Applications of the genO‑hVISTA/hFcRn/hFcγR mouse model
Useful applications for researchers working in different biomedical fields, such as immuno-oncology, inflammation and autoimmunity:
- Assess pharmacokinetics and pharmacodynamics (PK/PD) features, including biodistribution and binding affinity
- Assess the efficacy of VISTA-targeting antibodies and understand the contribution of the Fc region:
- Perform tumor growth inhibition assays in the context of monotherapies or combotherapies
- Ex vivo assessment of antibody-dependent cellular cytotoxicity (ADCC) induced by different monoclonal antibodies
- Screen FcR-binding therapeutics based on extended half-life
- Gain insight into the mechanism of action (MOA) of diverse constructs and their potential therapeutic benefit
- Evaluate the safety and toxicity of compounds
- Suitable for toxicological assessments, including those relating to reproductive toxicity, as an alternative to non-human primate (NHP) models
Features
This model combines the features of two extensively validated models: genO-hVISTA and genO-hFcγR/hFcRn.
- genO‑hVISTA/hFcRn/hFcγR/mice have a human-like FcγR expression pattern and physiological expression of humanized VISTA and humanized FcRn
- Expression of the following humanized receptors: FcγRI (CD64), FcγRIIA (CD32A), FcγRIIB (CD32B), FcγRIIIA (CD16A), FcγRIIIB (CD16B)
- Functional Fcγ receptors enable the assessment of Fc-mediated effector functions
- Higher physiological affinity of human serum albumin to human FcRn
- No expression of murine FcγR, murine FcRn nor murine VISTA
- Fully immunocompetent model
Guides: Compare FcγR and FcRn mouse models and select the most relevant platform for evaluating therapeutic antibodies and the best fit for your antibody PK/PD studies. Read the FcγR guide or the FcRn guide.
Clients

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