نتایج جستجو برای: cgrp cox
تعداد نتایج: 51768 فیلتر نتایج به سال:
The central nucleus of amygdala (CeA) plays an important role in pain regulation. Calcitonin gene-related peptide (CGRP)-like immunoreactive fibers and CGRP receptors are distributed densely in CeA. The present study was performed to elucidate the role of CGRP in nociceptive regulation in the CeA of rats. Intra-CeA injection of CGRP induced dose-dependent increases in the hind-paw withdrawal la...
Peptides related to the N-terminal region of calcitonin gene-related peptide (CGRP) were tested for their ability to modulate neuronal nicotinic acetylcholine receptors (nAChRs) of rat cultured chromaffin cells under whole cell patch-clamp conditions. Although CGRP(1-7) and CGRP(2-7) depressed responses mediated by nAChRs, CGRP(1-6), CGRP(1-5), or CGRP(1-4) rapidly and reversibly potentiated su...
Calcitonin gene-related protein (CGRP) inhibits food intake and stimulates the hypothalamo-pituitary-adrenal (HPA) axis after intracerebroventricular injection in rats. However, the hypothalamic site and mechanism of action are unknown. We investigated the effects of intraparaventricular nucleus administration (iPVN) of CGRP on food intake and the HPA axis in rats and the effect of CGRP on the ...
The neuropeptides substance P, calcitonin gene-related peptide (CGRP) and vasoactive intestinal polypeptide (VIP) have been considered as important mediators in migraine and other primary headaches. CGRP and VIP have been found at increased concentrations in jugular venous plasma during attacks of migraine or cluster headache, and CGRP receptor antagonists have recently ...
Background: The pathogenesis of psoriatic plaque lesions is related to the overexpression of calcitonin gene-related peptide (CGRP). We investigated changes in circulating and skin CGRP content, and their impacts on T lymphocyte infiltration and acitretin therapy in psoriasis vulgaris. Methods: CGRP expression was examined through immunohistochemistry of skin biopsies, and its serum levels were...
Atopic dermatitis (AD) is an often severely pruritic chronic inflammatory disease worsened by psychological stress. Calcitonin gene-related peptide (CGRP) a sensory neuropeptide, which may cause pruritus. Earlier studies indicate special pathogenetic role for CGRP in AD. However, somewhat contradictory results regarding positive nerve fibers AD skin, have been reported. We studied skin biopsies...
Calcitonin gene-related peptide (CGRP) is present in both motor and sensory neurons and transported in the somatofugal direction. CGRP levels in sensory neurons are assumed to be regulated by NGF supplied from their peripheral targets. In cultured sensory neurons, however, a basal level of CGRP persists even without NGF. This suggests that some additional factors may be involved in regulation o...
Calcitonin gene-related peptide (CGRP) is a potent vasodilator and relaxes smooth muscle of a variety of tissues, but the effects of CGRP on human myometrial contractions and the changes in CGRP receptors (CGRP-Rs) in human myometrium have not been described. We report that CGRP induced dose-dependent relaxation in spontaneously contracting myometrium from pregnant women. This relaxation effect...
Overexpression of calcitonin gene-related peptide (CGRP), an extremely potent vasodilator, to blood vessels is a possible strategy for prevention of vasospasm. We constructed an adenoviral vector that encodes prepro-CGRP (Adprepro-CGRP) and examined the effects of gene transfer on cultured cells and cerebral arteries. Transfection of Adprepro-CGRP to Cos-7 and NIH-3T3 cells increased CGRP-like ...
Migraine is a common neurological disorder that is associated with an increase in plasma calcitonin gene-related peptide (CGRP) levels. CGRP, a neuropeptide released from activated trigeminal sensory nerves, dilates intracranial blood vessels and transmits vascular nociception. Therefore, it is propounded that: (i) CGRP may have an important role in migraine pathophysiology, and (ii) inhibition...
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