Abstract Title:

Nordihydroguaiaretic acid suppression of rat mammary carcinogenesis induced by N-methyl-N-nitrosourea.

Abstract Source:

Cancer Lett. 1987 Oct 30 ;37(2):139-46. PMID: 3119189

Abstract Author(s):

D L McCormick, A M Spicer

Article Affiliation:

D L McCormick


The activity of the lipoxygenase inhibitor, nordihydroguaiaretic acid (NDGA), as a cancer chemopreventive agent in the rat mammary gland was determined. Beginning 1 week after a single i.v. dose of 20 or 50 mg N-methyl-N-nitrosourea (MNU)/kg body wt., female Sprague-Dawley rats were fed a semi-purified diet supplemented with 0 or 1000 mg NDGA/kg diet. At both MNU dose levels, groups receiving NDGA developed significantly fewer mammary cancers than did dietary controls; NDGA induced no gross or organ-specific toxicity. These data implicate lipoxygenase products in the process of mammary cancer induction, and suggest an additional enzymatic target for the design of chemopreventive drugs.

Study Type : Animal Study

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