Glucuronidation of oxygenated benzo(a)pyrene derivatives by UDP-glucuronyl transferase of nuclear envelope.

Glucuronidation of oxygenated benzo(a)pyrene derivatives by UDP-glucuronyl transferase of nuclear envelope.
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核膜的 UDP-葡萄糖醛酸基转移酶对氧化苯并(a)芘衍生物进行葡萄糖醛酸化。

DOI:
10.1016/0006-291x(81)91879-9
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发表时间:
1981
影响因子:
3.1
通讯作者:
Gessner,T
Gessner,T
中科院分区:
生物学4区
文献类型:
--
作者:
Bansal,SK;Zaleski,J;Gessner,T

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几种苯并(a)芘酚、二氢二醇、环氧化物、醌类和二氯环氧化物被测试为位于大鼠肝核膜部分的udp -葡萄糖醛基转移酶的可能底物。在实验条件下,只有苯并(a)芘的酚类衍生物作为核膜转移酶的底物。在核膜制备中观察到的特定活性大于或等于微粒体部分的活性,表明核室中存在非常有效的这些酚类解毒机制。
Several benzo(a)pyrene phenols, dihydrodiols, epoxides, quinones, and a diolepoxide were tested as possible substrates for UDP-glucuronyltransferase located in rat liver nuclear envelope fraction. Only phenolic derivatives of benzo(a)pyrene served as substrates for the nuclear membrane transferase, under the conditions tested. The specific activities observed in nuclear envelope preparations were greater than or equal to, those of the microsomal fraction indicating that a very effective detoxication mechanism for these phenols is present in the nuclear compartment.
大鼠肝核膜的环氧化物水酶和混合功能氧化酶活性。
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影响因子: 3.9
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