Abstract
Single nucleotide polymorphisms (SNPs) are considered as very promising genetic markers for complex disease gene hunting. However, it has been demonstrated that there are significant ethnic differences in genetic variations. In order to investigate the genetic variations in the Korean population and their ethnic differences, a large number of SNPs of 161 disease candidate genes were collected from a publicly available SNP database and then tested for the distribution of allele frequency in the Korean population. Of all 458 SNPs tested, approximately 43.9% were polymorphic in the Korean population, whereas 44.5% were monomorphic. The remaining 11.6% were failed in the test. Significant differences have been observed when SNP allele frequency pattern of Koreans was compared with those of Caucasians and Africans, whereas this pattern was highly similar between Korean and Japanese populations. Our data indicate that although many of the SNPs available in publicly available database, especially coding-region SNPs (cSNPs), can be used as informative genetic markers for disease association studies, an extensive verification of public SNPs in a particular population studied should be undertaken prior to their association studies.
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Acknowledgements
This work was supported in part by an IMT-2000 research grant (01-PJ11-PG9-01BT05-0003) from The Ministry of Health and Welfare and The Ministry of Science and Technology, Korea.
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Lee, JK., Kim, HT., Cho, SM. et al. Characterization of 458 single nucleotide polymorphisms of disease candidate genes in the Korean population. J Hum Genet 48, 213–216 (2003). https://doi.org/10.1007/s10038-003-0011-9
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DOI: https://doi.org/10.1007/s10038-003-0011-9
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