Chronic activation of mTOR complex 1 is sufficient to cause hepatocellular carcinoma in mice.

abstract：:The postsynaptic site of neurons is composed of more than 1500 proteins arranged in protein-protein interaction complexes, the composition of which is modulated by protein phosphorylation through the actions of complex signaling networks. Components of these networks function as key regulators of synaptic plasticity, ...

journal_title：Science signaling

authors： Li J,Wilkinson B,Clementel VA,Hou J,O'Dell TJ,Coba MP

更新日期：2016-08-09 00:00:00

abstract：:Huntington's disease (HD) is a neurodegenerative disease caused by an expansion in the huntingtin protein (also called Htt) that induces neuronal cell death with age. We found that the treatment of 12-month-old symptomatic heterozygous and homozygous zQ175 huntingtin knockin mice for 12 weeks with CTEP, a negative all...

journal_title：Science signaling

authors： Abd-Elrahman KS,Hamilton A,Hutchinson SR,Liu F,Russell RC,Ferguson SSG

更新日期：2017-12-19 00:00:00

abstract：:Plants and animals produce reactive oxygen species (ROS) in response to infection. In plants, ROS not only activate defense responses and promote cell death to limit the spread of pathogens but also restrict the amount of cell death in response to pathogen recognition. Plants also use hormones, such as salicylic acid,...

journal_title：Science signaling

authors： Siddique S,Matera C,Radakovic ZS,Hasan MS,Gutbrod P,Rozanska E,Sobczak M,Torres MA,Grundler FM

更新日期：2014-04-08 00:00:00

abstract：:Transitional B cells must actively undergo selection for self-tolerance before maturing into their resting follicular B cell successors. We found that metabolic quiescence was acquired at the follicular B cell stage in both humans and mice. In follicular B cells, the expression of genes involved in ribosome biogenesis...

journal_title：Science signaling

authors： Farmer JR,Allard-Chamard H,Sun N,Ahmad M,Bertocchi A,Mahajan VS,Aicher T,Arnold J,Benson MD,Morningstar J,Barmettler S,Yuen G,Murphy SJH,Walter JE,Ghebremichael M,Shalek AK,Batista F,Gerszten R,Pillai S

更新日期：2019-10-22 00:00:00

abstract：:Nominations for this year's signaling breakthroughs spanned physiology, therapeutics and drug development, neuroscience, and plant signaling. Among the most exciting advances in mammalian biology were therapeutic applications of research that are overturning the conventional boundaries of signaling pathways,unexpected...

journal_title：Science signaling

authors： Adler EM

更新日期：2010-01-05 00:00:00

abstract：:Type I interferons (IFNs), including various IFN-α isoforms and IFN-β, are a family of homologous, multifunctional cytokines. IFNs activate different cellular responses by binding to a common receptor that consists of two subunits, IFNAR1 and IFNAR2. In addition to stimulating antiviral responses, they also inhibit ce...

journal_title：Science signaling

authors： Levin D,Schneider WM,Hoffmann HH,Yarden G,Busetto AG,Manor O,Sharma N,Rice CM,Schreiber G

更新日期：2014-05-27 00:00:00

abstract：:The vascular endothelial growth factor (VEGF) signaling pathway plays a pivotal role in normal development and also represents a major therapeutic target for tumors and intraocular neovascular disorders. The VEGF receptor tyrosine kinases promote angiogenesis by phosphorylating downstream proteins in endothelial cells...

journal_title：Science signaling

authors： Zhuang G,Yu K,Jiang Z,Chung A,Yao J,Ha C,Toy K,Soriano R,Haley B,Blackwood E,Sampath D,Bais C,Lill JR,Ferrara N

更新日期：2013-04-16 00:00:00

abstract：:Although multiple steroid ligands of the glucocorticoid, mineralocorticoid, and progestin families bind to and regulate the activity of mineralocorticoid receptors (MRs), the responses to these ligands differ across species. To understand how the different domains of MRs contribute to the ligand-induced activation or ...

journal_title：Science signaling

authors： Katsu Y,Oka K,Baker ME

更新日期：2018-07-03 00:00:00

abstract：:Fragile X syndrome (FXS) mental retardation is caused by loss-of-function mutations in an RNA-binding protein, fragile X mental retardation protein (FMRP). Previous studies in patients or animal models of FXS have identified alterations in dendritic spine structure, as well as synaptic plasticity induced by metabotrop...

journal_title：Science signaling

authors： Ronesi JA,Huber KM

更新日期：2008-02-05 00:00:00

abstract：:Premature labor and consequent neonatal mortality may be prevented by stimulating the expression of PIBF1 in uterine B cells. ...

