Cited by 214Monoclonal and Polyclonal Antibodies ResearchProtein purification and stabilityMultiple Myeloma Research and Treatments

Preferential species-restricted heavy/light chain pairing in rat/mouse quadromas. Implications for a single-step purification of bispecific antibodies

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Lindhofer, H, Mocikat, R, Steipe, B, Thierfelder, S·1995·The Journal of Immunology

Abstract

Conventional mouse/mouse or rat/rat hybrid-hybridoma supernatants contain up to 10 different IgG molecules consisting of various combinations of heavy and light chains. Hence, the yield of functional bispecific Ab is low, and purification is often complicated, hampering a general preclinical evaluation of, e.g., bispecific Ab-mediated tumor immunotherapy in animal models. In experiments to overcome this drawback we found that fusion of rat with mouse hybridomas opens the possibility of large scale production of bispecific Ab due to the increased incidence of correctly paired Ab and facilitated purification. In essence, rat/mouse quadroma-derived bispecific Ab have the following advantages: 1) enrichment of functional bispecific Ab because of preferential species-restricted heavy/light chain pairing (observed in four of four rat-mouse quadromas) in contrast to the random pairing in conventional mouse/mouse or rat/rat quadromas, and 2) a possible one-step purification of the quadroma supernatant with protein A. This simple chromatography step does not bind unwanted variants with parental rat/rat heavy chain configuration, and the desired rat/mouse bispecific Ab are retained, which can then easily be separated from parental mouse Ab by sequential pH elution.

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Crossref · 10.4049/jimmunol.155.1.219

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  • Using an original subclass combination of mouse IgG2a and rat IgG2b, Lindhofer and collaborators demonstrated preferential species-restricted heavy/light chain pairing, in contrast to random pairing in conventional quadromas, and sequential pH elution on protein A to separate the desired bispecific antibody from parental monoclonal antibody.

    “By using an original subclass combination (mouse IgG2a and rat IgG2b), they demonstrated a preferential speciesrestricted heavy/light chain pairing, in contrast to the random pairing in conventional mouse/mouse or rat/rat quadromas, as well as use of sequential pH elution on protein A to easily separate the desired bsAb from the parental mAb.”

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Authors
Lindhofer, H., Mocikat, R., Steipe, B., & Thierfelder, S.
Affiliations
Helmholtz Munich (DE)
Venue
The Journal of Immunology
Published
1995-07-01
Volume
155
Issue
1
Pages
219-225
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1921660070
Cited by
213
References
0
Citations by year
2026: 3 · 2025: 2 · 2024: 4 · 2023: 7 · 2022: 12 · 2021: 10 · 2020: 4 · 2019: 14 · 2018: 7 · 2017: 16 · 2016: 11 · 2015: 11 · 2014: 17 · 2013: 18 · 2012: 13
FWCI
2.10
Type
journal article
Language
en
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Site cant be reached (submittedVersion, other-oa)
  • PuSH - Publication Server of Helmholtz Zentrum München (submittedVersion)
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
  • Health Sciences › Medicine › Hematology › Multiple Myeloma Research and Treatments
Keywords
bispecific antibodies, hybridoma fusion, antibody purification, protein A chromatography, cancer immunotherapy, monoclonal antibody production
MeSH terms
Animals, Chromatography, Ion Exchange, Enzyme-Linked Immunosorbent Assay, Flow Cytometry, Hybridomas, Immunoglobulin Heavy Chains, Immunoglobulin Light Chains, Mice, Inbred AKR, Nerve Tissue Proteins, Rats, Inbred Strains, Recombinant Fusion Proteins, Species Specificity, Staphylococcal Protein A, Immunoblotting, Rats, Sprague-Dawley, Antibodies, Bispecific, Mice, Rats

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