Nitric Oxide is the Endogenous Neurotransmitter of Bronchodilator Nerves in Humans

Overview

Journal Eur J Pharmacol

Specialty Pharmacology

Date 1992 Jan 14

PMID 1350993

Citations 51

Authors

M G Belvisi

C D Stretton

M Yacoub

P J Barnes

Affiliations

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Abstract

In human airways, there is a prominent neural bronchodilator mechanism which is non-adrenergic. In human tracheal segments, we have demonstrated that this response is mediated entirely by nitric oxide (NO), since an inhibitor of NO synthesis, L-NG-nitroarginine methyl ester (L-NAME) (10(-4) M) abolishes this neural response. Identification of the neurotransmitter of this bronchodilator pathway may now make it possible to study its role in physiological control of airway calibre and in airway disease.

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