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  • Title: Recessive inheritance of a new point mutation of the PMP22 gene in Dejerine-Sottas disease.
    Author: Parman Y, Planté-Bordeneuve V, Guiochon-Mantel A, Eraksoy M, Said G.
    Journal: Ann Neurol; 1999 Apr; 45(4):518-22. PubMed ID: 10211478.
    Abstract:
    The existence of recessive transmission of Dejerine-Sottas disease, a severe demyelinating neuropathy of childhood, has been questioned, because only heterozygous mutations of the myelin proteins P0 or PMP22 genes have been identified in virtually all patients with this phenotype. We report on a family with 3 affected children with this phenotype, born to clinically and electrophysiologically unaffected parents. All 3 children carried a previously unknown homozygous missense point mutation (Arg157Trp) of the PMP22 gene. The parents were heterozygous for the same mutation. These findings demonstrate the occurrence of recessive transmission in this setting.
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