The lipid composition of human liver microsomes
Copyright policy )The lipid composition of human liver microsomes
AbstractThe lipid composition of human liver microsomes isolated from liver biopsy samples obtained at abdominal surgery has been determined. Human liver microsomal phospholipid is composed of 49% phosphatidylcholine, 31% phosphatidylethanolamine, 14% phosphatidylserine+phosphatidylinositol and 6% sphingomyelin, very similar to the phospholipid composition of rat liver microsomes. The fatty acid composition of human liver microsomes is remarkable only for its content of polyunsaturated fatty acids, with 20% of the fatty acids consisting of arachidonic, docosatetraenoic, docosapentaenoic and docosahexaenoic acids. This value contrasts with 33% in rats and 9% in rabbits. The molar cholesterol/phospholipid ratio in human liver microsomes is 0.069, similar to the ratio in rat and rabbit microsomes.
- University of California, San Francisco United States
Male, Cholesterol, Biopsy, Fatty Acids, Microsomes, Liver, Humans, Middle Aged, Phospholipids, Aged
Male, Cholesterol, Biopsy, Fatty Acids, Microsomes, Liver, Humans, Middle Aged, Phospholipids, Aged
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