Abstract
Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in the form of triacylglycerol (TG) were dose dependently incorporated into phospholipid fraction of vascular smooth muscle cells (VSMC) and suppressed the proliferation of VSMC. Flow cytometric analysis demonstrated both EPA and DHA inhibited G1/S progression. EPA and DHA inhibited the phosphorylation of Cdk2 protein and Cdk2 kinase activity without altering the amount of cyclin E and p27kip1proteins and cyclin dependent kinase activating kinase activity by growth stimulation. This mechanisms remained to be clarified but this is the first report of a novel mechanisms of inhibition of DNA synthesis by EPA and DHA.
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