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Genetic variant of WIF1 gene is functionally associated with developmental dysplasia of the hip in Han Chinese population.


ABSTRACT: Developmental dysplasia of the hip (DDH) is a common skeletal disorder. Studies have demonstrated a significant role of WIF1 gene in skeletal development. The present study was conducted to reveal the association between DDH and gene WIF1. A two-stage case-control candidate gene association study was conducted in total 1573 samples (586 DDH patients and 987 healthy controls) in this study. Polymorphism rs3782499 was genotyped in all samples. Difference of WIF1 expression in hip joint tissue was compared between the patients and the controls. WIF1 expression was compared among different genotypes in DDH patients. The SNP rs3782499 was found significantly associated with DDH in the two-stage study with 585 patients and 987 controls. There was a significant difference in allele frequency (p?=?4.37 * 10-5) and genotype distribution in a recessive model (AG?+?GG vs. AA). DDH patients were found to have significantly higher WIF1 expression than controls. Moreover, Patients with rs3782499 genotype AA have a significantly increased expression of WIF1 than those with GG. To conclude, polymorphism rs3782499 of WIF1 gene is a functional variant regulating the expression of WIF1 in DDH in Chinese Han population, which might be a potential biomarker for the early diagnosis of DDH.

SUBMITTER: Sun Y 

PROVIDER: S-EPMC6342943 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Genetic variant of WIF1 gene is functionally associated with developmental dysplasia of the hip in Han Chinese population.

Sun Ye Y   You Yongqing Y   Dai Kerong K   Zhang Junxin J   Yan Moqi M   Zhang Yijian Y  

Scientific reports 20190122 1


Developmental dysplasia of the hip (DDH) is a common skeletal disorder. Studies have demonstrated a significant role of WIF1 gene in skeletal development. The present study was conducted to reveal the association between DDH and gene WIF1. A two-stage case-control candidate gene association study was conducted in total 1573 samples (586 DDH patients and 987 healthy controls) in this study. Polymorphism rs3782499 was genotyped in all samples. Difference of WIF1 expression in hip joint tissue was  ...[more]

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