Title |
A novel deletion in the GJA12 gene causes Pelizaeus–Merzbacher-like disease
|
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Published in |
neurogenetics, October 2006
|
DOI | 10.1007/s10048-006-0065-x |
Pubmed ID | |
Authors |
Leonardo Salviati, Eva Trevisson, Maria Cristina Baldoin, Irene Toldo, Stefano Sartori, Milena Calderone, Romano Tenconi, AnnaMaria Laverda |
Abstract |
Pelizaeus-Merzbacher disease (PMD) and Pelizaeus-Merzbacher-like disease (PMLD) are hypomyelinating disorders of the central nervous system with a very similar phenotype. PMD is an X-linked disorder caused by mutations in PLP1. PMLD is an autosomal recessive condition caused by mutations in GJA12. We report a 5-year-old girl with a complex neurological syndrome and severe hypomyelination on brain magnetic resonance imaging. She harbored a homozygous 34-bp deletion in the coding region of GJA12. There are no distinctive features for the differential diagnosis of PMD/PMLD. GJA12 should be analyzed in all patients without PLP1 mutations but should also be considered the initial genetic test in women and in patients with consanguineous parents. |
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