article stringlengths 1.98k 169k | summary stringlengths 1.01k 4.15k | section_headings listlengths 2 38 | keywords listlengths 0 12 | year stringclasses 11
values | title stringlengths 30 189 |
|---|---|---|---|---|---|
Subcellular localization critically influences protein function , and cells control protein localization to regulate biological processes . We have developed and applied Dynamic Organellar Maps , a proteomic method that allows global mapping of protein translocation events . We initially used maps statically to generat... | The interior of every cell is highly organised , and contains many compartments , called organelles , that are dedicated to specific roles . Proteins are the tools and machines of the cell , and each organelle has its own set of proteins that it requires to work correctly . Each cell contains ten or more organelles , a... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods",
"Acknowledgments"
] | [
"computational",
"and",
"systems",
"biology",
"cell",
"biology",
"tools",
"and",
"resources"
] | 2016 | Global, quantitative and dynamic mapping of protein subcellular localization |
During their final maturation in the cytoplasm , pre-60S ribosomal particles are converted to translation-competent large ribosomal subunits . Here , we present the mechanism of peptidyltransferase centre ( PTC ) completion that explains how integration of the last ribosomal proteins is coupled to release of the nuclea... | Biological machines called ribosomes make proteins in the cells of our body . Mammalian cells build roughly 7 , 500 new ribosomes every minute , each one containing 80 proteins and four RNA molecules . Problems that prevent ribosomes from assembling correctly have been linked to cancers such as leukemia , and a class o... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2019 | Mechanism of completion of peptidyltransferase centre assembly in eukaryotes |
Variation in the risk and severity of many autoimmune diseases , malignancies and infections is strongly associated with polymorphisms at the HLA class I loci . These genetic associations provide a powerful opportunity for understanding the etiology of human disease . HLA class I associations are often interpreted in t... | When considering someone’s risk of disease , every person is different but some similarities can be found when looking across populations . Some people are more likely to develop a certain disease , while others are protected in some way . Part of this variation is explained by the individual’s genes , while their life... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"computational",
"and",
"systems",
"biology",
"immunology",
"and",
"inflammation"
] | 2020 | Identifying the immune interactions underlying HLA class I disease associations |
The Arabidopsis mutant wrky33 is highly susceptible to Botrytis cinerea . We identified >1680 Botrytis-induced WRKY33 binding sites associated with 1576 Arabidopsis genes . Transcriptional profiling defined 318 functional direct target genes at 14 hr post inoculation . Comparative analyses revealed that WRKY33 possesse... | Crop yields can be badly affected by diseases caused by some fungi and other microbes . One fungus called Botrytis cinerea is able to infect many different species of crop plants—including tomatoes and grapes—and can cause severe damage both before and after harvest . This fungus belongs to a group of microbes that kil... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"plant",
"biology"
] | 2015 | Negative regulation of ABA signaling by WRKY33 is critical for Arabidopsis immunity towards Botrytis cinerea 2100 |
Host–parasite interactions are often embedded within complex host communities and can be influenced by a variety of environmental factors , such as seasonal variations in climate or abiotic conditions in water and soil , which confounds our understanding of the main drivers of many multi-host pathogens . Here , we take... | Mycobacterium ulcerans is a slow-growing bacterium that causes a rare tropical disease in humans called Buruli ulcer . The infection affects the skin and underlying tissues , initially causing small painless lesions that can develop into large open sores or ulcers that are responsible for significant handicap in rural ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"ecology",
"epidemiology",
"and",
"global",
"health"
] | 2015 | Mycobacterium ulcerans dynamics in aquatic ecosystems are driven by a complex interplay of abiotic and biotic factors |
Serotonin's function in the brain is unclear . One challenge in testing the numerous hypotheses about serotonin's function has been observing the activity of identified serotonergic neurons in animals engaged in behavioral tasks . We recorded the activity of dorsal raphe neurons while mice experienced a task in which r... | Rewards and punishments can both encourage animals to change their immediate behavior and influence their mood over a longer term , particularly when given repeatedly . A region of the brain that increases its activity in response to rewards and punishments also contains many neurons that communicate with each other by... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2015 | Serotonergic neurons signal reward and punishment on multiple timescales |
CDK9 is the kinase subunit of positive transcription elongation factor b ( P-TEFb ) that enables RNA polymerase ( Pol ) II's transition from promoter-proximal pausing to productive elongation . Although considerable interest exists in CDK9 as a therapeutic target , little progress has been made due to lack of highly se... | Cancers are often caused by mutations in genes that allow cells to proliferate uncontrollably . One gene that is frequently mutated in many cancers encodes a protein called MYC . The activity of this gene is normally tightly controlled , but the mutations found in human cancer cells mean that this gene is constantly sw... | [
"Abstract",
"Introduction",
"Results",
"Discussion"
] | [
"chromosomes",
"and",
"gene",
"expression",
"biochemistry",
"and",
"chemical",
"biology"
] | 2015 | Compensatory induction of MYC expression by sustained CDK9 inhibition via a BRD4-dependent mechanism |
The nuclear pore complex ( NPC ) is the principal gateway between nucleus and cytoplasm that enables exchange of macromolecular cargo . Composed of multiple copies of ~30 different nucleoporins ( Nups ) , the NPC acts as a selective portal , interacting with factors which individually license passage of specific cargo ... | Transposons are genetic sequences , which , when active , can move around the genome and insert themselves into new locations . This can potentially disrupt the information required for cells to work properly: in reproductive organs , for example , transposon activity can lead to infertility . Many organisms therefore ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chromosomes",
"and",
"gene",
"expression",
"cell",
"biology"
] | 2021 | Channel nuclear pore complex subunits are required for transposon silencing in Drosophila |
Centrioles are cylindrical cell organelles with a ninefold symmetric peripheral microtubule array that is essential to template cilia and flagella . They are built around a central cartwheel assembly that is organized through homo-oligomerization of the centriolar protein SAS-6 , but whether SAS-6 self-assembly can dic... | Many cells have tiny hair-like structures called cilia on their surface that are important for communicating with other cells and for detecting changes in the cell’s surroundings . Some cilia also beat to move fluids across the cell surface—for example , to move mucus out of the lungs—or act as flagella that undergo ra... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2014 | Structure of the SAS-6 cartwheel hub from Leishmania major |
Deep sequencing analyses have shown that a large fraction of genomes is transcribed , but the significance of this transcription is much debated . Here , we characterize the phylogenetic turnover of poly-adenylated transcripts in a comprehensive sampling of taxa of the mouse ( genus Mus ) , spanning a phylogenetic dist... | Traditionally , the genome – the sum total of DNA within a cell – was thought to be divided into genes and ‘non-coding’ regions . Genes are copied , or “transcribed” , into molecules called RNA that perform essential tasks in the cell . The roles of the non-coding regions were often less clear , although it has since b... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"genetics",
"and",
"genomics"
] | 2016 | Fast turnover of genome transcription across evolutionary time exposes entire non-coding DNA to de novo gene emergence |
To better understand how organisms make decisions on the basis of temporally varying multi-sensory input , we identified computations made by Drosophila larvae responding to visual and optogenetically induced fictive olfactory stimuli . We modeled the larva's navigational decision to initiate turns as the output of a L... | Living organisms can sense cues from their surroundings and respond in appropriate ways . For example , animals will often move towards the smell of food or away from potential threats , such as predators . However , it is not fully understood how an animal's nervous system is set up to allow sensory information to con... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2015 | Computations underlying Drosophila photo-taxis, odor-taxis, and multi-sensory integration |
Despite their fundamental importance for body size regulation , the mechanisms that stop growth are poorly understood . In Drosophila melanogaster , growth ceases in response to a peak of the molting hormone ecdysone that coincides with a nutrition-dependent checkpoint , critical weight . Previous studies indicate that... | The development of many of an animal's traits and characteristics are sensitive to the conditions of its environment . The conditions experienced early on in life , in particular , can alter how an animal grows and develops . The availability of food during development , for example , affects the final body size of man... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology"
] | 2014 | Nutritional control of body size through FoxO-Ultraspiracle mediated ecdysone biosynthesis |
