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Related Concept Videos

Mouse Models of Cancer Study02:43

Mouse Models of Cancer Study

Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
Mouse Models of Cancer Study02:43

Mouse Models of Cancer Study

Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...

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Related Experiment Video

Updated: May 25, 2026

A Double Humanized BLT-mice Model Featuring a Stable Human-Like Gut Microbiome and Human Immune System
07:32

A Double Humanized BLT-mice Model Featuring a Stable Human-Like Gut Microbiome and Human Immune System

Published on: August 30, 2019

Current advances in humanized mouse models.

Ryoji Ito1, Takeshi Takahashi, Ikumi Katano

  • 1Central Institute for Experimental Animals, Kawasaki, Japan.

Cellular & Molecular Immunology
|February 14, 2012
PubMed
Summary
This summary is machine-generated.

Humanized mouse models are crucial for disease research. Newer models with human cytokines improve the accuracy of human hematopoietic cell development for better in vivo studies.

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Testing Cancer Immunotherapeutics in a Humanized Mouse Model Bearing Human Tumors
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A Double Humanized BLT-mice Model Featuring a Stable Human-Like Gut Microbiome and Human Immune System
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Testing Cancer Immunotherapeutics in a Humanized Mouse Model Bearing Human Tumors
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Testing Cancer Immunotherapeutics in a Humanized Mouse Model Bearing Human Tumors

Published on: December 16, 2022

Area of Science:

  • Immunology
  • Hematology
  • Transplantation Biology

Background:

  • Humanized mouse models are vital for studying human diseases and immune responses in vivo.
  • Highly immunodeficient mouse strains, like NOD/SCID/γc(null) and Rag2(null)γc(null), are essential for successful xenotransplantation.
  • Previous models using these strains showed high human cell engraftment but sometimes lacked full phenotypic and functional fidelity.

Purpose of the Study:

  • To review current knowledge on human hematopoietic cells developed in advanced humanized mouse models.
  • To summarize the utility of these improved models for various human disease research applications.
  • To highlight advancements in creating more accurate in vivo models of human hematopoiesis and immunology.

Main Methods:

  • Development of immunodeficient mouse models by introducing the IL-2Rγ(null) gene.
  • Generation of novel immunodeficient mouse strains by genetically introducing human cytokine genes into existing models (e.g., NOD/SCID/γc(null), Rag2(null)γc(null)).
  • Transplantation of human hematopoietic stem cells (HSCs) into these engineered mouse models.

Main Results:

  • Early immunodeficient strains enabled high rates of human cell engraftment and multilineage hematopoietic cell differentiation.
  • Newer mouse models incorporating human cytokine genes demonstrate enhanced phenotypic and functional resemblance of human hematopoietic cells to those in humans.
  • These advanced humanized mice facilitate more accurate in vivo analysis of human hematology and immunology.

Conclusions:

  • Genetically engineered immunodeficient mice expressing human cytokines represent a significant advancement in humanized model development.
  • These improved models offer greater fidelity for studying human hematopoietic stem cell development and function in vivo.
  • The reviewed humanized mouse models provide powerful platforms for advancing basic and applied research in human diseases.