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白人和患有肝癌的亚洲患者之间的铁亡相关基因差异

Pu Xia¹, Gui-Min Wen², Xiao-Hui Zheng³

¹Biological Anthropology Institute, College of Basic Medical Science, Jinzhou Medical University Jinzhou, Liaoning, P. R. China.

American journal of cancer research

|September 11, 2023

概括

研究人员确定了关键基因 (FDFT1,ACSL4,EMC2),这些基因通过增加活性氧物种 (ROS) 和减少谷氨过氧酶 (GPX4) 来触发肝癌细胞中的铁亡. 种族背景没有影响这些与ferroptosis相关的基因功能.

科学领域:

在瘤学瘤学.
分子生物学分子生物学
代谢调节代谢调节代谢调节

背景情况:

铁亡是一种受调节的细胞死亡形式,因代谢失调而与肝癌的发展有关.
虽然肝癌存在与铁亡相关的基因特征,但其精确的调节机制仍然不完全理解.
识别跨不同种族群体共享的致病基因对于理解肝癌异质性至关重要.

研究的目的:

在不同种族背景的肝癌患者中识别与铁症相关的共享病原性基因.
构建一个与铁灭相关的基因签名,适用于不同种族群体.
阐明特定的铁化相关基因在肝癌中的功能作用.

主要方法:

利用癌症基因组图谱 (TCGA) 数据库来分析与铁亡相关的基因.
为亚裔和白人肝癌患者构建了一种基因特征.
在肝癌细胞中选择并研究了Farnesyl二酸Farnesyl转移酶1 (FDFT1),长链乙烯-CoA合成酶4 (ACSL4) 和内分泌网膜膜蛋白复合体2 (EMC2) 的功能影响.

主要成果:

确定了FDFT1,ACSL4和EMC2作为参与肝癌中ferroptosis诱导的关键基因.
证明FDFT1,ACSL4和EMC2可以调高活性氧物种 (ROS) 水平,并降低谷氨过氧化酶 (GPX4) 活性.
没有发现种族差异对这些与ferroptosis相关的基因的功能有显著的影响.

结论:

FDFT1,ACSL4和EMC2在诱导肝癌细胞中的铁亡中发挥着至关重要的作用.
种族差异似乎没有改变这些关键的铁亡相关基因的功能影响.
这些发现表明潜在的新型治疗策略,针对肝癌治疗的ferroptosis.

关键词:

铁化是铁化的一种.在GPX4中使用GPX4.这就是ROSOS ROS.在 SLC1A5A5 中,肝癌肝癌是一种肝癌.

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