饮食与减少表观遗传年龄的关联:甲基化饮食和生活方式研究的二次数据分析
Jamie L Villanueva1,2, Alexandra Adorno Vita2,3, Heather Zwickey2
1School of Nursing, University of Washington, Seattle, WA 98195, USA.
Aging
|April 23, 2025
概括
某些富含多的食物,称为甲基适配剂,与减少表观遗传衰老标志物有关. 这表明饮食干预可能会影响生物衰老,独立于减肥.
科学领域:
- 营养科学 营养科学
- 老年学是一门学科.
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- 衰老是慢性疾病的关键风险因素,推动了针对衰老过程的干预措施的需求.
- 基于DNA甲基化的表观遗传钟,用于测量干预研究中的生物衰老.
- 甲基化饮食和生活方式研究观察到表观遗传年龄的减少,但具有显著的变异性.
研究的目的:
- 为了确定与表观遗传年龄的变化相关的特定饮食成分.
- 探索导致表观遗传衰老变化的因素,包括体重变化和基线年龄差异.
主要方法:
- 使用等级线性回归分析来评估饮食成分与表观遗传年龄变化之间的关联.
- 研究了富含多的特定食物,被归类为甲基适应原体.
- 对基线表观遗传年龄加速和体重变化进行了控制.
主要成果:
- 被归类为甲基适应因子的食物 (绿茶,乌龙茶,黄,迷香,大,果) 显示出与降低表观遗传年龄 (B = -1.24) 的显著线性关联.
- 在控制基线表观遗传年龄加速和体重变化后,这种关联仍然显著.
- 干预组的体重减轻与表观遗传年龄的变化没有独立相关.
结论:
- 摄入甲基适配原食物可能是减少生物衰老标志物的可行策略.
- 针对表观遗传衰老的饮食干预措施可能独立于显著的体重减少而有效.
- 对特定的食品成分及其对表观遗传修饰的影响进行进一步的研究是有必要的.
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