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Mild Hypothermia Prevents NO-Induced Cytotoxicity in Human Neuroblastoma Cells Via Induction of COX-2
AbstractThe cold-inducible protein RBM3 mediates hypothermic neuroprotection against nitric oxide (NO)-induced cell death. Meanwhile, it is well-known that cyclooxygenase-2 (COX-2) is upregulated by RBM3 in several types of cells; however, it is still unclear whether COX-2 contributes to the neuroprotective effects of mild hypothermia/RBM3 against NO-induced cell death. Using human SH-SY5Y neuroblastoma cells, it was revealed that NO remarkably downregulates the expression of COX-2 at both mRNA and protein levels. When COX-2 was silenced using siRNA technique, cells became more sensitive to NO-induced cell death. Conversel...
Source: Journal of Molecular Neuroscience - November 23, 2018 Category: Neuroscience Source Type: research