Evaluation of PINK1 variants in Indian Parkinson's disease patients

Parkinsonism & Related Disorders
Arindam BiswasJharna Ray

Abstract

Mutations in PINK1 have been identified in familial and sporadic cases of early onset Parkinson's disease (PD). To determine the contribution of PINK1 variants in Indian PD patients, the gene was screened in 250 patients and 205 ethnically matched controls by polymerase chain reaction, single-stranded conformation polymorphism and DNA sequencing. Two potentially pathogenic variants (Arg246Gln & Arg276Gln) were detected in the heterozygous state in 5 patients; none of the patients carried homozygous or compound heterozygous mutations. In addition, 13 other variants were identified, including a known polymorphism (Ala340Thr), a few synonymous or intronic changes, none of which are likely to be pathogenic. Unlike the Chinese population, the Ala340Thr variant did not show any association with PD in Indian population. Six single nucleotide polymorphisms (SNPs) selected from dbSNP were genotyped in 531 normal, healthy individuals representing different ethnic groups of India. Most of the SNP markers were observed to be highly heterozygous among Indians, which could be used for segregation analysis of PINK1 alleles in familial PD cases.

Citations

Sep 17, 2010·Database : the Journal of Biological Databases and Curation·Ankita NarangDebasis Dash
Nov 23, 2013·Neurology India·Shyamal Kumar DasJharna Ray
Mar 25, 2016·Annals of Indian Academy of Neurology·Pratibha SurathiPramod Kumar Pal
Aug 29, 2014·Movement Disorders : Official Journal of the Movement Disorder Society·Lucia RicciardiAnna Rita Bentivoglio
Jun 19, 2010·Biochemical and Biophysical Research Communications·Rowena J KeyserSoraya Bardien
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Mar 6, 2018·Neurology India·Divya M Radhakrishnan, Vinay Goyal
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