Ber-EP4: new monoclonal antibody which distinguishes epithelia from mesothelial.

Abstract:

:A new monoclonal antibody, Ber-EP4, directed against a partially formol resistant epitope on the protein moiety of two 34 kilodalton and 39 kilodalton glycopolypeptides on human epithelial cells is described. Immunostaining of a wide range of normal and neoplastic human tissues and cell lines showed that all carcinomas and all non-neoplastic epithelial cells, except hepatocytes, parietal cells, and apical cell layers in squamous epithelia, homogeneously expressed Ber-EP4 antigen. As Ber-EP4 does not detect any normal or neoplastic non-epithelial cells, this antibody might prove valuable for the differentiation of the following (i) non-epithelial tumours from undifferentiated carcinomas; (ii) hepatocytes from bile duct cells in certain liver diseases; (iii) mesothelial cells from carcinoma cells in lung biopsy specimens; and (iv) reactive mesothelial cells from carcinoma cells in smears of serous effusions.

journal_name

J Clin Pathol

authors

Latza U,Niedobitek G,Schwarting R,Nekarda H,Stein H

doi

10.1136/jcp.43.3.213

subject

Has Abstract

pub_date

1990-03-01 00:00:00

pages

213-9

issue

3

eissn

0021-9746

issn

1472-4146

journal_volume

43

pub_type

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