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铁死亡:N6-甲基腺苷修饰参与肿瘤发生和进展的关键机制。

Ferroptosis: a critical mechanism of N-methyladenosine modification involved in carcinogenesis and tumor progression.

机构信息

NHC Key Laboratory of Carcinogenesis, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, China.

Cancer Research Institute and School of Basic Medical Sciences, Central South University, Changsha, 410078, China.

出版信息

Sci China Life Sci. 2024 Jun;67(6):1119-1132. doi: 10.1007/s11427-023-2474-4. Epub 2024 Feb 28.

Abstract

Ferroptosis is an iron-dependent regulatory cell necrosis induced by iron overload and lipid peroxidation. It occurs when multiple redox-active enzymes are ectopically expressed or show abnormal function. Hence, the precise regulation of ferroptosis-related molecules is mediated across multiple levels, including transcriptional, posttranscriptional, translational, and epigenetic levels. N-methyladenosine (mA) is a highly evolutionarily conserved epigenetic modification in mammals. The mA modification is commonly linked to tumor proliferation, progression, and therapy resistance because it is involved in RNA metabolic processes. Intriguingly, accumulating evidence suggests that dysregulated ferroptosis caused by the mA modification drives tumor development. In this review, we summarized the roles of mA regulators in ferroptosis-mediated malignant tumor progression and outlined the mA regulatory mechanism involved in ferroptosis pathways. We also analyzed the potential value and application strategies of targeting mA/ferroptosis pathway in the clinical diagnosis and therapy of tumors.

摘要

铁死亡是一种由铁过载和脂质过氧化诱导的铁依赖性调节性细胞坏死。当多种氧化还原活性酶异位表达或表现出异常功能时,就会发生铁死亡。因此,铁死亡相关分子的精确调控是通过多个水平进行介导的,包括转录、转录后、翻译和表观遗传水平。N6-甲基腺苷(m6A)是哺乳动物中高度进化保守的表观遗传修饰。m6A 修饰通常与肿瘤增殖、进展和治疗耐药性有关,因为它参与了 RNA 代谢过程。有趣的是,越来越多的证据表明,m6A 修饰引起的失调性铁死亡驱动肿瘤的发展。在这篇综述中,我们总结了 mA 调节剂在铁死亡介导的恶性肿瘤进展中的作用,并概述了 mA 调节机制在铁死亡途径中的作用。我们还分析了靶向 mA/铁死亡途径在肿瘤临床诊断和治疗中的潜在价值和应用策略。

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