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代谢健康型肥胖能否通过饮食、基因和炎症来解释?

Can metabolically healthy obesity be explained by diet, genetics, and inflammation?

作者信息

Navarro Estanislau, Funtikova Anna N, Fíto Montserrat, Schröder Helmut

机构信息

Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain.

出版信息

Mol Nutr Food Res. 2015 Jan;59(1):75-93. doi: 10.1002/mnfr.201400521.

Abstract

A substantial proportion of obese individuals do not present cardiometabolic complications such as diabetes, hypertension, or dyslipidemia. Some, but not all, prospective studies observe similar risk of cardiovascular events and all-cause mortality among individuals with this so-called "metabolically healthy obese" (MHO) phenotype, compared to the metabolically healthy normal weight or metabolically healthy non-obese phenotypes. Compared to the metabolically unhealthy obese (MUO) phenotype, MHO is often characterized by a more favorable inflammatory profile, less visceral fat, less infiltration of macrophages into adipose tissue, and smaller adipocyte cell size. Tipping the inflammation balance in adipose tissue might be particularly important for metabolic health in the obese. While the potential role of genetic predisposition or lifestyle factors such as diet in the MHO phenotype is yet to be clarified, it is well known that diet affects inflammation profile and contributes to the functionality of adipose tissue. This review will discuss genetic predisposition and the molecular mechanisms underlying the potential effect of food on the development of the metabolic phenotype characteristic of obesity.

摘要

相当一部分肥胖个体并未出现糖尿病、高血压或血脂异常等心血管代谢并发症。一些(但并非全部)前瞻性研究观察到,与代谢健康的正常体重或代谢健康的非肥胖表型相比,具有这种所谓“代谢健康肥胖”(MHO)表型的个体发生心血管事件和全因死亡的风险相似。与代谢不健康的肥胖(MUO)表型相比,MHO的特征通常是炎症状态更有利、内脏脂肪更少、巨噬细胞向脂肪组织的浸润更少以及脂肪细胞尺寸更小。打破脂肪组织中的炎症平衡可能对肥胖个体的代谢健康尤为重要。虽然遗传易感性或饮食等生活方式因素在MHO表型中的潜在作用尚待阐明,但众所周知,饮食会影响炎症状态并有助于脂肪组织的功能。本综述将讨论遗传易感性以及食物对肥胖特征性代谢表型发展潜在影响的分子机制。

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