在青少年中表观遗传年龄的血液转录学关联
Dennis Khodasevich1, Anne K Bozack1, Saher Daredia2
1Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA, USA.
Epigenetics
|May 16, 2025
概括
青少年的表观遗传钟显示了与基因表达的共同关联,突出了生物相关性. 这些发现有助于为青年研究选择表观遗传衰老生物标志物.
科学领域:
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 基因组学就是基因组学.
- 青少年健康 青少年健康
背景情况:
- 生命早期的表观遗传衰老尚未得到充分研究,但基因表达模式提供了生物学见解.
- 基因甲基化和RNA测序是表观遗传衰老的关键工具.
研究的目的:
- 调查表观遗传钟与青少年基因表达之间的关联.
- 在生命早期识别生物学相关的表观遗传衰老生物标志物.
主要方法:
- 在174名青少年 (14-15岁) 中利用Illumina EPICv1.0阵列进行DNA甲基化和RNA测序.
- 计算了13个表观遗传钟,并使用limma-voom测试了与转录组全方位RNA表达的关联.
- 在一个独立的成年人样本 (40-54岁) 中重复发现.
主要成果:
- 在表观遗传钟和RNA表达之间发现了共同的关联,包括MYO6和ZBTB38.
- 生物钟与比时间钟更差异地表达的基因相关.
- 主要组件时钟显示的基因关联比他们CpG训练的同行更多.
结论:
- 表观遗传钟在青少年中显示出生物学相关性.
- 这些发现指导了青少年研究表观遗传衰老生物标志物的选择.
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