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Song J, Liu S, Ren Y, Zhang X, Zhao B, Wang X, Li Y. Organotin Benzohydroxamate Derivatives (OTBH) Target Colchicine-binding Site Exerting Potent Antitumor Activity both in Vitro and Vivo Revealed by Quantitative Proteomic Analysis. Eur J Pharm Sci 2023:106488. [PMID: 37302769 DOI: 10.1016/j.ejps.2023.106488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/01/2023] [Accepted: 06/04/2023] [Indexed: 06/13/2023]
Abstract
The activity of four typical organotin benzohydroxamate compounds (OTBH) with the different electronegativity of fluorine and chlorine atoms was assessed both in vitro and in vivo, revealing that they all exhibited notable antitumor effects. Furthermore, it was discovered that the biochemical capacity against cancer was influenced by their substituents' electronegativity and structural symmetry. For instance, benzohydroxamate derivatives with single chlorine at the fourth site on the benzene ring, two normal-butyl organic ligands, a symmetrical structure, and so on ([n-Bu2Sn[{4-ClC6H4C(O)NHO}2] (OTBH-1)) had stronger antitumor activity than others. Furthermore, the quantitative proteomic analysis discovered 203 proteins in HepG2 cells and 146 proteins in rat liver tissues that were differently identified before and after administration. Simultaneously, bioinformatics analysis of differentially expressed proteins demonstrated that the antiproliferative effects involved in the microtubule-based process, tight junction and its downstream apoptosis pathways. As predicted analytically, molecular docking indicated that ''-O-'' were the target docking atoms for the colchicine-binding site; meanwhile, this site was additionally verified by the EBI competition experiment and the microtubule assembly inhibition test. In conclusion, these derivatives promising for developing microtubule-targeting agents (MTAs) were shown to target the colchicine-binding site, impair cancer cell microtubule networks, and then halt mitosis and trigger apoptosis.
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Affiliation(s)
- Jiayu Song
- School of Public Health, Shaanxi University of Chinese Medicine, Xi'an, 712046, P.R.China
| | - Shuran Liu
- Department of Automation, Tsinghua University, Beijing, 100000, 030001, P.R.China
| | - Yuan Ren
- School of Public Health, Shaanxi University of Chinese Medicine, Xi'an, 712046, P.R.China
| | - Xiaohui Zhang
- School of Public Health, Shaanxi University of Chinese Medicine, Xi'an, 712046, P.R.China
| | - Baojin Zhao
- School of Public Health, Shaanxi University of Chinese Medicine, Xi'an, 712046, P.R.China
| | - Xinxu Wang
- School of Public Health, Shaanxi University of Chinese Medicine, Xi'an, 712046, P.R.China
| | - Yunlan Li
- School of Public Health, Shaanxi University of Chinese Medicine, Xi'an, 712046, P.R.China; School of Pharmaceutical Science, Shanxi Medical University, Taiyuan, 030001, P.R.China.
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Design, Synthesis, and Biological Evaluation of 5,6,7,8-Tetrahydrobenzo[4,5]thieno[2,3- d]pyrimidines as Microtubule Targeting Agents. Molecules 2022; 27:molecules27010321. [PMID: 35011550 PMCID: PMC8747035 DOI: 10.3390/molecules27010321] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 11/28/2022] Open
Abstract
A series of eleven 4-substituted 5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidines were designed and synthesized and their biological activities were evaluated. Synthesis involved the Gewald reaction to synthesize ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate ring, and SNAr reactions. Compound 4 was 1.6- and ~7-fold more potent than the lead compound 1 in cell proliferation and microtubule depolymerization assays, respectively. Compounds 4, 5 and 7 showed the most potent antiproliferative effects (IC50 values < 40 nM), while compounds 6, 8, 10, 12 and 13 had lower antiproliferative potencies (IC50 values of 53–125 nM). Additionally, compounds 4–8, 10 and 12–13 circumvented Pgp and βIII-tubulin mediated drug resistance, mechanisms that diminish the clinical efficacy of paclitaxel (PTX). In the NCI-60 cell line panel, compound 4 exhibited an average GI50 of ~10 nM in the 40 most sensitive cell lines. Compound 4 demonstrated statistically significant antitumor effects in a murine MDA-MB-435 xenograft model.
