DNAJ mutations are rare in Chinese Parkinson's disease patients and controls.

Mutations in DNAJC13, DNAJC6 and DNAJC5 have been implicated in Parkinson's disease (PD). To determine if rare coding variants in these genes play a role in PD risk in the Chinese population, we sequenced all coding exons of the three genes in 99 early-onset PD cases and 99 controls, and genotyped 8 missense variants in another 711 PD cases and 539 controls. Besides two common missense variants that did not show association with PD, the remaining missense variants were extremely rare (<0.5%), found in healthy population controls and did not show enrichment in PD cases. Our results suggest that missense mutations in DNAJC13, DNAJC5 and DNAJC6 do not play a major role in PD in the Chinese population.

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