Cited by 23Monoclonal and Polyclonal Antibodies ResearchProtein purification and stabilityRNA and protein synthesis mechanisms

Rapid Generation of Monoclonal Antibodies from Single B Cells by Ecobody Technology

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Ojima-Kato, Teruyo, Morishita, Shiomi, Uchida, Yoshino, Nagai, Satomi, Kojima, Takaaki, Nakano, Hideo·2018·Antibodies

Abstract

Single B cell sampling following to direct gene amplification and transient expression in animal cells has been recognized as powerful monoclonal antibodies (mAbs) screening strategies. Here we report Ecobody technology which allows mAbs screening from single B cells in two days This technology uses Escherichia coli cell-free protein synthesis (CFPS) for mAb expression. In the CFPS step, we employed our original techniques: (1) ‘Zipbody’ as a modified Fab (fragment of antigen binding) format, in which the active Fab formation is facilitated by adhesive leucine zipper peptides fused at the C-termini of the light and heavy chains; and (2) an N-terminal SKIK peptide tag that can markedly increase protein production. By the Ecobody technology, we demonstrated rapid screening of antigen specific mAbs from immunized rabbits and Epstein-Barr Virus infected human B cells. We further obtained rabbit mAbs in E. coli expression system yielding to 8.5 mg of purified proteins from 1 L bacterial culture.

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Crossref · 10.3390/antib7040038

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  • The Ecobody technology enables efficient and cost-effective production of functional proteins including monoclonal antibodies and related fragments.

    “The well-known and innovative Ecobody technology [179] enables an efficient and cost-effective production of functional proteins including monoclonal antibodies and related fragments [76,180,181,182].”

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Authors
Ojima-Kato, T., Morishita, S., Uchida, Y., Nagai, S., Kojima, T., & Nakano, H.
Affiliations
  • iBody Inc., Furo-cho 1, Chikusa-ku, Nagoya 464-0814, Japan
  • Nagoya University (JP)
Venue
Antibodies
Publisher
MDPI AG
Published
2018-11-07
Volume
7
Issue
4
Pages
38
ISSN
2073-4468 (ISSN-L)
OpenAlex
W2900377091
Cited by
23
References
20
Citations by year
2026: 3 · 2025: 2 · 2024: 4 · 2023: 3 · 2022: 2 · 2021: 5 · 2020: 4
FWCI
1.55
Type
journal article
Language
en
Open access
Locations
  • Antibodies (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein purification and stability
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
monoclonal antibody production, cell-free protein synthesis, Escherichia coli expression, Fab fragment, rabbit antibodies

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