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New insights on mitochondrial heteroplasmy observed in ovarian diseases. | LitMetric

New insights on mitochondrial heteroplasmy observed in ovarian diseases.

J Adv Res

Women's Hospital, Zhejiang University School of Medicine, No. 1 Xueshi Road, Hangzhou, Zhejiang 310006, People's Republic of China; Women's Reproductive Health Key Laboratory of Zhejiang Province, People's Republic of China; Zhejiang Provincial Clinical Research Center for Obstetrics and Gynecology, People's Republic of China. Electronic address:

Published: November 2024

AI Article Synopsis

Article Abstract

Background: The reportedly high mutation rate of mitochondrial DNA (mtDNA) may be attributed to the absence of histone protection and complete repair mechanisms. Mitochondrial heteroplasmy refers to the coexistence of wild-type and mutant mtDNA. Most healthy individuals carry a low point mutation load (<1 %) in their mtDNA, typically without any discernible phenotypic effects. However, as it exceeds a certain threshold, it may cause the onset of various diseases. Since the ovary is a highly energy-intensive organ, it relies heavily on mitochondrial function. Mitochondrial heteroplasmy can potentially contribute to a variety of significant ovarian disorders.

Aim Of Review: In this review, we have elucidated the close relationship between mtDNA heteroplasmy and ovarian diseases, and summarized novel avenues and strategies for the potential treatment of these ovarian diseases.

Key Scientific Concepts Of Review: Mitochondrial heteroplasmy can potentially contribute to a variety of significant ovarian disorders, including polycystic ovary syndrome, premature ovarian insufficiency, and endometriosis. Current strategies related to mitochondrial heteroplasmy are untargeted and have low bioavailability. Nanoparticle delivery systems loaded with mitochondrial modulators, mitochondrial replacement/transplantation therapy, and mitochondria-targeted gene editing therapy may offer promising paths towards potentially more effective treatments for these diseases, despite ongoing challenges.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11519015PMC
http://dx.doi.org/10.1016/j.jare.2023.11.033DOI Listing

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