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Key Documents

616461

Sigma-Aldrich

TGF-β RI Kinase Inhibitor VI, SB431542

TGF-β RI Kinase Inhibitor VI, SB431542, CAS 301836-41-9, is a cell-permeable inhibitor of SMAD2 phosphorylation. Inhibits the activity of ALK4 and ALK5 (IC₅₀ = 140 nM and 94 nM, respectively).

Synonyme(s) :

TGF-β RI Kinase Inhibitor VI, SB431542, 4-[4-(3,4-Methylenedioxyphenyl)-5-(2-pyridyl)-1H-imidazol-2-yl]benzamide, Dihydrate, 4-[4-(1,3-Benzodioxol-5-yl)-5-(2-pyridyl)-1H-imidazol-2-yl]benzamide, Dihydrate, SB-431542

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About This Item

Numéro CAS:
301836-41-9
Code UNSPSC :
51111800
Nomenclature NACRES :
NA.77

Niveau de qualité

300

Pureté

≥97% (HPLC)

Forme

solid

Fabricant/nom de marque

Calbiochem®

Conditions de stockage

OK to freeze
protect from light

Couleur

off-white

Solubilité

ethanol: 10 mg/mL
DMSO: 100 mg/mL

Conditions d'expédition

ambient

Température de stockage

2-8°C

InChI

1S/C22H16N4O3/c23-21(27)13-4-6-14(7-5-13)22-25-19(20(26-22)16-3-1-2-10-24-16)15-8-9-17-18(11-15)29-12-28-17/h1-11H,12H2,(H2,23,27)(H,25,26)

Clé InChI

FHYUGAJXYORMHI-UHFFFAOYSA-N

Description générale

A cell-permeable triarylimidazole compound that is shown to effectively inhibit cellular Smad2 phosphorylation (>90% inhibition by 10 µM inhibitor) upon vector-mediated expression of constitutively active ALK4, ALK5, or ALK7 in NIH 3T3 cells, while exhibiting little effect against Smad1 phosphorylation by other members of type I receptors for TGF-β in NIH 3T3 cultures expressing active ALK1, 2, 3, or 6. When tested directly in cell-free kinase assays, SB431542 is demonstrated to potently inhibit the activity of ALK4 and ALK5 (IC50 = 140 nM and 94 nM, respectively) with no or much reduced potency toward a panel of 24 other kinases (IC50 ≥10 µM in the presence of 10 µM ATP), including ALK2 and ALK6. Reported to improve the efficiency of 4-TF-induced human iPSCs generation from fibroblast cultures by >200-fold when used together with PD0325901 (Cat. No. 444966) and Thiazovivin (Cat. No. 420220).

Conditionnement

Packaged under inert gas

Avertissement

Toxicity: Standard Handling (A)

Informations légales

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Xiaomin Liu et al.
Stem cell research & therapy, 13(1), 198-198 (2022-05-14)
Mammalian lens regeneration holds great potential as a cataract therapy. However, the mechanism of mammalian lens regeneration is unclear, and the methods for optimization remain in question. We developed an in vitro lens regeneration model using mouse capsular bag culture
Antonella Muscella et al.
Journal of neurochemistry, 153(4), 525-538 (2019-11-16)
Following peripheral nerve injury, remnant Schwann cells adopt a migratory phenotype and remodel the extracellular matrix allowing axonal regrowth. Although much evidence has demonstrated that TGF-β1 promotes glioma cell motility and induces the expression of extracellular matrix proteins, the effects
Zachary T Hilt et al.
Circulation research, 128(5), 655-669 (2021-01-30)
Circulating monocytes can have proinflammatory or proreparative phenotypes. The endogenous signaling molecules and pathways that regulate monocyte polarization in vivo are poorly understood. We have shown that platelet-derived β2M (β-2 microglobulin) and TGF-β (transforming growth factor β) have opposing effects
Fatmah A Mansour et al.
Oncoimmunology, 9(1), 1729299-1729299 (2020-04-22)
The T-cell inhibitory molecule PD-L1 is expressed on a fraction of breast cancer cells. The distribution of PD-L1 on the different subpopulations of breast cancer cells is not well-defined. Our aim was to study the expression level of PD-L1 on
Alex J Clark et al.
Cell reports. Medicine, 2(7), 100345-100345 (2021-08-03)
Hereditary sensory neuropathy type 1 (HSN1) is caused by mutations in the SPTLC1 or SPTLC2 sub-units of the enzyme serine palmitoyltransferase, resulting in the production of toxic 1-deoxysphingolipid bases (DSBs). We used induced pluripotent stem cells (iPSCs) from patients with
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