Molecular analysis of cross-reactive human monoclonal antibody AE6F4 generated by in vitro immunization: Epitope mapping of AE6F4 antibody on 14-3-3 family proteins and cytokeratin 8.

Abstract:

:We reported previously that adenocarcinoma-reactive human monoclonal antibody AE6F4, which had been generated by in vitro immunization method, recognizes both 14-3-3protein and cytokeratin 8 (CK8). In this study, to analyze the cross-reactivity of AE6F4 antibody, epitopes of AE6F4 antibody on 14-3-3 proteins and CK8 were studied by using synthetic linear peptide scanning technology. To determine the locations of B cell epitope, 48 and 95 of decapeptides covering the entire 14-3-3 proteins and CK8, respectively,were synthesized and binding to AE6F4 antibody was examined by ELISA. The AE6F4 antibody was strongly reactive to peptides containing amino acid sequences TLWTSDTQGD in 14-3-3 proteins and INFLRQLYEE in CK8. These results indicate that AE6F4 antibody can recognize the different peptide sequences in 14-3-3 proteins and CK8.

journal_name

Cytotechnology

journal_title

Cytotechnology

authors

Ichikawa A,Shim SY,Katakura Y,Teruya K,Hashizume S,Shirahata S

doi

10.1023/A:1014060113186

subject

Has Abstract

pub_date

2001-07-01 00:00:00

pages

101-7

issue

1-3

eissn

0920-9069

issn

1573-0778

journal_volume

36

pub_type

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