ATP-Binding Cassette Transporters/metabolism; Cholesterol/metabolism; Glyburide/pharmacology; Hypoglycemic Agents/pharmacology; Scavenger Receptors, Class B/metabolism; ATP-Binding Cassette Transporters/antagonists & inhibitors; ATP-Binding Cassette Transporters/genetics; Animals; Biological Transport; Blotting, Western; Cells, Cultured; Cricetinae; HEK293 Cells; Humans; In Vitro Techniques; Liver/cytology; Liver/drug effects; Liver/metabolism; Macrophages/cytology; Macrophages/drug effects; Macrophages/metabolism; Macrophages, Peritoneal/cytology; Macrophages, Peritoneal/drug effects; Macrophages, Peritoneal/metabolism; Male; Mice; Mice, Inbred C57BL; RNA, Messenger/genetics; Reverse Transcriptase Polymerase Chain Reaction; Scavenger Receptors, Class B/antagonists & inhibitors; Scavenger Receptors, Class B/genetics