TCF7L1 promotes skin tumorigenesis independently of β-catenin through induction of LCN2.

abstract：:Temperature-sensitive transient receptor potential (TRP) ion channels are members of the large tetrameric cation channels superfamily but are considered to be uniquely sensitive to heat, which has been presumed to be due to the existence of an unidentified temperature-sensing domain. Here we report that the homologous...

journal_title：eLife

authors： Yang F,Zheng J

更新日期：2014-07-16 00:00:00

abstract：:Energy metabolism is essential for T cell function. However, how persistent antigenic stimulation affects T cell metabolism is unknown. Here, we report that long-term in vivo antigenic exposure induced a specific deficit in numerous metabolic enzymes. Accordingly, T cells exhibited low basal glycolytic flux and limite...

journal_title：eLife

authors： Bettonville M,d'Aria S,Weatherly K,Porporato PE,Zhang J,Bousbata S,Sonveaux P,Braun MY

更新日期：2018-06-18 00:00:00

abstract：: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) activity and...

journal_title：eLife

authors： Wheaton WW,Weinberg SE,Hamanaka RB,Soberanes S,Sullivan LB,Anso E,Glasauer A,Dufour E,Mutlu GM,Budigner GS,Chandel NS

更新日期：2014-05-13 00:00:00

abstract：:Mammalian HMG-CoA reductase (HMGCR), the rate-limiting enzyme of the cholesterol biosynthetic pathway and the therapeutic target of statins, is post-transcriptionally regulated by sterol-accelerated degradation. Under cholesterol-replete conditions, HMGCR is ubiquitinated and degraded, but the identity of the E3 ubiqu...

journal_title：eLife

authors： Menzies SA,Volkmar N,van den Boomen DJ,Timms RT,Dickson AS,Nathan JA,Lehner PJ

更新日期：2018-12-13 00:00:00

abstract：:Bacillus subtilis can measure the activity of the enzymes that remodel the cell wall to ensure that the levels of activity are 'just right'. ...

journal_title：eLife

authors： Kim IM,Szurmant H

更新日期：2020-01-24 00:00:00

abstract：:During mitosis chromosomes reorganise into highly compact, rod-shaped forms, thought to consist of consecutive chromatin loops around a central protein scaffold. Condensin complexes are involved in chromatin compaction, but the contribution of other chromatin proteins, DNA sequence and histone modifications is less un...

journal_title：eLife

authors： Fitz-James MH,Tong P,Pidoux AL,Ozadam H,Yang L,White SA,Dekker J,Allshire RC

更新日期：2020-09-11 00:00:00

abstract：:Metabolism of host-targeted drugs by the microbiome can substantially impact host treatment success. However, since many host-targeted drugs inadvertently hamper microbiome growth, repeated drug administration can lead to microbiome evolutionary adaptation. We tested if evolved bacterial resistance against host-target...

journal_title：eLife

authors： Rosener B,Sayin S,Oluoch PO,García González AP,Mori H,Walhout AJ,Mitchell A

更新日期：2020-11-30 00:00:00

abstract：:It is widely argued that personalized instruction based on individual differences in learning styles or genetic predispositions could improve learning outcomes. However, this proposition has resisted clear demonstration in human studies, where it is difficult to control experience and quantify outcomes. Here, we take ...

journal_title：eLife

authors： Mets DG,Brainard MS

更新日期：2019-09-17 00:00:00

abstract：:SynGAP is a postsynaptic density (PSD) protein that binds to PDZ domains of the scaffold protein PSD-95. We previously reported that heterozygous deletion of Syngap1 in mice is correlated with increased steady-state levels of other key PSD proteins that bind PSD-95, although the level of PSD-95 remains constant (Walku...

journal_title：eLife

authors： Mastro TL,Preza A,Basu S,Chattarji S,Till SM,Kind PC,Kennedy MB

更新日期：2020-01-15 00:00:00

abstract：:Exhaustion of stem cells is a hallmark of aging. In the Drosophila testis, dedifferentiated germline stem cells (GSCs) derived from spermatogonia increase during lifespan, leading to the model that dedifferentiation counteracts the decline of GSCs in aged males. To test this, we blocked dedifferentiation by mis-expres...

journal_title：eLife

authors： Herrera SC,Bach EA

更新日期：2018-07-09 00:00:00

abstract：:We present in vivo single-cell FRET measurements in the Escherichia coli chemotaxis system that reveal pervasive signaling variability, both across cells in isogenic populations and within individual cells over time. We quantify cell-to-cell variability of adaptation, ligand response, as well as steady-state output le...

