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Mechanism of demyelination in Charcot-Marie-Tooth disease type 1 Kiyoshi Hayasaka 1 1Department of Pediatrics, Yama-gata University School of Medicine Keyword: Charcot-Marie-Tooth disease , PMP22 , Po , LITAF , EGR2 , SOX10 , Cx32 pp.577-584
Published Date 2003/8/10
DOI https://doi.org/10.11477/mf.1431100340
  • Abstract
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 Charcot-Marie-Tooth disease type 1(CMT1)is a heterogeneous disorder. Most CMT1 patients are associated with a duplication of 17p11.2-p12(CMT1A duplication), and a small number of patients have mutations of PMP22, Po, LITAF, EGR2, SOX10 and Cx32genes. Demyelination in CMT1 is caused by the defects in the differentiation or proliferation of Schwann cells or the defects in the formation and maintenance of stable peripheral myelin by Schwann cells. The underlying pathogenesis is a loss of function of the products encoded by these genes, dominant negative effects of mutant proteins, aggresome formations from mutant proteins leading to the apoptosis of Schwann cells, and secondary autoimmune reactions.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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