We use the myotendinous junction of Drosophila flight muscles to explore why many integrin associated proteins ( IAPs ) are needed and how their function is coordinated . These muscles revealed new functions for IAPs not required for viability: Focal Adhesion Kinase ( FAK ) , RSU1 , tensin and vinculin . Genetic intera... | Our body consists of many different types of cells that build our tissues and organs . To do so , cells need to be able to stick together . One family of proteins called integrins helps to keep cells connected . They sit across cell membranes and anchor cells to the networks of protein fibres outside cells that link an... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"cell",
"biology"
] | 2018 | Novel functions for integrin-associated proteins revealed by analysis of myofibril attachment in Drosophila |
Homotypic or entotic cell-in-cell invasion is an integrin-independent process observed in carcinoma cells exposed during conditions of low adhesion such as in exudates of malignant disease . Although active cell-in-cell invasion depends on RhoA and actin , the precise mechanism as well as the underlying actin structure... | Entosis is the invasion of one cell by another and can be observed in aggressive cancers . Although the invading cell is usually killed , the surviving cell is sometimes left with the wrong number of chromosomes . This suggests that entosis may help cancer to progress because cells with an abnormal number of chromosome... | [
"Abstract",
"Introduction",
"Results",
"and",
"discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology"
] | 2014 | G-protein-coupled receptor signaling and polarized actin dynamics drive cell-in-cell invasion |
MAF1 represses Pol III-mediated transcription by interfering with TFIIIB and Pol III . Herein , we found that MAF1 knockdown induced CDKN1A transcription and chromatin looping concurrently with Pol III recruitment . Simultaneous knockdown of MAF1 with Pol III or BRF1 ( subunit of TFIIIB ) diminished the activation and ... | An organism's genetic material is made of segments of DNA called genes , which contain instructions to make proteins . First , copies of the DNA are made using another molecule called ribonucleic acid ( RNA ) in a process known as transcription . Then the RNA is used as a template to make a protein . During transcripti... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"cell",
"biology"
] | 2015 | MAF1 represses CDKN1A through a Pol III-dependent mechanism |
Animal–animal recognition within , and across species , is essential for predator avoidance and social interactions . Despite its essential role in orchestrating responses to animal cues , basic principles of information processing by the vomeronasal system are still unknown . The medial amygdala ( MeA ) occupies a cen... | Many animals emit and detect chemicals known as pheromones to communicate with other members of their own species . Animals also rely on chemical signals from other species to warn them , for example , that a predator is nearby . Many of these chemical signals—which are present in sweat , tears , urine , and saliva—are... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2014 | Sex-specific processing of social cues in the medial amygdala |
Kainate receptors ( KARs ) are a subfamily of glutamate receptors mediating excitatory synaptic transmission and Neto proteins are recently identified auxiliary subunits for KARs . However , the roles of Neto proteins in the synaptic trafficking of KAR GluK1 are poorly understood . Here , using the hippocampal CA1 pyra... | Information is transmitted in the brain by cells called neurons . To communicate with neighboring cells , neurons release chemicals called neurotransmitters across a structure called a synapse that forms a junction between the cells . The neurotransmitters bind to receptors on the surface of the receiving neuron , and ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2015 | Neto auxiliary proteins control both the trafficking and biophysical properties of the kainate receptor GluK1 |
Coupling of endoplasmic reticulum ( ER ) stress to dimerisation-dependent activation of the UPR transducer IRE1 is incompletely understood . Whilst the luminal co-chaperone ERdj4 promotes a complex between the Hsp70 BiP and IRE1’s stress-sensing luminal domain ( IRE1LD ) that favours the latter’s monomeric inactive sta... | Cells produce many protein molecules . These are made of chains of building blocks called amino acids that then fold into three-dimensional shapes . Specialist proteins known as chaperones assist this folding process . For example , the chaperone BiP helps other proteins fold in a compartment within the cell called the... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology"
] | 2019 | Unstructured regions in IRE1α specify BiP-mediated destabilisation of the luminal domain dimer and repression of the UPR |
A significant body of research in cognitive neuroscience is aimed at understanding how object concepts are represented in the human brain . However , it remains unknown whether and where the visual and abstract conceptual features that define an object concept are integrated . We addressed this issue by comparing the n... | Our ability to interact with the world depends in large part on our understanding of objects . But objects that look similar , such as a hairdryer and a gun , may do different things , while objects that look different , such as tape and glue , may have similar roles . The fact that we can effortlessly distinguish betw... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2018 | Integrative and distinctive coding of visual and conceptual object features in the ventral visual stream |
Kinase inhibitors are effective cancer therapies , but tumors frequently develop resistance . Current strategies to circumvent resistance target the same or parallel pathways . We report here that targeting a completely different process , autophagy , can overcome multiple BRAF inhibitor resistance mechanisms in brain ... | Cancers of the brain and spine are the second most common kind of tumor in children , after cancers of the blood and bone marrow . Yet brain and spine tumors kill more children than any other cancer , in part because many become resistant to treatment . Like in other cancers , cells in brain and spine tumors often use ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology",
"cancer",
"biology"
] | 2017 | Autophagy inhibition overcomes multiple mechanisms of resistance to BRAF inhibition in brain tumors |
The segmentation gene network in insects can produce equivalent phenotypic outputs despite differences in upstream regulatory inputs between species . We investigate the mechanistic basis of this phenomenon through a systems-level analysis of the gap gene network in the scuttle fly Megaselia abdita ( Phoridae ) . It co... | Similar biological phenomena can result from different processes occurring in different organisms . For example , the early stages of how an insect develops from an egg can vary substantially between different species . Nonetheless , all insects have a body plan that develops in segments . The same outcome occurring as... | [
"Abstract",
"Introduction",
"Results",
"and",
"discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"evolutionary",
"biology"
] | 2015 | Quantitative system drift compensates for altered maternal inputs to the gap gene network of the scuttle fly Megaselia abdita |
Constraint-based modelling ( CBM ) is a powerful tool for the analysis of evolutionary trajectories . Evolution , especially evolution in the distant past , is not easily accessible to laboratory experimentation . Modelling can provide a window into evolutionary processes by allowing the examination of selective pressu... | Virtually all plants use energy from sunlight to convert carbon dioxide and water into oxygen and sugars via a process called photosynthesis . This process has many steps that each rely on different enzymes to drive specific chemical reactions . Most plants use a pathway of enzymes that is referred to as C3 photosynthe... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"plant",
"biology",
"computational",
"and",
"systems",
"biology"
] | 2019 | Evolution of C4 photosynthesis predicted by constraint-based modelling |
Stressful experiences potently activate kappa opioid receptors ( κORs ) . κORs in the ventral tegmental area regulate multiple aspects of dopaminergic and non-dopaminergic cell function . Here we show that at GABAergic synapses on rat VTA dopamine neurons , a single exposure to a brief cold-water swim stress induces pr... | People who are recovering from drug addiction are more vulnerable to cravings and relapse when under stress . This ability of stress to boost drug relapse can also be shown in animals previously exposed to addictive drugs . Rats can learn to press a lever to administer themselves a dose of cocaine and , during withdraw... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2017 | Constitutive activation of kappa opioid receptors at ventral tegmental area inhibitory synapses following acute stress |
The increase in activity of the two-pore potassium-leak channel Kcnk5b maintains allometric juvenile growth of adult zebrafish appendages . However , it remains unknown how this channel maintains allometric growth and how its bioelectric activity is regulated to scale these anatomical structures . We show the activatio... | Organs , limbs , fins and tails are made of multiple tissues whose growth is controlled by specific signals and genetic programmes . All these different cell populations must work together during development or regeneration to form a complete structure that is the right size in relation to the rest of the body . Growin... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology"
] | 2021 | A calcineurin-mediated scaling mechanism that controls a K+-leak channel to regulate morphogen and growth factor transcription |
Tumor-associated macrophage ( TAM ) significantly contributes to cancer progression . Human cancer is enhanced by PPARγ loss-of-function mutations , but inhibited by PPARγ agonists such as TZD diabetes drugs including rosiglitazone . However , it remains enigmatic whether and how macrophage contributes to PPARγ tumor-s... | The immune system can both contribute to cancer progression and restrain the growth of tumors . Some immune cells – called macrophages – create an inflammatory environment around a tumor , which can support the spread of the cancer cells . Independent observations and experiments have shown that a protein called PPARγ ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cancer",
"biology"
