نتایج جستجو برای: مدل wasp
تعداد نتایج: 125663 فیلتر نتایج به سال:
Wiskott-Aldrich syndrome, an inherited blood cell disorder due to mutations of the X-chromosome gene WASP (Wiskott-Aldrich syndrome protein), was characterized originally by thrombocytopenia, immunodeficiency, and eczema. Whereas platelet dysfunction is severe and consistent, immune defects are clinically variable, ranging from negligible to life threatening. To understand this heterogeneity, w...
Although T cell dysfunction and lymphopenia are key features of immunodeficient patients with the Wiskott-Aldrich syndrome and Wiskott-Aldrich syndrome protein (WASP)-deficient mice, T cell development appears relatively normal. We hypothesized that N-WASP, a ubiquitously expressed homologue of WASP, may serve a redundant function with WASP. To examine the unique and redundant activities of WAS...
در این تحقیق، برای تعیین مناسب ترین مدل عرضه انرژی برای ایران و نیز آسیب شناسی و درک مزایا و معایب مدل های مختلف اجرا شده در جهان و ایران، 13 مدل عرضه انرژی شناخته شده در جهان شامل markal، times، efom، wasp، jasp، message، ideas، retscreen، leap، npep، mesap، nems و energy2020 مورد بررسی قرار گرفته اند. سپس با انتخاب شاخص های مناسب و دریافت نظر خبرگان به روش فرایند تحلیل سلسله مراتبی (ahp)، مدل...
Arp2/3 complex is believed to induce de novo nucleation of actin filaments at the edge of motile cells downstream of WASp family proteins. In this study, the signaling pathways leading to Arp2/3 complex activation, actin assembly, and shape change were investigated in platelets isolated from patients with Wiskott-Aldrich Syndrome (WAS), that is, who lack WASp, and in WASp-deficient mouse platel...
Wiskott-Aldrich syndrome protein (WASP) plays important roles in TCR signaling. In transgenic (Tg) mice, over-expression of the WASP N-terminal region (exons 1-5) including the enabled/vasodilator-stimulated phosphoprotein (Ena/VASP) homology 1 (EVH1) domain and anti-WASP-EVH1 single-chain variable fragment (scFv) intracellular expressed antibodies (intrabodies) impairs IL-2 production in activ...
Arp2/3 complex is believed to induce de novo nucleation of actin filaments at the edge of motile cells downstream of WASp family proteins. In this study, the signaling pathways leading to Arp2/3 complex activation, actin assembly, and shape change were investigated in platelets isolated from patients with Wiskott-Aldrich Syndrome (WAS), that is, who lack WASp, and in WASp-deficient mouse platel...
X-linked neutropenia (XLN) is caused by activating mutations in the Wiskott-Aldrich syndrome protein (WASP) that result in aberrant autoinhibition. Although patients with XLN appear to have only defects in myeloid lineages, we hypothesized that activating mutations of WASP are likely to affect the immune system more broadly. We generated mouse models to assess the role of activating WASP mutati...
Mutations of Wiskott-Aldrich syndrome protein (WASP) underlie the severe thrombocytopenia and immunodeficiency of the Wiskott-Aldrich syndrome. WASP, a specific blood cell protein, and its close homologue, the broadly distributed N-WASP, function in dynamic actin polymerization processes. Here it is demonstrated that N-WASP is expressed along with WASP, albeit at low levels, in human blood cell...
Wiskott-Aldrich syndrome (WAS) is an X-linked disease characterized by thrombocytopenia, eczema, and various degrees of immune deficiency. Carriers of mutated WASP have nonrandom X chromosome inactivation in their blood cells and are disease-free. We report data on a 14-month-old girl with a history of WAS in her family who presented with thrombocytopenia, small platelets, and immunologic dysfu...
Wiskott-Aldrich syndrome (WAS) is caused by loss-of-function mutations in the WASp gene. Decreased cellular responses in WASp-deficient cells have been interpreted to mean that WASp directly regulates these responses in WASp-sufficient cells. Here, we identify an exception to this concept and show that WASp-deficient dendritic cells have increased activation of Rac2 that support cross-presentat...
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