Humanized Mouse Models That Accelerate Immuno-Oncology Development

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Evaluation of Immune-Oncology Therapies | Translational Oncology Data | Humanized Mouse Model Expertise

Biomere helps oncology drug developers evaluate complex immunotherapies using advanced humanized mouse models designed to generate clinically relevant data. Our scientists support translational oncology programs with PBMC and CD34+ stem cell humanization approaches that enable robust evaluation of checkpoint inhibitors, antibody-drug conjugates (ADCs), bispecifics, T-cell engagers, and other novel immunotherapies.

Humanized mouse models bridge the gap between syngeneic models with murine immune systems and PDX models with limited immune context. By combining immune-deficient mouse strains with human immune cells and tumor grafts, Biomere enables more predictive in vivo oncology studies that improve translational confidence.

Steps to build a Humanized Mouse Model

Generate Translational Oncology Data Without the Delays and Limitations of Large CROs

When evaluating complex immunotherapies, you need more than animal models. You need a responsive scientific partner with experience designing and executing translational studies that align with your program timelines and therapy complexity.  

Biomere’s scientists collaborate closely with biotech and pharma sponsors to develop customized preclinical humanized mouse model studies. Clients can engage directly with study teams, participate in on-site visits, and receive transparent communications at a regular cadence, throughout study execution.

Humanized mouse models studies are optimal for the following studies:

  • In vivo immune-oncology efficacy studies
  • Mechanism-of-action (MoA) studies and changes in immune cell profiling
  • Checkpoint inhibitor and T-cell engager evaluation
  • ADC and bispecific antibody testing

The Biomere team supports:

  • Humanization of immune-deficient (NSG and NCG) mice
  • Human tumor engraftment in humanized NSG or NCG mice
  • Endpoint analysis including IVIS imaging, histopathology and flow cytometry, cytokine release and gene expression profiling

Built for High-Value Immuno-Oncology Decisions

Evaluate Complex Immunotherapies with Human Immune Context

Generate clinically relevant efficacy data using humanized mouse models to evaluate immune checkpoint inhibitors, ADCs, bispecific antibodies, and T-cell engagers in vivo with functional human immune cells.

Understand Mechanism of Action

Quantify target cell depletion, immune subset dynamics, and intra-tumoral immune landscapes through integrated histopathology and flow cytometry workflows that provide deeper insight into therapeutic activity.

Detect Early Toxicity Signals

Identify cytokine release syndrome-like responses and on-target/off-tumor effects earlier in development using models that better replicate human immune responses.

Collaborate Directly with Experienced Scientists

Work with a flexible, high-touch CRO team experienced in rapidly evolving oncology discovery programs and translational immunology studies.

Humanized Mouse Model Capabilities

Biomere provides customized humanized mouse model solutions to support translational oncology and immunotherapy development programs across multiple modalities and therapeutic strategies.

  • PBMC Humanization

    Peripheral blood mononuclear cells (PBMCs) deliver rapid engraftment with robust T-cell responses and are well suited for evaluating:

    • Immune checkpoint inhibitors
    • T-cell engagers
    • Bispecific antibodies
    • T-cell co-stimulation therapies

    PBMC Advantages:

    • Engraftment within 2–4 weeks
    • Strong T-cell dominant responses
    • Rapid study startup timelines
  • CD34+ Stem Cell Humanization

    CD34+ hematopoietic stem cells generate multilineage human immune development, including:

    • T cells
    • B cells
    • NK cells
    • Dendritic cells
    • Myeloid subsets

    These models are ideal for:

    • Complex mechanism-of-action studies
    • Long-duration experiments
    • Broader immune profiling applications

    CD34+ Advantages:

    • Multilineage immune development
    • Longer experimental windows
    • Reduced early GvHD onset

Key Differences Between PBMC and CD34+ Humanization

Feature

PBMC Humanization

CD34+ Humanization

Engraftment Time

2–4 Weeks

12–16 Weeks

Immune Cell Population

T-cell dominant

Multiple immune lineages

Graft vs Host Disease Window

3–6 Weeks

10–22 Weeks

Applications of Humanized Mouse Models

Therapeutic Efficacy

Demonstrate tumor growth inhibition mediated by human immune cells in response to monotherapy or combination therapy.

Mechanism of Action

Understand how therapies engage the human immune system through immune profiling, target engagement analysis, and tumor microenvironment characterization.

Early Toxicity Indicators

Evaluate cytokine release syndrome-like responses and immune-mediated toxicities in a translational in vivo setting.

Why Biomere

  • Expertise with NSG and NCG immune-deficient mouse models
  • PBMC and CD34+ humanization capabilities
  • Translational immuno-oncology experience
  • Integrated in-life and downstream analysis
  • Flow cytometry and histopathology support
  • Flexible, collaborative study design
  • Faster study startup and timelines than many large CROs
  • Direct access to project specific scientists, technical staff and client services contacts. 
  • Strong fit for biotech startups and pharma organizations

Designed for Biotech and Pharma Teams Developing Next-Generation Immunotherapies

Whether you are evaluating checkpoint inhibitors, ADCs, bispecifics, T-cell engagers, or novel immunotherapy combinations, Biomere can help generate translational data to support critical oncology development decisions.

Ready to Plan Your Humanized Mouse Model Study?

Talk with Biomere’s scientific team about your therapeutic strategy, model requirements, study timelines, and translational endpoints.

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