Abstract
Cyclin-dependent kinase 5 (CDK5), a proline-directed serine/threonine kinase, which was originally known for its regulatory role in neuronal activities, has recently been suggested to play a role in extraneuronal activities. For example, a recent study detected overexpression of the CDK5 gene in non-small-cell lung cancer. Therefore, in order to explore the association of the CDK5 gene with lung cancer risk in a Korean population, the genotypes of the CDK5 promoter region were determined in 407 lung cancer patients and 402 normal participants. The result showed that the −904 G>A genotype affected susceptibility to lung cancer risk (odd ratios (OR)=1.53, 95% confidence interval (CI)=1.02–2.32). Furthermore, subsequent haplotype analysis of three single-nucleotide polymorphism (SNP) regions suggested that the A–G–C haplotype was associated with a higher overall risk of lung cancer (OR=1.59, 95% CI=1.16–2.18). These results suggest that CDK5 promoter polymorphisms contribute to the genetic susceptibility to lung cancer in the Korean population.
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Acknowledgements
We thank Young Lim, Dong-Hoon Shin, Choon-Sik Park and Yangsoo Jang for sample collection and provision. This study was supported by a grant of the Korea Health 21 R&D Project, Ministry of Health & Welfare, Republic of Korea (A010250).
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Choi, H., Lee, Y., Park, K. et al. Single-nucleotide polymorphisms in the promoter of the CDK5 gene and lung cancer risk in a Korean population. J Hum Genet 54, 298–303 (2009). https://doi.org/10.1038/jhg.2009.29
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DOI: https://doi.org/10.1038/jhg.2009.29
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