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  • Title: Fatty acid profiles of phospholipids in rabbit and bovine dental pulp.
    Author: Larson LR, Ellingson JS.
    Journal: Biochim Biophys Acta; 1977 Mar 25; 486(3):437-43. PubMed ID: 856285.
    Abstract:
    The fatty acid profiles of purified phospholipids were similar in dental pulp from rabbit and bovine teeth. The characteristic fatty acid profile of each phospholipid was similar to that found in several other mammalian tissues. The ethanolamine phosphoglycerides had high levels of arachidonic acid and docosapolyenoic acids. Phosphatidylserine and phosphatidic acid contained high amounts of stearic acid and low levels of polyunsaturated fatty acids. Phosphatidylcholine and sphingomyelin contained high amounts of palmitic acid and low levels of C20 and C22 unsaturated fatty acids, and sphingomyelin contained C24 fatty acids. Phosphatidylinositol contained mainly stearic, oleic, and arachidonic acids. The fatty acid compositions of the purified pulp phospholipids are markedly different from those reported for dentin lipids which have been reported to contain little or no arachidonic acid and docosapolyenoic acids. The possible significance of the polyunsaturated fatty acids and phospholipids in tooth formation and maintenance is discussed.
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