2839801

Evidence for gamma-aminobutyric acid receptor-mediated modulation of the aortic baroreceptor reflex in the nucleus tractus solitarii of the rat.

Article date: 1988/6/29

PubMed ID: 2839801

Journal name: Neuroscience letters (ISSN: 0304-3940)

ABSTRACT

Microinjections of the gamma-aminobutyric acid (GABA) receptor antagonist bicuculline into the medial area of the nucleus tractus solitarii of the rat enhanced the depressor and bradycardiac responses to aortic nerve stimulation whereas the glycine receptor antagonist strychnine did not affect them. The GABA receptor agonist muscimol and the GABA uptake inhibitor nipecotic acid reduced the responses to aortic nerve stimulation. These results provide evidence suggesting GABA receptor-mediated modulation of the aortic baroreceptor reflex in the nucleus tractus solitarii of the rat.

This document is available from: http://directlinks.cc/files/muscimol/2839801.pdf

Author List: Kubo T, Kihara M

Publication Types: Journal Article; Research Support, Non-U.S. Gov't

Substances mentioned in the article: Receptors, GABA-A; Bicuculline;

Mesh terms: Animals; Aorta/innervation; Bicuculline/pharmacology; Blood Pressure/drug effects; Electric Stimulation; Heart Rate/drug effects; Male; Medulla Oblongata/physiology; Pressoreceptors/drug effects; Rats; Rats, Inbred Strains; Receptors, GABA-A/physiology; Reflex/physiology;

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