1
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Musa M, Abid M, Bradshaw TD, Boocock DJ, Coveney C, Argent SP, Woodward S. Probing the Mechanism of Action of Bis(phenolato) Amine (ONO Donor Set) Titanium(IV) Anticancer Agents. J Med Chem 2024; 67:2732-2744. [PMID: 38331433 PMCID: PMC10895680 DOI: 10.1021/acs.jmedchem.3c01874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 01/15/2024] [Accepted: 01/18/2024] [Indexed: 02/10/2024]
Abstract
The need for anticancer therapies that overcome metallodrug resistance while minimizing adverse toxicities is targeted, herein, using titanium coordination complexes. Octahedral titanium(IV) trans,mer-[Ti{R1N(CH2-2-MeO-4-R1-C6H2)2}2] [R1 = Et, allyl, n-Pr, CHO, F, CH2(morpholino), the latter from the formyl derivative; R2 = Me, Et; not all combinations] are attained from Mannich reactions of commercial 2-methoxyphenols (27-74% overall yield, 2 steps). These crystalline (four X-ray structures) Ti(IV)-complexes are active against MCF-7, HCT-116, HT-29, PANC-1, and MDA-MB-468 cancer cell lines (GI50 = 0.5-38 μM). Their activity and cancer selectivity (vs nontumor MRC-5 cells) typically exceeds that of cisplatin (up to 16-fold). Proteomic analysis (in MCF-7) supported by other studies (G2/M cell cycle arrest, ROS generation, γH2AX production, caspase activation, annexin positivity, western blot, and kinase screens in MCF-7 and HCT-116) suggest apoptosis elicited by more than one mechanism of action. Comparison of these data to the modes of action proposed for salan Ti(IV) complexes is made.
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Affiliation(s)
- Mustapha Musa
- GSK
Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Triumph Road, Nottingham NG7 2TU, U.K.
| | - Mohammed Abid
- Department
of Chemistry, College of Science, University
of Anbar, Anbarshire 31001, Iraq
| | - Tracey D. Bradshaw
- BDI,
School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - David J. Boocock
- School
of Science and Technology, Nottingham Trent
University, Clifton, Nottingham NG11 8NS, U.K.
| | - Clare Coveney
- School
of Science and Technology, Nottingham Trent
University, Clifton, Nottingham NG11 8NS, U.K.
| | - Stephen P. Argent
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - Simon Woodward
- GSK
Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Triumph Road, Nottingham NG7 2TU, U.K.
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2
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Mehmood H, Musa M, Woodward S, Hossan MS, Bradshaw TD, Haroon M, Nortcliffe A, Akhtar T. Design, and synthesis of selectively anticancer 4-cyanophenyl substituted thiazol-2-ylhydrazones. RSC Adv 2022; 12:34126-34141. [PMID: 36540407 PMCID: PMC9704493 DOI: 10.1039/d2ra03226k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 11/18/2022] [Indexed: 04/24/2024] Open
Abstract
Cyclization of substituted thiosemicarbazones with α-bromo-4-cyanoacetophenone allows rapid single-step sustainable syntheses of 4-cyanophenyl-2-hydrazinylthiazoles libraries (30 examples, 66-79%). All show anticancer efficacy against HCT-116 and MCF-7 carcinoma cell lines with the majority being more active than cisplatin positive controls. The compounds 2-(2-(2-hydroxy-3-methylbenzylidene)hydrazinyl)-4-(4-cyanophenyl)thiazole (3f) and 2-(2-((pentafluorophenyl)methylene)-hydrazinyl)-4-(4-cyanophenyl)thiazole (3a') show optimal GI50 values (1.0 ± 0.1 μM and 1.7 ± 0.3 μM) against MCF-7 breast cancer cells. Against colorectal carcinoma HCT-116 cells, (2-(2-(3-bromothiophen-2-yl)methylene)hydrazinyl)-4-(4-cyanophenyl)thiazole (3b'), 2-(2-(2-hydroxy-3-methylbenzylidene)hydrazinyl)-4-(4-cyanophenyl)thiazole (3f), 2-(2-(2,6-dichlorobenzylidene)hydrazinyl)-4-(4-cyanophenyl)thiazole (3n) and 2-(2-(1-(4-fluorophenyl)ethylidene)hydrazinyl)-4-(4-cyanophenyl)thiazole (3w) are the most active (GI50 values: 1.6 ± 0.2, 1.6 ± 0.1, 1.1 ± 0.5 and 1.5 ± 0.8 μM respectively). Control studies with MRC-5 cells indicate appreciable selectivity towards the cancer cells targeted. Significant (p < 0.005) growth inhibition and cytotoxicity effects for the thiazoles 3 were corroborated by cell count and clonogenic assays using the same cancer cell lines at 5 and 10 μM agent concentrations. Cell cycle, caspase activation and Western blot assays demonstrated that compounds 3b' and 3f induce cancer cell death via caspase-dependent apoptosis. The combination of straight forward synthesis and high activity makes the thiazoles 3 an interesting lead for further development.
