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与衰老相关的线粒体DNA突变在瘤起源中的积累

Minghua Kong^1,2, Lishu Guo³, Weilin Xu¹

¹Division of Nutritional Sciences, Cornell University, Ithaca, NY 14853, USA.

|January 28, 2025

概括

衰老会增加线粒体DNA (mtDNA) 突变,这可能会导致癌症. 本综述探讨了与年龄相关的mtDNA突变如何促进瘤发展,并讨论了预防策略.

科学领域:

老年学是一门学科.
在瘤学瘤学.
线粒体生物学线粒体生物学

背景情况:

癌症不成比例地影响老年人,强调需要了解衰老在瘤发生中的作用.
衰老过程中的代谢变化被认为是癌症发展的潜在驱动因素.
线粒体DNA (mtDNA) 突变在老化组织和瘤中普遍存在,这表明存在联系.

研究的目的:

审查在衰老过程中 mtDNA 突变的积累.
阐明与年龄相关的mtDNA突变对癌症发病的机制性贡献.
讨论针对mtDNA突变诱导的瘤发生的潜在预防措施.

主要方法:

关于衰老,mtDNA突变和癌症研究的文献综述.
对将mtDNA突变与代谢重编程,基因组不稳定性和免疫反应联系起来的机制的分析.
关于与年龄相关的mtDNA突变积累的当前知识的综合.

主要成果:

身体mtDNA突变随着年龄的增长而积累,这是由于细胞过程,如分裂和线粒体周转.
这些突变可以导致具有高频率致病性mtDNA突变的细胞.
累积的mtDNA突变可以重编程细胞代谢,破坏核基因组的稳定性,改变免疫监测,促进瘤发生.

结论:

与年龄相关的mtDNA突变是衰老和癌症之间的合理机制联系.
了解这些突变为老年人群的癌症预防提供了潜在的途径.
需要进一步的研究,以充分探索针对mtDNA突变的预防策略.

关键词:

衰老的衰老衰老的衰老基因组的不稳定性代谢代谢代谢代谢这是一种mtDNA突变.瘤发生的起源

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