] | 2016 | Macrophage PPARγ inhibits Gpr132 to mediate the anti-tumor effects of rosiglitazone |
While axon fasciculation plays a key role in the development of neural networks , very little is known about its dynamics and the underlying biophysical mechanisms . In a model system composed of neurons grown ex vivo from explants of embryonic mouse olfactory epithelia , we observed that axons dynamically interact wit... | As an animal develops , neurons within the nervous system connect with one another to form complex networks . Each neuron has a long cable-like protrusion known as an axon that establishes connections with other neurons . The axon has a structure called the growth cone at its tip , which navigates toward its target in ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology"
] | 2017 | Axon tension regulates fasciculation/defasciculation through the control of axon shaft zippering |
HIV-1 assembles at the plasma membrane ( PM ) of infected cells . PM association of the main structural protein Gag depends on its myristoylated MA domain and PM PI ( 4 , 5 ) P2 . Using a novel chemical biology tool that allows rapidly tunable manipulation of PI ( 4 , 5 ) P2 levels in living cells , we show that deplet... | Viruses are parasites that must infect the living cell of a host in order to grow and replicate . To do so , the virus attaches to the host’s cell and transfers its genetic material to the inside . The virus then hijacks the cell and forces it to build proteins and more genetic material that will assemble into new copi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology",
"microbiology",
"and",
"infectious",
"disease"
] | 2017 | Synchronized HIV assembly by tunable PIP2 changes reveals PIP2 requirement for stable Gag anchoring |
Cell-based studies showed that several Mdm2-binding ribosomal proteins , upon overexpression , stabilize and activate p53 . In contrast , here we show in a mouse knockout study that Mdm2-binding ribosomal protein S27-like ( Rps27l ) , upon disruption , activates p53 . Germline inactivation of Rps27l triggers ribosomal ... | There are over a hundred different types of cancer that can affect humans; but , in general , all cancers are caused by mutations that cause cells to grow and divide abnormally . ‘Tumor suppressor genes’ are genes that normally protect a cell from genetic changes that can lead a cell towards becoming cancerous . About ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"cell",
"biology"
] | 2014 | Ribosomal protein S27-like is a physiological regulator of p53 that suppresses genomic instability and tumorigenesis |
The neural control of social behaviors in rodents requires the encoding of pheromonal cues by the vomeronasal system . Here we show that the typical preference of male mice for females is eliminated in mutants lacking oxytocin , a neuropeptide modulating social behaviors in many species . Ablation of the oxytocin recep... | Oxytocin is a hormone that promotes milk production , contractions during childbirth , and many social interactions in humans and other creatures . It has also been implicated in conditions like autism or schizophrenia , which show altered social interactions . Oxytocin is made and released by cells in the brain called... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2017 | Oxytocin signaling in the medial amygdala is required for sex discrimination of social cues |
Cholesterol is a major structural component of the plasma membrane ( PM ) . The majority of PM cholesterol forms complexes with other PM lipids , making it inaccessible for intracellular transport . Transition of PM cholesterol between accessible and inaccessible pools maintains cellular homeostasis , but how cells mon... | The human body contains trillions of cells . At the outer edge of each cell is the plasma membrane , which protects the cell from the external environment . This membrane is mostly made of fatty molecules known as lipids and about half of these lipids are specifically cholesterol . Human cells can either take up choles... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"cell",
"biology"
] | 2019 | Movement of accessible plasma membrane cholesterol by the GRAMD1 lipid transfer protein complex |
Long-term adult stem cells sustain tissue regeneration throughout the lifetime of an organism . They were hypothesized to originate from embryonic progenitor cells that acquire long-term self-renewal ability and multipotency at the end of organogenesis . The process through which this is achieved often remains unclear ... | Many tissues and organs in an adult’s body – including bone marrow , skin and intestines – contain a small number of cells called adult stem cells . These cells usually stay dormant within these tissues ( at a site called a ‘niche’ ) until they are required to repair damaged or lost cells . At this point , adult stem c... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"stem",
"cells",
"and",
"regenerative",
"medicine"
] | 2015 | Embryonic attenuated Wnt/β-catenin signaling defines niche location and long-term stem cell fate in hair follicle |
Protein kinases are potentially attractive therapeutic targets for neglected parasitic diseases , including African trypanosomiasis caused by the protozoan , Trypanosoma brucei . How to prioritize T . brucei kinases and quantify their intracellular engagement by small-molecule inhibitors remain unsolved problems . Here... | Human African trypanosomiasis—commonly known as sleeping sickness—is a debilitating and potentially fatal tropical disease that is widespread in sub-Saharan Africa . It is caused by the single-celled parasite Trypanosoma brucei , which is transmitted to humans by the bite of the tsetse fly . The infection takes its nam... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"cell",
"biology"
] | 2013 | Hypothemycin, a fungal natural product, identifies therapeutic targets in Trypanosoma brucei |
Using serial block-face scanning electron microscopy , we report on the internal 3D structures of the brown planthopper , Nilaparvata lugens ( Hemiptera: Delphacidae ) at nanometer resolution for the first time . Within the reconstructed organs and tissues , we found many novel and fascinating internal structures in th... | Since the 19th century , scientists have been investigating how the organs of insects are shaped and arranged . However , classic microscopy methods have struggled to image these small , delicate structures . Understanding how the organs of insects are configured could help to identify new methods for controlling pests... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology"
] | 2021 | Three-dimensional reconstruction of a whole insect reveals its phloem sap-sucking mechanism at nano-resolution |
How neurons become sensitive to the direction of visual motion represents a classic example of neural computation . Two alternative mechanisms have been discussed in the literature so far: preferred direction enhancement , by which responses are amplified when stimuli move along the preferred direction of the cell , an... | The brain extracts information from signals delivered from the eyes and other sensory organs in order to direct behavior . Understanding how the interactions and wiring of a multitude of individual nerve cells process and transmit this critical information to the brain is a fundamental goal in the field of neuroscience... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2016 | Complementary mechanisms create direction selectivity in the fly |
Proteasomes are essential for protein homeostasis in eukaryotes . To preserve cellular function , transcription of proteasome subunit genes is induced in response to proteasome dysfunction caused by pathogen attacks or proteasome inhibitor drugs . In Caenorhabditis elegans , this response requires SKN-1 , a transcripti... | Proteins perform many important roles in cells , but these molecules can become toxic if they are damaged or are no longer needed . A molecular machine called the proteasome destroys ‘unwanted’ proteins in animal and other eukaryotic cells . If the proteasome stops working properly , unwanted proteins start to accumula... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"cell",
"biology"
] | 2016 | Proteasome dysfunction triggers activation of SKN-1A/Nrf1 by the aspartic protease DDI-1 |
It was studied if early suPAR-guided anakinra treatment can prevent severe respiratory failure ( SRF ) of COVID-19 . A total of 130 patients with suPAR ≥6 ng/ml were assigned to subcutaneous anakinra 100 mg once daily for 10 days . Primary outcome was SRF incidence by day 14 defined as any respiratory ratio below 150 m... | People infected with the SARS-CoV-2 virus , which causes COVID-19 , can develop severe respiratory failure and require a ventilator to keep breathing , but this does not happen to every infected individual . Measuring a blood protein called suPAR ( soluble urokinase plasminogen activator receptor ) may help identify pa... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"immunology",
"and",
"inflammation"
] | 2021 | An open label trial of anakinra to prevent respiratory failure in COVID-19 |
Methanogenic archaea use a [NiFe]-hydrogenase , Frh , for oxidation/reduction of F420 , an important hydride carrier in the methanogenesis pathway from H2 and CO2 . Frh accounts for about 1% of the cytoplasmic protein and forms a huge complex consisting of FrhABG heterotrimers with each a [NiFe] center , four Fe-S clus... | Many microbes grow by producing methane gas from carbon dioxide and hydrogen gas , and enzymes known as hydrogenases play important roles in this metabolic process . The production of methane in these microbes depends on a nickel–iron hydrogenase called Frh adding electrons to a coenzyme called F420 . This hydrogenase ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"Methods"
] | [
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2013 | De novo modeling of the F420-reducing [NiFe]-hydrogenase from a methanogenic archaeon by cryo-electron microscopy |
Among coupled exchangers , CLCs uniquely catalyze the exchange of oppositely charged ions ( Cl– for H+ ) . Transport-cycle models to describe and explain this unusual mechanism have been proposed based on known CLC structures . While the proposed models harmonize with many experimental findings , gaps and inconsistenci... | Cells are shielded from harmful molecules and other threats by a thin , flexible layer called the membrane . However , this barrier also prevents chloride , sodium , protons and other ions from moving in or out of the cell . Channels and transporters are two types of membrane proteins that form passageways for these ch... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2020 | A CLC-ec1 mutant reveals global conformational change and suggests a unifying mechanism for the CLC Cl–/H+ transport cycle |
