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Related Experiment Video

Updated: Jul 19, 2025

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Hereditary neuropathy.

Chiara Pisciotta1, Michael E Shy2

  • 1Department of Clinical Neurosciences, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy.

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PubMed
Summary

Charcot-Marie-Tooth disease (CMT), the most common inherited neurological disorder, involves over 100 genes. This review focuses on the four most frequent genetic causes and their therapeutic strategies.

Keywords:
CMT1ACMT1BCMT2ACMTX1Charcot–Marie–ToothFuture perspectiveGJB1Inherited neuropathyMFN2MPZPMP22

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Area of Science:

  • Neurology
  • Genetics
  • Molecular Biology

Background:

  • Hereditary neuropathies, including Charcot-Marie-Tooth disease (CMT), are the most prevalent inherited neurological disorders, affecting 1 in 2500 individuals.
  • Recent advances in next-generation sequencing (NGS) have identified over 100 causative genes for CMT, complicating classification.
  • Despite genetic heterogeneity, many CMT forms exhibit similar clinical phenotypes, necessitating efficient diagnostic approaches.

Conclusions:

  • NGS has significantly advanced gene discovery in CMT but increased classification complexity.
  • Despite numerous genetic causes, a few genes account for the majority of CMT cases.
  • Understanding the common genetic forms and their underlying mechanisms is crucial for developing targeted therapies for CMT.