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Mouse Models of Cancer Study

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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Updated: May 8, 2026

Murine Precision-Cut Liver Slices as an Ex Vivo Model of Liver Biology

Murine Precision-Cut Liver Slices as an Ex Vivo Model of Liver Biology

Published on: March 14, 2020

Transcript profiling identifies iqgap2(-/-) mouse as a model for advanced human hepatocellular carcinoma.

Dmitri V Gnatenko¹, Xiao Xu, Wei Zhu

¹Department of Medicine, Stony Brook University, Stony Brook, New York, United States of America.

|August 17, 2013

Summary

A new mouse model for hepatocellular carcinoma (HCC) lacking the IQGAP2 gene closely mimics human disease. This genetically engineered mouse model is valuable for studying HCC molecular mechanisms and developing new therapies.

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Published on: September 12, 2019

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Last Updated: May 8, 2026

Murine Precision-Cut Liver Slices as an Ex Vivo Model of Liver Biology

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Published on: March 14, 2020

An Oncogenic Hepatocyte-Induced Orthotopic Mouse Model of Hepatocellular Cancer Arising in the Setting of Hepatic Inflammation and Fibrosis

An Oncogenic Hepatocyte-Induced Orthotopic Mouse Model of Hepatocellular Cancer Arising in the Setting of Hepatic Inflammation and Fibrosis

Published on: September 12, 2019

Area of Science:

Oncology
Genetics
Molecular Biology

Background:

Genetically engineered animal models often fail to accurately represent human diseases.
Identifying precise mouse models for human cancers is crucial for understanding tumorigenesis and developing treatments.
A novel mouse model for hepatocellular carcinoma (HCC) was created by knocking out the putative tumor suppressor gene IQGAP2.

Purpose of the Study:

To determine the molecular profile of HCC tumors in the Iqgap2 knockout mouse.
To assess the relevance of this new mouse model to human HCC.
To validate the Iqgap2 knockout mouse as a suitable model for human liver cancer research.

Main Methods:

Comprehensive transcriptome analysis of Iqgap2 knockout livers.
Cross-species comparison of human and Iqgap2 knockout HCC tumors.
Utilized Significance Analysis of Microarray (SAM) and unsupervised hierarchical clustering.

Main Results:

The Wnt/β-catenin signaling pathway was identified as the primary dysregulated pathway in Iqgap2 knockout livers.
Iqgap2 knockout hepatic tumors exhibited significant molecular similarities to human HCC, particularly advanced stages.
Achieved a 78% concordance rate between mouse and human microarray data, with 117 ortholog genes showing similar expression patterns.

Conclusions:

The Iqgap2 knockout mouse model effectively recapitulates human hepatocellular carcinoma at the molecular level.
This model demonstrates high fidelity in reflecting human HCC genetic signatures.
The Iqgap2 knockout mouse is a valuable tool for future research into HCC pathogenesis and therapeutic strategies.