hrvatski

Mutation analysis of the MPZ and PMP22 genes in Croatian patients

We used single-strand conformation polymorphism analysis for mutational screening in two candidate genes, MPZ and PMP22, which have an important role in the pathogenesis of Charcot-Marie-Tooth disease (CMT) and related peripheral neuropathies. A novel Ser8Ser polymorphism was found in exon 1 of the MPZ gene in two heterozygous subjects, in a father with mild CMT2 phenotype and his daughter with normal clinical data. Thr118Met polymorphism was found in exon 5 of the PMP22 gene. The patient heterozygous for 118Met allele had CMT1 disease. We can conclude that the occurrence of the 118Met allele does not usually cause CMT1 and that it is not a clinically relevant disease marker.

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