title: Free cholesterol not carried by lipoproteins in human serum.
abstract: Considerable amounts of nonesterified cholesterol were found in human serum freed from lipoproteins. This cholesterol, when incubated with synaptosomal plasma membranes of dog brain, evokes changes of the ouabain-sensitive ATPase activity, as the exogenously added cholesterol does.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002784:Cholesterol / Q000097:blood*; D002849:Chromatography, Gas; D004285:Dogs; D004586:Electrophoresis; D005260:Female; D005609:Free Radicals; D006801:Humans; D007425:Intracellular Membranes / Q000032:analysis; D008074:Lipoproteins / Q000097:blood*; D008297:Male; D013574:Synaptosomes / Q000032:analysis; D014461:Ultracentrifugation
chemical_list: D005609:Free Radicals; D008074:Lipoproteins; D002784:Cholesterol