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-3 Fatty Acids1,2
Laboratory for Translational Research and Department of Medicine, Harvard Medical School and Brigham and Womans Hospital, Boston, MA 02115
3To whom correspondence should be addressed. E-mail: jose_halperin{at}hms.harvard.edu.
The incidence of some cancers shows dramatic variations around the world that cannot be explained by ethnic or racial differences. Observational studies point to a negative correlation between consumption of fish and incidence of breast and prostate cancer. In vitro and animal model studies indicate that (
-3) PUFAs present at high concentrations in marine animals inhibit proliferation of cancer cells and growth of tumors. However, how these fatty acids inhibit cell proliferation and tumor growth is a matter of considerable debate. In this review we summarize our recent work indicating that Ca++ depletion mediated phosphorylation of the alpha subunit of eIF2 and subsequent inhibition of translation initiation account for the anti-cancer activity of (
-3) PUFAs.
KEY WORDS: (
-3) PUFA translation initiation ternary complex cancer
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