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A 205804 E-selectin/ICAM-1 expression inhibitor

Catalog No.A8662
Size Price Stock Qty
50mg
$329.00
In stock
10mg
$79.00
In stock

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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

A 205804

Biological Activity

Description A-205804 is a potent and selective inhibitor of E-selectin and ICAM-1 expression with IC50 values of 20 nM and 25 nM, respectively.
Targets E-selectin ICAM-1        
IC50 20 nM 25 nM        

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Chemical Properties

Cas No. 251992-66-2 SDF Download SDF
Synonyms N/A
Chemical Name 4-(4-methylphenyl)sulfanylthieno[2,3-c]pyridine-2-carboxamide
Canonical SMILES CC1=CC=C(C=C1)SC2=C3C=C(SC3=CN=C2)C(=O)N
Formula C15H12N2OS2 M.Wt 300.39
Solubility Soluble in DMSO > 10 mM Storage Store at -20°C
Physical Appearance White solid Shipping Condition Evaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.

Background

A-205804 is a potent and selective inhibitor of E-selectin and ICAM-1 with IC50 value of 20 nM and 25 nM, respectively [1].

E-selectin is a cell adhesion molecule and plays an important role in recruiting leukocytes to injury site during inflammation process. ICAM-1 (intracellular adhesion molecule 1) is a ligand for LFA-1 and involves in leukocytes binding to endothelial cells process. It has been reported that abnormal expression of E-selectin and ICAM-1 are correlated with a variety of cancers [2].

A-205804 is a selective E-selectin and ICAM-1 inhibitor over VCAM-1. When tested with primary HUVECs cells, A-205804 treatment reduced cell migration ability by inhibiting the expression of E-selectin and ICAM-1 [3]. In human vascular endothelial cells using whole-cell high-throughput assay, it was shown that A-205804 exhibited potent and selective inhibition to E-selectin and ICAM-1 with low concentrations [1]. Further, it was revealed that A-205804 inhibited E-selectin and ICAM-1 expressions by translocating to cell nucleus and noncovalently associated with macromolecules of molecular weight greater than 650 kDa when tested with human umbilical vein endothelial cells (HUVECs) [4].

References:
[1].  Stewart, A.O., et al., Discovery of inhibitors of cell adhesion molecule expression in human endothelial cells. 1. Selective inhibition of ICAM-1 and E-selectin expression. J Med Chem, 2001. 44(6): p. 988-1002.
[2].  Chang, C.Z., et al., Valproic acid attenuates intercellular adhesion molecule-1 and E-selectin through a chemokine ligand 5 dependent mechanism and subarachnoid hemorrhage induced vasospasm in a rat model. J Inflamm (Lond), 2015. 12: p. 27.
[3].  Zhu, G.D., et al., Selective inhibition of ICAM-1 and E-selectin expression in human endothelial cells. 2. Aryl modifications of 4-(aryloxy)thieno[2,3-c]pyridines with fine-tuning at C-2 carbamides. J Med Chem, 2001. 44(21): p. 3469-87.
[4].   Zhu, G.D., et al., Synthesis and mode of action of (125)I- and (3)H-labeled thieno[2,3-c]pyridine antagonists of cell adhesion molecule expression. J Org Chem, 2002. 67(3): p. 943-8.