期刊
NATURE REVIEWS GENETICS
卷 23, 期 6, 页码 369-383出版社
NATURE PORTFOLIO
DOI: 10.1038/s41576-022-00465-w
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资金
- Medical Research Council Integrative Epidemiology Unit at the University of Bristol [MC_UU_00011/1]
- Cancer Research UK programme [C18281/A29019]
- NIHR Biomedical Research Centre at University Hospitals Bristol
- Weston NHS Foundation Trust
- University of Bristol
DNA methylation data is a valuable source for biomarker development, as it varies dynamically in response to various factors and has been widely used in prediction and early detection in diverse health-related fields.
DNA methylation data have become a valuable source of information for biomarker development, because, unlike static genetic risk estimates, DNA methylation varies dynamically in relation to diverse exogenous and endogenous factors, including environmental risk factors and complex disease pathology. Reliable methods for genome-wide measurement at scale have led to the proliferation of epigenome-wide association studies and subsequently to the development of DNA methylation-based predictors across a wide range of health-related applications, from the identification of risk factors or exposures, such as age and smoking, to early detection of disease or progression in cancer, cardiovascular and neurological disease. This Review evaluates the progress of existing DNA methylation-based predictors, including the contribution of machine learning techniques, and assesses the uptake of key statistical best practices needed to ensure their reliable performance, such as data-driven feature selection, elimination of data leakage in performance estimates and use of generalizable, adequately powered training samples.
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