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Reactive oxygen species (ROS)-induced cysteine S-glutathionylation is an important posttranslational modification (PTM) that controls a wide range of intracellular protein activities. However, whether physiological ROS can modulate the function of extracellular components via S-glutathionylation is unknown. Using a screening approach, we identified ROS-mediated cysteine S-glutathionylation on several...
The role of reactive oxygen intermediates (ROIs) in nuclear factor-kappaB (NF-κB) activation remains a matter of controversy. We have studied whether ROIs played any role in NF-κB induction by interleukin-1β (IL-1β) in different cell types. Our studies indicated three different pathways. IL-1β stimulation of lymphoid cells generates ROIs, which are required for IκB-α degradation and NF-κB activation...
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