journal_title：Science signaling

authors： Ferrarelli LK

更新日期：2017-01-17 00:00:00

abstract：:The hypoxia inducible factors (HIFs) and CCAAT/enhancer binding protein alpha (C/EBP alpha) are transcription factors that mediate adaptive responses to hypoxia and control aspects of energy metabolism, respectively. New evidence suggests that when HIF-1 alpha and C/EBP alpha interact, they bring about reciprocal func...

journal_title：Science signaling

authors： Janardhan HP

更新日期：2008-10-28 00:00:00

abstract：:The protein kinase ATM is a master regulator of the DNA damage response but also responds directly to oxidative stress. Loss of ATM causes ataxia telangiectasia, a neurodegenerative disorder with pleiotropic symptoms that include cerebellar dysfunction, cancer, diabetes, and premature aging. We genetically separated t...

journal_title：Science signaling

authors： Lee JH,Mand MR,Kao CH,Zhou Y,Ryu SW,Richards AL,Coon JJ,Paull TT

更新日期：2018-01-09 00:00:00

abstract：:Dimers of conventional transforming growth factor-β (TGF-β) and bone morphogenetic protein (BMP) ligands are composed of two 100- to 140-amino acid peptides that are produced through the proteolytic processing of a proprotein precursor by proconvertases, such as furin. We report the identification of an evolutionarily...

journal_title：Science signaling

authors： Akiyama T,Marqués G,Wharton KA

更新日期：2012-04-03 00:00:00

abstract：:In Drosophila, recognition of microbe-specific molecules (such as bacterial peptidoglycans) activates serine protease cascades that converge to activate the Toll pathway. Recent data show that the serine protease Grass, which is activated downstream of pattern recognition receptors and was initially thought to be a co...

journal_title：Science signaling

authors： Ashok Y

更新日期：2009-01-06 00:00:00

abstract：:The mechanisms of context-specific differences in signal transduction, such as those that occur among different cell types, are not fully understood. One possibility is that differences in the abundance of proteins change signaling outputs because these proteins compete for binding to hub proteins at critical network ...

journal_title：Science signaling

authors： Kiel C,Verschueren E,Yang JS,Serrano L

更新日期：2013-12-17 00:00:00

abstract：:Although many anticancer drugs that target receptor tyrosine kinases (RTKs) provide clinical benefit, their long-term use is limited by resistance that is often attributed to increased abundance or activation of another RTK that compensates for the inhibited receptor. To uncover common and unique features in the signa...

journal_title：Science signaling

authors： Wagner JP,Wolf-Yadlin A,Sevecka M,Grenier JK,Root DE,Lauffenburger DA,MacBeath G

更新日期：2013-07-16 00:00:00

abstract：:Intracellular calcium (Ca2+) signals are of prime importance for cellular function and behavior and are underpinned by a plethora of Ca2+ channels, pumps, transporters, and binding proteins that are regulated in complex ways. A series of biennial meetings, the International Meetings of the European Calcium Society (EC...

journal_title：Science signaling

authors： Parys JB,Guse AH

更新日期：2019-09-17 00:00:00

abstract：:The TRAF [tumor necrosis factor receptor-associated factor] family of cytoplasmic adaptor proteins link cell-surface receptors to intracellular signaling pathways that regulate innate and adaptive immune responses. In response to activation of RIG-I (retinoic acid-inducible gene I), a component of a pattern recognitio...

journal_title：Science signaling

authors： Zhang P,Reichardt A,Liang H,Aliyari R,Cheng D,Wang Y,Xu F,Cheng G,Liu Y

更新日期：2012-11-13 00:00:00

abstract：:Interleukin-2 (IL-2)-inducible T cell kinase (ITK) mediates T cell receptor (TCR) signaling primarily to stimulate the production of cytokines, such as IL-4, IL-5, and IL-13, from T helper 2 (TH2) cells. Compared to wild-type mice, ITK knockout mice are resistant to asthma and exhibit reduced lung inflammation and dec...

journal_title：Science signaling

authors： Sun Y,Peng I,Webster JD,Suto E,Lesch J,Wu X,Senger K,Francis G,Barrett K,Collier JL,Burch JD,Zhou M,Chen Y,Chan C,Eastham-Anderson J,Ngu H,Li O,Staton T,Havnar C,Jaochico A,Jackman J,Jeet S,Riol-Blanco L,Wu

更新日期：2015-12-01 00:00:00

abstract：:We previously developed a web tool, Transcriptomine, to explore expression profiling data sets involving small-molecule or genetic manipulations of nuclear receptor signaling pathways. We describe advances in biocuration, query interface design, and data visualization that enhance the discovery of uncharacterized biol...

journal_title：Science signaling

authors： Becnel LB,Ochsner SA,Darlington YF,McOwiti A,Kankanamge WH,Dehart M,Naumov A,McKenna NJ