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El‐mahdy KM, Farouk O. Efficient access to some new pyrimidine derivatives and their antimicrobial evaluation. J Heterocycl Chem 2021. [DOI: 10.1002/jhet.4350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Kamelia M. El‐mahdy
- Department of Chemistry, Faculty of Education Ain Shams University Cairo Egypt
| | - Osama Farouk
- Department of Chemistry, Faculty of Education Ain Shams University Cairo Egypt
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Farouk O, Ibrahim MA, El-Gohary NM. Synthesis, chemical reactivity and biological evaluation of the novel 2-[(1-chloro-3-oxoprop-1-en-1-yl)amino]-4-(4-methoxyphenyl)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile. SYNTHETIC COMMUN 2021. [DOI: 10.1080/00397911.2021.1958231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Osama Farouk
- Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Egypt
| | - Magdy A. Ibrahim
- Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Egypt
| | - Nasser M. El-Gohary
- Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Egypt
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Islam F, Quadery TM, Bai R, Luckett-Chastain LR, Hamel E, Ihnat MA, Gangjee A. Novel pyrazolo[4,3-d]pyrimidine microtubule targeting agents (MTAs): Synthesis, structure-activity relationship, in vitro and in vivo evaluation as antitumor agents. Bioorg Med Chem Lett 2021; 41:127923. [PMID: 33705908 PMCID: PMC8113149 DOI: 10.1016/j.bmcl.2021.127923] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/25/2021] [Accepted: 02/25/2021] [Indexed: 11/21/2022]
Abstract
The design, synthesis, and biological evaluation of a series novel N1‑methyl pyrazolo[4,3-d]pyrimidines as inhibitors of tubulin polymerization and colchicine binding were described here. Synthesis of target compounds involved alkylation of the pyrazolo scaffold, which afforded two regioisomers. These were separated, characterized and identified with 1H NMR and NOESY spectroscopy. All compounds, except 10, inhibited [3H]colchicine binding to tubulin, and the potent inhibition was similar to that obtained with CA-4. Compounds 9 and 11-13 strongly inhibited the polymerization of tubulin, with IC50 values of 0.45, 0.42, 0.49 and 0.42 μM, respectively. Compounds 14-16 inhibited the polymerization of tubulin with IC50s near ∼1 μM. Compounds 9, 12, 13 and 16 inhibited MCF-7 breast cancer cell lines and circumvented βIII-tubulin mediated cancer cell resistance to taxanes and other MTAs, and compounds 9-17 circumvented Pgp-mediated drug resistance. In the standard NCI testing protocol, compound 9 exhibited excellent potency with low to sub nanomolar GI50 values (≤10 nM) against most tumor cell lines, including several multidrug resistant phenotypes. Compound 9 was significantly (P < 0.0001) better than paclitaxel at reducing MCF-7 TUBB3 (βIII-tubulin overexpressing) tumors in a mouse xenograft model. Collectively, these studies support the further preclinical development of the pyrazolo[4,3-d]pyrimidine scaffold as a new generation of tubulin inhibitors and 9 as an anticancer agent with advantages over paclitaxel.
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Affiliation(s)
- Farhana Islam
- Division of Medicinal Chemistry, Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, PA 15282, United States
| | - Tasdique M Quadery
- Division of Medicinal Chemistry, Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, PA 15282, United States
| | - Ruoli Bai
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, United States
| | - Lerin R Luckett-Chastain
- Department of Pharmaceutical Sciences, The University of Oklahoma College of Pharmacy, Oklahoma City, OK 73117, United States
| | - Ernest Hamel
- Molecular Pharmacology Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, Frederick National Laboratory for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD 21702, United States
| | - Michael A Ihnat
- Department of Pharmaceutical Sciences, The University of Oklahoma College of Pharmacy, Oklahoma City, OK 73117, United States
| | - Aleem Gangjee
- Division of Medicinal Chemistry, Graduate School of Pharmaceutical Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, PA 15282, United States.
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