Expression of recombinant antibody against cancer-specific carbohydrate

Kuniaki Takagi, Kiyoshi Yasukawa, Yoshitaka Iba, Yuji Isobe, Yasunobu Suketa, Reiji Kannagi, Katsunori Kohda, Masahiro Takagi, Tadayuki Imanaka

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Starting with a previously established hybridoma producing a monoclonal antibody (F1α75) against a synthetic glycolipid, in which the carbohydrate moiety was artificially designed to be putatively cancer-specific, we cloned complementary DNA (cDNA) for active variable regions of both heavy and light chains of the antibody. We established a Chinese hamster ovary (CHO) cell line expressing a recombinant F1α75 of human IgG class. The recombinant F1α75 retained the binding ability to its antigen and was easily purified. The result suggests that the conversion into the IgG class by genetic engineering is useful for antibodies of the IgM class which are difficult to be purified due to aggregation. Sequence analysis of variable regions of F1α75 revealed no strong homology with an antibody against galactose, the terminal residue of the synthetic glycolipid, suggesting the clinical usefulness of the recombinant F1α75.

本文言語English
ページ(範囲)405-409
ページ数5
ジャーナルJournal of Fermentation and Bioengineering
79
5
DOI
出版ステータスPublished - 1995
外部発表はい

All Science Journal Classification (ASJC) codes

  • バイオテクノロジー
  • 応用微生物学とバイオテクノロジー

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