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Moligand™ 级 ,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
JAK3-IN-1 is a potent, selective and orally active JAK3 inhibitor with an IC 50 of 4.8 nM. JAK3-IN-1 shows over 180-fold more selective for JAK3 than JAK1 (IC 50 of 896 nM) and JAK2 (IC 50 of 1050 nM)
In Vitro
JAK3-IN-1(Compound 9; 0-5 µM; 3 hours; BMDMs cells) treatment completely inhibits IL-4 induced p-STAT6 at a concentration of 500 nM and only partially inhibits IFNβ-induced p-STAT1 at a concentration of 5.0 μM. .\nJAK3-IN-1(Compound 9) most potently inhibits JAK3 and identified fms-related tyrosine kinase 3 (FLT3) and several tyrosine protein kinase (TEC)-family kinases as being potential off-targets. Enzymatic assays using the Z’-lyte or LanthaScreen formats confirmed enzymatic inhibition of FLT3 (IC 50 = 13 nM), TTK protein kinase (TTK, IC 50 = 49 nM), BLK proto-oncogene (BLK, IC 50 = 157 nM) and tyrosine protein kinase TXK (TXK, IC 50 = 36 nM). JAK3-IN-1 shows very low inhibition scores for other JAKs and wild-type (WT) EGFR, which is consistent with the over 180-fold higher IC 50 s against EGFRWT and TYK2 (IC 50 s =409 nM, > 10000 respectively). JAK3-IN-1 possesses over 165-fold higher IC 50 s for BTK or ITK (IC 50 s = 794 and 1070 nM respectively). JAK3-IN-1(Compound 9) selectively inhibits the proliferation of JAK3-dependent Ba/F3 cells (IC 50 = 69 nM) relative to other JAK-dependent Ba/F3 cells, for which there was no antiproliferative effect at concentrations below 3.0 μM. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Western Blot AnalysisCell Line: BMDMs cells Concentration: 0 µM, 0.1 µM, 0.5 µM, 1 µM, 5 µM Incubation Time: 3 hours Result: Completely inhibited IL-4 induced p-STAT6 at a concentration of 500 nM and only partially inhibited IFNβ-induced p-STAT1 at a concentration of 5.0 μM.
In Vivo
JAK3-IN-1(Compound 9) shows reasonable pharmacokinetic properties, with moderate T 1/2 of 1.4 h, area under the curve (AUC) value of 795 ng*hr/mL following a 10 mg/Kg oral dose and good oral bioavailability of 66%.\nAfter oral administration with JAK3-IN-1(Compound 9) (75 mpk, QD) for 8 days, the numbers of B or T lymphocytes in the tumor-bearing lungs and spleens of treated mice is not affected, however, the number of NK cells is reduced . MCE has not independently confirmed the accuracy of these methods. They are for reference only.
IC50& Target:JAK3 4.8 nM (IC 50 ) JAK1 896 nM (IC 50 ) JAK2 1050 nM (IC 50 ) TTK 49 nM (IC 50 ) BTK 794 nM (IC 50 ) ITK 1070 nM (IC 50 )