Stem cell properties change over time to match the changing growth and regeneration demands of tissues . We showed previously that adult forebrain stem cell function declines during aging because of increased expression of let-7 microRNAs , evolutionarily conserved heterochronic genes that reduce HMGA2 expression . Her... | Stem cells are found throughout the body , and play key roles in promoting tissue growth during fetal development , and in maintaining tissues in the adult . When stem cells divide , they can either give rise to more stem cells , or they can generate specialized cells required for tissue function . However , the proper... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"stem",
"cells",
"and",
"regenerative",
"medicine"
] | 2013 | A network of heterochronic genes including Imp1 regulates temporal changes in stem cell properties |
Many developmental processes break left–right ( LR ) symmetry with a consistent handedness . LR asymmetry emerges early in development , and in many species the primary determinant of this asymmetry has been linked to the cytoskeleton . However , the nature of the underlying chirally asymmetric cytoskeletal processes h... | Most living things have left and right sides that are not identical . A well-known example of this ‘left–right asymmetry’ is the position of the human heart within the human body . While the human heart is always on the left , in other situations it is possible for either the left side or the right side to be preferred... | [
"Abstract",
"Introduction",
"Results",
"and",
"discussion",
"Materials",
"and",
"methods"
] | [
"physics",
"of",
"living",
"systems"
] | 2014 | Active torque generation by the actomyosin cell cortex drives left–right symmetry breaking |
Although Rad51 is the key protein in homologous recombination ( HR ) , a major DNA double-strand break repair pathway , several auxiliary factors interact with Rad51 to promote productive HR . We present an interdisciplinary characterization of the interaction between Rad51 and Swi5-Sfr1 , a conserved auxiliary factor ... | The DNA within cells contains the instructions necessary for life and it must be carefully maintained . DNA is constantly being damaged by radiation and other factors so cells have evolved an arsenal of mechanisms that repair this damage . An enzyme called Rad51 drives one such DNA repair process known as homologous re... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chromosomes",
"and",
"gene",
"expression",
"biochemistry",
"and",
"chemical",
"biology"
] | 2020 | Cooperative interactions facilitate stimulation of Rad51 by the Swi5-Sfr1 auxiliary factor complex |
Munc13–1 acts as a master regulator of neurotransmitter release , mediating docking-priming of synaptic vesicles and diverse presynaptic plasticity processes . It is unclear how the functions of the multiple domains of Munc13–1 are coordinated . The crystal structure of a Munc13–1 fragment including its C1 , C2B and MU... | The human brain contains billions of cells called neurons that communicate with each other using molecules called neurotransmitters . An electrical signal in one neuron triggers the release of neurotransmitters from the cell , which then activate or inhibit electrical signals in neighboring neurons . Inside the cell , ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"structural",
"biology",
"and",
"molecular",
"biophysics",
"neuroscience"
] | 2017 | Mechanistic insights into neurotransmitter release and presynaptic plasticity from the crystal structure of Munc13-1 C1C2BMUN |
Recent epidemiological and laboratory-based studies suggest that the anti-diabetic drug metformin prevents cancer progression . How metformin diminishes tumor growth is not fully understood . In this study , we report that in human cancer cells , metformin inhibits mitochondrial complex I ( NADH dehydrogenase ) activit... | Metformin is widely used to reduce the high blood sugar levels caused by diabetes . Recently , several studies have suggested that patients taking metformin who also develop cancer have tumors that grow more slowly than average . As clinical trials have already started to investigate if metformin is an effective anti-c... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cancer",
"biology"
] | 2014 | Metformin inhibits mitochondrial complex I of cancer cells to reduce tumorigenesis |
Neuropeptides released from dense-core vesicles ( DCVs ) modulate neuronal activity , but the molecules driving DCV secretion in mammalian neurons are largely unknown . We studied the role of calcium-activator protein for secretion ( CAPS ) proteins in neuronal DCV secretion at single vesicle resolution . Endogenous CA... | Our ability to think and act is due to the remarkable capacity of the brain to process complex information . This involves nerve cells ( or neurons ) communicating with each other in a rapid and precise manner by releasing synaptic vesicles containing neurotransmitters across the gaps—called synapses—between neurons . ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2015 | CAPS-1 promotes fusion competence of stationary dense-core vesicles in presynaptic terminals of mammalian neurons |
Innate immune cellular effectors are actively consumed during systemic inflammation , but the systemic traffic and the mechanisms that support their replenishment remain unknown . Here , we demonstrate that acute systemic inflammation induces the emergent activation of a previously unrecognized system of rapid migratio... | When the body becomes infected with disease-causing pathogens , such as bacteria , the immune system activates various mechanisms which help to fight off the infection . One of the immune system’s first lines of defense is to launch an inflammatory response that helps remove the pathogen and recruit other immune cells ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"immunology",
"and",
"inflammation"
] | 2021 | Inflammation rapidly recruits mammalian GMP and MDP from bone marrow into regional lymphatics |
The thermodynamics of protein folding in bulk solution have been thoroughly investigated for decades . By contrast , measurements of protein substrate stability inside the GroEL/ES chaperonin cage have not been reported . Such measurements require stable encapsulation , that is no escape of the substrate into bulk solu... | All cells contain molecules known as proteins that perform many essential roles . Proteins are made of chains of building blocks called amino acids that fold to form the proteins’ three-dimensional structures . Many proteins fold spontaneously into their well-defined and correct structures . However , some proteins fol... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2020 | Measuring protein stability in the GroEL chaperonin cage reveals massive destabilization |
Although numerous extracellular phosphoproteins have been identified , the protein kinases within the secretory pathway have only recently been discovered , and their regulation is virtually unexplored . Fam20C is the physiological Golgi casein kinase , which phosphorylates many secreted proteins and is critical for pr... | Some proteins must be modified in order to work effectively . One common modification is to add a phosphate group to the protein , which is performed by enzymes called protein kinases . Although most of the protein kinases work on proteins inside the cell , it was discovered recently that a small group of kinases work ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology"
] | 2015 | A secretory kinase complex regulates extracellular protein phosphorylation |
Bone morphogenetic protein ( BMP ) signaling has emerged as an important regulator of sensory neuron development . Using a three-generation forward genetic screen in mice we have identified Megf8 as a novel modifier of BMP4 signaling in trigeminal ganglion ( TG ) neurons . Loss of Megf8 disrupts axon guidance in the pe... | The peripheral nervous system relays information between the brain and spinal cord ( the central nervous system ) and the rest of the body . During development , neurons of the peripheral nervous system must extend processes ( axons ) long distances to reach the cells that they will eventually form connections with . S... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"neuroscience"
] | 2013 | MEGF8 is a modifier of BMP signaling in trigeminal sensory neurons |
Many organisms , including species from all kingdoms of life , can survive desiccation by entering a state with no detectable metabolism . To survive , C . elegans dauer larvae and stationary phase S . cerevisiae require elevated amounts of the disaccharide trehalose . We found that dauer larvae and stationary phase ye... | Many organisms can survive losing all the water from their body in periods of severe drought by suspending their life . This ability is called anhydrobiosis ( from the Greek for ‘life without water’ ) . When the desiccated organisms encounter water again , they resume life as normal . Two organisms commonly used in res... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"cell",
"biology"
] | 2016 | The glyoxylate shunt is essential for desiccation tolerance in C. elegans and budding yeast |
The Maternal Embryonic Leucine Zipper Kinase ( MELK ) has been reported to be a genetic dependency in several cancer types . MELK RNAi and small-molecule inhibitors of MELK block the proliferation of various cancer cell lines , and MELK knockdown has been described as particularly effective against the highly-aggressiv... | Like a person who is dependent on coffee to be productive , cancer cells are dependent on the products of certain genes in order to dominate their environment and grow . Cancer cells will stop growing and die when the activity of these gene products is blocked . These genes are known as cancer dependencies or “addictio... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"short",
"report",
"cancer",
"biology"
] | 2017 | CRISPR/Cas9 mutagenesis invalidates a putative cancer dependency targeted in on-going clinical trials |
