Objective To test the association between mitochondrial DNA(mtDNA) point mutations and praecox parkinson’s disease (PPD),and to investigate the characteristics of mtDNA mutations Chinese patients with PPD.
Objective To test the association between mitochondrial DNA(mtDNA) point mutations and praecox parkinson’s disease (PPD),and to investigate the characteristics of mtDNA mutations Chinese patients with PPD.
目的 为验证线粒体DNA点突变与早发性帕金森病（PPD）的相关性，并了解中国PPD患者线粒体DNA点突变特点。