Advances in clinical and experimental medicine : official organ Wroclaw Medical University · 2018
Family-based study of association between MAFB gene polymorphisms and NSCL/P among Western Han Chinese population.
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Zhang Bihe, Duan Shijun, Shi Jiayu, Jiang Shuyuan, Feng Fan, Shi Bing, Jia Zhonglin
Аннотация
BACKGROUND: Non-syndromic cleft lip with or without cleft palate (NSCL/P) are the most common human congenital birth defects with a complex etiology. MAFB has been reported as a candidate gene involved in the pathogenesis of NSCL/P from genome-wide association study (GWAS) findings, and no replication studies have been performed in Western Han Chinese.
OBJECTIVES: The aim of this study was to investigate the associations of MAFB among NSCL/P trios in Western Han Chinese.
MATERIAL AND METHODS: We selected 6 single nucleotide polymorphisms (SNPs) (rs6072081, rs6065259, rs17820943, rs13041247, rs11698025 and rs6102085) near MAFB based on previous GWAS findings and recruited 298 case-parents trios with NSCL/P from Western Han Chinese population, while genotypes were done by SNPscan technology.
RESULTS: Strong evidence of an association was found at rs17820943 (p = 0.0023; odds ratio - ORtranmission = 0.7 and 95% confidence interval [CI]: 0.55-0.88) and rs13041247 (p = 0.0023; ORtranmission = 0.7 and 95% CI: 0.55-0.88) among NSCL/P; genotypic transmission-disequilibrium test (TDT) analysis further confirmed this. C/C homozygote at rs17820943 (z = 3.44 and p = 0.00058) and T/T homozygote at rs13041247 (z = 3.14 and p = 0.0017) was over-transmitted among NSCL/P, which indicated they could increase the risk of having an affected baby. Sliding window haplotype analysis showed that haplotypes consisting of C allele at rs17820943 and T allele at rs13041247 were still over-transmitted among NSCL/P (lowest p = 0.0021).
CONCLUSIONS: This study further confirmed that the targeted SNPs at MAFB were associated with NSCL/P trios from Western Han Chinese population, which provides more scientific evidence for the future research and genetic counseling.
OBJECTIVES: The aim of this study was to investigate the associations of MAFB among NSCL/P trios in Western Han Chinese.
MATERIAL AND METHODS: We selected 6 single nucleotide polymorphisms (SNPs) (rs6072081, rs6065259, rs17820943, rs13041247, rs11698025 and rs6102085) near MAFB based on previous GWAS findings and recruited 298 case-parents trios with NSCL/P from Western Han Chinese population, while genotypes were done by SNPscan technology.
RESULTS: Strong evidence of an association was found at rs17820943 (p = 0.0023; odds ratio - ORtranmission = 0.7 and 95% confidence interval [CI]: 0.55-0.88) and rs13041247 (p = 0.0023; ORtranmission = 0.7 and 95% CI: 0.55-0.88) among NSCL/P; genotypic transmission-disequilibrium test (TDT) analysis further confirmed this. C/C homozygote at rs17820943 (z = 3.44 and p = 0.00058) and T/T homozygote at rs13041247 (z = 3.14 and p = 0.0017) was over-transmitted among NSCL/P, which indicated they could increase the risk of having an affected baby. Sliding window haplotype analysis showed that haplotypes consisting of C allele at rs17820943 and T allele at rs13041247 were still over-transmitted among NSCL/P (lowest p = 0.0021).
CONCLUSIONS: This study further confirmed that the targeted SNPs at MAFB were associated with NSCL/P trios from Western Han Chinese population, which provides more scientific evidence for the future research and genetic counseling.