期刊
NATURE REVIEWS GENETICS
卷 24, 期 5, 页码 332-344出版社
NATURE PORTFOLIO
DOI: 10.1038/s41576-022-00569-3
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A substantial proportion of disease risk for common complex disorders is attributable to environmental exposures and pollutants. Recent research has shown the impact of environmental pollutants on the human genome and epigenome through epigenetic modifications. Furthermore, other molecular processes, such as the production of extracellular vesicles, epitranscriptomic changes, and mitochondrial changes, have also been identified as mechanisms through which the environment can exert its effects.
A substantial proportion of disease risk for common complex disorders is attributable to environmental exposures and pollutants. An appreciation of how environmental pollutants act on our cells to produce deleterious health effects has led to advances in our understanding of the molecular mechanisms underlying the pathogenesis of chronic diseases, including cancer and cardiovascular, neurodegenerative and respiratory diseases. Here, we discuss emerging research on the interplay of environmental pollutants with the human genome and epigenome. We review evidence showing the environmental impact on gene expression through epigenetic modifications, including DNA methylation, histone modification and non-coding RNAs. We also highlight recent studies that evaluate recently discovered molecular processes through which the environment can exert its effects, including extracellular vesicles, the epitranscriptome and the mitochondrial genome. Finally, we discuss current challenges when studying the exposome - the cumulative measure of environmental influences over the lifespan - and its integration into future environmental health research. Environmental pollutants have been shown to disrupt molecular mechanisms underlying common complex diseases. The authors review the interplay of environmental stressors with the human genome and epigenome as well as other molecular processes, such as production of extracellular vesicles, epitranscriptomic changes and mitochondrial changes, through which the environment can exert its effects.
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