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Updated: Feb 7, 2026

A Human Peripheral Blood Mononuclear Cell PBMC Engrafted Humanized Xenograft Model for Translational Immuno-oncology I-O Research
Published on: August 15, 2019
Humanized Mice for the Study of Immuno-Oncology
Philippe De La Rochere1, Silvia Guil-Luna2, Didier Decaudin3
1INSERM U932, and SiRIC Translational Immunotherapy Team, Translational Research Department, Institut Curie, PSL Research University, Paris F-75005, France.
Abstract:
Immunotherapy is revolutionizing cancer treatment; however, complete responses are achieved in only a small fraction of patients and tumor types. Thus, there is an urgent need for predictive preclinical models to drive rational immunotherapeutic drug development, treatment combinations, and to minimize failures in clinical trials. Humanized mouse models (HIS) have been developed to study and modulate the interactions between immune components and tumors of human origin. In this review, we discuss recent advances in the 'humanization' of mouse models to improve the quality of human immune cell reconstitution. We also highlight new insights into the basic mechanisms, and provide a preclinical evaluation of onco-immunotherapies, as well as the limitations thereof, which constitute drivers for the improvement of the models to increase their translational power.
Insights
Humanized mouse models are crucial for advancing cancer immunotherapy research. These models improve preclinical testing of immunotherapies, aiming to increase treatment efficacy and reduce clinical trial failures.
Area of Science:
- * Oncology
- * Immunology
- * Preclinical Research
Background:
- * Immunotherapy offers revolutionary cancer treatment but shows limited response rates across patient groups and tumor types.
- * There is a critical need for predictive preclinical models to guide immunotherapeutic drug development and combination strategies.
- * Humanized mouse models (HIS) are instrumental in studying human immune-tumor interactions.
Purpose of the Study:
- * To review advancements in humanizing mouse models for enhanced immune cell reconstitution.
- * To explore new mechanistic insights into human immune cell function within these models.
- * To evaluate onco-immunotherapies and identify model limitations for improved translational power.
Main Methods:
- * Review of recent literature on humanized mouse model development.
- * Analysis of mechanisms governing human immune cell engraftment and function.
- * Preclinical evaluation of current onco-immunotherapy strategies.
Main Results:
- * Improved methods for high-quality human immune cell reconstitution in mouse models.
- * Deeper understanding of human immune cell-tumor dynamics.
- * Identification of key limitations in current preclinical models for immunotherapy.
Conclusions:
- * Humanized mouse models are essential for advancing cancer immunotherapy.
- * Further model refinement is necessary to increase the translational power of preclinical findings.
- * These models are vital for optimizing immunotherapeutic approaches and minimizing clinical trial attrition.
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