Abstract:
:Motor and sensory neuropathies with the clinical features of HMSN III (Dejerine-Sottas syndrome, DSS) are etiologically related to heterozygous mutations in either peripheral myelin protein-22 (PMP22) or myelin protein zero (MPZ). Heterozygous mutations in either of these two genes are also responsible for other hereditary peripheral neuropathies (HNPP, CMT1A, CMT1B or CH). In two families DSS was related to the homozygous presence of a MPZ mutation while heterozygosity showed a much milder phenotype. It has therefore been suggested that the clinical phenotype in peripheral neuropathies is related to the mutated gene, the type of mutation and confounding effects from other sources. In this study we describe a family with recessive DSS in which mutations were absent from the PMP22, MPZ, and connexin 32 (Cx32) genes. We conclude that DSS also exists as a distinct genetic entity with autosomal recessive inheritance as originally defined by Dejerine and Sottas in 1893.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Stögbauer F,Young P,Wiebusch H,Timmerman V,Kuhlenbäumer G,Nelis E,Ringelstein EB,Kurlemann G,Assmann G,Van Broeckhoven C,Funke Hdoi
10.1016/s0304-3940(97)00887-2subject
Has Abstractpub_date
1998-01-02 00:00:00pages
1-4issue
1eissn
0304-3940issn
1872-7972pii
S0304-3940(97)00887-2journal_volume
240pub_type
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