نتایج جستجو برای: npy
تعداد نتایج: 2532 فیلتر نتایج به سال:
بیماری های قلبی عروقی(cvd) گروهی از بیماری های آسیب رسان در افراد هستند که در قلب و رگ های خونی مشکل ایجاد می کنند. براساس آمار ارائه شده از سوی سازمان بهداشت جهانی، 41.3 درصد کل مرگ های سال 2005 در کشور ایران ناشی از cvd بوده است و متأسفانه پیش بینی می شود تا سال2030 این میزان به 44.8 درصد برسد. از آن جا که روز به روز سن ابتلا برای این بیماری ها کاهش می یابد، لذا یکی از نگرانی های اصلی برای سل...
Neuropeptide Y (NPY) receptors (nomenclature as agreed by the NC-IUPHAR Subcommittee on Receptors [158]) are activated endogenous peptides neuropeptide Y, Y-(3-36), peptide YY, PYY-(3-36) and pancreatic polypeptide (PP). The receptor originally identified Y3 has been CXCR4 chemokine recepter (originally named LESTR, [139]). y6 is a functional gene product in mouse, absent rat, but contains fram...
objective(s): atherosclerosis is an important risk factor for coronary heart disease. neuropeptide y (npy) and its receptors, located in peripheral tissue such as white adipose tissue, have been linked to obesity and fat storage. the role of npy in atherosclerosis has not yet been fully studied, so this study was conducted to further investigate the effect of biie 0246, an npy receptor antagoni...
Cell culture studies demonstrate an increase in cardiac L-type Ca2+ current (ICa,L) density on sympathetic innervation in vitro and suggest the effect depends on neurally released neuropeptide Y (NPY). To determine if a similar mechanism contributes to the postnatal increase in ICa,L in vivo, we prepared isolated ventricular myocytes from neonatal and adult mice with targeted deletion of the NP...
Abstract Exposure to the hight-fat diet may alter control of food intake promoting hyperphagia and obesity. The objective this study was investigate effects on dopamine receptors (drd1 drd2), proopiomelanocortin (pomc), neuropeptideY (npy) genes expression, preference in adult rats. Wistar female rats were fed a or during pregnancy lactation. offspring allocated into groups: Lactation – Control...
There are now six recognized neuropeptide Y (NPY) receptor subtypes (Y1-Y4 and two recently cloned distinct receptors labeled Y5), of which Y1 and one of the Y5's have been suggested could mediate the effect of NPY on feeding. The fragments NPY(2-36) and NPY(3-36), which bind Y1 only poorly, were injected intracerebroventricularly (icv) and found to have similar dose-response relationships to N...
Neuropeptide Y (NPY) exerts its functions through six subtypes of receptors (Y₁-Y₆). Biliary homeostasis is regulated by several factors through autocrine/paracrine signaling. NPY inhibits cholangiocarcinoma growth; however, no information exists regarding the autocrine/paracrine role of NPY on biliary hyperplasia during cholestasis. The aims of this study were to determine: 1) the expression o...
Migraine is a painful neurologic disorder with premonitory symptomatology that can include disturbed appetite. Migraine pathophysiology involves abnormal activation of trigeminocervical complex (TCC) neurons. Neuropeptide Y (NPY) is synthesized in the brain and is involved in pain modulation. NPY receptors are present in trigeminal ganglia and trigeminal nucleus caudalis suggesting a role in mi...
Neuropeptide Y (NPY) is induced in peripheral tissues such as adipose tissue with obesity. The mechanism and function of NPY induction in fat are unclear. Given the evidence that NPY can modulate inflammation, we examined the hypothesis that NPY regulates the function of adipose tissue macrophages (ATMs) in response to dietary obesity in mice. NPY was induced by dietary obesity in the stromal v...
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