The BRGSF-HIS mouse possesses the most functional reconstituted human immune system currently available on the market. Indeed, this mouse, based on the cutting edge BRGSF model, offers new opportunities to address human-specific questions in a more relevant manner, facilitating translational research in several biomedical disciplines and approaches.

Applications of BRGSF-HIS

The BRGSF-HIS mouse model can address a broad spectrum of therapeutic areas and applications, including bispecific antibodies, immuno-oncology, infectiology, vaccines, drug screening, and personalized medicine.

  • Application in tumor biology:
    • Assessment of myeloid and lymphoid human cells recruitment and activation profile into the tumor microenvironment (TME) shaped by tumor cell type and tumor burden
  • Application in efficacy assessment of:
    • T-cell engagers
    • Myeloid-targeted therapies aiming at reprogramming the TME
    • Depleting agents working via ADCP and ADCC
    • γδ T-cell expanders, as the model has shown to develop different subsets of γδ T cells
  • Application in safety assessment of:
    • Anti-CD3 antibody OKT3 targeting the lymphoid and/or myeloid, showing the development of cytokine release syndrome hallmark features, CRS-associated features triggered by T cell or myeloid-targeting compounds and alliviated OKT3-induced CRS features with Infliximab
    • Anti-VISTA pH-selective antibody, showing the safety of SNS-101 therapeutic antibody

BRGSF-HIS features

The BRGSF-HIS mouse model possesses all of the major human hematopoietic cell subsets, such as B cells, T cells (including CD4+ Treg cells), NK cells, and the myeloid compartment, including dendritic cells (DCs), plasmacytoid cells (pDCs), and monocytes/macrophages.

  • Highly permissive to human xenograft, including primary or established tumor cells (CDX or PDXs) by virtue of the SIRPαNOD allele expression
  • Lifespan after humanization similar to that of the wild-type mouse supports long-term engraftment studies
  • Robustness to traveling (stable immune system)
  • Suitable to assess the effects of radiation treatment in vivo due to the absence of the SCID mutation on a BALB/c background
  • A complete, functional complement system makes this a powerful tool for complement-dependent cytotoxicity (CDC) studies

Related resources and publications

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Validation data

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