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Current Drug Targets


ISSN (Print): 1389-4501
ISSN (Online): 1873-5592

Targeting PPAR Isoforms Following CNS Injury

Author(s): Heather M. Yonutas and Patrick G. Sullivan

Volume 14, Issue 7, 2013

Page: [733 - 742] Pages: 10

DOI: 10.2174/1389450111314070003

Price: $65


A major focus has developed for the discovery of proregenerative and neuroprotective therapeutic agents to help the millions of Americans who receive a CNS injury annually. Tribulations have been encountered along the way due to the complicated set of pathways that are initiated post-injury. To target this complicated multifaceted signaling cascade, the most promising therapeutics target multiple pathways involved in the secondary injury cascade, such as neuroinflammation, the generation of ROS and mitochondrial dysfunction. Compelling experimental data demonstrates that mitochondrial dysfunction is a pivotal link in the neuropathological sequelae of brain injury. A group of PPAR agonists, specifically rosiglitazone and pioglitazone, have shown an extreme amount of promise in the realm of drug discovery for CNS injury due to their ability to increase functional recovery and decrease lesion volumes following injury. The therapeutic effects of these PPAR agonists are thought to be a direct result of PPAR activity however new data is arising that shows some of the effects may be independent of PPAR activity, targeting a novel mitochondrial protein called mitoNEET. In this review, a thorough evaluation of the role of PPAR and mitoNEET in rosiglitazone and pioglitazone mediated neuroprotection will be completed in order to shed light on the mechanism of a new possible therapeutic intervention for CNS injury.

Keywords: Mitochondria, mitoNEET, traumatic brain injury, spinal cord injury, excitotoxicity, neuroinflammation.

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