DNA Methylation Clocks in Aging: Categories, Causes, and Consequences.

DNA Methylation Clocks in Aging: Categories, Causes, and Consequences.
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DOI:
10.1016/j.molcel.2018.08.008
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发表时间:
2018-09-20
期刊:
影响因子:
16
通讯作者:
Adams PD
Adams PD
中科院分区:
生物学1区
文献类型:
--
作者:
Field AE;Robertson NA;Wang T;Havas A;Ideker T;Adams PD

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哺乳动物DNA甲基组与年龄相关的变化已被充分记录,并被认为会促进衰老疾病,如癌症。最近的研究已经确定了个体甲基化位点的集合,其甲基化状态的总和可以衡量实际年龄,被称为DNA甲基化时钟。DNA甲基化也可能作为健康与不健康衰老和疾病风险的生物标志物具有价值;换句话说,就是生物钟。在这里,我们考虑了时间和生物钟之间的关系,它们的潜在机制,潜在后果,以及它们作为生物标志物的效用,以及作为促进健康衰老和长寿的干预目标。
Age-associated changes to the mammalian DNA methylome are well documented and thought to promote diseases of aging, such as cancer. Recent studies have identified collections of individual methylation sites whose aggregate methylation status measures chronological age, referred to as the DNA methylation clock. DNA methylation may also have value as a biomarker of healthy versus unhealthy aging and disease risk; in other words, a biological clock. Here we consider the relationship between the chronological and biological clocks, their underlying mechanisms, potential consequences, and their utility as biomarkers and as targets for intervention to promote healthy aging and longevity.
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