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Comparative Study
. 2009 Aug;1(3):222-30.
doi: 10.1111/j.1757-7861.2009.00038.x.

Association between adolescent idiopathic scoliosis with double curve and polymorphisms of calmodulin1 gene/estrogen receptor-α gene

Dong Zhao  1 , Gui-xing Qiu, Yi-peng Wang, Jian-guo Zhang, Jian-xiong Shen, Zhi-hong Wu
Affiliations
Comparative Study

Association between adolescent idiopathic scoliosis with double curve and polymorphisms of calmodulin1 gene/estrogen receptor-α gene

Dong Zhao et al. Orthop Surg. 2009 Aug.

Abstract

Objective: To investigate whether single nucleotide polymorphisms (SNP) of the calmodulin1 (CALM1) and estrogen receptor-α genes correlate with double curve in adolescent idiopathic scoliosis (AIS).

Methods: A total of 67 Chinese patients with AIS with double curve and 100 healthy controls were recruited. Curve pattern and Cobb angle of each patient were recorded. The Cobb angle is at least 30°. There were 60 patients with Cobb angle ≥ 40°. According to the apical location of the major curve, there were 40 thoracic curve patients. Four polymorphic loci, including rs12885713 (-16C > T) and rs5871 in the CALM1 gene and rs2234693 (Pvu II) and rs9340799 (Xba I) in the estrogen receptor 1 (ER1) gene were analyzed by the ABI3730 genetic analyzer.

Results: The current study indicates that: (i) there are statistical differences between patients with double curve, with Cobb angle ≥ 40° and with thoracic curve and healthy controls in the polymorphic distribution of the rs2234693 site of the ER1 gene, (P= 0.014, 0.0128, 0.0184 respectively); (ii) there is a difference between patients with double curve and controls in the polymorphic distribution of the rs12885713 site in the CALM1 gene (P= 0.034); and (iii) there is a difference between thoracic curve patients and controls in the polymorphic distribution of the rs5871 site in the CALM1 gene (P= 0.0102).

Conclusions: Different subtypes of AIS might be related to different SNP. A combination of CALM1 and ER1 gene polymorphisms might be related to double curve in patients with AIS. Further study is necessary to confirm these hypotheses.

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Figures

Figure 1
Figure 1
rs12885713 (−16C > T) allele polymorphisms consisting of CC and TT homozygosis, C/T heterozygosis.
Figure 2
Figure 2
rs5871 allele polymorphisms consisting of CC and TT homozygosis, C/T heterozygosis.
Figure 3
Figure 3
rs2234693 Pvu II allele polymorphisms consisting of CC and TT homozygosis, C/T heterozygosis.
Figure 4
Figure 4
rs9340799 Xba I allele polymorphisms consisting of AA and GG homozygosis, A/G heterozygosis.
See this image and copyright information in PMC

References

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