Generation and characterization of novel co-stimulatory anti-mouse TNFR2 antibodies

Aina Segués1, Sander M J van Duijnhoven2, Marc Parade2

  • 1Aduro Biotech Europe, Oss, the Netherlands; Faculty of Veterinary Medicine, Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, the Netherlands; Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, United Kingdom.

Insights

Researchers developed new antibodies targeting mouse Tumor Necrosis Factor Receptor 2 (TNFR2). These tools help study TNFR2

Area of Science:

  • Immunology
  • Molecular Biology
  • Reagent Development

Background:

  • Tumor necrosis factor receptor 2 (TNFR2) is implicated in autoimmune diseases and cancer.
  • TNFR2's precise role in regulating immune cells remains unclear.
  • Well-characterized reagents are needed to selectively modulate TNFR2 function.

Purpose of the Study:

  • To generate and characterize novel antibodies targeting mouse TNFR2.
  • To enable the study of TNFR2-dependent biological processes in preclinical models.

Main Methods:

  • Generation, production, purification, and characterization of anti-mouse TNFR2 antibodies.
  • Assessment of antibody binding affinity, TNFα blocking potency, and epitope mapping.
  • Evaluation of antibody effects on CD8+ T-cell activation and Treg binding ex vivo.

Main Results:

  • A panel of novel antibodies targeting mouse TNFR2 was successfully generated.
  • Antibodies exhibited functional differences in binding affinity and TNFα blocking capacity.
  • Antibodies targeted distinct TNFR2 domains, influencing CD8+ T-cell activation and costimulation.
  • Antibodies bound to splenic Tregs and activated CD8+ T-cells ex vivo.

Conclusions:

  • Novel anti-mTNFR2 antibodies provide valuable tools for investigating TNFR2 biology.
  • These antibodies can modulate TNFR2 function, aiding research in autoimmunity and cancer models.
  • The characterized antibodies facilitate the study of TNFR2-mediated immune responses.

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