Age-related changes in nigrostriatal dopaminergic function in heterozygous mutant dopamine transporter knock-out mice.

Age-related changes in nigrostriatal dopaminergic function in heterozygous mutant dopamine transporter knock-out mice.

Dluzen Dean E; Ji Jing; McDermott Janet L

Neuroscience letters

2010

2010-05

In this report we compared three different parameters of nigrostriatal dopaminergic (NSDA) function - locomotor activity, striatal dopamine (DA) levels and 3,4-dihydroxyphenylacetic acid (DOPAC)/DA ratios between heterozygous mutant dopamine transporter mice (+/- DAT) and their wild type controls (+/+ DAT) at three different age range periods: 4-10, 11-17 and 18-24 months of age. Locomotor activity of the +/- DAT mice failed to differ over the three age periods sampled. In +/+ DAT mice a significant decrease in locomotor activity was obtained at the

3; 4-Dihydroxyphenylacetic Acid/*metabolism; Aging/*physiology; Animals; Corpus Striatum/*metabolism; Dopamine Plasma Membrane Transport Proteins/*genetics; Dopamine/*metabolism; Heterozygote; Inbred C57BL; Knockout; Male; Mice; Motor Activity; Mutation; Substantia Nigra/*metabolism

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