期刊
EXPERIMENTAL GERONTOLOGY
卷 48, 期 7, 页码 654-660出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.exger.2012.07.005
关键词
Aging; Methionine restriction; Lipid metabolism; Adiposity; Insulin sensitivity; Sulfur amino acids; Oxidative stress
Restriction of dietary methionine by 80% slows the progression of aged-related diseases and prolongs lifespan in rodents. A salient feature of the methionine restriction phenotype is the significant reduction of adipose tissue mass, which is associated with improvement of insulin sensitivity. These beneficial effects of MR involve a host of metabolic adaptations leading to increased mitochondrial biogenesis and function, elevated energy expenditure, changes of lipid and carbohydrate homeostasis, and decreased oxidative damage and inflammation. This review summarizes observations from MR studies and provides insight about potential mediators of tissue-specific responses associated with MR's favorable metabolic effects that contribute to health and lifespan extension. (C) 2012 Elsevier Inc. All rights reserved.
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