1323090

Attenuation by the GABA receptor agonist baclofen of experimental carcinogenesis in rat colon by azoxymethane.

Article date: 1992/1/1

PubMed ID: 1323090

Journal name: Oncology (ISSN: 0030-2414)

ABSTRACT

The effects of the gamma-amino-n-butyric acid (GABA)A receptor agonist muscimol, and the GABAB receptor agonist baclofen, on colon carcinogenesis induced by azoxymethane in Wistar rats were tested. Administration of either muscimol or baclofen had no influence on the incidence of colon tumors at week 30. However, almost all the colon tumors that developed in rats treated with baclofen were adenomas, whereas in the control group the tumors were mainly adenocarcinomas. In contrast, administration of muscimol did not affect the histological types of the colon tumors. These findings indicate that baclofen inhibits the growth of colon tumors via the GABAB receptor.

This document is available from: http://directlinks.cc/files/muscimol/1323090.pdf

Author List: Tatsuta M, Iishi H, Baba M, Taniguchi H

Publication Types: Journal Article

Substances mentioned in the article: Receptors, GABA-A; Muscimol; Baclofen; Azoxymethane;

Mesh terms: Adenocarcinoma/chemically induced; Adenoma/chemically induced; Animals; Azoxymethane; Baclofen/therapeutic use; Cell Division/drug effects; Colon/drug effects; Colonic Neoplasms/chemically induced; Hyperplasia/chemically induced; Intestinal Mucosa/drug effects; Male; Muscimol/therapeutic use; Rats; Rats, Inbred Strains; Receptors, GABA-A/physiology;

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