Journal
MOLECULAR BRAIN RESEARCH
Volume 134, Issue 1, Pages 103-108Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molbrainres.2005.01.012
Keywords
MPTP; Parkinson's disease; animal model; alpha-synuclein; ubiquitin; dopamine; dopac; HVA; tyrosine hydroxylase
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Funding
- NINDS NIH HHS [NS38377] Funding Source: Medline
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Formation of alpha-synuclein aggregation and Lewy bodies (LBs) are hallmarks of Parkinson's disease (PD) and other related diseases. The dopaminergic neurotoxin, MPTP, replicates many of the pathological signs and motoric features of PD in primates and rodents by selective destruction of dopamine (DA) neurons of the substantia nigra. In this study, groups of adult wild-type C57BL6 mice were treated with MPTP either acutely (20 mg/kg, every 2 h X 4 for 1 day), semi-chronically (30 rng/kg/day for 5 days), or chronically (25 mg/kg MPTP with 250 mg/ kg probenecid 2 times/week for 5 weeks). Mice brains were collected and processed at various time points for immunohistochemistry and HPLC assays. Our data showed that although there is a significant decrease in DA content and its metabolites and tyrosine hydroxylase immunoreactivity, there is no inclusion body fort-nation following the various MPTP treatment regimens. (C) 2005 Elsevier B.V. All rights reserved.
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