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在激素和抗激素存在的情况下,孕酮和嵌合受体对甲胎蛋白基因启动子的抑制作用。

Repression of the alpha-fetoprotein gene promoter by progesterone and chimeric receptors in the presence of hormones and antihormones.

作者信息

Turcotte B, Meyer M E, Bocquel M T, Bélanger L, Chambon P

机构信息

Unité 184 de Biologie Moléculaire et de Génie Génétique de l'Institut National de la Santé et de la Recherche Médicale, Faculté de Médecine, Institut de Chimie Biologique, Strasbourg, France.

出版信息

Mol Cell Biol. 1990 Sep;10(9):5002-6. doi: 10.1128/mcb.10.9.5002-5006.1990.

DOI:10.1128/mcb.10.9.5002-5006.1990
PMID:1697036
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC361135/
Abstract

Using transient transfection assays, we showed that repression of the alpha-fetoprotein promoter by intact and deletion mutants of the progesterone receptor and by chimeric progesterone/glucocorticoid-estrogen receptors in the presence of their cognate hormones was closely correlated with their ability to bind to a progesterone/glucocorticoid-responsive element. This negative regulation was also observed in the presence of antihormones, providing evidence that receptor-antihormone complexes can bind to their responsive elements in vivo.

摘要

通过瞬时转染分析,我们发现,在存在其同源激素的情况下,孕酮受体的完整和缺失突变体以及嵌合的孕酮/糖皮质激素 - 雌激素受体对甲胎蛋白启动子的抑制作用与其结合孕酮/糖皮质激素反应元件的能力密切相关。在存在抗激素的情况下也观察到这种负调控,这证明受体 - 抗激素复合物在体内可以结合其反应元件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fde/361135/95df048ff27f/molcellb00045-0576-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fde/361135/95df048ff27f/molcellb00045-0576-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6fde/361135/95df048ff27f/molcellb00045-0576-a.jpg

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1
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本文引用的文献

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Glucocorticoid regulation of pro-opiomelanocortin gene transcription in the rat pituitary.糖皮质激素对大鼠垂体中阿片促黑激素皮质素原基因转录的调控
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Agonistic and antagonistic activities of RU486 on the functions of the human progesterone receptor.RU486对人孕酮受体功能的激动和拮抗活性。
EMBO J. 1990 Dec;9(12):3923-32. doi: 10.1002/j.1460-2075.1990.tb07613.x.
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Two types of antiprogestins identified by their differential action in transcriptionally active extracts from T47D cells.通过它们在T47D细胞转录活性提取物中的差异作用鉴定出两种抗孕激素。
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人雌激素受体cDNA:序列、表达及与v-erb-A的同源性
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Functional domains of the human estrogen receptor.人类雌激素受体的功能结构域。
Cell. 1987 Dec 24;51(6):941-51. doi: 10.1016/0092-8674(87)90581-2.
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Glucocorticoids control phosphoenolpyruvate carboxykinase gene expression in a tissue specific manner.糖皮质激素以组织特异性方式控制磷酸烯醇式丙酮酸羧激酶基因的表达。
Nucleic Acids Res. 1987 Aug 25;15(16):6405-17. doi: 10.1093/nar/15.16.6405.
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The effects of dexamethasone on in vitro collagen gene expression.
J Biol Chem. 1987 May 25;262(15):6955-8.
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An estrogen-responsive element derived from the 5' flanking region of the Xenopus vitellogenin A2 gene functions in transfected human cells.源自非洲爪蟾卵黄蛋白原A2基因5'侧翼区域的雌激素反应元件在转染的人类细胞中发挥作用。
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The chicken progesterone receptor: sequence, expression and functional analysis.鸡孕激素受体:序列、表达及功能分析
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The hormone-binding domains of the estrogen and glucocorticoid receptors contain an inducible transcription activation function.雌激素和糖皮质激素受体的激素结合结构域含有一种可诱导的转录激活功能。
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