期刊
BIOMOLECULES AND BIOMEDICINE
卷 23, 期 6, 页码 976-983出版社
ASSOC BASIC MEDICAL SCI FEDERATION BOSNIA & HERZEGOVINA SARAJEVO
DOI: 10.17305/bb.2023.9268
关键词
protein-coupled receptor 126 (GPR126); Marfan syndrome (MFS); single nucleotide polymorphism (SNP); scoliosis
Marfan syndrome is an inherited connective tissue disorder associated with spinal deformities. A study found that the SNP rs7755109 of the GPR126 gene is associated with scoliosis in patients with MFS.
Marfan syndrome (MFS) is an inherited connective tissue disorder. As the spinal growth depends on the delicate balance of forces, conditions that affect musculoskeletal matrix often lead to spinal deformities. A large cross-sectional study revealed a 63% prevalence of scoliosis among patients with MFS. Multi-ethnic genome-wide association studies and analyses of human genetic mutations showed that variations and mutations of G protein-coupled receptor 126 (GPR126) locus are associated with multiple skeletal defects, including shorter stature and adolescent idiopathic scoliosis. The study included 54 patients with MFS and 196 control patients. The DNA was extracted from peripheral blood using the saline expulsion method and single nucleotide polymorphism (SNP) determination was carried out using TaqMan probes. Allelic discrimination was performed by RT-qPCR. Significant differences in genotype frequencies were found for SNP rs6570507 in relation to MFS and sex (recessive model, odds ratio [OR] 2.46, 95% confidence interval [CI] 1.03-5.87; P = 0.03) and rs7755109 (overdominant model, OR 0.39, 95% CI 0.16-0.91; P = 0.03). The most significant association was found in SNP rs7755109, where the frequency of genotype AG was significantly different between MFS patients with scoliosis and those without (OR 5.68, 95% CI 1.09-29.48; P = 0.04). This study, for the first time, examined the genetic association of SNP GPR126 with the risk of scoliosis in patients with connective tissue diseases. The study revealed that SNP rs7755109 is associated with the presence of scoliosis in Mexican patients with MFS.
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