An Angiotensin I Converting Enzyme Polymorphism Is Associated with Clinical Phenotype When Using Differentiation-Syndrome to Categorize Korean Bronchial Asthma Patients
2011

ACE Gene Polymorphism and Asthma in Koreans

Sample size: 81 publication Evidence: moderate

Author Information

Author(s): Jung Sung-ki, Ra Jehyeon, Seo Jungchul, Jung Hee-Jae, Choi Jun-Yong, Cho Yong-Ju, Hong Mee-Suk, Chung Joo-Ho, Kim Jinju

Primary Institution: Kyung Hee University

Hypothesis

Is the angiotensin I converting enzyme (ACE) gene polymorphism associated with clinical phenotypes in Korean bronchial asthma patients?

Conclusion

The study suggests that the differentiation-syndrome classification in Korean asthma patients may be useful for understanding the pathogenesis of the disease.

Supporting Evidence

  • The genotypic frequency of ACE I/D polymorphism differed slightly between the Deficiency Syndrome Group and the Excess Syndrome Group.
  • Significant differences in allelic and genotypic frequencies of ACE I/D polymorphism were found in female patients.
  • No significant differences in pulmonary function were observed between the two groups.

Takeaway

Doctors looked at a gene that might affect asthma in Korean patients and found that how they classify their symptoms can help understand their condition better.

Methodology

The study involved 110 asthma patients who were categorized into two groups based on traditional Korean medicine and analyzed for ACE gene polymorphism using PCR.

Limitations

39 patients refused genotyping, which may limit the generalizability of the findings.

Participant Demographics

The study included 49 male and 61 female asthma patients with a mean age of 49.9 years.

Statistical Information

P-Value

P = .0043 for female patients

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/ecam/nep053

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