Research progress on mitochondrial DNA mutations and copy number variations in tumor diagnosis and treatment

LI Yi-hao, GUO Wei

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Fudan University Journal of Medical Sciences ›› 2025, Vol. 52 ›› Issue (03) : 446-449. DOI: 10.3969/j.issn.1672-8467.2025.03.016
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Research progress on mitochondrial DNA mutations and copy number variations in tumor diagnosis and treatment

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Abstract

Mitochondria are one of the most important organelles in cellular metabolism, and their genomes are prone to mutations and lack damage repair mechanisms. Mitochondrial DNA (mtDNA) mutations and copy number variations play important roles in the occurrence and development of tumors. In recent years, research has found that mtDNA mutations and copy number variations exist in various tumor diseases, and the detection of mtDNA in tumor tissues, especially cell-free mitochondrial DNA in patient fluids, may also serve as important means to indicate tumor diseases. This article aims to summarize and to review the correlation between mitochondrial genome mutations and copy number variations with tumor diseases and their diagnosis, as well as the research progress as tumor biomarkers, in order to provide reference for the clinical diagnosis of tumor diseases.

Key words

mitochondria DNA (mtDNA) / mitochondrial DNA mutations / tumors diagnosis / copy number variation

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LI Yi-hao , GUO Wei. Research progress on mitochondrial DNA mutations and copy number variations in tumor diagnosis and treatment. Fudan University Journal of Medical Sciences. 2025, 52(03): 446-449 https://doi.org/10.3969/j.issn.1672-8467.2025.03.016

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李懿皞 论文构思、撰写和修订。郭玮 论文指导。

Funding

the General Program of National Natural Science Foundation of China(82172348)
Shanghai Baoshan District Medical Key Specialty(BSZK-2023-A18)
Shanghai Clinical Key Specialty Construction Project(shslczdzk03302)

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