Bacteria-related changes in host DNA methylation and the risk for CRC.

Bacteria-related changes in host DNA methylation and the risk for CRC.
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DOI:
10.1080/19490976.2020.1800898
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发表时间:
2020-11-09
期刊:
影响因子:
12.2
通讯作者:
Khazaie K
Khazaie K
中科院分区:
医学2区
文献类型:
--
作者:
Sobhani I;Rotkopf H;Khazaie K

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结直肠癌(CRC)是男性和女性癌症死亡的第二大常见原因。结肠肿瘤的生长是多阶段的,是自发突变和表观遗传事件积累的结果,这些事件沉默肿瘤抑制基因并激活癌基因。环境因素是这些体细胞基因改变的主要贡献者,这是西方国家CRC发病率增加的原因。近几十年来,肠道微生物群及其代谢产物已被认为是CRC的重要促成因素,现在可作为CRC诊断和预后的生物标志物。在本综述中,我们强调了了解肠道微生物群如何促进CRC的整体方法。我们在此特别关注宿主DNA甲基化的细菌相关变化和CRC的风险。
Colorectal cancer (CRC) is the second most common cause of cancer deaths in men and women combined. Colon-tumor growth is multistage and the result of the accumulation of spontaneous mutations and epigenetic events that silence tumor-suppressor genes and activate oncogenes. Environmental factors are primary contributors to these somatic gene alterations, which account for the increase in incidence of CRC in western countries. In recent decades, gut microbiota and their metabolites have been recognized as essential contributing factors to CRC, and now serve as biomarkers for the diagnosis and prognosis of CRC. In the present review, we highlight holistic approaches to understanding how gut microbiota contributes to CRC. We particularly focus herein on bacteria-related changes in host DNA methylation and the risk for CRC.
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