上游充通大淫 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 Lipoprotein pathways Exogenous Endogenous Dietary fat Bile acid + M Cholesterol Intestine LDL Tissue Liver Chylomicron Remnant VLDL IDL HDL Lipoprotein Lipoprotein lipase lipase Fat FFA Fat FFA Muscle Muscle