表观遗传学
电子烟
表观基因组
尼古丁
DNA甲基化
环境卫生
化学
毒理
环境化学
医学
生物
神经科学
基因表达
生物化学
基因
作者
Rui Yan,Xu-Li Chen,Yan‐Ming Xu,Andy T. Y. Lau
标识
DOI:10.1007/s11356-021-12985-9
摘要
Electronic cigarettes (e-cigarettes), since they do not require tobacco combustion, have traditionally been considered less harmful than conventional cigarettes (c-cigarettes). In recent years, however, researchers have found many toxic compounds in the aerosols of e-cigarettes, and numerous studies have shown that e-cigarettes can adversely affect the human epigenome. In this review, we provide an update on recent findings regarding epigenetic outcomes of e-cigarette aerosols. Moreover, we discussed the effects of several typical e-cigarette ingredients (nicotine, tobacco-specific nitrosamines, volatile organic compounds, carbonyl compounds, and toxic metals) on DNA methylation, histone modifications, and noncoding RNA expression. These epigenetic effects could explain some of the diseases caused by e-cigarettes. It also reminds the public that like c-cigarettes, inhaling e-cigarette aerosols could also be accompanied with potential epigenotoxicity on the human body.
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