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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Association between genetic variation in the gene for death-associated protein-3 (DAP3) and adult asthma.

Lung epithelium plays a central role in modulation of the lung inflammatory response, and lung repair and airway epithelial cells are targets in asthma and viral infection. Activated T lymphocytes release cytokines such as interferon-gamma (IFN-gamma) that induce apoptosis, or programmed cell death, of damaged epithelial cells. Death-associated protein-3 (DAP3) is involved in mediating IFN-gamma-induced cell death. To assess the possible involvement of genetic variants of DAP3 with asthma, we searched for single-nucleotide polymorphisms (SNPs) in the gene and conducted a case-control study with 1,341 subjects. We found a strong association between bronchial asthma (BA) in adults (P=0.0051, odds ratio=1.87, 95% CI=1.20-2.92), whereas no association was found with childhood asthma. The tendency was more prominent in patients with higher serum total immunoglobulin E (IgE) (>250 IU/ml) (P=0.00061, odds ratio=2.40, 95% CI=1.44-4.00). DAP3 was expressed in normal bronchial epithelial cells, and the expression was induced by IFN-gamma. These results indicated that specific variants of the DAP3 gene might be associated with the mechanisms responsible for adult BA and contribute to airway inflammation and remodeling.[1]

References

  1. Association between genetic variation in the gene for death-associated protein-3 (DAP3) and adult asthma. Hirota, T., Obara, K., Matsuda, A., Akahoshi, M., Nakashima, K., Hasegawa, K., Takahashi, N., Shimizu, M., Sekiguchi, H., Kokubo, M., Doi, S., Fujiwara, H., Miyatake, A., Fujita, K., Enomoto, T., Kishi, F., Suzuki, Y., Saito, H., Nakamura, Y., Shirakawa, T., Tamari, M. J. Hum. Genet. (2004) [Pubmed]
 
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