Purpose: Sequencing potentially causal and susceptible genes and genome-wide association studies in samples from Parkinson’s disease (PD) patients has revealed several related loci. The genes for synaptosome-associated protein of 25 kDa (SNAP25), histamine-N-methyltransferase (HNMT), FCH and double SH3 domains 1 (FCHSD1) and dopamine β-hydroxylase (DBH) are candidate loci and have not been studied in a northern Chinese population. We explored the genetic distribution of four single-nucleotide polymorphisms (rs3746544, rs11558538, rs456998, rs129882) located on SNAP25, HNMT, FCHSD1 and DBH, respectively. Patients and Methods: A total of 330 patients with sporadic PD and 332 healthy controls (HCs) were recruited from a northern Chinese population. Polymerase chain reaction restric-tion fragment length polymorphism was used to genotype these four SNPs. Results: After statistical analyses and correction of the genotyping results, the mutant-allele T in rs456998 of FCHSD1 was found to be significantly related to reducing the PD risk (P = 0.029, OR = 0.754, 95% CI = 0.586–0.971, power = 0.591). However, rs3746544, rs11558538, and rs129882 did not show an association with PD. Conclusion: FCHSD1 rs456998 may have a protective role in PD in a northern Chinese population, but more studies are needed to support this suggestion.
CITATION STYLE
Dai, C., Zhang, Y., Zhan, X., Tian, M., & Pang, H. (2021). Association analyses of SNAP25, HNMT, FCHSD1, and DBH single-nucleotide polymorphisms with parkinson’s disease in a northern chinese population. Neuropsychiatric Disease and Treatment, 17, 1689–1695. https://doi.org/10.2147/NDT.S304062
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