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Protein Kinase Inhibitor (PKI, SP600125 Anthra[1,9-cd]pyrazol-6(2H)-one)

Protein Kinase Inhibitor (PKI, SP600125 Anthra[1,9-cd]pyrazol-6(2H)-one)

Cat no: P9104-77A

Supplier: United States Biological
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Novel, potent and selective JNK-1,-2, and -3 inhibitor (Ki=0.19uM). SP600125 is an ATP-competitive reversible inhibitor with >20-fold selectivity vs. a range of kinases and enzymes tested. In cells, SP600125 caused a dose-dependent inhibition of the phosphorylation of c-Jun, the expression of inflammatory genes IL-2, COX-2, TNF-a, IFN-gamma, and blocked the activation and differentiation of primary human CD4 cell cultures. In animal studies, SP600125 inhibited bacterial lipopolysaccharide-induced expression of tumor necrosis factor-a and prevented anti-CD3-induced apoptosis of CD4+ CD8+ thymocytes. Melting Point: 290.5-295.5 degrees C Solubility: Prepare initial stock solutions in DMSO (soluble at 65mg/ml) for in vitro use; solubility in ethanol or water is low. Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20 degrees C under inert atmosphere. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Catalogue number: P9104-77A
Size: 300mg
Form: Supplied as a yellow to green powder.
Purity: ~99%
References: 1. Bennett, B.L., et al. "SP600125, an anthrapyrazolone inhibitor of Jun N-terminal kinase." Proc. Natl. Acad. Sci. USA 98:13681-13686 (2001). 2. Han, Z., et al. "c-Jun N-terminal kinase is required for metalloproteinase expression and joint destruction in inflammatory arthritis." J. Clin. Invest. 108:73-81 (2001).

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