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Oxidized Low Density Lipoprotein And Lysophosphatidylcholine Stimulate Cell Cycle Entry In Vascular Smooth Muscle Cells - Evidence For Release Of Fibroblast Growth Factor-2., Yuh-Cherng Chai, Philip Howe, Paul Dicorletto, Guy Chisolm
Oxidized Low Density Lipoprotein And Lysophosphatidylcholine Stimulate Cell Cycle Entry In Vascular Smooth Muscle Cells - Evidence For Release Of Fibroblast Growth Factor-2., Yuh-Cherng Chai, Philip Howe, Paul Dicorletto, Guy Chisolm
Yuh-Cherng Chai
We have previously shown that oxidized low density lipoprotein (LDL) but not native LDL stimulated DNA synthesis in cultured smooth muscle cells (SMC) and that α-tocopherol (vitamin E) inhibited this proliferative response (Lafont, A., Chai, Y. C., Cornhill, J. F., Whitlow, P. L., Howe, P. H., and Chisolm, G. M. (1995) J. Clin. Invest. 95, 1018-1025). The moiety of oxidized LDL that stimulates DNA synthesis and the cellular mechanism for this potentially mitogenic effect are not known. We now report that lipid fractions containing lysophospholipids from oxidized LDL or phospholipase A2-treated native LDL stimulated SMC DNA synthesis as did palmitoyl …