نتایج جستجو برای: cgrp
تعداد نتایج: 2280 فیلتر نتایج به سال:
Distribution studies disclosed that all major cerebral arteries and cortical arterioles of the cat were invested with fine varicose nerve fibers that contained calcitonin gene-related peptide (CGRP)-like immunoreactivity; the trigeminal ganglia likewise contained CGRP immunoreactivity. Sequential immunostaining with antibodies to CGRP and to substance P (SP) revealed identical distributions of ...
Two human genes encoding precursors for two calcitonin gene-related peptides (CGRP) I (or alpha) and II (or beta) have been identified (Steenbergh, P. H., Höppener, J. W. M., Zandberg, J., Lips, C. J. M., and Jansz, H. S. (1985) FEBS Lett. 183, 403-407). The amino acid sequence of CGRP-I was obtained in medullary thyroid carcinoma extracts (Morris, H. R., Panico, M., Etienne, T., Tippins, J., G...
The effects of calcitonin gene-related peptide (CGRP) on constriction frequency, smooth muscle membrane potential (V(m)), and endothelial V(m) of guinea pig mesenteric lymphatics were examined in vitro. CGRP (1-100 nM) caused an endothelium-dependent decrease in the constriction frequency of perfused lymphatic vessels. The endothelium-dependent CGRP response was abolished by the CGRP-1 receptor...
هدف از پژوهش حاضر، تعیین نقش پپتید مرتبط با ژن کلسی تونین در اکسیداسیون چربی حین تمرین استقامتی در رتهای نر نژاد ویستار بود. بدینمنظور، 30 رأس رت نر نژاد ویستار بهشکل تصادفی به سه گروه کنترل (10 نفر)، تمرینی محض (10 نفر) و تمرین+ (CGRP(8-37 (10 نفر) تقسیم شدند. گروههای تمرینی محض و تمرین + CGRP(8-37)، یک جلسه تمرین استقامتی را با سرعت 26 متر بر دقیقه و بهمدت 60 دقیقه انجام دادند و بلا...
هدف از پژوهش حاضر مطالعه تاثیر تمرینات استقامتی، مقاومتی و ترکیبی بر میزان cgrp عصب سیاتیک موش نر ویستار بود. بدین منظور 32 سر موش نر به صورت تصادفی به 4 گروه کنترل (8n=)، تمرین استقامتی (8n=)، تمرین مقاومتی (8n=)، و تمرین ترکیبی (8n=)، تقسیم شده و در دمای اتاق (22درجه سانتیگراد) و طبق چرخه 12 ساعت خواب و بیداری و با در دسترس بودن آب و غذا نگهداری شدند. حیوانات بعد از یک هفته عادت دادن به پروتک...
Calcitonin gene-related peptide (CGRP) evokes anxiety-like responses when infused into the lateral ventricle of rats. Because the bed nucleus of the stria terminalis (BNST) lies immediately adjacent to the lateral ventricle, is rich in CGRP receptors, and has itself been implicated in anxiety, we evaluated the hypothesis that these effects are attributable to stimulation of CGRP receptors withi...
The dose-response effects of infused calcitonin gene-related peptide (CGRP), a potent vasodilator, on systemic and regional hemodynamics in the conscious rat remain incompletely defined. The radioactive microsphere technique provided these determinations before and after the intravenous administration of vehicle or 22, 65, 220, and 2200 pmol of CGRP. Neither vehicle nor 22 pmol of CGRP signific...
CGRP peptide, a widely expressed constituent of sensory neurons, plays important roles in nerve function and repair when axons are severed. CGRP synthesis declines, yet peptide nonetheless accumulates in severed axon endbulbs. In this work we explore an apparent selective and ongoing expression of CGRP peptide in regenerative sensory axon sprouts. Following sural nerve crush in rats out to 14 d...
We used the calcitonin/calcitonin gene-related peptide (CGRP)-alpha gene knockout model (Ct/Cgrp null) to determine whether calcitonin and CGRPalpha are required for normal fetal mineral homeostasis and placental calcium transfer. Heterozygous (Ct/Cgrp(+/-)) and Ct/Cgrp null females were mated to Ct/Cgrp(+/-) males. One or two days before term, blood was collected from mothers and fetuses and a...
The bed nucleus of the stria terminalis (BNST) is thought to generate anxiety-like states via its projections to autonomic and neuroendocrine regulatory structures of the brain. However, because most BNST cells are GABAergic, they are expected to inhibit target neurons. In contrast with this, infusion of calcitonin gene-related peptide (CGRP) into BNST was reported to potentiate anxiety while a...
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