Lung cancer-reacting human recombinant antibody AE6F4: Potential usefulness in the sputum cytodiagnosis

Masahiro Shoji, Seiji Kawamoto, Kiyohiko Seki, Kiichiro Teruya, Yuko Setoguchi, Katsumi Mochizuki, Masatoshi Kato, Shuichi Hashizume, Takeshi Hanagiri, Takashi Yoshimatsu, Kozo Nakanishi, Kosei Yasumoto, Akira Nagashima, Hisashi Nakahashi, Tatsuo Suzuki, Tadaaki Imai, Sanetaka Shirahata, Kikuo Nomoto, Hiroki Murakami

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Human monoclonal antibody (hMAb) AE6F4 has been shown to be potentially useful for immunocytological detection of lung cancer cells in sputum. By recombinant DNA technology, IgM type hMAb AE6F4 was switched to IgG. The IgG mimic recombinant AE6F4 antibody expression plasmid was assembled using the antibody heavy chain gene, which ligated the gene encoding VH and CH1 (µ) domains of hMAb AE6F4 heavy chain to the gene encoding CH2(γ1) and CH3(γ1) domains of human IgG heavy chain, and the antibody light chain gene of hMAb AE6F4. The recombinant antibody expressed by baby hamster kidney (BHK) -21 cells showed molecular size equivalence to IgG, and consisted of human µ-γ hybrid heavy and K light chains. The immunological specificity of the recombinant antibody was the same as that of hMAb AE6F 4 by immunoblotting analysis to the 14-3-3 protein, the putative antigen of hMAb AE6F4, and by immunohistochemical and immunocytological analyses using tissue sections and sputa of lung cancer patients. The transfected BHK-21 cells produced the recombinant antibody persistently and the productivity was greater than 20 times that by human-human hybridoma producing hMAb AE6F4. [Hum Antibod Hybridomas 1996; 7: 27-36].

Original languageEnglish
Pages (from-to)27-36
Number of pages10
JournalHuman Antibodies
Volume7
Issue number1
DOIs
Publication statusPublished - Jan 1 1996

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Cytodiagnosis
Sputum
Lung Neoplasms
Antibodies
Monoclonal Antibodies
Immunoglobulin G
Hybridomas
Cricetinae
Genes
14-3-3 Proteins
Kidney
Light
Antibody Specificity
Recombinant DNA
Immunoblotting
Immunoglobulin M
Plasmids

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

Cite this

Lung cancer-reacting human recombinant antibody AE6F4 : Potential usefulness in the sputum cytodiagnosis. / Shoji, Masahiro; Kawamoto, Seiji; Seki, Kiyohiko; Teruya, Kiichiro; Setoguchi, Yuko; Mochizuki, Katsumi; Kato, Masatoshi; Hashizume, Shuichi; Hanagiri, Takeshi; Yoshimatsu, Takashi; Nakanishi, Kozo; Yasumoto, Kosei; Nagashima, Akira; Nakahashi, Hisashi; Suzuki, Tatsuo; Imai, Tadaaki; Shirahata, Sanetaka; Nomoto, Kikuo; Murakami, Hiroki.

In: Human Antibodies, Vol. 7, No. 1, 01.01.1996, p. 27-36.

Research output: Contribution to journalArticle

Shoji, M, Kawamoto, S, Seki, K, Teruya, K, Setoguchi, Y, Mochizuki, K, Kato, M, Hashizume, S, Hanagiri, T, Yoshimatsu, T, Nakanishi, K, Yasumoto, K, Nagashima, A, Nakahashi, H, Suzuki, T, Imai, T, Shirahata, S, Nomoto, K & Murakami, H 1996, 'Lung cancer-reacting human recombinant antibody AE6F4: Potential usefulness in the sputum cytodiagnosis', Human Antibodies, vol. 7, no. 1, pp. 27-36. https://doi.org/10.3233/HAB-1996-7104
Shoji, Masahiro ; Kawamoto, Seiji ; Seki, Kiyohiko ; Teruya, Kiichiro ; Setoguchi, Yuko ; Mochizuki, Katsumi ; Kato, Masatoshi ; Hashizume, Shuichi ; Hanagiri, Takeshi ; Yoshimatsu, Takashi ; Nakanishi, Kozo ; Yasumoto, Kosei ; Nagashima, Akira ; Nakahashi, Hisashi ; Suzuki, Tatsuo ; Imai, Tadaaki ; Shirahata, Sanetaka ; Nomoto, Kikuo ; Murakami, Hiroki. / Lung cancer-reacting human recombinant antibody AE6F4 : Potential usefulness in the sputum cytodiagnosis. In: Human Antibodies. 1996 ; Vol. 7, No. 1. pp. 27-36.
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AU - Suzuki, Tatsuo

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