p38 inhibitor SB203580 (CAT#13067) [45 (link)], JNK inhibitor SP600125 (CAT#10010466) [46 (link)], JAK inhibitor Tofacitinib CP690,550(CAT#11598) [47 ], and ERK inhibitor U-0126(CAT#70970) [48 (link)–50 (link)], were purchased from Cayman Chemical. Diphenyleneiodonium chloride DPI (CAS#4673-26-1) [39 (link)] was purchased from Sigma-Aldrich. All inhibitors were dissolved in DMSO and used at the indicated concentrations.
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