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Updated: Jun 28, 2026

Assessment of Sexual Behavior of Male Mice
Published on: March 5, 2020
Androgen receptor knockout and knock-in mouse models
S Kerkhofs1, S Denayer, A Haelens
1Molecular Endocrinology Laboratory, Department of Molecular Cell Biology, University of Leuven, Campus Gasthuisberg O&N1, PO Box 901, Herestraat 49, BE-3000 Leuven, Belgium.
Abstract:
Androgens play an important role in male reproductive development and function. These steroid hormones mediate their actions by binding to the androgen receptor (AR). Diseases such as androgen insensitivity syndrome, prostate cancer, Kennedy's disease, and infertility can be caused by mutations in the AR. To get a better insight into the molecular working mechanisms of the AR, several knockout and knock-in mouse models have been developed. These models are reviewed here and are compared with human diseases.
Insights
Androgen receptor (AR) research is crucial for understanding male reproductive health and diseases. Mouse models offer insights into AR molecular mechanisms and human conditions like prostate cancer.
Area of Science:
- Endocrinology
- Molecular Biology
- Genetics
Background:
- Androgens are vital steroid hormones for male reproductive development and function.
- The androgen receptor (AR) mediates androgen actions.
- AR mutations are linked to various diseases, including androgen insensitivity syndrome, prostate cancer, Kennedy's disease, and infertility.
Purpose of the Study:
- To review and compare existing knockout and knock-in mouse models of the androgen receptor.
- To enhance understanding of the AR's molecular working mechanisms.
- To correlate findings from mouse models with human AR-related diseases.
Main Methods:
- Review of literature on AR knockout and knock-in mouse models.
- Comparative analysis of mouse model phenotypes and human AR-related pathologies.
- Examination of molecular mechanisms underlying AR function and dysfunction.
Main Results:
- Mouse models successfully recapitulate aspects of human AR-related diseases.
- Specific mutations and their effects on AR signaling are elucidated through these models.
- Insights into AR's role in development, function, and disease pathogenesis are gained.
Conclusions:
- Androgen receptor mouse models are invaluable tools for studying male reproductive health and disease.
- These models facilitate the investigation of AR molecular mechanisms and the development of therapeutic strategies.
- Further research using these models will deepen our understanding of AR-related conditions.
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