Foam CellsMacrophagesLipoproteins, LDLATP Binding Cassette Transporter 1AtherosclerosisCholesterol EstersCholesterolMacrophages, PeritonealScavenger Receptors, Class AAntigens, CD36ArteriosclerosisATP-Binding Cassette TransportersApolipoproteins EMacrophage ActivationCells, CulturedKetocholesterolsApolipoprotein A-ISterol EsteraseSterol O-AcyltransferaseMonocytesLipid MetabolismLipoproteins, HDLReceptors, ScavengerPinocytosisAcetyl-CoA C-AcetyltransferaseScavenger Receptors, Class BLipoproteinsMice, Inbred C57BLOrphan Nuclear ReceptorsCell LineMice, KnockoutChymasesReceptors, LipoproteinBiological TransportGroup V Phospholipases A2AortaMacrophages, AlveolarReceptors, LDL