Razuprotafib (Synonyms: AKB-9778) |
| カタログ番号GC62687 |
ラズプロタフィブ (AKB-9778) は、VE-PTP (血管内皮タンパク質チロシンホスファターゼ) の触媒活性の強力かつ選択的な阻害剤であり、IC50 は 17 pM です。
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Cas No.: 1008510-37-9
Sample solution is provided at 25 µL, 10mM.
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Razuprotafib (AKB-9778) is a potent and selective inhibitor of the catalytic activity of VE-PTP (vascular endothelial protein tyrosine phosphatase) with an IC50of 17 pM. Razuprotafib promotes TIE2 activation, enhances ANG1-induced TIE2 activation, and stimulates phosphorylation of signaling molecules in the TIE2 pathway, including AKT, eNOS, and ERK. Razuprotafib inhibits the structurally related phosphatase PTP1B with an IC50 of 780 nM. Razuprotafib shows excellent selectivity for VE-PTP versus a variety of phosphatases, with the exception of HPTPΗ (IC50=36 pM) and HPTPγ (100 pM)[1].
Razuprotafib (AKB-9778) promotes TIE2 phosphorylation and activation of downstream signaling in HUVECs and enhances angiopoietin-induced TIE2 phosphorylation[1].
Razuprotafib (20 mg/kg; s.c.) promotes phosphorylation of TIE2 in retinal endothelial cells in vivo[1].Razuprotafib (10-20 mg/kg; s.c.; twice daily for 7 days) suppresses subretinal neovascularization (NV)[1].
[1]. Shen J, et al. Targeting VE-PTP activates TIE2 and stabilizes the ocular vasculature. J Clin Invest. 2014;124(10):4564-4576.
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