Journal of the American College of Nutrition, Vol 14, Issue 4 325-335, Copyright © 1995 by American College of Nutrition

JOURNAL ARTICLE

Fish oil, lipid peroxidation and mammary tumor growth

M. J. Gonzalez
University of Puerto Rico, School of Public Health, Dept. Human Development, San Juan 00936.

There is evidence that the level and especially the type of dietary fat can be an important determinant of mammary tumor development and growth. Diets containing high levels of fish oil have been shown to inhibit or suppress mammary tumor growth. Various mechanisms have been proposed to explain this modulatory activity of dietary fish oil or fats in general on tumor growth; of special interest is lipid peroxidation. The oxidation of long chain polyunsaturated fatty acids present in fish oil, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) can produce an array of secondary products of lipid oxidation that may possess a cytostatic or cytolytic capacity.

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