更新日期：2017-04-25 00:00:00

abstract：:Spontaneous neural differentiation of embryonic stem cells is induced by Noggin-mediated inhibition of bone morphogenetic protein 4 (BMP4) signaling. RhoA is a guanosine triphosphatase (GTPase) that regulates cytoskeletal dynamics and gene expression, both of which control stem cell fate. We found that disruption of S...

journal_title：Science signaling

authors： Yang J,Wu C,Stefanescu I,Jakobsson L,Chervoneva I,Horowitz A

更新日期：2016-07-26 00:00:00

abstract：:Educated natural killer (NK) cells have inhibitory receptors specific for self major histocompatibility complex (MHC) class I molecules and kill cancer cells more efficiently than do NK cells that do not have such receptors (hyporesponsive NK cells). The mechanism behind this functional empowerment through education h...

journal_title：Science signaling

authors： Staaf E,Hedde PN,Bagawath Singh S,Piguet J,Gratton E,Johansson S

更新日期：2018-02-13 00:00:00

abstract：:Endothelial cell dysfunction, characterized by a diminished response to endothelial cell-dependent vasodilators, is a hallmark of hypertension. TRPV4 channels play a major role in endothelial-dependent vasodilation, a function mediated by local Ca(2+) influx through clusters of functionally coupled TRPV4 channels rath...

journal_title：Science signaling

authors： Sonkusare SK,Dalsgaard T,Bonev AD,Hill-Eubanks DC,Kotlikoff MI,Scott JD,Santana LF,Nelson MT

更新日期：2014-07-08 00:00:00

abstract：:Chemoattractants induce cell migration through the activation of a distinct family of structurally related heterotrimeric guanine nucleotide-binding protein (G protein)-coupled receptors. Over the past few years, several receptors in this family have been identified that recognize different classes of chemoattractants...

journal_title：Science signaling

authors： Borroni EM,Bonecchi R,Mantovani A,Locati M

更新日期：2009-02-24 00:00:00

abstract：:The discovery of feedback loops between signaling and gene expression is ushering in new quantitative models of cellular regulation. In a recent issue of Science Signaling, Sung et al. showed how positive feedback downstream of nuclear factor κB (NF-κB) signaling enhances the capacity of macrophages to scale their ant...

journal_title：Science signaling

authors： Tkach KE,Oyler JE,Altan-Bonnet G

更新日期：2014-02-18 00:00:00

abstract：:Extracellular hyperosmolarity, or osmotic stress, generally caused by differences in salt and macromolecule concentrations across the plasma membrane, occurs in lymphoid organs and at inflammatory sites. The response of immune cells to osmotic stress is regulated by nuclear factor of activated T cells 5 (NFAT5), a tra...

journal_title：Science signaling

authors： Kino T,Takatori H,Manoli I,Wang Y,Tiulpakov A,Blackman MR,Su YA,Chrousos GP,DeCherney AH,Segars JH

更新日期：2009-02-10 00:00:00

abstract：:Slit proteins act as repulsive axon guidance cues by activating receptors of the Roundabout (Robo) family. During early neurogenesis in Drosophila melanogaster, Slit prevents the growth cones of longitudinal tract neurons from inappropriately crossing the midline, thus restricting these cells to trajectories parallel ...

journal_title：Science signaling

authors： Manavalan MA,Jayasinghe VR,Grewal R,Bhat KM

更新日期：2017-06-20 00:00:00

abstract：:The symbiotic interaction between Rhizobium bacteria and legume plants leads to the induction of a new developmental program: the formation of nitrogen-fixing root nodules. Nodulation is triggered by specific bacterial signals, the Nod factors, and integrates plant developmental regulatory pathways to reactivate diffe...

journal_title：Science signaling

authors： Crespi M,Frugier F

更新日期：2008-12-09 00:00:00

abstract：:Degrons are the elements that are used by E3 ubiquitin ligases to target proteins for degradation. Most degrons are short linear motifs embedded within the sequences of modular proteins. As regulatory sites for protein abundance, they are important for many different cellular processes, such as progression through the...

journal_title：Science signaling

authors： Mészáros B,Kumar M,Gibson TJ,Uyar B,Dosztányi Z

更新日期：2017-03-14 00:00:00

abstract：:Toll-like receptors (TLRs) recognize pathogen-associated molecular patterns (PAMPs) and stimulate the innate immune response through the production of cytokines. The innate immune response depends on the timing of encountering PAMPs, suggesting a short-term "memory." In particular, activation of TLR3 appears to prime ...

journal_title：Science signaling

authors： Liu B,Liu Q,Yang L,Palaniappan SK,Bahar I,Thiagarajan PS,Ding JL

更新日期：2016-07-12 00:00:00