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

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)

抄録

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].

本文言語英語
ページ(範囲)27-36
ページ数10
ジャーナルHuman Antibodies
7
1
DOI
出版ステータス出版済み - 1996
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 免疫アレルギー学
  • 免疫学

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