Abstract
The mdx (muscular dystrophy X-linked) mouse is a model for human Duchenne muscular dystrophy (DMD) and is characterized by the absence of the cytoskeletal protein dystrophin. Using a cerebellar slice preparation, we show that postsynaptically mediated long-term depression (LTD) is significantly reduced in mdx Purkinje cells, while presynaptically mediated paired-pulse facilitation (PPF) is normal. This disruption of LTD could contribute to the cognitive deficit in boys with Duchenne muscular dystrophy.
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