journal_title：eLife

authors： Keegstra JM,Kamino K,Anquez F,Lazova MD,Emonet T,Shimizu TS

更新日期：2017-12-12 00:00:00

abstract：:MicroRNAs (miRNAs) exert a broad influence over gene expression by directing effector activities that impinge on translation and stability of mRNAs. We recently discovered that the cap-binding protein 4EHP is a key component of the mammalian miRNA-Induced Silencing Complex (miRISC), which mediates gene silencing. Howe...

journal_title：eLife

authors： Jafarnejad SM,Chapat C,Matta-Camacho E,Gelbart IA,Hesketh GG,Arguello M,Garzia A,Kim SH,Attig J,Shapiro M,Morita M,Khoutorsky A,Alain T,Gkogkas CG,Stern-Ginossar N,Tuschl T,Gingras AC,Duchaine TF,Sonenberg N

更新日期：2018-02-07 00:00:00

abstract：:Two distinct mechanisms for primordial germ cell (PGC) specification are observed within Bilatera: early determination by maternal factors or late induction by zygotic cues. Here we investigate the molecular basis for PGC specification in Nematostella, a representative pre-bilaterian animal where PGCs arise as paired ...

journal_title：eLife

authors： Chen CY,McKinney SA,Ellington LR,Gibson MC

更新日期：2020-09-24 00:00:00

abstract：:Cell surface reception of Sonic hedgehog (Shh) must ensure that the graded morphogenic signal is interpreted accordingly in neighboring cells to specify tissue patterns during development. Here, we report endocytic sorting signals for the receptor Patched1 (Ptch1), comprising two 'PPXY' motifs, that direct it to degra...

journal_title：eLife

authors： Yue S,Tang LY,Tang Y,Tang Y,Shen QH,Ding J,Chen Y,Zhang Z,Yu TT,Zhang YE,Cheng SY

更新日期：2014-06-12 00:00:00

abstract：:Social rank differentially influences how male and female mice respond to chronic stress. ...

journal_title：eLife

authors： Bangasser DA,Sanchez EO

更新日期：2020-11-20 00:00:00

abstract：:Human patients carrying PAPP-A2 inactivating mutations have low bone mineral density. The underlying mechanisms for this reduced calcification are poorly understood. Using a zebrafish model, we report that Papp-aa regulates bone calcification by promoting Ca2+-transporting epithelial cell (ionocyte) quiescence-prolife...

journal_title：eLife

authors： Liu C,Li S,Noer PR,Kjaer-Sorensen K,Juhl AK,Goldstein A,Ke C,Oxvig C,Duan C

更新日期：2020-04-16 00:00:00

abstract：:Tissue mechanics is important for development; however, the spatio-temporal dynamics of in vivo tissue stiffness is still poorly understood. We here developed tiv-AFM, combining time-lapse in vivo atomic force microscopy with upright fluorescence imaging of embryonic tissue, to show that during development local tissu...

journal_title：eLife

authors： Thompson AJ,Pillai EK,Dimov IB,Foster SK,Holt CE,Franze K

更新日期：2019-01-15 00:00:00

abstract：:The actomyosin ring generates force to ingress the cytokinetic cleavage furrow in animal cells, yet its filament organization and the mechanism of contractility is not well understood. We quantified actin filament order in human cells using fluorescence polarization microscopy and found that cleavage furrow ingression...

journal_title：eLife

authors： Spira F,Cuylen-Haering S,Mehta S,Samwer M,Reversat A,Verma A,Oldenbourg R,Sixt M,Gerlich DW

更新日期：2017-11-06 00:00:00

abstract：:The basal ganglia are known to be involved in the planning, execution and control of gripping force and movement vigour. Here we aim to define the nature of the basal ganglia control signal for force and to decode gripping force based on local field potential (LFP) activities recorded from the subthalamic nucleus (STN...

journal_title：eLife

authors： Tan H,Pogosyan A,Ashkan K,Green AL,Aziz T,Foltynie T,Limousin P,Zrinzo L,Hariz M,Brown P

更新日期：2016-11-18 00:00:00

abstract：:Tuberculosis disproportionately affects the Canadian Inuit. To address this, it is imperative we understand transmission dynamics in this population. We investigate whether 'deep' sequencing can provide additional resolution compared to standard sequencing, using a well-characterized outbreak from the Arctic (2011-201...

journal_title：eLife

authors： Lee RS,Proulx JF,McIntosh F,Behr MA,Hanage WP

更新日期：2020-02-04 00:00:00

abstract：:Pore-blocking toxins inhibit voltage-dependent K(+) channels (Kv channels) by plugging the ion-conduction pathway. We have solved the crystal structure of paddle chimera, a Kv channel in complex with charybdotoxin (CTX), a pore-blocking toxin. The toxin binds to the extracellular pore entryway without producing discer...

