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Published on: August 15, 2019
The virtuous cycle of human genetics and mouse models in drug discovery
Joseph H Nadeau1, Johan Auwerx2
1Pacific Northwest Research Institute, Seattle, WA, USA. jnadeau@pnri.org.
Abstract:
Ongoing studies in many species seek to understand the origins, architecture and consequences of phenotypic variation under normal and dysfunctional conditions, with the aim of identifying targets for intervention that can prevent, stabilize or reverse disease. Some suggest that only humans are appropriate for studying these questions and argue that candidate drug targets identified in mouse models are largely unreliable. Here, we review the vast evidence showing that mouse models continue to make fundamental contributions to our understanding of genetic principles, pathogenic mechanisms and therapeutic modalities. We propose a virtuous cycle in which the power of observational studies and natural experiments in humans are closely integrated with the rigour of true experiments in model organisms.
Insights
Mouse models are crucial for understanding disease mechanisms and developing treatments, despite some skepticism. Integrating human studies with rigorous animal research accelerates therapeutic discovery.
Area of Science:
- Genetics and Developmental Biology
- Pharmacology and Therapeutics
- Comparative Medicine
Background:
- Phenotypic variation is studied across species to find disease intervention targets.
- Concerns exist regarding the reliability of drug targets identified in mouse models for human application.
Purpose of the Study:
- To review evidence supporting the continued importance of mouse models in biomedical research.
- To advocate for integrating human observational studies with animal model experiments.
Main Methods:
- Review of existing scientific literature and evidence.
- Analysis of contributions from mouse models to understanding genetic principles and disease.
Main Results:
- Mouse models have made fundamental contributions to genetics, pathogenic mechanisms, and therapeutic strategies.
- Evidence supports the value of mouse models in biomedical research.
Conclusions:
- Mouse models remain essential for advancing our understanding of biology and disease.
- An integrated approach combining human studies and model organism research fosters a cycle of discovery.
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