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ACTH Regulation of Adrenal SR-B1

机译:肾上腺SR-B1的ACTH法规

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The adrenal gland is one of the prominent sites for steroid hormone synthesis. Lipoprotein-derived cholesterol esters (CEs) delivered via SR-B1 constitute the dominant source of cholesterol for steroidogenesis, particularly in rodents. Adrenocorticotropic hormone (ACTH) stimulates steroidogenesis through downstream actions on multiple components involved in steroidogenesis. Both acute and chronic ACTH treatments can modulate SR-B1 function, including its transcription, posttranscriptional stability, phosphorylation and dimerization status, as well as the interaction with other protein partners, all of which result in changes in the ability of SR-B1 to mediate HDL-CE uptake and the supply of cholesterol for conversion to steroids. Here, we provide a review of the recent findings on the regulation of adrenal SR-B1 function by ACTH.
机译:肾上腺是类固醇激素合成的重要部位之一。通过SR-B1传递的脂蛋白衍生的胆固醇酯(CEs)是类固醇生成的胆固醇的主要来源,尤其是在啮齿动物中。促肾上腺皮质激素(ACTH)通过对参与类固醇生成的多种成分的下游作用来刺激类固醇生成。急性和慢性ACTH治疗均可调节SR-B1的功能,包括其转录,转录后稳定性,磷酸化和二聚化状态,以及与其他蛋白质伴侣的相互作用,所有这些都会导致SR-B1介导的能力发生变化。 HDL-CE的摄取和胆固醇的转化为类固醇的供应。在这里,我们提供了有关ACTH调节肾上腺SR-B1功能的最新发现的综述。

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