The benefits and limitations of animal models for translational research in neurodegenerative diseases

Mathias Jucker ¹

⁰Department of Cellular Neurology, Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany. mathias.jucker@uni-tuebingen.de

Nature Medicine +

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November 6, 2010

View abstract on PubMed

Summary

Genetically engineered mouse models are crucial for studying human neurodegenerative diseases. Careful study design and interpretation are key to ensuring these animal models accurately predict clinical outcomes.

Area Of Science

Neuroscience
Genetics
Pharmacology

Background

Age-related neurodegenerative diseases are predominantly human-specific.
Spontaneous occurrence in animals is rare, necessitating alternative models.
Genetically engineered mouse models offer a platform to study human disease mechanisms.

Purpose Of The Study

To summarize current genetically engineered mouse models for neurodegenerative diseases.
To highlight critical questions for evaluating the utility of animal models.
To identify limitations of current models in predicting human clinical outcomes.

Main Methods

Review of existing literature on genetically engineered mouse models.
Analysis of the predictive value of mouse models in preclinical studies.
Discussion of translational challenges and interpretation of model data.

Main Results

Mouse models can recapitulate aspects of human neurodegenerative diseases.
When used appropriately, mouse models have shown predictive value for clinical outcomes.
Translational failures often stem from inadequate preclinical studies and misinterpretation, not solely model limitations.

Conclusions

Genetically engineered mouse models are valuable tools for neurodegenerative disease research.
Critical evaluation of model validity and study design is essential for successful translation.
Further refinement of questions asked of animal models is needed to maximize their predictive power.

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