Protective properties afforded by pioglitazone against intrastriatal LPS in Sprague-Dawley rats.

Neuroscience Letters
Randy L HunterGuoying Bing

Abstract

We created an inflammation-induced Parkinson's disease model, where microglia activation leads to oxidative stress, mitochondrial dysfunction, and dopaminergic neurodegeneration in the substantia nigra. Pioglitazone, an agonist of peroxisome proliferator activated receptor-gamma (PPAR-gamma), can prevent these deficits and protect dopaminergic neurons. To continue exploring the effects of pioglitazone in this model we focused on the expression of PPAR-gamma, uncoupling protein 2 (UCP2), and mitoNEET. We report that intrastriatal lipopolysaccharide (LPS) increases striatal PPAR-gamma, UCP2, and mitoNEET expression, and pioglitazone attenuates these LPS-induced changes.

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