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  • Title: Different tissue concentrations and rates of synthesis of dolichol, dolichyl acyl esters, and dolichyl phosphate in mouse testes and preputial glands.
    Author: Potter JE, Kandutsch AA.
    Journal: Biochem Biophys Res Commun; 1983 Jan 27; 110(2):512-8. PubMed ID: 6838534.
    Abstract:
    The rates of synthesis and tissue concentrations of dolichol derivatives differ markedly in testes and preputial glands from adult C57BL/6J mice. In testes, the rates of free dolichol, dolichyl acyl esters, and dolichyl phosphate synthesis were approximately 5,000, 4,000 and 2,000 dpm/3h/g, respectively. Comparable rates for preputial glands were 12,000, 60,000 and 0 dpm/3h/g. Thus in testes, dolichyl phosphate represented 15-20% of total dolichol synthesis, whereas no de novo dolichyl phosphate synthesis was detected in preputial glands. In testes, free dolichol was the predominant derivative synthesized; in preputial glands, 80% of dolichol synthesized was esterified to fatty acids. The concentration of total dolichol (free alcohol plus acyl esters) was 160 micrograms/g tissue in testes and 1270 micrograms/g tissue in preputial glands. In both tissues, 85-90% of dolichol was esterified to fatty acids, and no dolichyl phosphate was detected.
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