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Cancer Lett. 1998 Jan 9;122(1-2):165-75.

Ibuprofen-induced inhibition of cyclooxygenase isoform gene expression and regression of rat mammary carcinomas.

Author information

1
Department of Medical Microbiology and Immunology, Ohio State University, Columbus 43210, USA. robertson.48@osu.edu

Abstract

A single dose of 75 mg/kg 7,12 dimethylbenz[a]anthracene was administered to 50-day-old virgin female Sprague-Dawley rats and 100 days later, animals were randomized and provided with Teklad rodent chow mixed with a dose of 25 mg/rat/day ibuprofen for 35 days. Ibuprofen treatment reduced tumor volume (P < 0.05) and significantly inhibited gene expression of both cyclooxygenase- and cyclooxygenase-2 (P < 0.02). These results indicate that ibuprofen induced significant regression of established mammary carcinomas which was associated with inhibition of expression of isoforms of the gene responsible for prostaglandin production.

PMID:
9464506
DOI:
10.1016/s0304-3835(97)00387-x
[Indexed for MEDLINE]

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