Association of SNP in JPH1 gene with severity of disease in Charcot Marie Tooth 2K patients.

Phenotype varies among the various types of Charcot Marie Tooth Neuropathies(CMT), However the problem arises in cases of same gene but gives a huge variety of phenotype in terms of early and late onset and severity of the disease. To check the impact of rs139723190 SNP on severity of the CMT 2k patients; being a genetic modifier of GDAP1. In the current study CMT 2k patients with early and late onset were analyzed for association of rs139723190 SNP in JPH1 gene responsible for CMT type severe and mild phenotypes. Single nucleotide polymorphisms (SNPs) lead to genetic differences in CMT patients on the basis of severity of the disease. The results of the present study suggest that variants of JPH1 may contribute to the genetic susceptibility as it plays a vital role as genetic modifier in CMT 2K. Candidates risk variants should be further evaluated in studies with a larger sample size.

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