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Benzo[a]pyrene Metabolism by the Intertidal Sea Anemone, Bunodosoma cavernata

机译:潮间带海葵苯并[a] py的代谢

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摘要

Incubations of Bunodosoma cavernata microsomes with benzo[a]pyrene (B[a]P) and either NAD (P) H or tert-butyl hydroperoxide (t-BHP) produced several oxidative metabolites including: 3-OH-B[a]P; 4,5-,7,8-, and 9,10 B[a]P-diols; 1,6-, 3.6-, and 6,12-B[a]P-diones; B[a]P-tetrols; and B[a]P-diol epoxides. NADPH-dependent rates of B[a]P metabolism were approximately 70/100 greater than with NADH. The t-BHP-dependent reaction proceeded approximately 67-fold faster than the NAD(P)H-dependent reactions and pro- duced primarily diols.
机译:与苯并[a]((B [a] P)和NAD(P)H或氢过氧化叔丁基(t-BHP)一起孵育海绵状布尼多索玛微粒体产生了几种氧化代谢产物,包括:3-OH-B [a] P ; 4,5-,7,8-和9,10 B [a] P-二醇; 1,6-,3.6-和6,12-B [a] P-二酮; B [a] P-四元;和B [a] P-二醇环氧化物。 NADPH依赖的B [a] P代谢速率比NADH大约高70/100。 t-BHP依赖的反应比NAD(P)H依赖的反应快约67倍,主要生成二醇。

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