Identification of new Cdc25 dual specificity phosphatase inhibitors in a targeted small molecule array
作者:Alexander P Ducruet、Robert L Rice、Kenji Tamura、Fumiaki Yokokawa、Shiho Yokokawa、Peter Wipf、John S Lazo
DOI:10.1016/s0968-0896(00)00069-9
日期:2000.6
phosphatase inhibitors (Rice, R. L.; Rusnak, J. M.; Yokokawa, F.; Yokokawa, S.; Messner, D. J.; Boynton, A. L.; Wipf, P.; Lazo, J. S. Biochemistry 1997, 36, 15965). Several analogues were identified as effective inhibitors of the protein tyrosine phosphatase (PTPase) PTP1B and the DSPases VHR and Cdc25B2. Two compounds, FY3-alphaalpha09 and FY21-alphaalpha09, were partial competitive inhibitors of Cdc25B2
双重特异性蛋白磷酸酶(DSPase)是信号转导,肿瘤发生和细胞周期的关键调节因子。然而,很少有有效的或特异性的DSPase抑制剂可用于这些药理靶标。我们已经使用了组合/平行合成的方法来硬化可变核心区域,并修改4-(苄基-(2- [2- [2,5-二苯基-恶唑-4-羰基)-氨基]-乙基)-氨基甲酰基的侧链)-2-癸酰氨基丁酸(或SC-alphaalphadelta9),它是先前描述的磷酸酶抑制剂文库(Rice,RL; Rusnak,JM; Yokokawa,F .; Yokokawa,S .; Messner,DJ)中最活跃的元素; Boynton,AL; Wipf,P。; Lazo,JS Biochemistry 1997,36,15965)。几种类似物被鉴定为蛋白酪氨酸磷酸酶(PTPase)PTP1B和DSPases VHR和Cdc25B2的有效抑制剂。FY3-alphaalpha09和