A Preliminary Study on Expression and Significance of Pre-S1 Protein in Liver Tissue of Patients with HBV Infection

Overview

Journal J Tongji Med Univ

Specialty General Medicine

Date 1989 Jan 1

PMID 2760966

Authors

K Q Hu

L J Hao

Y Y Zhang

H Schaller

Affiliations

Soon will be listed here.

Abstract

Rabbit antiserum to Pre-S1 protein was used to establish peroxidase-antiperoxidase (PAP) and avidin-biotin-peroxidase complex (ABC) immunohistochemical techniques for detection of Pre-S1 protein in paraffin-embedded liver tissue. Pre-S1 protein could be expressed in hepatocyte cytoplasm and on membrane in some cases with chronic viral hepatitis, cirrhosis and hepatocellular carcinoma (HCC), and its expression was intimately associated with HBsAg, HBcAg in liver and HBV DNA in serum, indicating that pre-S1 protein may represent the essential component of hepatitis B virus (HBV) and also serve as one of the markers of HBV infection. The incidence of Pre-S1 protein was slightly lower in nontumorous liver of HCC than in other cases and Pre-S1 protein could not be detected in tumorous tissue of HCC suggesting that expression of pre-S1 protein may be suppressed in HCC cases.

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