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

Akira Ichikawa, Sun Yup Shim, Yoshinori Katakura, Kiichiro Teruya, Shuichi Hashizume, Sanetaka Shirahata

Research output: Contribution to journalArticle

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Abstract

We reported previously that adenocarcinoma-reactive human monoclonal antibody AE6F4, which had been generated by in vitro immunization method, recognizes both 14-3-3 protein 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.

Original languageEnglish
Pages (from-to)101-107
Number of pages7
JournalCytotechnology
Volume36
Issue number1-3
DOIs
Publication statusPublished - Dec 1 2001

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Keratin-8
14-3-3 Proteins
Immunization
Epitope Mapping
Epitopes
Monoclonal antibodies
Antibodies
Monoclonal Antibodies
Proteins
Peptides
B-Lymphocyte Epitopes
Amino acids
Amino Acid Sequence
Adenocarcinoma
Enzyme-Linked Immunosorbent Assay
Cells
In Vitro Techniques
Technology
Scanning
Amino Acids

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering
  • Clinical Biochemistry
  • Cell Biology

Cite this

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. / Ichikawa, Akira; Shim, Sun Yup; Katakura, Yoshinori; Teruya, Kiichiro; Hashizume, Shuichi; Shirahata, Sanetaka.

In: Cytotechnology, Vol. 36, No. 1-3, 01.12.2001, p. 101-107.

Research output: Contribution to journalArticle

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abstract = "We reported previously that adenocarcinoma-reactive human monoclonal antibody AE6F4, which had been generated by in vitro immunization method, recognizes both 14-3-3 protein 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.",
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