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A new mouse model provides insight into genetic neurological disorders
Date:5/25/2009

m.biologists.org>dmm.biologists.org> mice with mutations in the GARS gene have some of the same symptoms as CMT and HMN patients. Their hope is that this mouse can be used to study what causes these diseases and how it might effectively be treated. Mice with defects in some of this protein have problem with grip strength and motor skills while symptoms are more pronounced in animals that carry the mutation in all of their protein copies. This report is the first documentation of successful breeding of animals with this mutation, giving researchers access to new materials to understand how this gene influences human neuronal diseases.

When the researchers made the same mutation in two different breeds of mice it caused two distinguishable sets of symptoms, demonstrating that the genetic background influences the effects of the GARS gene mutation. This variability in the mouse disease symptoms is also seen in humans, and may help shed light on how CMT and HMN differently affect individual patients' symptoms.


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Contact: Kristy Kain
kristy.kain@vanderbilt.edu
The Company of Biologists
Source:Eurekalert

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