期刊
MECHANISMS OF AGEING AND DEVELOPMENT
卷 204, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.mad.2022.111676
关键词
Aging; DNA methylation; Epigenetics; Machine learning; Artificial intelligence
资金
- Chosun University
The abundance of biological data and advancements in machine learning have boosted epigenetics research. This study developed a pan tissue methylation-aging clock using public datasets, accurately predicting the age of multiple tissues and providing evidence for the antagonistic pleiotropy theory of aging.
The abundance of the biological data and the rapid evolution of the newer machine learning technologies have increased the epigenetics research in the last decade. This has enhanced the ability to measure the biological age of humans and different organisms via their omics data. DNA methylation array data are commonly used in the prediction of methylation age. Horvath clock has been adopted in various aging studies as a DNA methylation age predicting clock due to its higher accuracy and multi tissue prediction potential. In the current study, we have developed a pan tissue methylation-aging clock by using the publicly available illumina 450k and EPIC array methylation datasets. In doing that, we developed a highly accurate epigenetic clock, which predicts the age of multiple tissues with higher accuracy. We have also analyzed the selected probes for their biological relevance. Upon analyzing the selected features further, we found out evidences, which support the Antagonistic pleiotropy theory of aging.
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