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

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.

journal_name

Oncology

journal_title

Oncology

authors

Tatsuta M,Iishi H,Baba M,Taniguchi H

doi

10.1159/000227048

subject

Has Abstract

pub_date

1992-01-01 00:00:00

pages

241-5

issue

3

eissn

0030-2414

issn

1423-0232

journal_volume

49

pub_type

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