journal_title：eLife

authors： Banerjee A,Lee A,Campbell E,Mackinnon R

更新日期：2013-05-21 00:00:00

abstract：:Regulation of protein turnover allows cells to react to their environment and maintain homeostasis. Proteins can show different turnover rates in different tissue, but little is known about protein turnover in different brain cell types. We used dynamic SILAC to determine half-lives of over 5100 proteins in rat primar...

journal_title：eLife

authors： Dörrbaum AR,Kochen L,Langer JD,Schuman EM

更新日期：2018-06-19 00:00:00

abstract：:Brain connectivity maps display a delicate balance between individual variation and stereotypy, suggesting the existence of dedicated mechanisms that simultaneously permit and limit individual variation. We show that during the development of the Drosophila central nervous system, mutual inhibition among groups of nei...

journal_title：eLife

authors： Langen M,Koch M,Yan J,De Geest N,Erfurth ML,Pfeiffer BD,Schmucker D,Moreau Y,Hassan BA

更新日期：2013-03-05 00:00:00

abstract：:Aedes aegypti transmit pathogenic arboviruses while the mosquito itself tolerates the infection. We examine a piRNA-based immunity that relies on the acquisition of viral derived cDNA (vDNA) and how this pathway discriminates between self and non-self. The piRNAs derived from these vDNAs are essential for virus contro...

journal_title：eLife

authors： Tassetto M,Kunitomi M,Whitfield ZJ,Dolan PT,Sánchez-Vargas I,Garcia-Knight M,Ribiero I,Chen T,Olson KE,Andino R

更新日期：2019-10-17 00:00:00

abstract：:Neurotransmitter release requires formation of trans-SNARE complexes between the synaptic vesicle and plasma membranes, which likely underlies synaptic vesicle priming to a release-ready state. It is unknown whether Munc18-1, Munc13-1, complexin-1 and synaptotagmin-1 are important for priming because they mediate tran...

journal_title：eLife

authors： Prinslow EA,Stepien KP,Pan YZ,Xu J,Rizo J

更新日期：2019-01-18 00:00:00

abstract：:Calcineurin is responsible for mediating a wide variety of cellular processes in response to dynamic calcium (Ca(2+)) signals, yet the precise mechanisms involved in the spatiotemporal control of calcineurin signaling are poorly understood. Here, we use genetically encoded fluorescent biosensors to directly probe the ...

journal_title：eLife

authors： Mehta S,Aye-Han NN,Ganesan A,Oldach L,Gorshkov K,Zhang J

更新日期：2014-07-23 00:00:00

abstract：:Mycobacterium tuberculosis (Mtb) expresses a broad-spectrum β-lactamase (BlaC) that mediates resistance to one of the highly effective antibacterials, β-lactams. Nonetheless, β-lactams showed mycobactericidal activity in combination with β-lactamase inhibitor, clavulanate (Clav). However, the mechanistic aspects of ho...

journal_title：eLife

authors： Mishra S,Shukla P,Bhaskar A,Anand K,Baloni P,Jha RK,Mohan A,Rajmani RS,Nagaraja V,Chandra N,Singh A

更新日期：2017-05-26 00:00:00

abstract：:Axonal conduction velocity can change substantially during ongoing activity, thus modifying spike interval structures and, potentially, temporal coding. We used a biophysical model to unmask mechanisms underlying the history-dependence of conduction. The model replicates activity in the unmyelinated axon of the crusta...

journal_title：eLife

authors： Zhang Y,Bucher D,Nadim F

更新日期：2017-07-10 00:00:00

abstract：:In addition to their role in desensitization and internalization of G protein-coupled receptors (GPCRs), β-arrestins are essential scaffolds linking GPCRs to Erk1/2 signaling. However, their role in GPCR-operated Erk1/2 activation differs between GPCRs and the underlying mechanism remains poorly characterized. Here, w...

journal_title：eLife

authors： Cassier E,Gallay N,Bourquard T,Claeysen S,Bockaert J,Crépieux P,Poupon A,Reiter E,Marin P,Vandermoere F

更新日期：2017-02-07 00:00:00

abstract：:Genome-wide association analyses have uncovered multiple genomic regions associated with T2D, but identification of the causal variants at these remains a challenge. There is growing interest in the potential of deep learning models - which predict epigenome features from DNA sequence - to support inference concerning...

journal_title：eLife

authors： Wesolowska-Andersen A,Zhuo Yu G,Nylander V,Abaitua F,Thurner M,Torres JM,Mahajan A,Gloyn AL,McCarthy MI

更新日期：2020-01-27 00:00:00