The costimulatory molecule CD226 signals through VAV1 to amplify TCR signals and promote IL-17 production by CD4+ T cells.

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：:GIV (Gα-interacting vesicle-associated protein; also known as Girdin) enhances Akt activation downstream of multiple growth factor- and G protein (heterotrimeric guanosine 5'-triphosphate-binding protein)-coupled receptors to trigger cell migration and cancer invasion. We demonstrate that GIV is a tyrosine phosphoprot...

journal_title：Science signaling

authors： Lin C,Ear J,Pavlova Y,Mittal Y,Kufareva I,Ghassemian M,Abagyan R,Garcia-Marcos M,Ghosh P

更新日期：2011-09-27 00:00:00

abstract：:Progression through mitosis depends on a large number of protein complexes that regulate the major structural and physiological changes necessary for faithful chromosome segregation. Most, if not all, of the mitotic processes are regulated by a set of mitotic protein kinases that control protein activity by phosphoryl...

journal_title：Science signaling

authors： Hegemann B,Hutchins JR,Hudecz O,Novatchkova M,Rameseder J,Sykora MM,Liu S,Mazanek M,Lénárt P,Hériché JK,Poser I,Kraut N,Hyman AA,Yaffe MB,Mechtler K,Peters JM

更新日期：2011-11-08 00:00:00

abstract：:This two-part lecture introduces students to the scientific computing language MATLAB. Prior computer programming experience is not required. The lectures present basic concepts of computer programming logic that tend to cause difficulties for beginners in addition to concepts that relate specifically to the MATLAB la...

journal_title：Science signaling

authors： Sobie EA

更新日期：2011-09-13 00:00:00

abstract：:Uncontrolled expression of type I interferon (IFN-I) drives autoimmunity, necessitating the need for tight regulation. In this issue, Cao et al reveal a role for the kinase HIPK2 in the transcriptional control of IFN-I during antiviral immune responses. ...

journal_title：Science signaling

authors： Best SM,Ponia SS

更新日期：2019-03-19 00:00:00

abstract：:The scattering of cultured epithelial cells in response to hepatocyte growth factor (HGF) is a model system that recapitulates key features of metastatic cell behavior in vitro, including disruption of cell-cell adhesions and induction of cell migration. We have developed image analysis tools that do not require fluor...

journal_title：Science signaling

authors： Loerke D,le Duc Q,Blonk I,Kerstens A,Spanjaard E,Machacek M,Danuser G,de Rooij J

更新日期：2012-07-03 00:00:00

abstract：:Adenosine 5'-diphosphate (ADP)-ribosylation is a protein posttranslational modification that is catalyzed by ADP-ribosyltransferases (ARTs), using nicotinamide adenine dinucleotide (NAD(+)) as a substrate. Mono-ribosylation can be extended into polymers of ADP-ribose (PAR). Poly(ADP-ribosyl)polymerase (PARP) 1, the be...

journal_title：Science signaling

authors： Hottiger MO,Boothby M,Koch-Nolte F,Lüscher B,Martin NM,Plummer R,Wang ZQ,Ziegler M

更新日期：2011-05-24 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：:Clinical response to chimeric antigen receptor (CAR) T cell therapy is correlated with CAR T cell persistence, especially for CAR T cells that target CD19+ hematologic malignancies. 4-1BB-costimulated CAR (BBζ) T cells exhibit longer persistence after adoptive transfer than do CD28-costimulated CAR (28ζ) T cells. 4-1B...

journal_title：Science signaling

authors： Philipson BI,O'Connor RS,May MJ,June CH,Albelda SM,Milone MC

更新日期：2020-03-31 00:00:00

abstract：:Ovarian cancer is a complex disease with heterogeneity among the gene expression molecular subtypes (GEMS) between patients. Patients with tumors of a mesenchymal ("Mes") subtype have a poorer prognosis than patients with tumors of an epithelial ("Epi") subtype. We evaluated GEMS of ovarian cancer patients for molecul...

journal_title：Science signaling

authors： Antony J,Tan TZ,Kelly Z,Low J,Choolani M,Recchi C,Gabra H,Thiery JP,Huang RY

更新日期：2016-10-04 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：:The interplay between calcium ion (Ca(2+)) and cyclic adenosine monophosphate (cAMP) signaling underlies crucial aspects of cell homeostasis. The membrane-bound Ca(2+)-regulated adenylyl cyclases (ACs) are pivotal points of this integration. These enzymes display high selectivity for Ca(2+) entry arising from the acti...

