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Comparative Study
. 2007 Mar 2;1135(1):77-84.
doi: 10.1016/j.brainres.2006.12.011. Epub 2007 Jan 2.

Lipid-lowering drugs in the MPTP mouse model of Parkinson's disease: fenofibrate has a neuroprotective effect, whereas bezafibrate and HMG-CoA reductase inhibitors do not

Alexandre Kreisler  1 , Patrick Gelé, Jean-François Wiart, Michel Lhermitte, Alain Destée, Régis Bordet
Affiliations
Comparative Study

Lipid-lowering drugs in the MPTP mouse model of Parkinson's disease: fenofibrate has a neuroprotective effect, whereas bezafibrate and HMG-CoA reductase inhibitors do not

Alexandre Kreisler et al. Brain Res. .

Abstract

We tested the ability of simvastatin, atorvastatin, fenofibrate and bezafibrate (two synthetic peroxisome proliferator-activated receptor-alpha (PPAR-alpha) agonists) to prevent dopaminergic cell death in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of Parkinson's disease. Tyrosine hydroxylase (TH) immunochemistry was performed 8 days after acute MPTP intoxication. When orally administered for the week prior to intoxication and a week thereafter, fenofibrate prevented the MPTP-induced dopaminergic cell loss in the substantia nigra pars compacta (SNpc) and attenuated the loss of tyrosine hydroxylase immunoreactivity in the striatum. The dosage of 1-methyl-4-phenyl pyridinium (MPP+) in the striatum by high-performance liquid chromatography indicated that fenofibrate did not affect MPTP metabolism. Bezafibrate had no effect and, strikingly, simvastatin and atorvastatin had a negative effect. We also demonstrated the presence of PPAR-alpha in the dopaminergic neurons of the murine substantia nigra. Our data suggest that PPAR-alpha activation by fenofibrate could have a neuroprotective effect in PD through inhibition of inflammation, oxidative stress and/or apoptosis.

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