behavior/neurological
N |
• mice are fertile, with normal growth and no gross phenotypic abnormalities and do not exhibit dyskinesias following stress or caffeine or ethanol injection
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homeostasis/metabolism
• while dopamine levels in the striatum are normal at rest, after injection of caffeine or ethanol, mutants exhibit lower levels of the dopamine metabolite 3,4-dihydroxyphenylacetic acid (DOPAC) and lower DOPAC/dopamine ratios than wild-type mice
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