کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
2023555 | 1542449 | 2006 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Hypothesis: VPAC G protein-coupled receptors for vasoactive intestinal peptide constitute a dynamic system for signaling T cells from plasma membrane and nuclear membrane complexes
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کلمات کلیدی
LPA1TCrCOX-2VPAC2ERKVIPiNOSVPAC1pKaLPAGPCRS1Psphingosine 1-phosphate - اسپینگزین 1-فسفاتlysophosphatidic acid - اسید لیسفسفیدیدinflammation - التهاب( توروم) Immune system - دستگاه ایمنی یا سیستم ایمنیT cell - سلول تیinducible nitric oxide synthase - سنتاز اکسید نیتریک القاییT lymphocyte - لنفوسیت TG proteins - پروتئین Gprotein kinase A - پروتئین کیناز Amitogen-activated protein kinase - پروتئین کیناز فعال با mitogenvasoactive intestinal peptide - پپتید روده روده ایMAP kinase - کیناز MAPNuclear receptor - گیرنده هستهای، گیرندههای هستهایG protein-coupled receptor - گیرندههای جفتشونده با پروتئین جی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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چکیده انگلیسی
The vasoactive intestinal peptide (VIP)-VPAC1 and VPAC2 G protein-coupled receptor (GPCR) systems are autocrine and paracrine regulators of diverse T cell functions. It has been recognized that VIP evokes two types of T cell responses. The first are rapid in onset and brief in duration, such as altered traffic in blood, lymphoid corridors, and tissues. The second are slow in onset and sustained in duration, such as enhanced helper T cell (Th) differentiation in the thymus and increased survival in lymphoid tissues with biases favoring the Th2-type effector and memory subsets. Investigations of some other sets of GPCRs for peptide and lipid mediators have demonstrated expression both in nuclear membranes and plasma membranes with respective linkages to responses that are slow in onset and sustained, and those that are rapid in onset and brief in duration. The hypothesis presented in this paper suggests that plasma membrane VPAC receptors transduce short-term effects of exogenous VIP on T cell effector functions, whereas nuclear VPAC receptors mediate endogenous VIP alterations in differentiation, proliferation, and survival. The types of substantial additional proof needed to support this hypothesis are described, as are its advantages for more selective VIP-directed therapies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Regulatory Peptides - Volume 137, Issues 1â2, 15 November 2006, Pages 75-78
Journal: Regulatory Peptides - Volume 137, Issues 1â2, 15 November 2006, Pages 75-78
نویسندگان
Edward J. Goetzl,