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We have shown that nitric oxide treatment for 30–90 min causes inhibition of insulin secretion, DNA damage and disturbs sub-cellular organization in rat and human islets of Langerhans and HIT-T15 cells. Here rat islets and beta-cell lines were treated with various free radical generating systems S-nitrosoglutathione (nitric oxide), xanthine oxidase plus hypoxanthine (reactive oxygen species), 3-morpholinosydnonimine...
Aims/hypothesis: It is well established that long-term exposure of isolated β cells to cytokines [e.g., IL-1β] results in increased expression of inducible nitric oxide synthase and subsequent release of nitric oxide, which in turn, has been shown to mediate a wide array of effects, including alterations in cellular high-energy metabolism. In this context, several extant studies have demonstrated...
The involvement and the role of nitric oxide (NO) as a signaling molecule in the course of neuronal apoptosis, whether unique or modulated during the progression of the apoptotic program, has been investigated in a cellular system consisting of cerebellar granule cells (CGCs) where apoptosis can be induced by lowering extracellular potassium. Several parameters involved in NO signaling pathway, such...
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