Amide derivatives of ethacrynic acid: Synthesis and evaluation as antagonists of Wnt/β-catenin signaling and CLL cell survival
作者:Guangyi Jin、Desheng Lu、Shiyin Yao、Christina C.N. Wu、Jerry X. Liu、Dennis A. Carson、Howard B. Cottam
DOI:10.1016/j.bmcl.2008.12.067
日期:2009.2
A series of amides of ethacrynic acid was prepared and evaluated for their ability to inhibit Wnt signaling and decrease the survival of CLL cells. Several of the most potent derivatives were active in the low micromolar range. Reduction of the alpha,beta-unsaturated carbon-carbon double bond of EA abrogated both the inhibition of Wnt signaling as well as the decrease in CLL survival. Preliminary mechanism of action studies suggest that these derivatives covalently modify sulfhydryl groups present on transcription factors important for Wnt/beta-catenin signaling. (c) 2008 Elsevier Ltd. All rights reserved.