期刊
NEUROCHEMISTRY INTERNATIONAL
卷 63, 期 4, 页码 322-330出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuint.2013.06.012
关键词
Neuroprotection; Inflammation; Transcription factor
资金
- Bundesministerium fur Bildung und Forschung (BMBF) [RU08/002, RU09/030]
Peroxisome proliferator-activated receptors (PPAR alpha, -beta/delta and -gamma) are lipid-activated transcription factors. Synthetic PPAR alpha and PPAR gamma ligands have neuroprotective properties. Recently, PPAR beta/delta activation emerged as the focus of a novel approach for the treatment of a wide range of neurodegenerative diseases. To fill the gap of knowledge about the role of PPAR beta/delta in brain, new hypotheses about PPAR beta/delta involvement in neuropathological processes are requested. In this paper, we describe a novel hypothesis, claiming the existence of tight interactions between the three PPAR isotypes, which we designate the PPAR triad. We propose that PPAR beta/delta has a central control of the PPAR triad. The majority of studies analyze the regulation only by one of the PPAR isotypes. A few reports describe the mutual regulation of expression levels of all three PPAR isotypes by PPAR agonists. Analysis of these studies where pairwise interactions of PPARs were described allows us to support the existence of the PPAR triad with central role for PPAR beta/delta. In the present review, we propose the hypothesis that in a wide range of brain disorders, PPAR beta/delta plays a central role between PPAR alpha and PPAR gamma. Finally, we prove the advantages of the PPAR triad concept by describing hypotheses of PPAR beta/delta involvement in the regulation of myelination, glutamate-induced neurotoxicity, and signaling pathways of reactive oxygen species/NO/Ca2+. (C) 2013 Elsevier Ltd. All rights reserved.
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