<P><I>Objectives:</I> Although hepatitis B virus (HBV) is endemic to Korea, no large-scale survey of HBV genotypes and serotypes based on sequence analysis has been performed. <I>Methods:</I> In the present study, we geno...
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https://www.riss.kr/link?id=A107723752
2006
-
SCOPUS,SCIE
학술저널
52-57(6쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><I>Objectives:</I> Although hepatitis B virus (HBV) is endemic to Korea, no large-scale survey of HBV genotypes and serotypes based on sequence analysis has been performed. <I>Methods:</I> In the present study, we geno...
<P><I>Objectives:</I> Although hepatitis B virus (HBV) is endemic to Korea, no large-scale survey of HBV genotypes and serotypes based on sequence analysis has been performed. <I>Methods:</I> In the present study, we genotyped and serotyped HBV strains from 209 patients in two Korean regions, Seoul (107 patients) and Jeju (102 patients), an island off the southeastern Korean coast. Analyses were conducted using the direct sequencing method targeting the partial surface (S) gene (541 bp). <I>Results:</I> Phylogenetic analysis showed that all HBV strains from the 209 patients belonged to genotype C2 (100%). Of the 209 patients, 193 (92.3%), 12 (5.7%) and 1 (0.5%) were found to have the <I>adr</I>, <I>adw</I> and <I>ayr</I> serotypes, respectively. The other three strains (1.5%) showed unique serotype and were not typeable by sequence analysis. No HBV strains characteristic of Jeju island were observed. <I>Conclusions:</I> The extraordinary predominance of genotype C2 in chronic Korean patients, which is known to be associated with more severe liver disease than genotype B, suggests that the clinical manifestations of Korean HBV chronic patients are likely to differ from those found in other Asian countries, especially in Japan and Taiwan, where genotypes B and C coexist.</P><P>Copyright © 2007 S. Karger AG, Basel</P>