A case of CMT 1B due to Val 102/fs null mutation of the MPZ gene presenting as hyperCKemia

Marco Luigetti, Anna Modoni, Rosaria Renna, Gabriella Silvestri, Enzo Ricci, Nicola Montano, Giordano Tasca, Manuela Papacci, Mauro Monforte, Amelia Conte, M. G. Pomponi, Mario Sabatelli

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11 Citazioni (Scopus)


Charcot-Marie-Tooth disease (CMT) is a group of clinically and genetically heterogeneous neuropathies classically divided into demyelinating (CMT1) and axonal forms (CMT2). The most common demyelinating form is CMT1A, due to a duplication in the gene encoding the peripheral myelin protein 22 (PMP22). Less frequently, mutations in the myelin protein zero gene (MPZ/P0) account for demyelinating CMT1B. Herein, we report a patient presenting with an isolated hyperCKemia in whom electrophysiological and pathological findings revealed a demyelinating and axonal neuropathy. Sequencing of the MPZ gene revealed a 306delA at codon 102 in the proband and in two relatives. This mutation has been already described in association with paucisymptomatic CMT without hyperCKemia.
Lingua originaleEnglish
pagine (da-a)794-797
Numero di pagine4
RivistaClinical Neurology and Neurosurgery
Stato di pubblicazionePubblicato - 2010


  • Action Potentials
  • Adult
  • Axons
  • Biopsy
  • Charcot-Marie-Tooth Disease
  • Codon
  • Creatine Kinase
  • Diagnosis
  • Electromyography
  • Family
  • Genetic Testing
  • Humans
  • Male
  • Motor Neurons
  • Mutation
  • Myelin P0 Protein
  • Neural Conduction
  • Neurologic Examination
  • Peripheral Nerves
  • Sensory Receptor Cells


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