The eukaryotic cell membrane is connected to a dense actin rich cortex . We present FCS and STED experiments showing that dense membrane bound actin networks have severe influence on lipid phase separation . A minimal actin cortex was bound to a supported lipid bilayer via biotinylated lipid streptavidin complexes ( pi... | All cells are surrounded by a lipid membrane that protects the cell , controls the movement of molecules into and out of the cell , and passes messages about environmental conditions to the cell . This membrane is made of two layers of molecules called lipids , with various proteins embedded in it . There are many diff... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2014 | A lipid bound actin meshwork organizes liquid phase separation in model membranes |
The cellular messenger cAMP regulates multiple cellular functions , including signaling in cilia and flagella . The cAMP dynamics in these subcellular compartments are ill-defined . We introduce a novel FRET-based cAMP biosensor with nanomolar sensitivity that is out of reach for other sensors . To measure cAMP dynamic... | Cells can change the way they grow , move or develop in response to information from their environment . This information is first detected at the surface of the cell and then the information is relayed around the interior of the cell by signaling molecules known as “second messengers” . A molecule called cAMP is a wel... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"cell",
"biology",
"tools",
"and",
"resources"
] | 2016 | A novel biosensor to study cAMP dynamics in cilia and flagella |
Decision bias is traditionally conceptualized as an internal reference against which sensory evidence is compared . Instead , we show that individuals implement decision bias by shifting the rate of sensory evidence accumulation toward a decision bound . Participants performed a target detection task while we recorded ... | How do you decide whether to buy a new car ? One factor to consider is how well the economy is doing . During an economic boom , you might happily commit to buying a new vehicle that goes on sale , but prefer to sit on your savings during a financial crisis , despite how good the offer may be . Adjusting how you make d... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2019 | Humans strategically shift decision bias by flexibly adjusting sensory evidence accumulation |
Sedimentary rocks host a vast reservoir of organic carbon , such as 2-methylhopane biomarkers , whose evolutionary significance we poorly understand . Our ability to interpret this molecular fossil record is constrained by ignorance of the function of their molecular antecedents . To gain insight into the meaning of 2-... | The cell membrane that separates the inside of a cell from its outside environment is not a fixed structure . A cell can change the amount and type of different molecules in its membrane , which can alter the rigidity and permeability of the membrane and allow the cell to adapt to changing conditions . The cell membran... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"evolutionary",
"biology",
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2015 | Methylation at the C-2 position of hopanoids increases rigidity in native bacterial membranes |
The collapse of iconic , keystone populations of sockeye ( Oncorhynchus nerka ) and Chinook ( Oncorhynchus tshawytscha ) salmon in the Northeast Pacific is of great concern . It is thought that infectious disease may contribute to declines , but little is known about viruses endemic to Pacific salmon . Metatranscriptom... | Keystone species are animals and plants that play a pivotal role in supporting the ecosystems they live in , making their conservation a high priority . Chinook and sockeye salmon are two such species . These fish play a central role in the coastal ecosystems of the Northeast Pacific , where they have supported Indigen... | [
"Abstract",
"Introduction",
"Results",
"and",
"discussion",
"Materials",
"and",
"methods"
] | [
"ecology",
"short",
"report",
"microbiology",
"and",
"infectious",
"disease"
] | 2019 | Endangered wild salmon infected by newly discovered viruses |
The role of the cellular microenvironment in enabling metazoan tissue genesis remains obscure . Ctenophora has recently emerged as one of the earliest-branching extant animal phyla , providing a unique opportunity to explore the evolutionary role of the cellular microenvironment in tissue genesis . Here , we characteri... | The emergence of the diversity of multicellular animals involved cells joining together to form tissues and organs . The ‘glue’ that enabled the cells to work together is made of rope-like molecules called collagen , which assemble into scaffolds . These smart scaffolds tether proteins forming basement membranes that c... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"evolutionary",
"biology"
] | 2017 | Collagen IV and basement membrane at the evolutionary dawn of metazoan tissues |
Ubiquitylation ( ubi ) by the E3-ligases Mindbomb1 ( Mib1 ) and Neuralized ( Neur ) is required for activation of the DSL ligands Delta ( Dl ) and Serrate ( Ser ) to activate Notch signalling . These ligases transfer ubiquitin to lysines of the ligands' intracellular domains ( ICDs ) , which sends them into an Epsin-de... | Cells use chemical signals to communicate , setting off chains of reactions known as signalling pathways . One key signalling pathway , thought to be required for the development of all animals , is called Notch . In fruit flies , signal proteins known as Delta and Serrate activate the Notch pathway by binding to recep... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology"
] | 2017 | Ubiquitylation-independent activation of Notch signalling by Delta |
A parental cancer diagnosis is psychologically straining for the whole family . We investigated whether a parental cancer diagnosis is associated with a higher-than-expected risk of injury among children by using a Swedish nationwide register-based cohort study . Compared to children without parental cancer , children ... | A diagnosis of cancer can be devastating for both a person and his or her family . Over the past 40 years , the number of individuals in Sweden diagnosed with cancer has more than doubled leaving growing numbers of families coping with the aftermath . Many individuals diagnosed with cancer have young children . Parents... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"epidemiology",
"and",
"global",
"health"
] | 2015 | Childhood injury after a parental cancer diagnosis |
Proteasome inhibition elicits an evolutionarily conserved response wherein proteasome subunit mRNAs are upregulated , resulting in recovery ( i . e . , ‘bounce-back’ ) of proteasome activity . We previously demonstrated that the transcription factor Nrf1/NFE2L1 mediates this homeostatic response in mammalian cells . We... | Cells exposed to high temperatures , infections and other forms of stress often produce oxygen ions and peroxide molecules that can cause damage to proteins and DNA . Cells therefore rely on molecular machines called proteasomes to eliminate damaged proteins , before they cause too much harm . Two related transcription... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology"
] | 2014 | p97-dependent retrotranslocation and proteolytic processing govern formation of active Nrf1 upon proteasome inhibition |
The circuit mechanisms behind shared neural variability ( noise correlation ) and its dependence on neural state are poorly understood . Visual attention is well-suited to constrain cortical models of response variability because attention both increases firing rates and their stimulus sensitivity , as well as decrease... | The world around us is complex and our brains need to navigate this complexity . We must focus on relevant inputs from our senses – such as the bus we need to catch – while ignoring distractions – such as the eye-catching displays in the shop windows we pass on the same street . Selective attention is a tool that enabl... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods",
"and",
"materials"
] | [
"neuroscience"
] | 2017 | Attentional modulation of neuronal variability in circuit models of cortex |
Fusion of mitochondrial outer membranes is crucial for proper organelle function and involves large GTPases called mitofusins . The discrete steps that allow mitochondria to attach to one another and merge their outer membranes are unknown . By combining an in vitro mitochondrial fusion assay with electron cryo-tomogra... | Yeast and other eukaryotic cells contain distinct compartments that have specific roles . For example , compartments called mitochondria – which are surrounded by two layers of membrane – provide the energy needed for many cell processes . The organization of the network of mitochondria in a cell has a large effect on ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology",
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2016 | A mitofusin-dependent docking ring complex triggers mitochondrial fusion in vitro |
The budding yeast centromere contains Cse4 , a specialized histone H3 variant . Fluorescence pulse-chase analysis of an internally tagged Cse4 reveals that it is replaced with newly synthesized molecules in S phase , remaining stably associated with centromeres thereafter . In contrast , C-terminally-tagged Cse4 is fun... | When cells multiply , it is essential for each new cell to get a copy of the organism's genetic blueprint . If an error occurs during cell division , and one of the daughter cells ends up with too many or too few copies of a chromosome , the cell can die or malfunction . Errors during cell division can , for example , ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chromosomes",
"and",
"gene",
"expression",
"cell",
"biology"
] | 2014 | Imaging the fate of histone Cse4 reveals de novo replacement in S phase and subsequent stable residence at centromeres |
The tuberculosis ( TB ) epidemic is fueled by a parallel Human Immunodeficiency Virus ( HIV ) epidemic , but it remains unclear to what extent the HIV epidemic has been a driver for drug resistance in Mycobacterium tuberculosis ( Mtb ) . Here we assess the impact of HIV co-infection on the emergence of resistance and t... | Tuberculosis is an infectious disease caused by a bacterium called Mycobacterium tuberculosis that causes more deaths worldwide than any other infection . Individuals who are infected with the Human Immunodeficiency Virus ( HIV ) , which weakens the immune system , are particularly vulnerable to tuberculosis . However ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"microbiology",
