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Title: Single Nucleotide Polymorphisms in SLC19A1 and SLC25A9 Are Associated with Childhood Autism Spectrum Disorder in the Chinese Han Population.
Author: Liu J, Mo W, Zhang Z, Yu H, Yang A, Qu F, Hu P, Liu Z, Wang S.
Journal: J Mol Neurosci; 2017 Jun; 62(2):262-267. PubMed ID: 28536923.
Abstract:
Genetic variants have been implicated in the development of autism spectrum disorder (ASD). Recent studies suggest that solute carriers (SLCs) may play a role in the etiology of ASD. This purpose of this study was to determine the association between single nucleotide polymorphisms (SNPs) in SLC19A1 and SLC25A12 genes with childhood ASD in a Chinese Han population. A total of 201 autistic children and 200 age- and gender-matched healthy controls were recruited. A TaqMan probe-based real-time PCR approach was used to determine genotypes of SNPs corresponding to rs1023159 and rs1051266 in SLC19A1, and rs2056202 and rs2292813 in SLC25A12. Our results showed that both the T/T genotype of rs1051266 (odds ratio (OR) = 1.85, 95% confidence interval (CI) = 1.06-3.23, P = 0.0301) and the T allele (OR = 1.77, 95% CI = 1.07-2.90, P = 0.0249) of rs2292813 were significantly associated with an increased risk of childhood ASD. In addition, the G-C haplotype of rs1023159-rs1051266 in SCL19A1 (OR = 0.71, 95% CI = 0.51-0.98, P = 0.0389) and C-C haplotype of rs2056202-rs2292813 in SLC25A12 (OR = 0.58, 95% CI = 0.35-0.96, P = 0.0325) were associated with decreased risks of childhood ASD. There was no significant association between genotypes and allele frequencies with the severity of the disease. Our study suggests that these genetic variants of SLC19A1 and SLC25A12 may be associated with risks for childhood ASD.

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