期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 388, 期 4, 页码 643-647出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2009.08.008
关键词
CAC deficiency; Carnitine/acylcarnitine carrier; 9-Cis-retinoic acid; Fatty acid beta-oxidation; Fibrates; Forskolin; Gene expression; Mitochondria; PPRE; Statins
资金
- MIUR
- Center of Excellence in Genomics
- Apulia Region
- University of Bari
- Italian Human ProteomeNet [RBRN07BMCT_009]
In this study, we investigated the effects of statins, fibrates, 9-cis-retinoic acid and forskolin on the transcription of the mitochondrial carnitine/acylcarnitine carrier (CAC) gene. Statins, fibrates, retinoic acid and forskolin activate luciferase gene reporter activity driven by the -334/+3 bp region of the human CAC promoter containing wild-type ( but not mutated) PPRE. These four agents also increase CAC transcript and protein levels. The combinations of statins and fibrates, retinoic acid and fibrates and fibrates and forskolin act synergistically. Mevalonate abolishes the activation of CAC gene expression by statins; the inhibitor of the PKA pathway H89 suppresses the stimulation of CAC gene expression by forskolin. Because CAC is essential for fatty acid beta-oxidation, the above results on the regulation of CAC gene expression provide a novel contribution to the understanding of the hypolipidemic action of statins, fibrates and retinoic acid. (C) 2009 Elsevier Inc. All rights reserved.
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