"and",
"infectious",
"disease"
] | 2016 | Impact of HIV co-infection on the evolution and transmission of multidrug-resistant tuberculosis |
There is growing recognition that co-morbidity and co-occurrence of disease traits are often determined by shared genetic and molecular mechanisms . In most cases , however , the specific mechanisms that lead to such trait–trait relationships are yet unknown . Here we present an analysis of a broad spectrum of behavior... | Many individuals who have diabetes also have other diseases that affect the heart and blood vessels . It is not uncommon for human diseases to occur together like this; and understanding the relationships between diseases and other traits can make it easier to diagnose conditions . Furthermore , it can also help resear... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"computational",
"and",
"systems",
"biology"
] | 2015 | Linking traits based on their shared molecular mechanisms |
Hebbian plasticity is thought to require glutamate signalling . We show this is not the case for hippocampal presynaptic long-term potentiation ( LTPpre ) , which is expressed as an increase in transmitter release probability ( Pr ) . We find that LTPpre can be induced by pairing pre- and postsynaptic spiking in the ab... | Neurons communicate with one another at junctions called synapses . One neuron at the synapse releases a chemical substance called a neurotransmitter , which binds to and activates the other neuron . The release of neurotransmitter thus enables the electrical activity of one cell to influence the electrical activity of... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2017 | Glutamate is required for depression but not potentiation of long-term presynaptic function |
It is well established that inducible transcription is essential for the consolidation of salient experiences into long-term memory . However , whether inducible transcription relays information about the identity and affective attributes of the experience being encoded , has not been explored . To this end , we analyz... | Can we tell what important event a mouse – or even a person – has recently experienced ? The current experience of an individual can be inferred from brain imaging experiments . However , along with changing brain activity , such an experience also switches on gene activity throughout the brain . This enables neurons t... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2018 | Salient experiences are represented by unique transcriptional signatures in the mouse brain |
During development , proliferation must be tightly controlled for organs to reach their appropriate size . While the Hippo signaling pathway plays a major role in organ growth control , how it senses and responds to increased cell density is still unclear . In this study , we use the zebrafish lateral line primordium (... | How do organs and tissues know when to stop growing ? A cell communication pathway known as Hippo signaling plays a central role as it can tell cells to stop dividing . It is activated when cells in developing tissues come into contact with each other and causes a protein called Yap1 to be modified , which prevents it ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology"
] | 2015 | Amotl2a interacts with the Hippo effector Yap1 and the Wnt/β-catenin effector Lef1 to control tissue size in zebrafish |
The knirps ( kni ) locus encodes transcription factors required for induction of the L2 wing vein in Drosophila . Here , we employ diverse CRISPR/Cas9 genome editing tools to generate a series of targeted lesions within the endogenous cis-regulatory module ( CRM ) required for kni expression in the L2 vein primordium .... | Gregor Mendel was an Austrian monk and botanist whose work with pea plants in the 19th century founded the field of genetics . Though he was not aware of genes at the time , Mendel essentially worked out that pea plants had two copies of each gene , and that each copy had a 50% chance of being passed on to any one offs... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"tools",
"and",
"resources",
"genetics",
"and",
"genomics"
] | 2017 | CRISPR/Cas9 and active genetics-based trans-species replacement of the endogenous Drosophila kni-L2 CRM reveals unexpected complexity |
The entorhinal cortex ( EC ) is the primary site of interactions between the neocortex and hippocampus . Studies in rodents and nonhuman primates suggest that EC can be divided into subregions that connect differentially with perirhinal cortex ( PRC ) vs parahippocampal cortex ( PHC ) and with hippocampal subfields alo... | In the early 1950s , an American named Henry Molaison underwent an experimental type of brain surgery to treat his severe epilepsy . The surgeon removed a region of the brain known as the temporal lobe from both sides of his brain . After the surgery , Molaison's epilepsy was greatly improved , but he was also left wit... | [
"Abstract",
"Introduction",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2015 | Functional subregions of the human entorhinal cortex |
Strict L-chiral rejection through Gly-cisPro motif during chiral proofreading underlies the inability of D-aminoacyl-tRNA deacylase ( DTD ) to discriminate between D-amino acids and achiral glycine . The consequent Gly-tRNAGly ‘misediting paradox’ is resolved by EF-Tu in the cell . Here , we show that DTD’s active site... | Proteins are made up of many different building blocks called amino acids , which are linked together in chains . The exact order of amino acids in a protein chain is important for the protein to work properly . When a cell makes proteins , molecules known as transfer ribonucleic acids ( or tRNAs for short ) bind to sp... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2017 | Role of D-aminoacyl-tRNA deacylase beyond chiral proofreading as a cellular defense against glycine mischarging by AlaRS |
GPCRs are increasingly recognized to initiate signaling via heterotrimeric G proteins as they move through the endocytic network , but little is known about how relevant G protein effectors are localized . Here we report selective trafficking of adenylyl cyclase type 9 ( AC9 ) from the plasma membrane to endosomes whil... | Cells sense changes in their chemical environment using proteins called receptors . These proteins often sit on the cell surface , detecting molecules outside the cell and relaying messages across the membrane to the cell interior . The largest family of receptors is formed of ‘G protein-coupled receptors’ ( or GPCRs f... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology"
] | 2020 | G protein-regulated endocytic trafficking of adenylyl cyclase type 9 |
Segmentation and tracking of cells in long-term time-lapse experiments has emerged as a powerful method to understand how tissue shape changes emerge from the complex choreography of constituent cells . However , methods to store and interrogate the large datasets produced by these experiments are not widely available ... | Cells interact , divide , rearrange and change shape to build an organ during development . Modern microscopy and computer technology can follow each individual cell of an entire organ in a living organism . However , to understand how the complex choreography of cells leads to well-shaped organs , researchers need too... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"computational",
"and",
"systems",
"biology",
"cell",
"biology",
"tools",
"and",
"resources"
] | 2016 | TissueMiner: A multiscale analysis toolkit to quantify how cellular processes create tissue dynamics |
Phenotypic screens allow the identification of small molecules with promising anticancer activity , but the difficulty in characterizing the mechanism of action of these compounds in human cells often undermines their value as drug leads . Here , we used a loss-of-function genetic screen in human haploid KBM7 cells to ... | Many of the medications that are available to treat cancer are either collected from natural sources or inspired by molecules existing in nature . While it is often challenging to understand how these natural compounds selectively kill cancer cells , characterizing these mechanisms is essential if researchers are to de... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology",
"cancer",
"biology"
] | 2016 | The anticancer natural product ophiobolin A induces cytotoxicity by covalent modification of phosphatidylethanolamine |
Two classes of riboswitches related to the ykkC guanidine-I riboswitch bind phosphoribosyl pyrophosphate ( PRPP ) and guanosine tetraphosphate ( ppGpp ) . Here we report the co-crystal structure of the PRPP aptamer and its ligand . We also report the structure of the G96A point mutant that prefers ppGpp over PRPP with ... | DNA’s iconic double helix has made it possibly the most widely recognized biological molecule . The closely related RNA , however , is less well known but just as vital . In contrast with DNA’s typical rigid structure , RNA is more flexible and can fold into a wide range of shapes; this allows RNA molecules to have man... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2018 | Structures of two aptamers with differing ligand specificity reveal ruggedness in the functional landscape of RNA |
During the development , tight regulation of the expansion of neural progenitor cells ( NPCs ) and their differentiation into neurons is crucial for normal cortical formation and function . In this study , we demonstrate that microRNA ( miR ) -128 regulates the proliferation and differentiation of NPCs by repressing pe... | The neurons that transmit information around the brain develop from cells called neural progenitor cells . These cells can either divide to form more progenitor cells or to become specific types of neurons . If these carefully regulated processes go wrong – for example , if progenitors fail to stop dividing in order to... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology",
"neuroscience"
] | 2016 | MiRNA-128 regulates the proliferation and neurogenesis of neural precursors by targeting PCM1 in the developing cortex |
