Mouse models of neurological abnormalities are only valuable if accurately assessed. The three-stage SHIRPA procedure is used for the standardised assessment of mouse phenotype and has been reported in a high throughput experiment in which different mutants were ascertained at one age point using stage 1 of the protocol. In this study we have validated SHIRPA using a large cohort with one single mutation, 'legs at odd angles that causes neurological dysfunction. The cohort aged from 1 to 16 months during this study and this is the first longitudinal SHIRPA analysis.
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