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Toward highly potent cancer agents by modulating the c-2 group of the arylthioindole class of tubulin polymerization inhibitors

La Regina, Giuseppe, Bai, Ruoli, Rensen, Whilelmina Maria, Di Cesare, Erica, Coluccia, Antonio, Piscitelli, Francesco, Famiglini, Valeria, Reggio, Alessia, Nalli, Marianna, Pelliccia, Sveva, Da Pozzo, Eleonora, Costa, Barbara, Granata, Ilaria, Porta, Amalia, Maresca, Bruno, Soriani, Alessandra, Iannitto, Maria Luisa, Santoni, Angela, Li, Junjie, Miranda Cona, Marlein, Chen, Feng, Ni, Yicheng, Brancale, Andrea, Dondio, Giulio, Vultaggio, Stefania, Varasi, Mario, Mercurio, Ciro, Martini, Claudia, Hamel, Ernest, Lavia, Patrizia, Novellino, Ettore and Silvestri, Romano 2013. Toward highly potent cancer agents by modulating the c-2 group of the arylthioindole class of tubulin polymerization inhibitors. Journal of Medicinal Chemistry 56 (1) , pp. 123-149. 10.1021/jm3013097

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Abstract

New arylthioindole derivatives having different cyclic substituents at position 2 of the indole were synthesized as anticancer agents. Several compounds inhibited tubulin polymerization at submicromolar concentration and inhibited cell growth at low nanomolar concentrations. Compounds 18 and 57 were superior to the previously synthesized 5. Compound 18 was exceptionally potent as an inhibitor of cell growth: it showed IC50 = 1.0 nM in MCF-7 cells, and it was uniformly active in the whole panel of cancer cells and superior to colchicine and combretastatin A-4. Compounds 18, 20, 55, and 57 were notably more potent than vinorelbine, vinblastine, and paclitaxel in the NCI/ADR-RES and Messa/Dx5 cell lines, which overexpress P-glycoprotein. Compounds 18 and 57 showed initial vascular disrupting effects in a tumor model of liver rhabdomyosarcomas at 15 mg/kg intravenous dosage. Derivative 18 showed water solubility and higher metabolic stability than 5 in human liver microsomes.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Pharmacy
Subjects: R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer)
R Medicine > RS Pharmacy and materia medica
Publisher: American Chemical Society
ISSN: 0022-2623
Date of First Compliant Deposit: 30 March 2016
Last Modified: 06 Jun 2017 00:25
URI: http://orca-mwe.cf.ac.uk/id/eprint/45943

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