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Peroxisome proliferator-activated receptor gamma (PPARgamma) is a ligand-activated transcription factor important in lipid metabolism, diabetes, and inflammation. We evaluated whether human platelets and megakaryocytes express PPARgamma and whether PPARgamma agonists influence platelet release of bioactive mediators. Although PPARgamma is mainly considered(More)
BACKGROUND Hepatic ischemia-reperfusion injury (I/R) may occur in transplantation, trauma, and elective hepatic resections. Leukotrienes have been shown to play a major role in hepatic I/R injury. Five-lipoxygenase enzyme is an important enzyme in the production of leukotrienes from arachidonic acid. MK-886 is an inhibitor of 5-lipoxygenase, and montelukast(More)
BACKGROUND Inhalation of crystalline silica nanoparticles causes pulmonary damage resulting in progressive lung fibrosis. Currently, there is no effective treatment for silicosis. Tamoxifen citrate is a selective estrogen receptor modulator, which is one of the adjuvant treatment choices for breast cancer. It is also known with its inhibitory effect on the(More)
Spinal cord injury (SCI) involves a series of pathological events. Abnormal sodium influx has been implicated as one of the key events in the pathophysiology of the SCI. Pharmacological blockade of sodium channels can reduce secondary injury and increase recovery from trauma. The aim of the present study was to show the neuroprotective effect of phenytoin,(More)
BACKGROUND Peroxisome proliferator-activated receptor alpha (PPARalpha) regulates lipid metabolism upon activation by ligands. Peroxisome proliferator-activated receptor alpha may play a role in the pathogenesis of fatty liver disease. The aim of this study was to assess the PPARalpha expression pattern and mitochondrial/peroxisomal enzyme activities in(More)
Peroxisome proliferator-activated receptor gamma (PPARgamma) is a transcription factor important for adipogenesis and more recently has been shown to be an anticancer target. PPARgamma ligands, including the endogenous ligand 15-deoxy-Delta12,14-PGJ2 (15d-PGJ2) and synthetic ligands like ciglitazone and troglitazone, all induce apoptosis in normal and(More)
Lipid peroxidation has been reported to play an important role in spinal cord injury (SCI). Erythropoietin (EPO) is a hematopoietic growth factor that stimulates proliferation and differentiation of erythroid precursor cells and is also known to exert neurotrophic activity in the central nervous system. The purpose of this study was to investigate the(More)
Peroxisome proliferator-activated receptor alpha (PPARalpha) is mainly expressed in liver and involved in lipid metabolism. Oxidation of certain fatty acids in peroxisomes is under PPARalpha control. A wide variety of lipid molecules activate PPARalpha as well as the fibric acid derivative clofibrate. In the present study, we evaluated the differential(More)
OBJECT The purpose of this study was to investigate the effect of mexiletine on lipid peroxidation and on ultrastructural findings after induced spinal cord injury (SCI). The authors also compared the activity of mexiletine to that of the well-known antioxidant, methylprednisolone sodium succinate (MPSS). METHODS Wistar rats were divided into seven(More)