Neurological disorders due to mutations of the mitochondrial genome

Massimo Zeviani, Stefano DiDonato

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The rapidly expanding list of human diseases due to lesions of mitochondrial DNA includes myopathies, encephalopathies, cardiomyopathies, or various combinations of the latter, leading to multisystem disorders, which can also affect visceral organs. Five maternally inherited diseases, mainly affecting muscle and brain, are due to point mutations of mitochondrial genes encoding either respiratory chain polypeptides or transfer RNAs. On the other hand, three sporadic entities, Chronic Progressive External Opthalmoplegia, Kearns-Sayre syndrome, and Pearson's pancreas-bone marrow syndrome, are due to single large-scale deletions of mitochondrial DNA. In addition, multiple deletions are the molecular hallmark of familial encephalomyopathies, inherited as either autosomal dominant or autosomal recessive traits. Finally, tissue-specific depletion of mitochondrial DNA was found in an autosomal recessive disease affecting either muscle, liver, kidney, or a combination of the three. Point mutations and slipped mispairing during, or impairment of, mitochondrial replication are likely mechanisms involved in the pathogenesis of these lesions.

Original languageEnglish
Pages (from-to)165-172
Number of pages8
JournalNeuromuscular Disorders
Volume1
Issue number3
DOIs
Publication statusPublished - 1991

Fingerprint

Mitochondrial Genome
Nervous System Diseases
Mitochondrial DNA
Point Mutation
Mutation
Kearns-Sayre Syndrome
Muscles
Mitochondrial Genes
Brain Diseases
Muscular Diseases
Electron Transport
Transfer RNA
Cardiomyopathies
Pancreas
Bone Marrow
Kidney
Peptides
Liver
Brain

Keywords

  • maternal inheritance
  • Mitochondrial DNA
  • mtDNA deletions
  • mtDNA disease
  • mtDNA point mutations

ASJC Scopus subject areas

  • Clinical Neurology
  • Pediatrics, Perinatology, and Child Health
  • Developmental Neuroscience
  • Neurology

Cite this

Neurological disorders due to mutations of the mitochondrial genome. / Zeviani, Massimo; DiDonato, Stefano.

In: Neuromuscular Disorders, Vol. 1, No. 3, 1991, p. 165-172.

Research output: Contribution to journalArticle

Zeviani, Massimo ; DiDonato, Stefano. / Neurological disorders due to mutations of the mitochondrial genome. In: Neuromuscular Disorders. 1991 ; Vol. 1, No. 3. pp. 165-172.
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