Expression and characterization of human rheumatoid factor single-chain Fv

Yoshio Hashimoto, Takeshi Ikenaga, Kiyoshi Tanigawa, Tadashi Ueda, Ichiko Ezaki, Taiji Imoto

研究成果: Contribution to journalArticle査読

7 被引用数 (Scopus)

抄録

The variable region of heavy chain (V(H)) of human rheumatoid factor (hRF) IgM was connected with the variable region of light chain (V(L)) with the peptide-linker (GGGSGGGSGGGS) by genetic engineering method and the single-chain Fv (scFv) was expressed in E. coli. On design, scFv and scFv (tag) were planned; the latter had a detection marker at the carboxyl-terminal. These scFvs were expressed as inclusion bodies in E. coli, purified in the presence of 8 M urea by gel filtration and renatured to the active form in vitro. As a control, the Fv, non-covalently associated V(H) and V(L) fragments, was also constructed. The 3 derivatives showed almost the same binding activity to rabbit-IgG to which hRF is cross-reactive. ScFv (tag) was the most stable against urea among the 3 derivatives.

本文言語英語
ページ(範囲)941-945
ページ数5
ジャーナルBiological and Pharmaceutical Bulletin
23
8
DOI
出版ステータス出版済み - 2000

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Pharmaceutical Science

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