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Affiliation(s)
- Hasnain Mehmood
- Department of Chemistry, Mirpur University of Science and Technology (MUST) 10250-Mirpur (AJK) Pakistan
| | - Mustapha Musa
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham Triumph Road Nottingham NG7 2TU UK
| | - Simon Woodward
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham Triumph Road Nottingham NG7 2TU UK
| | - Md Shahadat Hossan
- School of Pharmacy, University of Nottingham University Park Nottingham NG7 2RD UK
| | - Tracey D Bradshaw
- School of Pharmacy, University of Nottingham University Park Nottingham NG7 2RD UK
| | - Muhammad Haroon
- Department of Chemistry, Mirpur University of Science and Technology (MUST) 10250-Mirpur (AJK) Pakistan
| | - Andrew Nortcliffe
- School of Chemistry, University of Nottingham University Park Nottingham NG7 2RD UK
| | - Tashfeen Akhtar
- Department of Chemistry, Mirpur University of Science and Technology (MUST) 10250-Mirpur (AJK) Pakistan
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3
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Kargar H, Fallah-Mehrjardi M, Behjatmanesh-Ardakani R, Tahir MN, Ashfaq M, Munawar KS. Synthesis, crystal structure determination, Hirshfeld surface analysis, spectral characterization, theoretical and computational studies of titanium(IV) Schiff base complex. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.1972984] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Hadi Kargar
- Department of Chemical Engineering, Faculty of Engineering, Ardakan University, Ardakan, Iran
| | | | | | | | - Muhammad Ashfaq
- Department of Physics, University of Sargodha, Punjab, Pakistan
| | - Khurram Shahzad Munawar
- Department of Chemistry, University of Sargodha, Punjab, Pakistan
- Department of Chemistry, University of Mianwali, Mianwali, Pakistan
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4
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Serrano R, Martinez-Argudo I, Fernandez-Sanchez M, Pacheco-Liñan PJ, Bravo I, Cohen B, Calero R, Ruiz MJ. New titanocene derivative with improved stability and binding ability to albumin exhibits high anticancer activity. J Inorg Biochem 2021; 223:111562. [PMID: 34364140 DOI: 10.1016/j.jinorgbio.2021.111562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 07/23/2021] [Accepted: 07/30/2021] [Indexed: 11/15/2022]
Abstract
Titanium-based therapies have emerged as a promising alternative for the treatment of cancer patients, particularly those with cisplatin resistant tumors. Unfortunately, some titanium compounds show stability and solubility problems that have hindered their use in clinical practice. Here, we designed and synthesized a new titanium complex containing a titanocene fragment, a tridentate ligand to improve its stability in water, and a long aliphatic chain, designed to facilitate a non-covalent interaction with albumin, the most abundant protein in human serum. The stability and human serum albumin affinity of the resulting titanium complex was investigated by UV-Vis absorption and fluorescence spectroscopy techniques. Complex [TiCp2{(OOC)2py-O-myr}] (3) (myr = C14H29, py = pyridine) and its analogous [TiCp2{(OOC)2py-OH}] (4), lacking the aliphatic chain, showed improved stability in phosphate saline buffer compared with [TiCp2Cl2] (1). 3 showed a strong interaction with human serum albumin in a 1:1 stoichiometry. The cytotoxic effect of 3 was higher compared to [TiCp2Cl2] in tumor cell lines and showed potential tumor selectivity when assayed in non-tumor human epithelial cells. Finally, 3 showed an antiproliferative effect on cancer cells, decreasing the population in the S phase, and increasing apoptotic cells in a significant manner. All this makes the novel Ti(IV) compound 3 a firm candidate to continue further studies of its therapeutic potential in vitro and in vivo.
