Effect of Purines on Epinephrine-induced Lipolysis in Adipose Tissue

The purine bases hypoxanthine, xanthine, guanine, and purine markedly inhibit epinephrine-induced lipolysis in rat adipose tissue, an action previously ascribed only to nucleosides, nucleotides, and nucleic acids. The inhibition by purines and purine conjugates is associated with increased destructi...

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Veröffentlicht in:The Journal of biological chemistry 1966-10, Vol.241 (20), p.4781-4786
Hauptverfasser: Raben, M S, Matsuzaki, F
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container_title The Journal of biological chemistry
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creator Raben, M S
Matsuzaki, F
description The purine bases hypoxanthine, xanthine, guanine, and purine markedly inhibit epinephrine-induced lipolysis in rat adipose tissue, an action previously ascribed only to nucleosides, nucleotides, and nucleic acids. The inhibition by purines and purine conjugates is associated with increased destruction of epinephrine. Allopurinol, an inhibitor of xanthine oxidase, prevents the degradation of epinephrine and prevents or reduces the inhibition of lipolysis. The stimulatory effect of some purine bases on epinephrine-induced lipolysis is confirmed, and the stimulatory effect is shown to occur in human adipose tissue and in tissue of hypophysectomized and thyroidectomized rats.
doi_str_mv 10.1016/S0021-9258(18)99713-9
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subjects Adenine - pharmacology
Adipose Tissue - drug effects
Adipose Tissue - metabolism
Adrenocorticotropic Hormone - pharmacology
Animals
Caffeine - pharmacology
Enzymes - pharmacology
Epinephrine - pharmacology
Fatty Acids - metabolism
Guanine - pharmacology
Hypoxanthines - pharmacology
In Vitro Techniques
Lipid Metabolism
Purines - pharmacology
Rats
Uric Acid - metabolism
Xanthines - pharmacology
title Effect of Purines on Epinephrine-induced Lipolysis in Adipose Tissue
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