The Journal of Practical Medicine ›› 2024, Vol. 40 ›› Issue (13): 1885-1888.doi: 10.3969/j.issn.1006-5725.2024.13.021

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Mitochondrial gene heterogeneity related to MELAS syndrome: A review of literature

Limin WEN1,Ran LI2,Yanlei HAO3,Qingxia KONG4,Min. XIA4()   

  1. Clinical Medicine College,Jining Medical University,Jining 272067,China
  • Received:2023-11-23 Online:2024-07-10 Published:2024-07-09
  • Contact: Min. XIA E-mail:xiaminyy1982@163.com

Abstract:

MELAS syndrome is a genetic disease caused by mutations in mitochondrial DNA (mtDNA) or nuclear DNA. Eighty percent of the cases are caused by m.3243A>G mutation. Heteroplasmy, defined as the presence of both normal and mutant mtDNA in cells, is related with the severity of MELAS syndrome. This article reviews the research in mtDNA heterogeneity related to MELAS syndrome, aiming to provide an insight into new therapies for the syndrome.

Key words: MELAS syndrome, mitochondrial DNA, heteroplasmy, genetic mutation

CLC Number: