Do polymorphisms in the familial parkinsonism genes contribute to risk for sporadic Parkinson's disease?

Greg T. Sutherland, Glenda M. Halliday, Peter A. Silburn, Frank L. Mastaglia, Dominic B. Rowe, Richard S. Boyle, John D. O'Sullivan, Tina Ly, Steven D. Wilton, George D. Mellick*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)


Recent whole genome association studies provided little evidence that polymorphisms at the familial Parkinsonism loci in.uence the risk for Parkinson's disease (PD). However, these studies are not designed to detect the types of subtle effects that common variants may impose. Here, we use an alternative targeted candidate gene approach to examine common variation in 11 genes related to familial Parkinsonism. PD cases (n = 331) and unaffected control subjects (n = 296) were recruited from three specialist movement disorder clinics in Brisbane, Australia and the Australian Electoral Roll. Common genetic variables (76 SNPs and 1 STR) were assessed in all subjects and haplotype, genotype, and allele associations explored. Modest associations (uncorrected P < 0.05) were observed for common variants around SNCA, UCHL1, MAPT, and LRRK2 although none were of suf.cient magnitude to survive strict statistical corrections for multiple comparisons. No associations were seen for PRKN, PINK1, GBA, ATP13A2, HTRA2, NR4A2, and DJ1. Our findings suggest that common genetic variables of selected PD-related loci contribute modestly to PD risk in Australians.

Original languageEnglish
Pages (from-to)833-838
Number of pages6
JournalMovement Disorders
Issue number6
Publication statusPublished - 30 Apr 2009
Externally publishedYes


  • Association
  • Parkinson's disease
  • PD-related genes


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