نتایج جستجو برای: calcitonin gene related peptide
تعداد نتایج: 2276486 فیلتر نتایج به سال:
L.L. Nikitenko1, N. Blucher2, S.B. Fox3, R. Bicknell4, D.M. Smith5 and M.C. Rees2 1Wolfson Institute for Biomedical Research, University College London, London, UK, 2Nuffield Department of Obstetrics and Gynaecology, The University of Oxford, Oxford, UK, 3Nuffield Department of Clinical Laboratory Sciences, The University of Oxford, Oxford, UK, 4Weatherall Institute of Molecular Medicine, The U...
Prostaglandins sensitize sensory neurons to activation by mechanical, thermal and chemical stimuli. This sensitization also results in an increase in the stimulus-evoked release of the neuroactive peptides, substance P and calcitonin gene-related peptide from sensory neurons. The cellular transduction cascade underlying the prostaglandin-induced augmentation of peptide release is not known. The...
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 ...
The calcitonin gene-related peptide (CGRP) receptor is a complex of a calcitonin receptor-like receptor (CLR), which is a family B G-protein-coupled receptor (GPCR) and receptor activity modifying protein 1. The role of the second extracellular loop (ECL2) of CLR in binding CGRP and coupling to Gs was investigated using a combination of mutagenesis and modelling. An alanine scan of residues 271...
The receptor for CGRP (calcitonin gene-related peptide) is a heterodimer between a GPCR (G-protein-coupled receptor), CLR (calcitonin receptor-like receptor) and an accessory protein, RAMP1 (receptor activity-modifying protein 1). Models have been produced of RAMP1 and CLR. It is likely that the C-terminus of CGRP interacts with the extracellular N-termini of CLR and RAMP1; the extreme N-termin...
The neuropeptide calcitonin gene-related peptide (CGRP) plays a key role in migraine. However, a major challenge for studying CGRP actions is the lack of animal models for migraine. Clinical studies suggested that migraineurs are more sensitive to CGRP than people who do not suffer from migraine. We therefore generated a transgenic mouse that is sensitized to CGRP (nestin/hRAMP1 mice). The mice...
The neuropeptide calcitonin gene-related peptide (CGRP) plays a critical role in the pathophysiology of migraine. We have focused on the role of CGRP in photophobia, which is a common migraine symptom. We previously used an operant-based assay to show that CGRP-sensitized transgenic (nestin/hRAMP1), but not control, mice exhibited light aversion in response to an intracerebroventricular CGRP in...
Background: Calcitonin gene-related peptide (CGRP) and rat calcitonin (rCT) play critical roles in descending pain control systems. Objectives: The present research aimed to evaluate the effect of intracerebroventricular (ICV) administration CGRP rCT on mRNA expression peptides periaqueductal gray (PAG) healthy rats formalin test. Methods: A total 24 male Sprague Dawley were categorized into fo...
The present report describes the structure and expression of the calcitonin gene in Fugu rubripes. It is composed of 4 exons and 3 introns. Splicing of exons 1, 2 and 3 generates the calcitonin pre-proprotein, while splicing of exons 1, 2 and 4 generates calcitonin gene-related protein (CGRP). Exons 1 and 2 encoding the signal sequence and the N-terminal peptide are common in both the gene prod...
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