A recombinant, fully human monoclonal antibody with antitumor activity constructed from phage-displayed antibody fragments

GA Huls, IAFM Heijnen, ME Cuomo, JC Koningsberger, E Boel, ARV de Vries, SAJ Loyson, W Helfrich, GPV Henegouwen, M van Meijer, J de Kruif, T Logtenberg*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

91 Citations (Scopus)

Abstract

A single-chain Fv antibody fragment specific for the tumor-associated Ep-CAM molecule was isolated from a semisynthetic phage display library and converted into an intact, fully human IgG1 monoclonal antibody (huMab), The purified huMab had an affinity of 5 nM and effectively mediated tumor cell killing in: in vitro and in vivo assays. These experiments show that nonimmunized phage antibody display libraries can be used to obtain high-affinity, functional, and clinically applicable huMabs directed against a tumor-associated antigen.

Original languageEnglish
Pages (from-to)276-281
Number of pages6
JournalNature Biotechnology
Volume17
Issue number3
Publication statusPublished - Mar-1999

Keywords

  • phage display
  • Ep-CAM
  • single-chain Fv
  • immunotherapy
  • recombinant antibodies
  • IMMUNE-RESPONSE
  • HUMAN IGG1
  • MOUSE
  • THERAPY
  • ANTIGEN
  • PHARMACOKINETICS
  • IMMUNOTHERAPY
  • GLYCOPROTEIN
  • RECOGNITION
  • SELECTION

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