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KMID : 1144820190250020190
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대한의생명과학회지
2019 Volume.25 No. 2 p.190 ~ p.195
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Replication Association Study between RBC Indices and Genetic Variants in Korean Population
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Lee Sang-In
Park Sang-Jung
Jin Ga-Heon
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Abstract
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Hemoglobin (Hb) concentrations and hematocrit (Hct) values can be changed by factors such as erythrocyte production, destruction, and bleeding. In addition, variants in the protein expression involved in the amount of red blood cells that determine Hb metabolism or Hct value can increase susceptibility to complex blood diseases. Previous studies have reported significant single nucleotide polymorphisms (SNPs) by applying a genome-wide association study (GWAS) on Hb levels and Hct values in European population. In this study, we confirmed whether the significant SNPs are replicated in Koreans. In previous studies, 26 and 18 SNPs with a significant correlation Hb and Hct were identified in Korean genotype data, and 21 and 12 SNPs were selected, respectively. The SNPs of PRKCE (rs10495928), TMPRSS6 (rs2235321, rs5756505, rs855791) were significantly associated with Hb (P<0.05). In the association analysis of Hct, the SNPs of HBS1L (rs6920211, rs9389268, rs9483788), PRKCE (rs4953318), SCGN (rs9348689) and TMPRSS6 (rs2413450) genes showed a significant correlation (P<0.05). Replicated SNPs and not replicated SNPs showed the difference of genetic distance calculated by Fst. The replicated SNPs with a significant correlation showed similar allele frequencies, whereas the not replicated SNPs showed a large difference in allele frequency. All replicated SNPs with significant correlations had Fst values less than 0.05, indicating that the genetic distance between the groups was close. On the other hand, the not replicated SNPs showed that the Fst value was 0.05 or more and the genetic distance was relatively large.
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KEYWORD
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Genetic association, Hematocrit, Hemoglobin, Single nucleotide polymorphism
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