Synthesis,antiproliferative activity and molecular docking of thiocolchicine urethanes |
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| Affiliation: | 1. Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznan, Poland;2. Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States;3. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53-114 Wrocław, Poland;4. Department of Oncology, University of Alberta, Edmonton, Alberta T6G 1Z2, Canada;5. Institut für Biologie, AG Biophysikalische Chemie, Humboldt Universität zu Berlin, Invalidenstr, 42, 10099 Berlin, Germany;1. Laboratoire de Chimie Organique et des Substances Naturelles, Université Ziane Achour, Djelfa, Algeria;2. Faculté de Chimie, USTHB, BP32, El-Alia, 16111 Bab Ezzouar, Algiers, Algeria;3. QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;4. CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;5. Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques, CRAPC, BP384, Bou-Ismail 42004, Tipaza, Algeria;1. Department of Chemistry, Faculty of Technology, Tomas Bata University in Zlín, CZ-762 72, Zlín, Czechia;2. Faculty of Science, University of Hradec Králové, CZ-500 03, Hradec Králové 3, Czechia;1. Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR 72205, United States;2. Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland;1. Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt;2. Medicinal Chemistry Department, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt;3. Pharmaceutical Chemistry Department, College of Pharmacy, Taif University, Saudi Arabia;4. Organometallic and Organometalloid Chemistry Department, National Research Centre, Cairo, Egypt;5. Zoology Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt;1. Department of Bioorganic Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61‒614, Poznań, Poland;2. Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA;3. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla 12, 53‒114, Wrocław, Poland;4. Centre for Analysis and Synthesis, Department of Chemistry, Lund University, Box 124, 221 00, Lund, Sweden;5. Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA |
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| Abstract: | A number of naturally occurring compounds such as paclitaxel, vinblastine, combretastatin, and colchicine exert their therapeutic effect by changing the dynamics of tubulin and its polymer form, microtubules. The identification of tubulin as a potential target for anticancer drugs has led to extensive research followed by clinical development of numerous compounds from several families. In this paper we report on the design, synthesis and in vitro evaluation of a group of thiocolchicine derivatives, modified at ring-B, labelled here compounds 4–14. These compounds have been obtained in a simple reaction of 7-deacetyl-10-thiocolchicine 3 with eleven different alcohols in the presence of triphosgene. These novel agents have been checked for anti-proliferative activity against four human cancer cell lines and their mode of action has been confirmed as colchicine binding site inhibition (CBSI) using molecular docking. Molecular simulations provided rational tubulin binding models for the tested compounds. On the basis of in vitro tests, derivatives 4–8 and 14 demonstrated the highest potency against MCF-7, LoVo and A549 tumor cell lines (IC50 values = 0.009–0.014 μM). They were more potent and characterized by a higher selectivity index than several standard chemotherapeutics including cisplatin and doxorubicin as well as unmodified colchicine. Further, studies revealed that colchicine and its several derivatives arrested MCF-7 cells in mitosis, while its selected derivatives caused microtubule depolymerization. |
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| Keywords: | Colchicine derivatives Mitotic inhibitor Anticancer agents Colchicine binding site inhibitors (CBSI) Tubulin |
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