The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association · 2013
Microarray analysis of two single-nucleotide polymorphisms of transforming growth factor alpha in patients with nonsyndromic cleft of north china.
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Xu Wei, Han Weitian, Lu Yongping, Yao Wang, Li Zengjian, Fang Kai, Liu Qiang, Li Jianxin
Аннотация
OBJECTIVE: To investigate the association between the TGFA:c.3851T > C (rs11466285) and TGFA:c.3822G > A (rs3771523) single-nucleotide polymorphisms (SNPs) and nonsyndromic cleft lip and/or cleft palate (CL/P) with microarray in north China.
DESIGN AND SETTING: Test association by both case-control and case-parent analysis.
SUBJECTS AND METHODS: Two SNPs of 150 controls, 166 cases, and 271 of their parents were genotyped using microarray based on the allele-specific primer extension, and chi-square statistics and family-based association test analyses were performed.
RESULTS: Both sequencing and microarray analysis produced identical results. We found significant evidence of overtransmission of the C allele of c.3851T > C and the A allele of c.3822G > A in case-parent trios for CL/P but not for cleft palate only (CP). Significant differences for both genotypic and allelic distributions between cases and controls were found at c.3822G > A and c.3851T > C for CL/P but not for CP. The TGFA [C; G] and [T; A] haplotypes showed significant overtransmission.
CONCLUSIONS: These results support that two SNPs are associated with nonsyndromic CL/P but not for CP in northern Chinese populations. It was demonstrated that this microarray is suitable to test SNPs associated with nonsyndromic CL/P.
DESIGN AND SETTING: Test association by both case-control and case-parent analysis.
SUBJECTS AND METHODS: Two SNPs of 150 controls, 166 cases, and 271 of their parents were genotyped using microarray based on the allele-specific primer extension, and chi-square statistics and family-based association test analyses were performed.
RESULTS: Both sequencing and microarray analysis produced identical results. We found significant evidence of overtransmission of the C allele of c.3851T > C and the A allele of c.3822G > A in case-parent trios for CL/P but not for cleft palate only (CP). Significant differences for both genotypic and allelic distributions between cases and controls were found at c.3822G > A and c.3851T > C for CL/P but not for CP. The TGFA [C; G] and [T; A] haplotypes showed significant overtransmission.
CONCLUSIONS: These results support that two SNPs are associated with nonsyndromic CL/P but not for CP in northern Chinese populations. It was demonstrated that this microarray is suitable to test SNPs associated with nonsyndromic CL/P.