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身体活动和身体组成的分子影响:系统性审查和元分析
Jenni Chambers1,2, Clare M P Roscoe2, Corinna Chidley2
1Biomedical and Clinical Sciences, School of Science, University of Derby, Derby DE22 1GB, UK.
身体活动 (PA) 通过改变DNA甲基化来影响公共健康. 这项元分析确定了与代谢相关的CpG位点和基因,突出了PA的分子影响.
科学领域:
- 表观遗传学与公共卫生
- 分子生物学分子生物学
- 代谢研究研究 代谢研究
背景情况:
- 身体活动 (PA) 和身体成分是公共健康的关键决定因素.
- 以前的研究表明,在身体活跃的个体中,DNA甲基化差异存在.
- 了解这些表观遗传变化对于公共卫生干预至关重要.
研究的目的:
- 为了确定与不同程度的体力活动相关的特定CpG位点.
- 探索身体活动诱导的DNA甲基化影响的代谢途径.
- 提供与身体活动相关的表观基因组变化的全面概述.
主要方法:
- 一个系统的元分析,遵循PRISMA指南,搜索多个科学数据库.
- 包括健康参与者的研究中的表观遗传学数据,使用Rayyan AI进行选.
- 使用EWAS目录确认CpG位点和基因.
主要成果:
- 包括770名参与者的6项研究,揭示了PA干预后BMI,血压,胰岛素和葡萄糖水平的显著改善.
- 在身体活跃的个体中,共确定了257个差异甲基化的CpG位点.
- 134个CpG映射到92个参与肥胖相关途径的基因,特别是脂质代谢和胰岛素信号.
结论:
- 身体活动会诱导不同的DNA甲基化特征,影响代谢基因.
- 像JAZF1和NAV1这样的基因在组织和研究中显示出差异性调节,影响关键的代谢途径.
- 建议对这些候选基因进行进一步研究,以充分阐明体育活动的分子益处.
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