4′‐Hydroxyflavanone suppresses activation of sterol regulatory element‐binding proteins and de novo lipid synthesis

4′‐Hydroxyflavanone suppresses activation of sterol regulatory element‐binding proteins and de novo lipid synthesis
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4-羟基黄烷酮抑制甾醇调节元件结合蛋白的激活和从头脂质合成

DOI:
10.1016/j.febslet.2012.04.060
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发表时间:
2012
期刊:
影响因子:
3.5
通讯作者:
R. Sato
R. Sato
中科院分区:
生物学3区
文献类型:
--
作者:
S. Miyata;J. Inoue;M. Shimizu;R. Sato

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甾醇调节元件结合蛋白(SREBPs)是调节脂肪酸和胆固醇生物合成相关基因表达的主要转录因子。本研究表明,4′-羟基黄酮(4′-HF)可损害人肝癌Huh-7细胞中脂肪酸合成酶启动子活性,降低SREBPs的激活及其靶基因的表达。此外,4′-HF抑制新生脂肪酸和胆固醇合成。本研究确定4′-HF是SREBP成熟和脂质合成的抑制剂,并提供证据表明4′-HF可能具有作为抗肝脂肪变性和血脂异常的药物制剂的主要潜力。
Sterol regulatory element-binding proteins (SREBPs) are major transcription factors that regulate the expression of genes involved in fatty acid and cholesterol biosynthesis. Here we show that 4′-hydroxyflavanone (4′-HF) impairs the fatty acid synthase promoter activity and reduces the activation of SREBPs and their target gene expression in human hepatoma Huh-7 cells. Moreover, 4′-HF suppresses de novo fatty acid and cholesterol synthesis. This study identifies 4′-HF as an inhibitor of SREBP maturation and lipid synthesis, and provides evidence that 4′-HF may have major potential as a pharmaceutical preparation against hepatic steatosis and dyslipidemia.
DOI: 10.1073/pnas.96.20.11041
发表时间: 1999-09-28
影响因子: 11.1
作者:
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发表时间: 2011-04-06
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