Construction of tumor-specific cells expressing a membrane-anchored single-chain Fv of anti-ErbB-2 antibody

Masataka Suzuki, Masashige Shinkai, Hiroyuki Honda, Masamichi Kamihira, Shinji Iijima, Takeshi Kobayashi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Cells expressing a membrane-anchored single-chain fragment variable (scFv) domain against a tumor-specific antibody were fabricated. These cells were able to bind to cells of a human colon cancer line (BM314) expressing the erbB-2 proto-oncogene. A plasmid, pMFverbB, was first constructed in which the anti-ErbB-2 scFv gene was cloned in-frame between a signal peptide sequence and the platelet-derived growth factor receptor (PDGFR) transmembrane domain gene to express scFv on the cell surface. An African green monkey cell line, COS-1, was stably transfected with pMFverbB. Immunofluorescence assay experiments and microscopic observation showed that the cells expressing scFv bound to the human tumor cells overexpressing the ErbB-2 protein as well as to cells of a mouse fibroblast line (NIH-3T3) transfected with the erbB-2 gene. The cells expressing scFv could take up magnetite cationic liposomes as a model of particle-type drug and retained the ability to target ErbB-2-expressing cells. The fabricated cells have the potential to serve as drug carriers in drug targeting applications.

Original languageEnglish
Pages (from-to)191-196
Number of pages6
JournalBiochimica et Biophysica Acta - General Subjects
Volume1525
Issue number1-2
DOIs
Publication statusPublished - Feb 16 2001
Externally publishedYes

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Single-Chain Antibodies
Tumors
Cells
Membranes
Antibodies
Neoplasms
Genes
Ferrosoferric Oxide
Platelet-Derived Growth Factor Receptors
Drug Carriers
Fibroblasts
Protein Sorting Signals
Liposomes
erbB-2 Genes
Neoplasm Antibodies
Cercopithecus aethiops
Assays
Proto-Oncogenes
Plasmids
Drug Delivery Systems

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology

Cite this

Construction of tumor-specific cells expressing a membrane-anchored single-chain Fv of anti-ErbB-2 antibody. / Suzuki, Masataka; Shinkai, Masashige; Honda, Hiroyuki; Kamihira, Masamichi; Iijima, Shinji; Kobayashi, Takeshi.

In: Biochimica et Biophysica Acta - General Subjects, Vol. 1525, No. 1-2, 16.02.2001, p. 191-196.

Research output: Contribution to journalArticle

Suzuki, Masataka ; Shinkai, Masashige ; Honda, Hiroyuki ; Kamihira, Masamichi ; Iijima, Shinji ; Kobayashi, Takeshi. / Construction of tumor-specific cells expressing a membrane-anchored single-chain Fv of anti-ErbB-2 antibody. In: Biochimica et Biophysica Acta - General Subjects. 2001 ; Vol. 1525, No. 1-2. pp. 191-196.
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