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CAS No. : 383907-43-5
MCE 国际站:NSC 663284
产品活性:NSC 663284 (DA-3003-1) 是一种有效的,细胞可渗透的且不可逆的 Cdc25 dual specificity phosphatase 抑制剂,Cdc25B2 的 IC50 为 0.21 μM。NSC 663284 表现出与 Cdc25A,Cdc25B2 和 Cdc25C 的混合竞争动力学,Ki 值分别为 29、95 和 89 nM。NSC 663284 通过与 SET 结构域 (Kd of 370 nM) 的相互作用来抑制 NSD2 (IC50 of 170 nM) 酶的活性。
研究领域:Metabolic Enzyme/Protease | Epigenetics
作用靶点:Phosphatase | Histone Methyltransferase
In Vitro: NSC 663284 (3-100μM; 48 hours) has a mean IC50 value in the NCI 60 Cell human tumor panel of 1.5 ± 0.6 μM, has IC50 values of 0.2 μM in human breast cancer MDA-MB-435 and MDA-N cells, has an IC50 value of 1.7 μM in human breast MCF-7 cells in culture.NSC 663284 has relative IC50 values for Cdc25B2 (IC50=0.21 μM) are 20- and 450-fold lower than for VHR (IC50=4.0 μM) or PTP1B (IC50>4.0 μM), respectively.
In Vivo: NSC 663284 (intravenous injection; 2, 3, and 5mg/kg) inhibits the growth of subcutaneous human colon HT29 xenografts in SCID mice. After a single dose of 5 mg/kg, NSC 663284 is not detectable in plasma or tissues beyond 5 min. Following NSC 663284 treatment of tumor-bearing SCID mice, reduces glutathione concentrations in HT29 tumor are decreased to a greater extent and remained decreased for longer than the reduced glutathione concentrations in liver and kidneys.
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