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Cytokine action and oxidative stress response in differentiated neuroblastoma SH-SY5Y cells.

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Kania J., Barańska A., Guzdek A.
|
2003
|
vol. 50
|
issue 3
659-666
EN
In the retinoic acid-differentiated neuroblastoma SH-SY5Y cells, IL-1 induced binding activity of NFκB and up-regulated the expression and activity of MnSOD. The IL-1-elicited effects were partly reversed by IL-4 and IL-6. It is proposed that IL-4 and IL-6 may participate in the regulation of the imbalanced oxidant status induced by IL-1 in differentiated neuroblastoma cells. In the SH-SY5Y cell line, TNFα neither activated NFκ nor induced MnSOD expression and activity, but was capable of modulating the IL-1 effects. Pyrrolidine dithiocarbamate (PDTC), an inhibitor of NFκB activation, down-regulated the expression and activity of MnSOD, which may suggest that the regulation of MnSOD by IL-1 in retinoic acid-differentiated neuroblastoma cells was mediated by the nuclear factor κB.
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