Aminopeptidase N (APN/CD13) over expressed on tumor cells, plays a critical role in tumor invasion, metastasis, and tumor angiogenesis. Here we described the design, synthesis and preliminary activity studies of novel APN inhibitors with 3-phenylalanyl-N '-substituted-2,6-piperidinedione scaffold. The results showed that compound 7c had the most potent inhibitory activity against APN with the IC50 value to 5.00 +/- 3.17 mu M, which could be used as the lead compound in the future for anticancer agent research. (C) 2010 Elsevier Ltd. All rights reserved.
Novel cyclic-imide peptidomimetics as aminopeptidase N inhibitors. Structure-based design, chemistry and activity evaluation. II
作者:Qianbin Li、Hao Fang、Xuejian Wang、Wenfang Xu
DOI:10.1016/j.ejmech.2009.12.071
日期:2010.4
A novel class of potent aminopeptidase N inhibitors with 3-amino-cyclic-imide scaffold is described. The preliminary biological test revealed that all the compounds displayed high specific inhibitory activity against aminopeptidase N compared with previous work because of the existence of free amino group. Compounds containing hydroxamate group are more potent than carboxyl and ester derivatives. Compound