journal_title：Science signaling

authors： Willoughby D,Everett KL,Halls ML,Pacheco J,Skroblin P,Vaca L,Klussmann E,Cooper DM

更新日期：2012-04-10 00:00:00

abstract：:Inositol pyrophosphates are highly energetic inositol polyphosphate molecules present in organisms from slime molds and yeast to mammals. Distinct classes of enzymes generate different forms of inositol pyrophosphates. The biosynthesis of these substances principally involves phosphorylation of inositol hexakisphospha...

journal_title：Science signaling

authors： Chakraborty A,Kim S,Snyder SH

更新日期：2011-08-23 00:00:00

abstract：:Multicellular organisms rely on complex, fine-tuned protein networks to respond to environmental changes. We used in vitro evolution to explore the role of domain mutation and expansion in the evolution of network complexity. Using random mutagenesis to facilitate family expansion, we asked how versatile and robust th...

journal_title：Science signaling

authors： Ernst A,Sazinsky SL,Hui S,Currell B,Dharsee M,Seshagiri S,Bader GD,Sidhu SS

更新日期：2009-09-08 00:00:00

abstract：:The accumulation of damaged or excess proteins and organelles is a defining feature of metabolic disease in nearly every tissue. Thus, a central challenge in maintaining metabolic homeostasis is the identification, sequestration, and degradation of these cellular components, including protein aggregates, mitochondria,...

journal_title：Science signaling

authors： Evans TD,Sergin I,Zhang X,Razani B

更新日期：2017-02-28 00:00:00

abstract：:The differentiation of fibroblasts into a transient population of highly activated, extracellular matrix (ECM)-producing myofibroblasts at sites of tissue injury is critical for normal tissue repair. Excessive myofibroblast accumulation and persistence, often as a result of a failure to undergo apoptosis when tissue r...

journal_title：Science signaling

authors： Selvarajah B,Azuelos I,Platé M,Guillotin D,Forty EJ,Contento G,Woodcock HV,Redding M,Taylor A,Brunori G,Durrenberger PF,Ronzoni R,Blanchard AD,Mercer PF,Anastasiou D,Chambers RC

更新日期：2019-05-21 00:00:00

abstract：:Regulatory factor X (Rfx) homologs regulate the transcription of genes necessary for ciliogenesis in invertebrates and vertebrates. Primary cilia are necessary for Hedgehog signaling and regulation of the activity of the transcriptional regulators known as Gli proteins, which are targets of Hedgehog signaling. Here, w...

journal_title：Science signaling

authors： Ashique AM,Choe Y,Karlen M,May SR,Phamluong K,Solloway MJ,Ericson J,Peterson AS

更新日期：2009-11-03 00:00:00

abstract：:Dickkopf1 (DKK1) was originally identified as an antagonist of Wnt signaling that binds to and induces the clathrin-mediated endocytosis of the Wnt coreceptors low-density lipoprotein receptor-related proteins 5 and 6 (LRP5/6). DKK1 also binds to cytoskeleton-associated protein 4 (CKAP4), which was originally identifi...

journal_title：Science signaling

authors： Sada R,Kimura H,Fukata Y,Fukata M,Yamamoto H,Kikuchi A

更新日期：2019-11-19 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：:The CLAVATA (CLV) and flagellin (flg) signaling pathways act through peptide ligands and closely related plasma membrane-localized receptor-like kinases (RLKs). The plant peptide CLV3 regulates stem cell homeostasis, whereas the bacterial flg22 peptide elicits defense responses. We applied multiparameter fluorescence ...

journal_title：Science signaling

authors： Somssich M,Ma Q,Weidtkamp-Peters S,Stahl Y,Felekyan S,Bleckmann A,Seidel CA,Simon R

更新日期：2015-08-04 00:00:00

abstract：:Mutations in ERBB2, the gene encoding epidermal growth factor receptor (EGFR) family member HER2, are common in and drive the growth of "HER2-negative" (not ERBB2 amplified) tumors but are rare in "HER2-positive" (ERBB2 amplified) breast cancer. We analyzed DNA-sequencing data from HER2-positive patients and used cell...

