A83-01 is a potent and selective TGF-β pathway inhibitor. It inhibits ALK5 (IC50~12 nM), ALK4 (IC50~45 nM) and ALK7 (IC50~7.5nM).
It only has weak inhibitory activity on ALK1, 2, 3, and 6. It blocks
phosphorylation of Smad2 and inhibits TGF-β-induced
epithelial-to-mesenchymal transition. A83-01 has been used to enhance
iPSC reprogramming, induce neural differentiation of human pluripotent
stem cells, and promote na?ve state of pluripotent stem cells.
How to Use:
In vitro:? A83-01 is typically used at 10 μM as final concentration in cell culture.
In vivo: A83-01 was orally dosed to mice at 100-200 mg/kg once per day or intraperitoneally dosed to mice at 10-100 mg/kg once per day.
Reference:
1.? Tojo M, et al. The ALK-5 inhibitor A-83-01 inhibits smad
signaling and epithelial-to-mesenchymal transition by transforming
growth factor-beta. (2005) Cancer Science 96 (11), 791-800.
2.? Li W, et al. Generation of rat and human induced pluripotent
stem cells by combining genetic reprogramming and chemical inhibitors.
(2009) Cell Stem Cell 4(1), 16-19.
3.? Yuan X, et al. Combined Chemical Treatment Enables Oct4-Induced
Reprogramming from Mouse Embryonic Fibroblasts. (2011) Stem Cells 29(3),
549–553.
4. ?Klincumhom N, et al. Selective TGF-β1/ALK inhibitor improves neuronal differentiation of mouse embryonic stem cells. (2014) Neurosci Lett. 578:1-6.?
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