Interplay between lipids and branched-chain amino acids in development of insulin resistance.

Interplay between lipids and branched-chain amino acids in development of insulin resistance.
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DOI:
10.1016/j.cmet.2012.01.024
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发表时间:
2012-05-02
期刊:
影响因子:
29
通讯作者:
Newgard CB
Newgard CB
中科院分区:
生物学1区
文献类型:
--
作者:
Newgard CB

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脂肪酸(FA)和脂肪酸衍生代谢物长期以来一直与胰岛素抵抗和2型糖尿病的发生有关。令人惊讶的是,代谢组学技术的应用表明,支链氨基酸(BCAA)和相关代谢物与胰岛素抵抗的关系比许多常见的脂质物质更密切。此外,支链氨基酸相关的签名是预测事件糖尿病和干预结果,并独特地响应于治疗干预。然而,在动物饲养研究中,BCAA补充剂需要高脂肪饮食的背景,以促进胰岛素抵抗。这篇文章开发了一个模型来解释脂质和BCAA如何协同促进代谢疾病。
Fatty acids (FA) and FA-derived metabolites have long been implicated in the development of insulin resistance and type 2 diabetes. Surprisingly, application of metabolomics technologies has revealed that branched-chain amino acids (BCAA) and related metabolites are more strongly associated with insulin resistance than many common lipid species. Moreover, the BCAA-related signature is predictive of incident diabetes and intervention outcomes, and uniquely responsive to therapeutic interventions. Nevertheless, in animal feeding studies, BCAA supplementation requires the background of a high-fat diet to promote insulin resistance. This article develops a model to explain how lipids and BCAA may synergize to promote metabolic diseases.
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