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Full-Text Articles in Medicine and Health Sciences
Pioglitazone Inhibition Of Lipopolysaccharide-Induced Nitric Oxide Synthase Is Associated With Altered Activity Of P38 Map Kinase And Pi3k/Akt, Bin Xing, Tao Xin, Randy Lee Hunter, Guoying Bing
Pioglitazone Inhibition Of Lipopolysaccharide-Induced Nitric Oxide Synthase Is Associated With Altered Activity Of P38 Map Kinase And Pi3k/Akt, Bin Xing, Tao Xin, Randy Lee Hunter, Guoying Bing
Neuroscience Faculty Publications
BACKGROUND: Previous studies have suggested that peroxisome proliferator activated receptor-gamma (PPAR-gamma)-mediated neuroprotection involves inhibition of microglial activation and decreased expression and activity of inducible nitric oxide synthase (iNOS); however, the underlying molecular mechanisms have not yet been well established. In the present study we explored: (1) the effect of the PPAR-gamma agonist pioglitazone on lipopolysaccharide (LPS)-induced iNOS activity and nitric oxide (NO) generation by microglia; (2) the differential role of p38 mitogen-activated protein kinase (p38 MAPK), c-Jun NH(2)-terminal kinase (JNK), and phosphoinositide 3-kinase (PI3K) on LPS-induced NO generation; and (3) the regulation of p38 MAPK, JNK, and PI3K by pioglitazone. …