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Abstract <p>Alzheimer’s disease (AD), a severe neurodegenerative disease of the central nervous system, is the most common cause of cognitive impairment in people over the age of 60. The etiology and pathogenesis of Alzheimer’s disease are still unclear despite decades of active research. Numerous studies have shown that neurodegenerative processes in AD are associated with the mitochondrial dysfunction. In this review, we briefly discuss the results of these studies and present the reported evidence that mitochondrial dysfunction in AD is associated with mitochondrial DNA&#xa0;(mtDNA) variations. The results of association analysis of mtDNA haplogroups and individual polymorphic variants, including those whose combinations define haplogroups, with AD are described in detail. These data clearly indicate the role of variations in the mitochondrial genome in the susceptibility to AD, although the problem of significance of individual mtDNA variants is far from being resolved.</p>

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Mitochondrial Genome Variants and Alzheimer’s Disease

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • Maxim S. Kozin,
  • Olga G. Kulakova,
  • Ivan S. Kiselev,
  • Ekaterina V. Semina,
  • Viktor V. Kakotkin,
  • Mikhail A. Agapov,
  • Olga O. Favorova

摘要

Abstract

Alzheimer’s disease (AD), a severe neurodegenerative disease of the central nervous system, is the most common cause of cognitive impairment in people over the age of 60. The etiology and pathogenesis of Alzheimer’s disease are still unclear despite decades of active research. Numerous studies have shown that neurodegenerative processes in AD are associated with the mitochondrial dysfunction. In this review, we briefly discuss the results of these studies and present the reported evidence that mitochondrial dysfunction in AD is associated with mitochondrial DNA (mtDNA) variations. The results of association analysis of mtDNA haplogroups and individual polymorphic variants, including those whose combinations define haplogroups, with AD are described in detail. These data clearly indicate the role of variations in the mitochondrial genome in the susceptibility to AD, although the problem of significance of individual mtDNA variants is far from being resolved.