SB-505124 is a selective inhibitor of transforming growth factor-β type I receptor (ALK5), ALK4 and ALK7 (IC50 values are 47 and 129 nM for ALK5 and ALK4 respectively). SB-505124 also blocks more complex endpoints of TGF-beta action, as evidenced by its ability to abrogate cell death caused by TGF-beta1 treatment. SB-505124 is three to five times more potent than a related ALK5 inhibitor described previously, SB-431542.
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.
|Solubility||DMSO 60 mg/mL
Ethanol 60 mg/mL
SB-505124 is a selective inhibitor of transforming growth factor-beta type I receptors ALK4, ALK5, and ALK7.
DaCosta Byfield S, et al. Mol Pharmacol. 2004 Mar;65(3):744-52. PMID: 14978253.
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A 83-01 is a selective inhibitor of TGF-β type I receptor ALK5 kinase, type I activin/nodal receptor ALK4 and type I nodal receptor ALK7 (IC50 values are 12, 45 and 7.5 nM respectively).
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