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Regulation Of Lipid Homeostasis, Inflammatory Signalling And Atherosclerosis By The Peroxisome Proliferator-Activated Receptor Delta, Lazar A. Bojic
Regulation Of Lipid Homeostasis, Inflammatory Signalling And Atherosclerosis By The Peroxisome Proliferator-Activated Receptor Delta, Lazar A. Bojic
Electronic Thesis and Dissertation Repository
The peroxisome proliferator-activated receptor (PPAR) δ is a ligand-dependent transcription factor that has been implicated in metabolic and inflammatory regulation. The molecular and physiological mechanisms by which PPARδ activation regulates lipid metabolism, inflammatory signaling and protection from atherosclerosis in states of metabolic disturbance such as insulin resistance and dyslipidemia, were investigated in a series of in vitro and in vivo studies. In vitro experiments demonstrated that PPARδ activation inhibits atherogenic lipoprotein-induced lipid accumulation and the associated proinflammatory responses. The primary mechanisms for these effects were increased fatty acid β-oxidation, decreased lipoprotein lipase (LPL) activity, reduced MAPK signaling and improved insulin …
Is Breakdown Of Fatty Acid Peroxides Involved In The Induction Of Apolipoprotein A1?, Rajat Gupta
Is Breakdown Of Fatty Acid Peroxides Involved In The Induction Of Apolipoprotein A1?, Rajat Gupta
Electronic Theses and Dissertations
Over the past few years the number of deaths caused due to cardiovascular diseases has been increasing and is of major concern. In the United States, 75% of cardiovascular-related deaths have been attributed to atherosclerosis. Western diets containing large quantities of peroxidized lipids are considered atherogenic. Heated oil in the form of fried food brings high levels of peroxidized fat and its decomposition products in the diet. Peroxidized lipids are known to increase the susceptibility of serum lipoproteins to undergo oxidation, thereby contributing to the progression of atherosclerosis. The intestinal cells are responsible for the absorption of dietary fatty acid …