Lack of association between the CALM1 core promoter polymorphism (-16C/T) and susceptibility to knee osteoarthritis in a Chinese Han population
2008

CALM1 Gene and Knee Osteoarthritis in Chinese Han Population

Sample size: 393 publication Evidence: low

Author Information

Author(s): Shi Dongquan, Ni Haijian, Dai Jin, Qin Jianghui, Xu Yong, Zhu Lunqing, Yao Chen, Shao Zhenxing, Chen Dongyang, Xu Zhihong, Yi Long, Ikegawa Shiro, Jiang Qing

Primary Institution: The Center of Diagnosis and Treatment for Joint Disease, Drum Tower Hospital Affiliated to Medical School of Nanjing University

Hypothesis

Is the CALM1 core promoter polymorphism (-16C/T) associated with knee osteoarthritis susceptibility in a Chinese Han population?

Conclusion

The study found no association between the CALM1 core promoter polymorphism -16C/T and knee osteoarthritis susceptibility in the Chinese Han population.

Supporting Evidence

  • No significant difference was detected in genotype or allele distribution between knee OA and control groups.
  • The association was negative even after stratification by sex.
  • No association was found between the -16C/T SNP genotype and clinical variables in OA patients.

Takeaway

The researchers looked at a gene to see if it affects knee arthritis in Chinese people, but they found it doesn't.

Methodology

A case-control association study with 183 knee OA patients and 210 matched controls was conducted, comparing genotype and allele frequencies.

Limitations

The study may have been limited by a relatively small sample size and the focus on a specific population.

Participant Demographics

183 patients (124 women, 59 men) with knee OA and 210 controls (142 women, 68 men), all Han Chinese.

Statistical Information

P-Value

0.996 for allele frequency, 0.802 for genotype frequency

Statistical Significance

p>0.05

Digital Object Identifier (DOI)

10.1186/1471-2350-9-91

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