COL9A1 gene polymorphism is associated with Kashin-Beck disease in a northwest Chinese Han population

PloS One
Xiaowei ShiXiong Guo

Abstract

We sought to determine whether genomic polymorphism in collagen IX genes (COL9A) was associated with Kashin-Beck disease (KBD). Twenty seven single nucleotide polymorphisms (SNPs) in COL9AI, COL9A2 and COL9A3 were genotyped in 274 KBD cases and 248 healthy controls using the Sequenom MassARRAY system. Associations between the COL9A polymorphism and KBD risk were detected using an unconditional logistic regression model. Linkage disequilibrium (LD) and haplotypes analysis were performed with the Haploview software. After Bonferroni correction, the frequency distribution of genotypes in rs6910140 in COL9A1 was significantly different between the KBD and the control groups (X2 = 16.74, df = 2, P = 0.0002). Regression analysis showed that the allele "C" in SNP rs6910140 had a significant protective effect on KBD [odds ratio (OR) = 0.49, 95% confidence interval (CI) = 0.34-0.70, P = 0.0001]. The frequencies of alleles and genotypes in rs6910140 were significantly different among subjects of different KBD stages (allele: X2 = 7.82, df = 2, P = 0.02, genotype: X2 = 14.81, df = 4, P = 0.005). However, haplotype analysis did not detect any significant association between KBD and COL9A1, COL9A2 and COL9A3. We observed a significant assoc...Continue Reading

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Citations

Aug 21, 2015·Functional & Integrative Genomics·Feng ZhangXiong Guo
Nov 17, 2019·Calcified Tissue International·Hongliang LiuJun Lu
May 9, 2019·Molecular Genetics & Genomic Medicine·Xue HeTianbo Jin

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Methods Mentioned

BETA
Assay
PCR

Software Mentioned

Sequenom SNP Assay Design
SPSS
Haploview

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