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SB-505124 hydrochloride
ALK5/ALK4/ALK7 inhibitor in TGF-β/activin signalling,selective

Catalog No.A3799
Size Price Stock Qty
10mM (in 1mL DMSO)
$80.00
In stock
10mg
$120.00
In stock
50mg
$410.00
In stock

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Sample solution is provided at 25 µL, 10mM.

Quality Control

Quality Control & MSDS

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Chemical structure

SB-505124 hydrochloride

Biological Activity

Description SB-505124 hydrochloride is an inhibitor of activin receptor-like kinases (ALKs).
Targets ALK-5 ALK-4 ALK-7      
IC50            

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Chemical Properties

Cas No. 356559-13-2 SDF Download SDF
Synonyms SB 505124 hydrochloride;SB505124 hydrochloride
Chemical Name 2-[4-(1,3-benzodioxol-5-yl)-2-tert-butyl-1H-imidazol-5-yl]-6-methylpyridine
Canonical SMILES CC1=CC=CC(=N1)C2=C(N=C(N2)C(C)(C)C)C3=CC4=C(C=C3)OCO4.Cl
Formula C20H22ClN3O2 M.Wt 371.86
Solubility Soluble in DMSO Storage Store at -20°C
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.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request

Background

SB505124 is a selective inhibitor of TGFβR for ALK4, ALK5 with IC50 value of 129 nM and 47 nM [1].

Anaplastic lymphoma kinase (ALK) gets involved in the development of the brain and influence specific neurons in the nervous system.

SB505124 is a reversible ATP competitive inhibitor of ALK4 and ALK5. Incubation of the ALK5 with high concentrations of SB505124, followed by dilution to a sub-IC50 concentration resulted in no effect of downstream Smad3 phosphorylation [2]. SB505124 was shown to have no toxicity to renal epithelial A498 cells at concentrations up to 100 μM for 48 h. Evidence showed that 100% drug will release within 12 h, and the gel showed no cytotoxicity to the cultured rabbit subconjunctival cells[2]. It was observed that ALK4 downstream effectors including pSmad2, CTGF, and α-SMA was inhibited by SB505124 in cultured fibroblasts [3].

In rabbit in glaucoma filtration surgery (GFS) model, the period of filtering blebs were reduced by TGFβ induced fibroblast. The filtering blebs in the GFS with SB505124 group were maintained for more than 10 days, and the period of bleb survival was significantly longer than that in controls, which suggested the significant inhibition of ALK4 and 5 by SB505124 [2]. It was observed that ALK4 downstream effectors CTGF and α-SMA were suppressed by SB-505124 in vivo[3].

References:
[1].  DaCosta B S et al. SB-505124 is a selective inhibitor of transforming growth factor-beta type I receptors ALK4, ALK5, and ALK7. Mol Pharmacol., 2004,65(3): 744-52.
[2].  Sutariya V, et al. Thermoreversible gel for delivery of activin receptor-like kinase 5 inhibitor SB-505124 for glaucoma filtration surgery. Pharm Dev Technol., 2013, 18(4): 957-962.
[3].  Sapitro J, et al. Suppression of transforming growth factor-β effects in rabbit subconjunctival fibroblasts by activin receptor-like kinase 5 inhibitor. Mol Vis., 2010, 16: 1880-1892.