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Affiliation(s)
- Rosario Serrano
- Universidad de Castilla-La Mancha, Facultad de Ciencias Ambientales y Bioquímica, 45071 Toledo, Spain; Universidad de Castilla-La Mancha, Departamento de Química Orgánica, Inorgánica y Bioquímica, Spain
| | - Isabel Martinez-Argudo
- Universidad de Castilla-La Mancha, Facultad de Ciencias Ambientales y Bioquímica, 45071 Toledo, Spain; Universidad de Castilla-La Mancha, Departamento de Ciencia y Tecnología Agroforestal y Genética, Spain
| | - Miguel Fernandez-Sanchez
- Universidad de Castilla-La Mancha, Facultad de Ciencias Ambientales y Bioquímica, 45071 Toledo, Spain
| | - Pedro J Pacheco-Liñan
- Universidad de Castilla-La Mancha, Facultad de Farmacia, 02071 Albacete, Spain; Universidad de Castilla-La Mancha, Departamento de Química Física, Spain
| | - Ivan Bravo
- Universidad de Castilla-La Mancha, Facultad de Farmacia, 02071 Albacete, Spain; Universidad de Castilla-La Mancha, Departamento de Química Física, Spain
| | - Boiko Cohen
- Universidad de Castilla-La Mancha, Facultad de Ciencias Ambientales y Bioquímica, 45071 Toledo, Spain; Universidad de Castilla-La Mancha, Departamento de Química Física, Spain; Universidad de Castilla-La Mancha, INAMOL, 45071 Toledo, Spain
| | - Raul Calero
- Universidad de Castilla-La Mancha, Facultad de Ciencias Ambientales y Bioquímica, 45071 Toledo, Spain; Universidad de Castilla-La Mancha, Departamento de Química Orgánica, Inorgánica y Bioquímica, Spain.
| | - Maria Jose Ruiz
- Universidad de Castilla-La Mancha, Facultad de Ciencias Ambientales y Bioquímica, 45071 Toledo, Spain; Universidad de Castilla-La Mancha, Departamento de Química Orgánica, Inorgánica y Bioquímica, Spain
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5
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Chen I, Ganta PK, Chung S, Chang Y, Chang H, Ding S, Chen H, Chiu C, Wu K. Titanium complexes bearing 2,
6‐bis
(
o
‐hydroxyalkyl)pyridine ligands in vitro cytotoxicity against
triple‐negative breast‐cancer
cells. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202000393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- I‐Ni Chen
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
| | - Prasanna Kumar Ganta
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
| | - Shou‐Jie Chung
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
| | - Yu‐Lun Chang
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
| | - Heng‐Yi Chang
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
| | - Shangwu Ding
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
- Department of Chemistry National Sun Yat‐Sen University Kaohsiung Taiwan
| | - Hsuan‐Ying Chen
- Department of Medicinal and Applied Chemistry Drug Development and Value Creation Research Center, Kaohsiung Medical University Kaohsiung Taiwan
- Department of Chemistry National Sun Yat‐Sen University Kaohsiung Taiwan
- Department of Medical Research Kaohsiung Medical University Hospital Kaohsiung Taiwan
| | - Chien‐Chih Chiu
- Department of Biotechnology Kaohsiung Medical University Kaohsiung Taiwan
| | - Kuo‐Hui Wu
- Department of Chemistry, Graduate School of Science The University of Tokyo Tokyo Japan
- Department of Chemistry Tamkang University New Taipei City Taiwan
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6
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Shpilt Z, Manne R, Rohman MA, Mitra S, Tiekink ER, Basu Baul TS, Tshuva EY. Homoleptic Ti[ONO] 2type complexes of amino‐acid‐tethered phenolato Schiff‐base ligands: Synthesis, characterization, time‐resolved fluorescence spectroscopy, and cytotoxicity against ovarian and colon cancer cells. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Zohar Shpilt
- Institute of ChemistryThe Hebrew University of Jerusalem Jerusalem 9190401 Israel
| | - Rajesh Manne
- Centre of Advanced Studies in Chemistry, North‐Eastern Hill University, NEHU Permanent Campus Umshing Shillong 793 022 India
| | - Mostofa Ataur Rohman
- Centre of Advanced Studies in Chemistry, North‐Eastern Hill University, NEHU Permanent Campus Umshing Shillong 793 022 India
| | - Sivaprasad Mitra
- Centre of Advanced Studies in Chemistry, North‐Eastern Hill University, NEHU Permanent Campus Umshing Shillong 793 022 India
| | - Edward R.T. Tiekink
- Research Centre for Crystalline MaterialsSchool of Science and Technology, Sunway University 47500 Bandar Sunway Selangor Darul Ehsan Malaysia
| | - Tushar S. Basu Baul
- Centre of Advanced Studies in Chemistry, North‐Eastern Hill University, NEHU Permanent Campus Umshing Shillong 793 022 India
| | - Edit Y. Tshuva
- Institute of ChemistryThe Hebrew University of Jerusalem Jerusalem 9190401 Israel
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