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人类代谢率和能量消耗中的线粒体 DNA 变异。

Mitochondrial DNA variation in human metabolic rate and energy expenditure.

机构信息

California Pacific Medical Center Research Institute, San Francisco, CA, 94107, USA.

出版信息

Mitochondrion. 2011 Nov;11(6):855-61. doi: 10.1016/j.mito.2011.04.005. Epub 2011 May 9.

Abstract

The role of climate in driving selection of mtDNA as Homo sapiens migrated out of Africa into Eurasia remains controversial. We evaluated the role of mtDNA variation in resting metabolic rate (RMR) and total energy expenditure (TEE) among 294 older, community-dwelling African and European American adults from the Health, Aging and Body Composition Study. Common African haplogroups L0, L2 and L3 had significantly lower RMRs than European haplogroups H, JT and UK with haplogroup L1 RMR being intermediate to these groups. This study links mitochondrial haplogroups with ancestry-associated differences in metabolic rate and energy expenditure.

摘要

气候在人类从非洲迁移到欧亚大陆的过程中对 mtDNA 选择的作用仍然存在争议。我们评估了线粒体 DNA 变异在静息代谢率 (RMR) 和总能量消耗 (TEE) 中的作用,研究对象为来自健康、衰老和身体成分研究的 294 名年龄较大的、居住在社区的非洲裔美国人和欧洲裔美国人。常见的非洲单倍群 L0、L2 和 L3 的 RMR 明显低于欧洲单倍群 H、JT 和 UK,而单倍群 L1 的 RMR 介于这两组之间。本研究将线粒体单倍群与与代谢率和能量消耗相关的遗传起源差异联系起来。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6702/3998521/c5c8e09ea5ea/nihms-571390-f0001.jpg

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