Related Experiment Video

Updated: Jul 16, 2026

Generation of Genetically Modified Mice through the Microinjection of Oocytes
10:19

Generation of Genetically Modified Mice through the Microinjection of Oocytes

Published on: June 15, 2017

Harnessing genetically engineered mouse models for preclinical testing

Ana I Robles1, Lyuba Varticovski

  • 1Laboratory of Human Carcinogenesis, Center for Cancer Research, NCI, NIH, 37 Convent Drive, Room 3060, Bethesda, MD 20892, United States.

Chemico-Biological Interactions
|March 17, 2007
PubMed

Insights

Genetically engineered mouse models offer better cancer therapy testing than traditional xenografts. Adapting these models through transplantation can improve preclinical drug development and clinical trial success.

Area of Science:

  • Oncology
  • Preclinical Cancer Research
  • Translational Medicine

Background:

  • Traditional xenograft models show low predictive power for human cancer drug responses.
  • Genetically engineered mouse models (GEMMs) better recapitulate cancer molecular pathways.

Purpose of the Study:

  • To review the advantages and limitations of GEMMs for cancer therapy testing.
  • To propose solutions for adapting GEMMs for broader preclinical use.
  • To guide the development of new GEMMs for cancer research.

Main Methods:

  • Discussion of advantages and limitations of GEMMs.
  • Exploration of tumor transplantation techniques for GEMMs.
  • Comparative molecular analysis of mammary tumors from MMTV-Polyoma Middle-T antigen and MMTV-wnt1 models.

Main Results:

  • GEMMs offer improved biological systems for studying cancer progression.
  • Transplantation of GEMM tumors into naïve recipients is a plausible adaptation strategy.
  • Comparative molecular analysis aids in validating models and identifying clinical correlates.

Conclusions:

  • GEMMs hold significant promise for enhancing preclinical cancer therapy testing.
  • Adapting GEMMs via transplantation can increase their utility in drug development.
  • Further development and validation of GEMMs are crucial for advancing cancer research.

More Related Videos

Somatic Genome-Engineered Mouse Models Using In Vivo Microinjection and Electroporation08:06

Somatic Genome-Engineered Mouse Models Using In Vivo Microinjection and Electroporation

Published on: May 5, 2023

CRISPR/Cas9-Mediated Highly Efficient Gene Targeting in Embryonic Stem Cells for Developing Gene-Manipulated Mouse Models10:57

CRISPR/Cas9-Mediated Highly Efficient Gene Targeting in Embryonic Stem Cells for Developing Gene-Manipulated Mouse Models

Published on: August 24, 2022

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,...
In-vitro Mutagenesis01:16

In-vitro Mutagenesis

To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.