与前列腺癌相关的表观遗传机制的改变健康差异
Jenna Craddock1, Jue Jiang2, Sean M Patrick1
1School of Health Systems and Public Health, Faculty of Health Sciences, University of Pretoria, Pretoria 0084, South Africa.
Cancers
|July 14, 2023
概括
非洲血统与侵袭性前列腺癌有关. 基因分析揭示了非洲衍生的瘤中更多多样化的表观遗传基因变异,突出了针对性前列腺癌治疗的需要.
科学领域:
- 基因组医学是基因组医学.
- 癌症基因组学 癌症基因组学
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
背景情况:
- 前列腺癌 (PCa) 受遗传变化的影响,特别是在表观遗传调节器中.
- 非洲血统是已知的前列腺癌的风险因素,这表明表观遗传失调在健康差异中的作用.
研究的目的:
- 研究非洲和欧洲血统的男性前列腺瘤之间的表观遗传基因改变的差异.
- 确定新的表观遗传驱动因素和潜在的治疗点,有助于前列腺癌差异.
主要方法:
- 对109名南非男性和56名欧洲澳大利亚血统男性的前列腺瘤数据进行比较基因组分析.
- 在大约656个表观遗传基因中识别和集群体变异,包括变异类型和副本数量变异.
主要成果:
- 来自非洲的瘤显示出更多的表观遗传驱动基因候选人 (72对10),偏向非洲特异性变异 (63对9共享).
- 在非洲衍生的瘤中发现了18种新的表观遗传驱动因素,包括潜在的治疗标,如CHD7,DPF3,POLR1B,SETD1B,UBTF和VPS72.
- 定义了两个不同的表观遗传前列腺癌分类法,根据祖先区分患者并预测临床结果.
结论:
- 表观遗传机制的体质变化是前列腺癌的关键驱动因素,非洲衍生的瘤在这些变化中表现出更大的多样性.
- 鉴定了新的,偏向于祖先的表观遗传变化,强调了针对非洲人群量身定制的前列腺癌护理方法的必要性,以减少健康差异.
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