Hunting genes in Parkinson’s disease from the roots

Abstract 

Parkinson’s disease (PD), a common, neurodegenerative disorder, has a worldwide distribution. The genetic basis of PD is not well understood, although some recent leads have emerged. Epidemiological studies suggest that there is significant variation in the prevalence of PD between different populations and rates are highest in populations of European origin. Significant differences in molecular pathology in PD and control brain tissue have been observed between African, British and Indian populations. In view of this epidemiological and pathological evidence, it is proposed that allelic variations in genes that predispose to PD may account for the ethnic variation. Advances in our knowledge about the human genome will allow us to make detailed comparisons between affected and control subjects in different populations. This may help us to understand the reasons for the variation, and a better understanding of the genetic processes underlying the disease process.

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