Abstract
A series of camptothecin-bile acids derivatives of were prepared. Some of these derivatives showed cytotoxic activity comparable to that of camptothecin in human liver and colon cancer cells. The cytotoxic activities of these derivatives against bile acid-negative Hela cells were much lower than that against the bile acid- positive liver and colon cancer cells. The lactone stability of these tested derivatives in rat blood serum was generally improved. Competition assays indicated that bile acids played an important role to carry the derivatives into the bile acid-positive cancer cells. The results suggest that the introduction of bile acids in the 20th position of camptothecin promote the anti-tumour targeting activity of these derivatives to liver cancer cells.
Keywords: Anti-tumour, Bile acids, Camptothecin, Liver cancer, Synthesis, Target, Camptotheca acuminata, Lactone stability, 4-dimethylaminopyridine (DMAP), antibiotic agent, MTT test, HCT 116 cell line, Cytotoxicity, SMMC 7721, Topoisomerase I inhibition
Letters in Drug Design & Discovery
Title: Synthesis and Anti – Tumour Activity of Novel Camptothecin – Bile Acid Analogues
Volume: 8 Issue: 8
Author(s): Q.-Y. Li, Y. Gao, W. Qiu, Y.-G. Zu, L. Su, W.-N. He and X.-Q. Deng
Affiliation:
Keywords: Anti-tumour, Bile acids, Camptothecin, Liver cancer, Synthesis, Target, Camptotheca acuminata, Lactone stability, 4-dimethylaminopyridine (DMAP), antibiotic agent, MTT test, HCT 116 cell line, Cytotoxicity, SMMC 7721, Topoisomerase I inhibition
Abstract: A series of camptothecin-bile acids derivatives of were prepared. Some of these derivatives showed cytotoxic activity comparable to that of camptothecin in human liver and colon cancer cells. The cytotoxic activities of these derivatives against bile acid-negative Hela cells were much lower than that against the bile acid- positive liver and colon cancer cells. The lactone stability of these tested derivatives in rat blood serum was generally improved. Competition assays indicated that bile acids played an important role to carry the derivatives into the bile acid-positive cancer cells. The results suggest that the introduction of bile acids in the 20th position of camptothecin promote the anti-tumour targeting activity of these derivatives to liver cancer cells.
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Cite this article as:
Li Q.-Y., Gao Y., Qiu W., Zu Y.-G., Su L., He W.-N. and Deng X.-Q., Synthesis and Anti – Tumour Activity of Novel Camptothecin – Bile Acid Analogues, Letters in Drug Design & Discovery 2011; 8 (8) . https://dx.doi.org/10.2174/157018011796576006
DOI https://dx.doi.org/10.2174/157018011796576006 |
Print ISSN 1570-1808 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-628X |
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