期刊
MOLECULAR METABOLISM
卷 3, 期 4, 页码 354-371出版社
ELSEVIER
DOI: 10.1016/j.molmet.2014.02.002
关键词
PPAR alpha; Liver; Transcriptional networks; Lipid metabolism; Expression profiling; Metabolic homeostasis; Systems biology
The Peroxisome Proliferator Activated Receptor alpha (PPAR alpha) is a transcription factor that plays a major role in metabolic regulation. This review addresses the functional role of PPAR alpha in intermediary metabolism and provides a detailed overview of metabolic genes targeted by PPAR alpha, with a focus on liver. A distinction is made between the impact of PPAR alpha on metabolism upon physiological, pharmacological, and nutritional activation. Low and high throughput gene expression analyses have allowed the creation of a comprehensive map illustrating the role of PPAR alpha as master regulator of lipid metabolism via regulation of numerous genes. The map puts PPAR alpha at the center of a regulatory hub impacting fatty acid uptake, fatty acid activation, intracellular fatty acid binding, mitochondria! and peroxisomal fatty acid oxidation, ketogenesis, triglyceride turnover, lipid droplet biology, gluconeogenesis, and bile synthesis/secretion. In addition, PPAR alpha governs the expression of several secreted proteins that exert local and endocrine functions. (C) 2014 The Author. Published by Elsevier GmbH. Open access under CC BY-NC-SA lIcense
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