Vitamin D binding protein variants associate with asthma susceptibility in the Chinese han population
2011

Vitamin D Binding Protein Variants and Asthma in Chinese Han Population

Sample size: 755 publication Evidence: moderate

Author Information

Author(s): Li Fei, Jiang Lei, Willis-Owen Saffron A, Zhang Youming, Gao Jinming

Primary Institution: Peking Union Medical College Hospital

Hypothesis

Are polymorphisms of genes encoding for vitamin D receptor, vitamin D 25-hydroxylase, and vitamin D binding protein associated with asthma in the Chinese Han population?

Conclusion

Variants in the GC gene are associated with asthma susceptibility in the Chinese Han population.

Supporting Evidence

  • The study included 467 asthma patients and 288 healthy controls.
  • Variants in the GC gene were significantly associated with asthma susceptibility.
  • No significant association was found for VDR and CYP2R1 variants.

Takeaway

This study found that certain genetic variations related to vitamin D are linked to asthma risk in Chinese people.

Methodology

The study sequenced exons of VDR and CYP2R1 in a case-control cohort of asthma patients and healthy controls, genotyping specific SNPs.

Limitations

The study did not find associations between VDR and CYP2R1 variants and asthma, suggesting potential limitations in the genetic markers studied.

Participant Demographics

467 asthma patients and 288 unrelated healthy controls, predominantly Han ethnicity.

Statistical Information

P-Value

0.006

Confidence Interval

95% CI = 1.01-1.78

Statistical Significance

p = 0.006

Digital Object Identifier (DOI)

10.1186/1471-2350-12-103

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