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Mutat Res. 1992 Jun;267(2):157-72.

Antimutagenicity profiles of some natural substances.

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Department of Biological Sciences, Illinois State University, Normal 61761.


Selected antimutagenicity listings and profiles have been prepared from the literature on the antimutagenicity of retinoids and the carotenoid beta-carotene. The antimutagenicity profiles show: (1) a single antimutagen (e.g., retinol) tested in combination with various mutagens or (2) antimutagens tested against a single mutagen (e.g., aflatoxin B1). Data are presented in the profiles showing a dose range for a given antimutagen and a single dose for the corresponding mutagen; inhibition as well as enhancement of mutagenic activity is indicated. Information was found in the literature on the testing of selected combinations of 16 retinoids and carotenoids vs. 33 mutagens. Of 528 possible antimutagen-mutagen combinations, only 82 (16%) have been evaluated. The most completely evaluated retinoids are retinol (28 mutagens), retinoic acid and retinol acetate (7 mutagens each), and retinal and retinol palmitate (6 mutagens each). beta-Carotene is the most frequently tested carotenoid (15 mutagens). Of the remaining retinoids and carotenoids, 8 were evaluated in combination with a single mutagen and the other 2 were tested against only 2 or 3 mutagens. Most of the data on antimutagenicity in vitro are available for S. typhimurium strains TA98 and TA100. Substantial data also are available for sister-chromatid exchanges in vitro and chromosome aberrations in vitro and in vivo. This report emphasizes the metabolic as well as the antimutagenic effects of retinoids in vitro and in vivo.

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