Abstract 19434: The Novel PPARalpha-Selective Agonist K-877 Improves Dyslipidemia, Enhances Reverse Cholesterol Transport and Decreases Inflammation and Atherosclerosis
2013
Background: Atherosclerosis is characterized by lipid accumulation and chronic inflammation in the arterial wall. Elevated levels of apolipoprotein (apo) B-containing lipoproteins are a risk factor for cardiovascular disease (CVD). By contrast, plasma levels of high-density lipoprotein (HDL) and apoA-I are protective against CVD by enhancing HDL functionality and reverse cholesterol transport (RCT). Activation of peroxisome proliferator-activated receptor-alpha (PPARalpha), a ligand-activated transcription factor, controls plasma lipid metabolism, macrophage cholesterol handling as well as the inflammatory response. Objective: To study whether pharmacological activation of PPARalpha with the highly potent PPARalpha ligand, K-877, improves lipid metabolism, macrophage cholesterol efflux, inflammation and consequently atherosclerosis development in human apoA-I transgenic mice and in the human apolipoprotein E2 knock-in mouse (apo E2KI) model of mixed dyslipidemia and atherosclerosis. Methods and results: I...
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