Studies of the genetic basis and evolution of complex social behavior emphasize either conserved or novel genes . To begin to reconcile these perspectives , we studied how the evolutionary conservation of genes associated with social behavior depends on regulatory context , and whether genes associated with social beha... | Animal species vary widely in their degree of social behavior . Some species live solitarily , and others , such as ants and humans , form large societies . Many researchers have tried to understand the genetic changes underlying the evolution of social behavior . Some researchers suggest that it involves recycling exi... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"evolutionary",
"biology"
] | 2015 | Genes associated with ant social behavior show distinct transcriptional and evolutionary patterns |
Aging stem cells lose the capacity to properly respond to injury and regenerate their residing tissues . Here , we utilized the ability of Drosophila melanogaster germline stem cells ( GSCs ) to survive exposure to low doses of ionizing radiation ( IR ) as a model of adult stem cell injury and identified a regeneration... | Stem cells are unspecialized cells that have the unique ability to replace dead cells and repair damaged tissues . To give rise to new cells , stem cells need to divide . This process , known as the cell cycle , includes several stages and is regulated by many different genes . For example , in many organisms , a gene ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"stem",
"cells",
"and",
"regenerative",
"medicine",
"cell",
"biology"
] | 2017 | Loss of foxo rescues stem cell aging in Drosophila germ line |
Persistent reservoirs remain the major obstacles to achieve an HIV-1 cure . Prolonged early antiretroviral therapy ( ART ) may reduce the extent of reservoirs and allow for virological control after ART discontinuation . We compared HIV-1 reservoirs in a cross-sectional study using polymerase chain reaction-based techn... | Many people with HIV infections are able to live relatively normal lives thanks to major advances in drug therapies . A cure , however , remains elusive . One reason for this is that the virus can hide in certain types of human cells , where it is protected from the immune system and the effects of “antiretroviral” dru... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"microbiology",
"and",
"infectious",
"disease"
] | 2015 | Impact of a decade of successful antiretroviral therapy initiated at HIV-1 seroconversion on blood and rectal reservoirs |
Endogenous retroviral sequences provide a molecular fossil record of ancient infections whose analysis might illuminate mechanisms of viral extinction . A close relative of gammaretroviruses , HERV-T , circulated in primates for ~25 million years ( MY ) before apparent extinction within the past ~8 MY . Construction of... | Over millions of years , viruses and the animals that they infect have been locked in a battle for survival , where each has needed to evolve ways to counteract the effects of the other . While the evolution of ancient animals can be studied by looking at the fossilized remains of their extinct relatives , studying how... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"evolutionary",
"biology",
"microbiology",
"and",
"infectious",
"disease"
] | 2017 | Co-option of an endogenous retrovirus envelope for host defense in hominid ancestors |
Huntington disease ( HD ) is a neurological disorder caused by polyglutamine expansions in mutated Huntingtin ( mHtt ) proteins , rendering them prone to form inclusion bodies ( IB ) . We report that in yeast , such IB formation is a factor-dependent process subjected to age-related decline . A genome-wide , high-conte... | Huntington’s disease is a neurological disease that is caused by mutations in the gene that encodes a protein called Htt . Individuals with this mutation gradually lose neurons as they age , resulting in declines in muscle coordination and mental abilities . The mutant Htt proteins tend to form clumps inside cells , bu... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"short",
"report",
"cell",
"biology"
] | 2016 | Spatial sequestration and detoxification of Huntingtin by the ribosome quality control complex |
Double-stranded DNA ( dsDNA ) binding and cleavage by Cas9 is a hallmark of type II CRISPR-Cas bacterial adaptive immunity . All known Cas9 enzymes are thought to recognize DNA exclusively as a natural substrate , providing protection against DNA phage and plasmids . Here , we show that Cas9 enzymes from both subtypes ... | Similar to humans , bacteria use an immune system known as the CRISPR-Cas system to protect themselves against invading pathogens such as viruses . CRISPRs are specialized stretches of DNA that guide Cas9 to the right location , while Cas9 proteins act like scissors that can cut foreign DNA . When a virus infects a bac... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology"
] | 2018 | RNA-dependent RNA targeting by CRISPR-Cas9 |
Recent technological advances now allow for the collection of vast data sets detailing the intricate neural connectivity patterns of various organisms . Oh et al . ( 2014 ) recently published the most complete description of the mouse mesoscale connectome acquired to date . Here we give an in-depth characterization of ... | Within the brain , neurons organize themselves into extensive networks . The physical connections between neurons determine which groups of neurons are able to communicate with one another . Recently , researchers mapped out the neural circuits within the entire brain of an adult mouse . The resulting wiring diagram , ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"computational",
"and",
"systems",
"biology",
"neuroscience"
] | 2016 | A simple generative model of the mouse mesoscale connectome |
Hemodynamic forces regulate vascular functions . Disturbed flow ( DF ) occurs in arterial bifurcations and curvatures , activates endothelial cells ( ECs ) , and results in vascular inflammation and ultimately atherosclerosis . However , how DF alters EC metabolism , and whether resulting metabolic changes induce EC ac... | Atherosclerosis is the build-up of fatty material inside the blood vessels , and is one of the leading causes of heart disease and stroke . The blood vessels affected are typically inflamed for many years before the condition develops , and the condition often occurs at sites where blood vessels branch or turn . The ce... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology"
] | 2017 | HIF-1α is required for disturbed flow-induced metabolic reprogramming in human and porcine vascular endothelium |
The ability to recognize small organic molecules and chemical modifications of host molecules is an essential capability of the adaptive immune system , which until now was thought to be mediated mainly by B cell antigen receptors . Here we report that small molecules , such as cyanine 3 ( Cy3 ) , a synthetic fluoresce... | Our immune system responds to invading microbes—such as viruses and bacteria—and tries to eliminate the threat via two distinct but connected systems: the innate and the adaptive immune systems . Cells of the innate immune system patrol our organs and tissues in an effort to identify and eliminate threats with a quick ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"immunology",
"and",
"inflammation"
] | 2014 | Gamma delta T cells recognize haptens and mount a hapten-specific response |
Phagocytic immune cells kill pathogens in the phagolysosomal compartment with a cocktail of antimicrobial agents . Chief among them are reactive species produced in the so-called oxidative burst . Here , we show that bacteria exposed to a neutrophil-like cell line experience a rapid and massive oxidation of cytosolic t... | A group of cells of the immune system defends the body against infections by wrapping themselves around bacteria , and effectively ‘eating’ them . During this process , called phagocytosis , the cell also douses the bacterium with a deadly cocktail of chemicals , including an antiseptic – hydrogen peroxide – and bleach... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"microbiology",
"and",
"infectious",
"disease"
] | 2018 | Neutrophil-generated HOCl leads to non-specific thiol oxidation in phagocytized bacteria |
Misfolded proteins in the lumen of the endoplasmic reticulum ( ER ) are retrotranslocated into the cytosol and polyubiquitinated before being degraded by the proteasome . The multi-spanning ubiquitin ligase Hrd1 forms the retrotranslocation channel and associates with three other membrane proteins ( Hrd3 , Usa1 , Der1 ... | Just like factories make mistakes when producing products , cells make mistakes when producing proteins . In cells , a compartment called the endoplasmic reticulum is where about one third of all proteins are produced , and where new proteins undergo quality control . Damaged or misfolded proteins are removed by a proc... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"biochemistry",
"and",
"chemical",
"biology",
"cell",
"biology"
] | 2019 | Cycles of autoubiquitination and deubiquitination regulate the ERAD ubiquitin ligase Hrd1 |
Tumor suppressor p53 is the most frequently mutated gene in tumors . Many mutant p53 ( mutp53 ) proteins promote tumorigenesis through the gain-of-function ( GOF ) mechanism . Mutp53 proteins often accumulate to high levels in tumors , which is critical for mutp53 GOF . Its underlying mechanism is poorly understood . H... | Cancer can develop if cells in the body acquire mutations that enable them to grow rapidly to form a mass called a tumor . The gene that encodes a protein called p53 is the most commonly mutated gene in human tumors . Most of these mutations result in the production of mutant p53 proteins that are similar in size to th... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"cell",
"biology",
"cancer",
"biology"
] | 2015 | BAG2 promotes tumorigenesis through enhancing mutant p53 protein levels and function |
Formation of the three embryonic germ layers is a fundamental developmental process that initiates differentiation . How the zebrafish pluripotency factor Pou5f3 ( homologous to mammalian Oct4 ) drives lineage commitment is unclear . Here , we introduce fluorescence lifetime imaging microscopy and fluorescence correlat... | As an animal embryo develops , cells divide and establish three distinct layers called the ectoderm , mesoderm and endoderm . Proteins called transcription factors control this process by regulating the activity of particular genes . Two or more transcription factors may interact to modulate each other’s activity . Zeb... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"developmental",
