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大鼠睾丸不同区室中孕酮结合细胞色素P450和类固醇17α-羟化酶/C-17,20-裂解酶的分布

Distribution of progesterone-binding cytochrome P450 and steroid-17 alpha-hydroxylase/C-17,20-lyase within different compartments of the rat testis.

作者信息

Kühn-Velten N, Staib W

出版信息

FEBS Lett. 1983 Apr 5;154(1):70-4. doi: 10.1016/0014-5793(83)80877-1.

DOI:10.1016/0014-5793(83)80877-1
PMID:6601032
Abstract

Progesterone-binding capacity of cytochrome P450 and rate of progesterone consumption by cytochrome P450-dependent hydroxylases are highest in the Leydig cell fraction but are also detectable in the non-Leydig cell fraction of interstitial cells as well as in seminiferous tubules from rat testis. The Leydig cell compartment, however, contributes only to a minor extent to the total progesterone binding and hydroxylation within the whole testis.

摘要

细胞色素P450的孕酮结合能力以及细胞色素P450依赖性羟化酶的孕酮消耗率在睾丸间质细胞的间质细胞组分中最高,但在间质细胞的非间质细胞组分以及大鼠睾丸的生精小管中也可检测到。然而,间质细胞组分对整个睾丸内孕酮的总结合和羟化作用仅占很小一部分。

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1
Distribution of progesterone-binding cytochrome P450 and steroid-17 alpha-hydroxylase/C-17,20-lyase within different compartments of the rat testis.大鼠睾丸不同区室中孕酮结合细胞色素P450和类固醇17α-羟化酶/C-17,20-裂解酶的分布
FEBS Lett. 1983 Apr 5;154(1):70-4. doi: 10.1016/0014-5793(83)80877-1.
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Microsomal cytochrome P-450 from neonatal pig testis: two enzymatic activities (17 alpha-hydroxylase and c17,20-lyase) associated with one protein.新生猪睾丸微粒体细胞色素P-450:一种蛋白质具有两种酶活性(17α-羟化酶和17,20-裂解酶)
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引用本文的文献

1
Specific accumulation of 17 alpha-hydroxyprogesterone in microsomal membranes during the process of cytochrome P-450(C-17)-catalysed androgen biosynthesis. A dynamic study of intermediate formation and turnover.细胞色素P-450(C-17)催化雄激素生物合成过程中微粒体膜内17α-羟孕酮的特异性积累。中间产物形成与周转的动态研究。
Biochem J. 1988 Nov 15;256(1):53-9. doi: 10.1042/bj2560053.