Title : Nicotine and acetylcholine induce release of calcitonin gene-related peptide from rat trachea.

Pub. Date : 1994 Apr

PMID : 8045845






7 Functional Relationships(s)
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1 Nicotine and acetylcholine induce release of calcitonin gene-related peptide from rat trachea. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus
2 In the present study, we observed that nicotine, the nicotinic analogue cytisine, and acetylcholine (ACh) evoked a concentration-dependent (5 x 10(-6)-5 x 10(-5) M) release of calcitonin gene-related peptide (CGRP) from the rat trachea. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus
3 In the present study, we observed that nicotine, the nicotinic analogue cytisine, and acetylcholine (ACh) evoked a concentration-dependent (5 x 10(-6)-5 x 10(-5) M) release of calcitonin gene-related peptide (CGRP) from the rat trachea. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus
4 In the present study, we observed that nicotine, the nicotinic analogue cytisine, and acetylcholine (ACh) evoked a concentration-dependent (5 x 10(-6)-5 x 10(-5) M) release of calcitonin gene-related peptide (CGRP) from the rat trachea. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus
5 In the present study, we observed that nicotine, the nicotinic analogue cytisine, and acetylcholine (ACh) evoked a concentration-dependent (5 x 10(-6)-5 x 10(-5) M) release of calcitonin gene-related peptide (CGRP) from the rat trachea. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus
6 Hexamethonium and mecamylamine blocked the effect of nicotine but not that of ACh, whereas atropine significantly attenuated the release of CGRP outflow induced by ACh. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus
7 Physostigmine and neostigmine did not alter resting release of CGRP from rat trachea, although exogenous (10(-5) M) ACh-induced CGRP release was enhanced in the presence of neostigmine, suggesting minimal tonic cholinergic activity in this model. Acetylcholine calcitonin-related polypeptide alpha Rattus norvegicus