journal_title：Science signaling

authors： Cocco E,Javier Carmona F,Razavi P,Won HH,Cai Y,Rossi V,Chan C,Cownie J,Soong J,Toska E,Shifman SG,Sarotto I,Savas P,Wick MJ,Papadopoulos KP,Moriarty A,Cutler RE Jr,Avogadri-Connors F,Lalani AS,Bryce RP,Chandarlapa

更新日期：2018-10-09 00:00:00

abstract：:Deoxyhypusine synthase (DHPS) uses the polyamine spermidine to catalyze the hypusine modification of the mRNA translation factor eIF5A and promotes oncogenesis through poorly defined mechanisms. Because germline deletion of Dhps is embryonically lethal, its role in normal postnatal cellular function in vivo remains un...

journal_title：Science signaling

authors： Levasseur EM,Yamada K,Piñeros AR,Wu W,Syed F,Orr KS,Anderson-Baucum E,Mastracci TL,Maier B,Mosley AL,Liu Y,Bernal-Mizrachi E,Alonso LC,Scott D,Garcia-Ocaña A,Tersey SA,Mirmira RG

更新日期：2019-12-03 00:00:00

abstract：:Antigen-mediated stimulation of the T cell receptor (TCR) triggers activation of nuclear factor κB (NF-κB), a key transcriptional regulator of T cell proliferation and effector cell differentiation. TCR signaling to NF-κB requires both the Carma1-Bcl10-Malt1 (CBM) complex and the inhibitor of κB (IκB) kinase (IKK) com...

journal_title：Science signaling

authors： Paul S,Traver MK,Kashyap AK,Washington MA,Latoche JR,Schaefer BC

更新日期：2014-05-13 00:00:00

abstract：:How cells recover from a DNA damage-induced arrest is currently poorly understood. We performed large-scale quantitative phosphoproteomics to identify changes in protein phosphorylation that occurred during recovery from arrest in the G2 phase of the cell cycle caused by DNA damage. We identified 154 proteins that wer...

journal_title：Science signaling

authors： Halim VA,Alvarez-Fernández M,Xu YJ,Aprelia M,van den Toorn HW,Heck AJ,Mohammed S,Medema RH

更新日期：2013-04-23 00:00:00

abstract：:Tools for conducting high-throughput kinome analysis do not exist for many species. For example, two commonly used techniques for monitoring phosphorylation events are phosphorylation-specific antibodies and peptide arrays. The majority of phosphorylation-specific antibodies are for human or mouse targets, and the con...

journal_title：Science signaling

authors： Jalal S,Arsenault R,Potter AA,Babiuk LA,Griebel PJ,Napper S

更新日期：2009-01-20 00:00:00

abstract：:l-Glutamate is the main excitatory neurotransmitter in the brain, with postsynaptic responses to its release predominantly mediated by AMPA-type glutamate receptors (AMPARs). A critical component of synaptic plasticity involves changes in the number of responding postsynaptic receptors, which are dynamically recruited...

journal_title：Science signaling

authors： Buonarati OR,Hammes EA,Watson JF,Greger IH,Hell JW

更新日期：2019-01-01 00:00:00

abstract：:In this issue of Science Signaling, Lu et al reveal a role for Parkin-mediated mitophagy in beige-to-white adipocyte transition. In the absence of Parkin, mitochondria in thermogenic beige adipocytes are preserved even after the elimination of cold mimetic stimuli-in contrast to their typical elimination during the wh...

journal_title：Science signaling

authors： Sarraf SA,Youle RJ

更新日期：2018-04-24 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：:Understanding the complex dynamics of growth factor signaling requires both mechanistic and kinetic information. Although signaling dynamics have been studied for pathways downstream of receptor tyrosine kinases and G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptors, they have not been inv...

journal_title：Science signaling

authors： Vizán P,Miller DS,Gori I,Das D,Schmierer B,Hill CS

更新日期：2013-12-10 00:00:00

abstract：:The deubiquitylating enzyme OTUB1 is present in all tissues and targets many substrates, in both the cytosol and nucleus. We found that casein kinase 2 (CK2) phosphorylated OTUB1 at Ser(16) to promote its nuclear accumulation in cells. Pharmacological inhibition or genetic ablation of CK2 blocked the phosphorylation o...

journal_title：Science signaling

authors： Herhaus L,Perez-Oliva AB,Cozza G,Gourlay R,Weidlich S,Campbell DG,Pinna LA,Sapkota GP

更新日期：2015-04-14 00:00:00