January 28, 2021

Distribution of Huntington’s disease Haplogroups in Indian population

Huntington disease (HD), a rare neurodegenerative disorder, is inherited in an autosomal dominant manner, and caused by a pathological trinucleotide expansion at exon1 of the HTT locus. Previous studies have described the haplogroups at the HTT locus that can explain the differences in prevalence of HD. We have selected three informative SNPs (rs762855, rs3856973 and rs4690073) to study these haplogroups in an Indian sample. Our results show that the genotype frequencies are significantly different between cases and controls for these SNPs. More than 90% of both cases and controls belong to Haplogroup A which is the predominant European haplogroup.

 bioRxiv Subject Collection: Neuroscience

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