Related Experiment Video
Updated: Jul 6, 2026

08:05
Generation of a Mouse Prostate Organoid-Based Model for Studying Host-Pathogen Interactions
Published on: February 27, 2026
Temporally controlled prostate epithelium-specific gene alterations.
H Artee Luchman1, Hana C Friedman, Michelle L Villemaire
1Department of Biochemistry and Molecular Biology, The McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada.
Summary
Researchers developed a new mouse model for studying prostate cancer. This tamoxifen-inducible Cre-ER(T2) system allows precise control over gene alterations in prostate cells, aiding research into prostate tumorigenesis.
Area of Science:
- Genetics
- Molecular Biology
- Oncology
Background:
- Prostate cancer research requires accurate animal models to study disease progression.
- Existing models often lack the ability to precisely control gene alterations.
- Understanding the impact of various factors on prostate cancer development is crucial.
Purpose of the Study:
- To develop a novel mouse model for inducible and prostate-specific gene manipulation.
- To enable temporal control over genetic modifications in the mouse prostate epithelium.
- To create a platform for studying prostate tumorigenesis influenced by environmental, hormonal, and age-related factors.
Main Methods:
- Utilized the Hprt locus for targeted transgenesis.
- Developed mice expressing tamoxifen-inducible Cre-ER(T2) fusion protein.
- Employed ARR2-rat probasin promoter for prostate epithelial cell-specific expression.
- Validated recombinase activity using ROSA26-lacZ and ROSA26-EYFP reporter strains.
Main Results:
- Successfully generated mice with tamoxifen-inducible Cre-ER(T2) expression.
- Demonstrated specific expression in the prostatic epithelium.
- Confirmed strict tamoxifen dependency for Cre-ER(T2) activity.
- Reporter strains confirmed precise and localized recombination.
Conclusions:
- The developed mouse model offers precise temporal control over gene alterations in the mouse prostate.
- This system is valuable for analyzing gene function and phenotypic consequences at any age.
- It serves as an ideal platform for investigating prostate cancer development and the influence of external factors.

