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Proinflammatory cytokines produced by immune cells destroy pancreatic beta cells in type 1 diabetes. The aim of this study was to investigate the cytokine network and its effects in insulin-secreting cells. INS1E cells were exposed to different combinations of proinflammatory cytokines. Cytokine toxicity was estimated by MTT assay and caspase activation measurements. The NFκB-iNOS pathway was analyzed...
Angiogenesis is thought to be regulated by several growth factors (EGF, TGF-α, β-FGF, VEGF). Induction of these angiogenic factors is triggered by various stresses. For instance, tissue hypoxia exerts its pro-angiogenic action through various angiogenic factors, the most notable being vascular endothelial growth factor, which has been mainly associated with initiating the process of angiogenesis through...
Rat C6 glioma cells were stably transfected with a human cDNA encoding heat shock protein (HSP) 70. Immunostaining revealed the presence of largely cytosolic HSP70 in C6-hsp70 cells, but not in control (vector transfected) C6-pTK cells. Induction of nitric oxide synthase (NOS-2) expression in C6-hsp70 cells, assessed by nitrite accumulation, was significantly reduced compared to control C6-pTK cells...
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