The four previously reported Parkinson's disease (PD)-related single-nucleotide polymorphisms (SNPs) - rs1775143, rs823114, rs2071746 and rs62063857 - have rarely been studied in Chinese Han populations.
All 4 SNCA SNPs and the MAPT H1-haplotype-defining SNP (rs1052553) displayed a highly significant marginal association with PD at the significance level adjusted for multiple comparisons.
Our findings indicate that as previously reported, the SNCA rs356219-G allele and MAPT rs1052553 (H1 haplotype) were both associated with an increased risk of PD, whilst contrary to previous reports, GSK3B variants were not.
We identified a significant association between H1/H2 and risk of PD (rs1052553 OR: 1.43, CI: 1.23-1.64; rs62063857 OR: 1.45, CI: 1.27-1.67), but no effect of the H1-specific SNP rs242557 (OR: 0.92, CI: 0.82-1.03).
We identified a significant association between H1/H2 and risk of PD (rs1052553 OR: 1.43, CI: 1.23-1.64; rs62063857 OR: 1.45, CI: 1.27-1.67), but no effect of the H1-specific SNP rs242557 (OR: 0.92, CI: 0.82-1.03).
Five out of the 13 tested SNPs (rs12185268, rs6599389, rs356220, rs13312, and rs17649553) were confirmed to be nominally significantly associated (<i>P</i> < 0.05) with PD risk in the Cypriot population.
Here, in order to discover potential AD-related loci, we investigated the association between late-onset AD (LOAD) susceptibility and nine single-nucleotide polymorphisms (SNPs) (rs11724635 of BST1, rs12637471 of MCCC1, rs15553999 of TMEM229, rs17649553 of MAPT, rs34311866 of TMEM175-GAK-DGKQ, rs356182 of SNCA, rs6430538 of ACMSD-TMEM163, rs76904798 of LRRK2 and rs823118 of RAB7L1-NUCKS1) which were reported to have genome-wide significant associations with PD risk in a recent Genome Wide Association Study performed among white population.
Single-nucleotide polymorphisms in MAPT (rs1800547; P = 3.1 × 10(-4) ) and SNCA (rs356219; P = 5.5 × 10(-4) ) were significantly associated with Parkinson's disease.