"biology",
"structural",
"biology",
"and",
"molecular",
"biophysics"
] | 2016 | Quantitative imaging reveals real-time Pou5f3–Nanog complexes driving dorsoventral mesendoderm patterning in zebrafish |
A fundamental question of biology is what determines organ size . Despite demonstrations that factors within organs determine their sizes , intrinsic size control mechanisms remain elusive . Here we show that Drosophila wing size is regulated by JNK signaling during development . JNK is active in a stripe along the cen... | A key challenge in biology is to understand what determines size . As an animal grows , signals are produced that control the size of its organs . Many of the signaling pathways that regulate size during normal animal development also contribute to the formation of tumors . Therefore , it is important to find out exact... | [
"Abstract",
"Introduction",
"Results",
"and",
"discussion",
"Materials",
"and",
"methods"
] | [
"developmental",
"biology"
] | 2016 | Localized JNK signaling regulates organ size during development |
Pain is the most prominent symptom of osteoarthritis ( OA ) progression . However , the relationship between pain and OA progression remains largely unknown . Here we report osteoblast secret prostaglandin E2 ( PGE2 ) during aberrant subchondral bone remodeling induces pain and OA progression in mice . Specific deletio... | Many people will suffer from joint pain as they age , particularly in their knees . The most common cause of this pain is osteoarthritis , a disease that affects a tissue inside joints called cartilage . In a healthy knee , cartilage acts as a shock absorber . It cushions the ends of bones and enables them to move smoo... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"medicine",
"neuroscience"
] | 2020 | Aberrant subchondral osteoblastic metabolism modifies NaV1.8 for osteoarthritis |
PRDM9 binding localizes almost all meiotic recombination sites in humans and mice . However , most PRDM9-bound loci do not become recombination hotspots . To explore factors that affect binding and subsequent recombination outcomes , we mapped human PRDM9 binding sites in a transfected human cell line and measured PRDM... | Human cells have two copies of each chromosome: one from the mother , and one from the father . When cells divide to form sex cells , such as sperm or egg cells , the maternal and paternal chromosomes line up next to each other and swap some of their DNA . This process , known as genetic recombination , creates differe... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chromosomes",
"and",
"gene",
"expression",
"genetics",
"and",
"genomics"
] | 2017 | A map of human PRDM9 binding provides evidence for novel behaviors of PRDM9 and other zinc-finger proteins in meiosis |
Vulnerability to noise-induced tinnitus is associated with increased spontaneous firing rate in dorsal cochlear nucleus principal neurons , fusiform cells . This hyperactivity is caused , at least in part , by decreased Kv7 . 2/3 ( KCNQ2/3 ) potassium currents . However , the biophysical mechanisms underlying resilienc... | Tinnitus is often described as ‘ringing in the ears’ . Though the phantom sounds , which are heard in the absence of any genuine external noise , can take a variety of forms including buzzing , whistling , or humming . While training the brain to pay less attention to these internally generated sounds can sometimes red... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2015 | Noise-induced plasticity of KCNQ2/3 and HCN channels underlies vulnerability and resilience to tinnitus |
Evolutionary adaptation is a major source of antibiotic resistance in bacterial pathogens . Evolution-informed therapy aims to constrain resistance by accounting for bacterial evolvability . Sequential treatments with antibiotics that target different bacterial processes were previously shown to limit adaptation throug... | Overuse of antibiotic drugs is leading to the appearance of antibiotic-resistant bacteria; this is , bacteria with mutations that allow them to survive treatment with specific antibiotics . This has made some bacterial infections difficult or impossible to treat . Learning more about how bacteria evolve resistance to a... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"evolutionary",
"biology"
] | 2021 | High potency of sequential therapy with only β-lactam antibiotics |
Upon fertilization , the highly specialised sperm and oocyte genomes are remodelled to confer totipotency . The mechanisms of the dramatic reprogramming events that occur have remained unknown , and presumed roles of histone modifying enzymes are just starting to be elucidated . Here , we explore the function of the oo... | During fertilization , an egg cell and a sperm cell combine to make a cell called a zygote that then divides many times to form an embryo . Many of the characteristics of the embryo are determined by the genes it inherits from its parents . However , not all of these genes should be “expressed” to produce their product... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chromosomes",
"and",
"gene",
"expression",
"developmental",
"biology"
] | 2016 | Maternal LSD1/KDM1A is an essential regulator of chromatin and transcription landscapes during zygotic genome activation |
Mutations in the genes for PINK1 and parkin cause Parkinson’s disease . PINK1 and parkin cooperate in the selective autophagic degradation of damaged mitochondria ( mitophagy ) in cultured cells . However , evidence for their role in mitophagy in vivo is still scarce . Here , we generated a Drosophila model expressing ... | Parkinson’s disease is a brain disorder where certain nerve cells slowly die , and the symptoms gradually worsen over time . While the risk of developing the condition increases with age , in certain patients the illness is caused by defects in two proteins , PINK1 and parkin . PINK1 and parkin help to manage mitochond... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"short",
"report",
"cell",
"biology"
] | 2018 | Deficiency of parkin and PINK1 impairs age-dependent mitophagy in Drosophila |
Gamma synchronization increases during movement and scales with kinematic parameters . Here , disease-specific characteristics of this synchronization and the dopamine-dependence of its scaling in Parkinson’s disease are investigated . In 16 patients undergoing deep brain stimulation surgery , movements of different ve... | Parkinson’s disease is a disorder of the nervous system that affects more than 1% of people over the age of 60 . Symptoms include uncontrollable shaking or tremor , and difficulty with large or fast movements . These symptoms occur when neurons that produce the chemical dopamine die . The loss of dopamine disrupts the ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Methods",
"and",
"materials"
] | [
"medicine",
"neuroscience"
] | 2018 | Dopamine-dependent scaling of subthalamic gamma bursts with movement velocity in patients with Parkinson’s disease |
Earlier reports showed that hyperplasia of sympathoadrenal cell precursors during embryogenesis in Nf1-deficient mice is independent of Nf1’s role in down-modulating RAS-MAPK signaling . We demonstrate in zebrafish that nf1 loss leads to aberrant activation of RAS signaling in MYCN-induced neuroblastomas that arise in ... | Neuroblastoma is one of the most common childhood cancers and is responsible for about 15% of childhood deaths due to cancer . The neuroblastoma tumors arise in cells that develop into and form part of the body’s nervous system . Many researchers have studied the genetics of this disease and have recognised common patt... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Material",
"and",
"methods"
] | [
"cancer",
"biology"
] | 2016 | Synergy between loss of NF1 and overexpression of MYCN in neuroblastoma is mediated by the GAP-related domain |
Migraine is the sixth most prevalent disease worldwide but the mechanisms that underlie migraine chronicity are poorly understood . Cytoskeletal flexibility is fundamental to neuronal-plasticity and is dependent on dynamic microtubules . Histone-deacetylase-6 ( HDAC6 ) decreases microtubule dynamics by deacetylating it... | Migraines are a common brain disorder that affects 14% of the world’s population . For many people the main symptom of a migraine is a painful headache , often on one side of the head . Other symptoms include increased sensitivity to light or sound , disturbed vision , and feeling sick . These sensory disturbances are ... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"neuroscience"
] | 2021 | Neuronal complexity is attenuated in preclinical models of migraine and restored by HDAC6 inhibition |
Changes in chromosome number impair fitness by disrupting the balance of gene expression . Here we analyze mechanisms to compensate for changes in gene dose that accompanied the evolution of sex chromosomes from autosomes . Using single-copy transgenes integrated throughout the Caenorhabditis elegans genome , we show t... | DNA inside cells is packaged into structures called chromosomes , each of which contains numerous genes . Many organisms , including humans , have two copies of most chromosomes in their cells . If the process of cell division goes awry , cells can end up with too many or too few copies of their chromosomes , which can... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"chromosomes",
"and",
"gene",
"expression"
] | 2016 | Chromosome-wide mechanisms to decouple gene expression from gene dose during sex-chromosome evolution |
Recent breakthroughs in 3-dimensional ( 3D ) organoid cultures for many organ systems have led to new physiologically complex in vitro models to study human development and disease . Here , we report the step-wise differentiation of human pluripotent stem cells ( hPSCs ) ( embryonic and induced ) into lung organoids . ... | Cell behavior has traditionally been studied in the lab in two-dimensional situations , where cells are grown in thin layers on cell-culture dishes . However , most cells in the body exist in a three-dimensional environment as part of complex tissues and organs , and so researchers have been attempting to re-create the... | [
"Abstract",
"Introduction",
"Results",
"Discussion",
"Materials",
"and",
"methods"
] | [
"stem",
"cells",
"and",
"regenerative",
"medicine"
] | 2015 | In vitro generation of human pluripotent stem cell derived lung organoids |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.