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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Cholesterol homeostasis in human brain: Evidence for an age-dependent flux of 24S-hydroxycholesterol from the brain into the circulation
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Cholesterol homeostasis in human brain: Evidence for an age-dependent flux of 24S-hydroxycholesterol from the brain into the circulation

机译:人脑中胆固醇的体内平衡:24S-羟基胆固醇从脑部进入循环系统的年龄依赖性通量的证据

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摘要

We have investigated whether side chain- hydroxylated cholesterol species are important for elimina- tion of cholesterol from the brain. Plasma concentrations of 24-hydroxycholesterol (24-OH-Chol) in the internal jugular vein and the brachial artery in healthy volunteers were consistent with a net flux of this steroid from the brain into the circulation, corresponding to elimination of ≈4 mg cho- lesterol during a 24-h period in adults.
机译:我们已经研究了侧链羟基化胆固醇物种对于消除大脑中的胆固醇是否重要。健康志愿者的颈内静脉和肱动脉血浆中的24-羟基胆固醇(24-OH-Chol)浓度与该类固醇从大脑进入循环系统的净通量一致,相当于消除了约4 mg胆甾醇成人24小时内的左旋甾醇。

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