Caenorhabditis elegans MPP+ model of Parkinson's disease for high-throughput drug screenings - PubMed (original) (raw)
Caenorhabditis elegans MPP+ model of Parkinson's disease for high-throughput drug screenings
Evelyn Braungart et al. Neurodegener Dis. 2004.
Abstract
The neurotoxin MPTP and its active metabolite MPP+ cause Parkinson's disease (PD)-like symptoms in vertebrates by selectively destroying dopaminergic neurons in the substantia nigra. MPTP/MPP+ models have been established in rodents to screen for pharmacologically active compounds. In addition to being costly and time consuming, these animal models are not suitable for large scale testings using compound libraries. We present a novel MPP+-based model for high-throughput screenings using the nematode Caenorhabditis elegans. Incubation of C. elegans with MPTP or its active metabolite MPP+ resulted in strong symptomatic defects including reduced mobility and increased lethality, and is correlated with a specific degeneration of the dopaminergic neurons. The phenotypic consequences of MPTP/MPP+ treatments were recorded using automated hardware and software for quantification. Incubation of C. elegans with a variety of pharmacologically active components used in PD treatment reduced the MPP+-induced defects. Our data suggest that the C. elegans MPTP/MPP+ model can be used for the quantitative evaluation of anti-PD drugs.
Copyright 2004 S. Karger AG, Basel.
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