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SP600125 is a potent, selective and reversible inhibitor of the three JNK enzymes (c-Jun N-terminal kinases). Inhibition is competitive with respect to ATP, and over 300-fold more selective for JNK as compared to ERK1 and p38-2 MAP kinases. SP600125 was shown to cause a dose-dependent inhibition of the phosphorylation of c-Jun, and thereby the expression of inflammatory genes COX-2, IFN-gamma, IL-2 and TNF-alpha.
SP600125 blocks the activation and differentiation of primary human CD4 cell cultures. SP600125 has also been shown to prevent apoptosis in an array of cell types, and it inhibits autophagy in HeLa cells.
1,9-Pyrazoloanthrone, Anthrapyrazolone, JNK Inhibitor II, SAPK Inhibitor II
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