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Kang SW, Kim SK, Han YR, Hong D, Chon J, Chung JH, Hong SJ, Park MS, Ban JY. Promoter Polymorphism (-308G/A) of Tumor Necrosis Factor-Alpha ( TNF-α) Gene and Asthma Risk: An Updated Meta-Analysis. Genet Test Mol Biomarkers 2019; 23:363-372. [PMID: 31161819 DOI: 10.1089/gtmb.2018.0238] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background and Aims: The relationship between the promoter polymorphism (-308G/A) of the tumor necrosis factor-alpha (TNF-α) gene and the susceptibility to asthma has been tested in several studies. However, the results have been inconsistent. Therefore, we performed an updated meta-analysis to evaluate the relationship between this promoter polymorphism of the TNF-α gene and the risk of asthma. Methods: Fifty case-control studies were included in this meta-analysis which provided 17,937 controls and 9961 asthma patients. The pooled p-value, odds ratio (OR), and 95% confidence interval (95% CI) were used to investigate the strength of the association of this polymorphism of the TNF-α gene with the risk of asthma. The meta-analysis was carried out by Comprehensive Meta-Analysis software. Results: The results of our meta-analysis revealed that the TNF-α polymorphism (-308, G/A) was strongly associated with the risk of asthma (p < 0.05 in the allelic, dominant, and recessive models, respectively). In further analyses, based on age group and ethnicity, we observed this association for all subpopulations examined (p < 0.05 in allelic, dominant, and recessive models, respectively). Conclusion: This large-scale meta-analysis supports a strong association between the TNF-α gene promoter polymorphism (-308G/A) and the development to asthma in both children and adults.
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Affiliation(s)
- Sang Wook Kang
- 1 Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
| | - Su Kang Kim
- 2 Department of Biomedical Laboratory Science, Catholic Kwandong University, Gangneung, Republic of Korea
| | - Young Rok Han
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - DongWhan Hong
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Jinmann Chon
- 3 Department of Physical Medicine and Rehabilitation, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Joo-Ho Chung
- 4 Kohwang Medical Research Institute, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Seoung-Jin Hong
- 5 Department of Prosthodontics, Kyung Hee University Dental Hospital, Seoul, Republic of Korea
| | - Min-Su Park
- 6 Department of Surgery, School of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Ju Yeon Ban
- 1 Department of Dental Pharmacology, School of Dentistry, Dankook University, Cheonan, Republic of Korea
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