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Influence of the HDL receptor SR-BI on atherosclerosis.

机译:HDL受体SR-BI对动脉粥样硬化的影响。

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摘要

The scavenger receptor class B, type I (SR-BI) is an HDL receptor that mediates selective cholesterol uptake from HDL to cells. In rodents, SR-BI has a critical influence on plasma HDL-cholesterol concentration and structure, the delivery of cholesterol to steroidogenic tissues, female fertility, and biliary cholesterol concentration. SR-BI can also serve as a receptor for non-HDL lipoproteins and appears to play an important role in reverse cholesterol transport. Recent studies involving the manipulation of SR-BI expression in mice, either using adenovirus-mediated or transgenic hepatic overexpression or using homologous recombination for complete functional ablation, indicate that the expression of SR-BI protects against atherosclerosis. If SR-BI has a similar activity in humans, it may become an attractive target for therapeutic intervention.
机译:B类清道夫受体I(SR-BI)是一种HDL受体,可介导HDL对细胞的选择性胆固醇摄取。在啮齿动物中,SR-BI对血浆HDL-胆固醇的浓度和结构,胆固醇向类固醇生成组织的输送,女性的生育能力和胆汁胆固醇的浓度具有至关重要的影响。 SR-BI还可以充当非HDL脂蛋白的受体,并且似乎在胆固醇逆向转运中起重要作用。最近的研究涉及使用腺病毒介导的或转基因的肝过表达或使用同源重组进行功能完全消融的小鼠中SR-BI表达的表达,表明SR-BI的表达可防止动脉粥样硬化。如果SR-BI在人类中具有类似的活性,它可能会成为治疗干预的有吸引力的靶标。

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