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Soluble human leukocyte antigen-G expression in hepatitis B virus infection and hepatocellular carcinoma

Other Titles
 B형 간염과 간암에서의 용해성 사람백혈구항원-G 표현 
Authors
 박용정 
Department
 Dept. of Laboratory Medicine (진단검사의학교실) 
Issue Date
2012
Description
Dept. of Medicine/석사
Abstract
We investigated soluble human leukocyte antigen-G (sHLA-G) expression according to the phases of hepatitis B virus (HBV) infections and hepatocellular carcinoma (HCC). A total of 267 sera from anti-HBs positive healthy individuals (n=50), chronic HBV carriers (n=45), as well as patients with active hepatitis B (n=46), liver cirrhosis (LC, n=46) and early stage HCC (n=80) were collected and assayed for sHLA-G. Relationships between sHLA-G levels and clinicopathologic parameters including HCC stages, differentiation grades, and levels of aminotransferases, HBV DNA and alpha-fetoprotein (AFP) were assessed. Concentrations of sHLA-G were higher in the active hepatitis B and HCC groups (median sHLA-G 53.7 and 178.8 U/mL, respectively) in comparison to other groups (P<0.05), and there were no statistically significant differences among sHLA-G levels of the anti-HBs positive group, chronic HBV carrier and LC groups. Serum sHLA-G concentrations were not associated with clinicopathologic indices including the levels of aminotransferases, AFP, anti-HBs titer, HBV DNA, as well as HCC stages, numbers of tumor nodules, pathologic grades and presence of vessel invasion. The receiver operating characteristic area under the curve (AUC) value of sHLA-G for differentiating HCC from LC was 0.98, which was greater than that of AFP (0.78) (P<0.0001), and sensitivity and specificity of sHLA-G were, respectively, 90.0% and 95.7% for HCC when applying a cut-off level of 97.3 U/mL. Serum sHLA-G levels could be used as a diagnostic marker for HCC. Although sHLA-G levels did not reflect the severity of HBV infections and HCC, they were related with phases of the disease.
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 2. Thesis
Yonsei Authors
Park, Yong Jung(박용정)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/133761
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