期刊
BIOORGANIC & MEDICINAL CHEMISTRY
卷 17, 期 15, 页码 5614-5626出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2009.06.018
关键词
Cyclopenta[a]indene; Structure-activity relationships; Interstrand cross-linking; Cell cycle; Antitumor agents
资金
- Academia Sinica [AS-96-TP-B06]
- Sloan-Kettering Institute General Fund
- National Research Program for Genomic Medicine (Taiwan)
A series of bifunctional DNA interstrand cross-linking agents, bis(hydroxymethyl)- and bis(carbamates)-8H-3a-azacyclopenta[a]indene-1-yl derivatives were synthesized for antitumor evaluation. The preliminary antitumor studies revealed that these agents exhibited potent cytotoxicity in vitro and antitumor therapeutic efficacy against human tumor xenografts in vivo. Furthermore, these derivatives have little or no cross-resistance to either Taxol or Vinblastine. Remarkably, complete tumor remission in nude mice bearing human breast carcinoma MX-1 xenograft by 13a,b and 14g,h and significant suppression against prostate adenocarcinoma PC3 xenograft by 13b were achieved at the maximum tolerable dose with relatively low toxicity. In addition, these agents induce DNA interstrand cross-linking and substantial G2/M phase arrest in human non-small lung carcinoma H1299 cells. The current studies suggested that these agents are promising candidates for preclinical studies. (C) 2009 Elsevier Ltd. All rights reserved.
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