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当少是多:多态CYP表达与AFB1诱导的HCC之间的关联

Asmaa Ashraf Mohamed¹, Monica Armanious¹, Rana W Bedair¹

¹Clinical Pharmacology and Pharmacogenomics Research Group, Department of Pharmacology and Toxicology, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo, Egypt.

European journal of clinical investigation

|August 5, 2024

概括

在CYP酶的遗传变异影响易感性阿弗拉托克素B1诱导的肝癌. 了解这些单核酸多态 (SNP) 是个性化肝细胞癌 (HCC) 风险评估和治疗策略的关键.

科学领域:

药物基因组学药物基因组学
肝细胞癌研究肝细胞癌研究
分子流行病学分子流行病学

背景情况:

基因变异,特别是药物代谢酶中的单核酸多态 (SNP),是疾病风险和治疗反应的关键预测因素.
细胞染色体P450 (CYP) 酶的多态性显著影响个人对致癌物质的敏感性,如已知导致肝细胞癌 (HCC) 的已知原因阿弗拉托克辛B1 (AFB1).

研究的目的:

审查有关CYP酶多态性及其与AFB1诱导的HCC.敏感性相关的现有文献.
巩固当前关于CYP酶的遗传变异如何导致肝癌的发展的知识.

主要方法:

使用谷歌学者和PubMed进行了全面的文献搜索.
使用了与CYP酶,AFB1和HCC相关的关键词.
搜索被过为过去十年内发表的研究,包括有关HCC患者和CYP多态度的旧研究.

主要成果:

CYP1A2和CYP3A4的变异改变了AFB1的生物激活,影响了HCC的脆弱性.
在HCC患者中,CYP异形活性不同:在CYP2C9,CYP2D6,CYP2E1中增加;在CYP1A2,CYP2C8,CYP2C19.1中减少.
像rs2740574 (CYP3A4) 和rs776746 (CYP3A5) 这样的特定多态体会影响CYP3A的表达和AFB1-环氧化物添加水平.

结论:

CYP1A2是产生有害AFB1代谢产物 (AFBO) 的主要酶.
其他CYP酶 (CYP3A4,CYP3A5,CYP3A7,CYP2B7,CYP3A3) 也有助于AFB1生物激活.
了解CYP多态性为个性化HCC风险评估,诊断和治疗提供了洞察力.

关键词:

在CYP的多态化中.非洲毒素B1是什么?细胞染色体P450的使用.肝细胞癌是肝细胞癌.单个核酸的多形态.

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