2854070

Effect of sex steroids on GABA receptors in the rat hypothalamus and anterior pituitary gland.

Article date: 1988/10/11

PubMed ID: 2854070

Journal name: European journal of pharmacology (ISSN: 0014-2999)

ABSTRACT

Our data indicate that sex steroids modify the number of GABA receptors, as detected by a [3H]muscimol binding assay, in the tuberoinfundibular GABAergic system. GABA binding was affected by chronic hormonal treatments in different ways depending on the sex of the rats and the steroids administered. Estradiol increased GABA binding in ovariectomized female rats while testosterone decreased the number of GABA binding sites in gonadectomized male rats. These results suggest a sex difference in the regulation of hypothalamic GABA receptors.

This document is available from: http://directlinks.cc/files/muscimol/2854070.pdf

Author List: Lasaga M, Duvilanski B H, Seilicovich A, Afione S, Debeljuk L

Publication Types: Journal Article

Substances mentioned in the article: Gonadal Steroid Hormones; Receptors, GABA-A; Muscimol;

Mesh terms: Animals; Female; Gonadal Steroid Hormones/pharmacology; Hypothalamus/drug effects; In Vitro Techniques; Male; Muscimol/metabolism; Orchiectomy; Ovariectomy; Pituitary Gland, Anterior/drug effects; Rats; Rats, Inbred Strains; Receptors, GABA-A/metabolism;

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