The effect of calcitonin gene-related peptide (CGRP) on cerebrovascular system in dogs
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چکیده
منابع مشابه
Calcitonin Gene-Related Peptide (CGRP)
Calcitonin gene-related peptide (CGRP) is a 37 amino acid vasoactive neuropeptide that is widely distributed in central and peripheral nervous systems in mammals. CGRP was discovered in 1982 by molecular cloning of calcitonin (CT) gene. CGRP-specific mRNA appears to predominate in the hypothalamus while CT mRNA predominates in the thyroid. CGRP has an amphiphilic α-helical secondary structure i...
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Cerebral blood flow autoregulation (CA) shifts to higher blood pressures in chronic hypertensive patients, which increases their risk for brain damage. Although cerebral vascular smooth muscle cells express the potent vasodilatatory peptides calcitonin gene-related peptide (CGRP) and adrenomedullin (AM) and their receptors (calcitonin receptor-like receptor (Calclr), receptor-modifying proteins...
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In this issue of Cephalalgia, Dr Jakob Moller Hansen and his colleagues report a series of very interesting experiments in which they successfully induced migraine-like attacks in patients with migraine with aura via infusion of calcitonin gene related peptide (CGRP). This work echoes similar experiments carried out by the Copenhagen group using the nitric oxide donor, glycerol trinitrate (GTN)...
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From this study, we predicted that the human calcitonin gene-related peptide (hCGRP) fragment hCGRP-(8-37) would be a selective antagonist for CGRP receptors but an agonist for calcitonin (CT) receptors. In rat liver plasma membrane, where CGRP receptors predominate and CT appears to act through these receptors, hCGRP-(8-37) dose dependently displaced 125I-[Tyr0]rat CGRP binding. However, hCGRP...
متن کاملCalcitonin gene-related peptide: functional role in cerebrovascular regulation.
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 ...
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ژورنال
عنوان ژورنال: Japanese Journal of Pharmacology
سال: 1987
ISSN: 0021-5198
DOI: 10.1016/s0021-5198(19)58094-5