Casein Kinase inhibitor A51

Casein Kinase inhibitor A51 是一种有效且具有口服活性的酪蛋白激酶 1α (CK1α) 抑制剂。Casein Kinase inhibitor A51 可诱导白血病细胞凋亡 (apoptosis)，并具有有效的抗白血病活性。

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库存: 现货

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5mg

￥4312.00

3450.00

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10mg

￥7337.00

5870.00

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25mg

￥14425.00

11540.00

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Background

Casein Kinase inhibitor A51 is a potent and orally active casein kinase 1α (CK1α) inhibitor. Casein Kinase inhibitor A51 induces leukemia cell apoptosis, and has potent anti-leukemic activities[1].

Similar to CKIα depletion, Casein Kinase inhibitor A51 (0.05-3.2 μM; 18 hours) treatment of RKO cells abolished most of the Ser45 phosphorylation signal and the consecutive GSK3 phosphorylation cascade resulting in stabilization of β-catenin[1]. Casein Kinase inhibitor A51 is highly effective in inducing leukemia cell apoptosis at 160 nM or lower, mostly in correlation to their capacity to stabilize p53[1].Casein Kinase inhibitor A51 (0.08-2 μM; 6.5 hours) abolishes the expression of MYC, MDM2, and the anti-apoptotic oncogene MCL1. Casein Kinase inhibitor A51 induces a marked reduction in mRNA expression of MYC and MDM2, yet upregulates the expression of the Wnt targets AXIN2 and CCND1 (Cyclin D1)[1].

Oral treatment is initiated at 8 days (Casein Kinase inhibitor A51; 5 mg/kg/day) after leukemia cell inoculation, at which the percentage of leukemia cells in the BM is more than 1.5% of all cells. all A51-treated mice have normal organ morphology and histology and normal blood counts[1].Pharmacokinetic studies of the inhibitor Casein Kinase inhibitor A51 at 20 mg/kg reveal rapid oral absorption with a Tmax of 0.5-2 hr, Cmax of 1060 ng/mL, T1/2 of 2.5 hr, and area under the curve (AUC) values of 3680 (ng*hr/mL)[1].

[1]. Waleed Minzel, et al. Small Molecules Co-targeting CKIα and the Transcriptional Kinases CDK7/9 Control AML in Preclinical Models. Cell. 2018 Sep 20;175(1):171-185.e25.