1Lipid Droplet Structural ProteinsFatty AcidsActivationBscl2Acyl-CoADAGAcsl1Plin2Aup1Fatty AcidsFitm2CholesterolAcsl3Acsl4PhosphatidicAcidGlycerolPnpla2TriglyceridesCholesterol EstersDgat1Dgat2Soat1Soat2LipaLipaLysoPhosphatidicAcidGlycerol-3-PDHA-PGkGpat2Agpat3Agpat1Agpat4Agpat2Agpat5Lpin1Lpin2Lpin3Gpd1Gpd2