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T313M polymorphism of the PINK1 gene in Parkinson's disease.

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Exp Ther Med 2014 Jul; 8(1):286-290

Authors: Qin Luo, Xinling Yang, Yani Yao, Hongjuan Li, Yuling Wang

The present study aimed to investigate the association between T313M polymorphism at exon 4 of the PTEN-induced putative kinase 1 (PINK1) gene and Parkinson's disease (PD) in the Uygur and Han populations of Xinjiang, China. Genetic DNA was extracted from 364 patients with PD from the Uygur and Han populations, as well as 346 normal control patients. Four exons of the PINK1 gene were amplified using quantitative polymerase chain reaction. The exons were then digested for restriction fragment length polymorphism analysis. Gene types and allele frequencies were identified using agarose gel electrophoresis followed by DNA sequencing to analyze the T313M polymorphisms. In the Han population, T313M polymorphism allele frequency was observed to be significantly different between the PD group and the control group (?(2)=6.247; P<0.05). Significant differences were observed in in the T313M allele and genotype frequencies between the Uygur and Han populations (?(2)=5.475 and ?(2)=10.950, respectively; P<0.05). Polymorphisms in the PINK1 T313M mutation may be associated with genetic susceptibility to PD.

PMID: 24944636 [PubMed - as supplied by publisher]

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