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Product name : PPQ-102
Item : CR1835
Price : 100mg, $845; 200mg, $1285
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CAS : 931706-15-9
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Details:
 Chemical Information
M.Wt 438.48 Storage Please store the product under the recommended conditions in the Certificate of Analysis.
Formula C26H22N4O3
CAS No 931706-15-9
Solubility

DMSO



Biological Activity of PPQ-102

 

PPQ-102 is a potent CFTR inhibitor which can completely inhibited CFTR chloride current with IC 50approximately 90 nM.
IC50 value: 90 nM [1]
Target: CFTR
in vitro: The most potent compound, 7,9-dimethyl-11-phenyl-6-(5-methylfuran-2-yl)-5,6-dihydro-pyrimido[4',5'-3,4]pyrrolo[1,2-a]quinoxaline-8,10-(7H,9H)-dione, PPQ-102, completely inhibited CFTR chloride current with IC(50) approximately 90 nM. The PPQs, unlike prior CFTR inhibitors, are uncharged at physiological pH, and therefore not subject to membrane potential-dependent cellular partitioning or block efficiency. Patch-clamp analysis confirmed voltage-independent CFTR inhibition by PPQ-102 and showed stabilization of the channel closed state [1]. The three gpSlc26 anion transporters exhibited distinct pharmacological profiles of (36)Cl(-) influx, including partial sensitivity to CFTR inhibitors Inh-172 and GlyH101, but only Slc26a11 was inhibited by PPQ-102 [2]. Airway epithelial NCI-H292 cells and primary cultures of noncystic fibrosis human airway epithelial cells were treated with cystic fibrosis transmembrane conductance regulator (CFTR) inhibitors (CFTR-inh(172) or PPQ-102) or transfected with a CFTR small interfering (si)RNA with or without a selective epidermal growth factor receptor tyrosine kinase inhibitor [3].
in vivo: PPQ-102 prevented cyst expansion and reduced the size of preformed cysts in a neonatal kidney organ culture model of polycystic kidney disease. PPQ-102 is the most potent CFTR inhibitor identified to date [1].

 

[1]. Tradtrantip L, et al. Nanomolar potency pyrimido-pyrrolo-quinoxalinedione CFTR inhibitor reduces cyst size in a polycystic kidney disease model. J Med Chem. 2009 Oct 22;52(20):6447-55.

[2]. Stewart AK, et al. SLC26 anion exchangers of guinea pig pancreatic duct: molecular cloning and functional characterization. Am J Physiol Cell Physiol. 2011 Aug;301(2):C289-303.

[3]. Martin C, et al. CFTR dysfunction induces vascular endothelial growth factor synthesis in airway epithelium. Eur Respir J. 2013 Dec;42(6):1553-62.


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