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I-191 is a potent antagonist of protease-activated receptor 2 (PAR2), inhibits multiple signaling functions in human cancer cells.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
1 mg | $82 | In Stock | |
2 mg | $118 | In Stock | |
5 mg | $198 | In Stock | |
10 mg | $298 | In Stock | |
25 mg | $498 | In Stock | |
50 mg | $725 | In Stock | |
100 mg | $987 | In Stock | |
1 mL x 10 mM (in DMSO) | $221 | In Stock |
Description | I-191 is a potent antagonist of protease-activated receptor 2 (PAR2), inhibits multiple signaling functions in human cancer cells. |
In vitro | At nanomolar concentrations, I-191 inhibited PAR2 binding of and activation by structurally distinct PAR2 agonists (trypsin, peptide, nonpeptide) in a concentration-dependent manner in cells of the human colon adenocarcinoma grade II cell line (HT29).?I-191 potently attenuated multiple PAR2-mediated intracellular signaling pathways leading to Ca2+ release, extracellular signal-regulated kinase 1/2 (ERK1/2) phosphorylation, Ras homologue gene family, member A (RhoA) activation, and inhibition of forskolin-induced cAMP accumulation.?The mechanism of action of I-191 was investigated using binding and calcium mobilization studies in HT29 cells where I-191 was shown to be noncompetitive and a negative allosteric modulator of the agonist 2f-LIGRL-NH2 The compound alone did not activate these PAR2-mediated pathways, even at high micromolar concentrations, indicating no bias in these signaling properties.?I-191 also potently inhibited PAR2-mediated downstream functional responses, including expression and secretion of inflammatory cytokines and cell apoptosis and migration, in human colon adenocarcinoma grade II cell line (HT29) and human breast adenocarcinoma cells (MDA-MB-231).?I-191 is a potent PAR2 antagonist that inhibits multiple PAR2-induced signaling pathways and functional responses.?I-191 may be a valuable tool for characterizing PAR2 functions in cancer and in other cellular, physiological, and disease settings. |
Molecular Weight | 423.48 |
Formula | C23H26FN5O2 |
Cas No. | 1690172-25-8 |
Smiles | CC(C)(C)c1cc(nn2cc(nc12)C(=O)N1CCNC(=O)C1(C)C)-c1ccc(F)cc1 |
Relative Density. | 1.29 g/cm3 (Predicted) |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||
Solubility Information | DMSO: 8.33 mg/mL (19.67 mM) | ||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||
DMSO
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