Journal
JOURNAL OF MOLECULAR NEUROSCIENCE
Volume 65, Issue 4, Pages 432-437Publisher
HUMANA PRESS INC
DOI: 10.1007/s12031-018-1114-2
Keywords
GABRB3; Autism; Meta-analysis
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Funding
- Shahid Beheshti University of Medical Sciences
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Several lines of evidence have suggested that the GABA receptor subunit beta 3 (GABRB3) gene is a genetic contributor in the autism spectrum disorder (ASD). The aberrant expression of GABRB3 is reported in ASD patients which may be a consequence of the presence of certain genetic variants in the promoter region of the gene. The associations between single-nucleotide polymorphisms (SNPs) within this gene and ASD have been analyzed in previous studies. However, the results are conflicting. In the present study, we performed a meta-analysis on association between two SNPs located in the promoter region of GABRB3 gene (rs4906902 and rs20317) and ASD. The literature search was performed based on criteria provided by the meta-analysis of observational studies in epidemiology (MOOSE). The association between mentioned SNPs and ASD was calculated using pooled odd ratios (ORs) and 95% confidence intervals. The result of the present meta-analysis indicates that neither rs4906902 nor rs20317 are significantly associated with the risk of ASD. The underlying mechanism of the aberrant expression of GABRB3 gene in ASD patients should be investigated in other biological levels.
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