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Molinaro C, Martoriati A, Pelinski L, Cailliau K. Copper Complexes as Anticancer Agents Targeting Topoisomerases I and II. Cancers (Basel) 2020; 12:E2863. [PMID: 33027952 PMCID: PMC7601307 DOI: 10.3390/cancers12102863] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/24/2020] [Accepted: 09/29/2020] [Indexed: 12/12/2022] Open
Abstract
Organometallics, such as copper compounds, are cancer chemotherapeutics used alone or in combination with other drugs. One small group of copper complexes exerts an effective inhibitory action on topoisomerases, which participate in the regulation of DNA topology. Copper complexes inhibitors of topoisomerases 1 and 2 work by different molecular mechanisms, analyzed herein. They allow genesis of DNA breaks after the formation of a ternary complex, or act in a catalytic mode, often display DNA intercalative properties and ROS production, and sometimes display dual effects. These amplified actions have repercussions on the cell cycle checkpoints and death effectors. Copper complexes of topoisomerase inhibitors are analyzed in a broader synthetic view and in the context of cancer cell mutations. Finally, new emerging treatment aspects are depicted to encourage the expansion of this family of highly active anticancer drugs and to expend their use in clinical trials and future cancer therapy.
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Affiliation(s)
- Caroline Molinaro
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France; (C.M.); (A.M.)
| | - Alain Martoriati
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France; (C.M.); (A.M.)
| | - Lydie Pelinski
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181-UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France;
| | - Katia Cailliau
- Univ. Lille, CNRS, UMR 8576-UGSF-Unité de Glycobiologie Structurale et Fonctionnelle, F-59000 Lille, France; (C.M.); (A.M.)
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Singh NK, Kumbhar AA, Pokharel YR, Yadav PN. Anticancer potency of copper(II) complexes of thiosemicarbazones. J Inorg Biochem 2020; 210:111134. [DOI: 10.1016/j.jinorgbio.2020.111134] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 05/31/2020] [Accepted: 06/06/2020] [Indexed: 12/20/2022]
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3
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Wang J, Gou Y, Zhang Z, Yu P, Qi J, Qin Q, Sun H, Wu X, Liang H, Yang F. Developing an Anticancer Copper(II) Multitarget Pro-Drug Based on the His146 Residue in the IB Subdomain of Modified Human Serum Albumin. Mol Pharm 2018; 15:2180-2193. [PMID: 29722993 DOI: 10.1021/acs.molpharmaceut.8b00045] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Designing a multitarget anticancer drug with improved delivery and therapeutic efficiency in vivo presents a great challenge. Thus, we proposed to design an anticancer multitarget metal pro-drug derived from thiosemicarbazone based on the His146 residue in the IB subdomain of palmitic acid (PA)-modified human serum albumin (HSA-PA). The structure-activity relationship of six Cu(II) compounds with 6-methyl-2-formylpyridine-4N-substituted thiosemicarbazones were investigated, and then the multitarget capability of 4b was confirmed in cancer cell DNA and proteins. The structure of the HSA-PA-4b complex (HSA-PA-4b) revealed that 4b is bound to the IB subdomain of modified HSA, and that His146 replaces the nitrate ligand in 4b, coordinating with Cu2+, whereas PA is complexed with the IIA subdomain by its carboxyl forming hydrogen bonds with Lys199 and His242. In vivo data showed that 4b and the HSA-PA-4b complex inhibit lung tumor growth, and the targeting ability and therapeutic efficacy of the PA-modified HSA complex was stronger than 4b alone.
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Affiliation(s)
- Jun Wang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Yi Gou
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China.,School of Pharmacy , Nantong University , Nantong , Jiangsu 226000 , China
| | - Zhenlei Zhang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Ping Yu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Jinxu Qi
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Qipin Qin
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Hongbin Sun
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Xiaoyang Wu
- Ben May Department for Cancer Research , University of Chicago , Chicago , Illinois 60637 , United States
| | - Hong Liang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
| | - Feng Yang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources , Guangxi Normal University , Guilin , Guangxi 541003 , China
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Nair RS, Potti ME, Thankappan R, Chandrika SK, Kurup MRP, Srinivas P. Molecular trail for the anticancer behavior of a novel copper carbohydrazone complex in BRCA1 mutated breast cancer. Mol Carcinog 2017; 56:1501-1514. [PMID: 28052399 DOI: 10.1002/mc.22610] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/28/2016] [Accepted: 12/31/2016] [Indexed: 01/25/2023]
Abstract
Novel chelated metal complexes were synthesized from carbohydrazones to thiocarbohydrazones using metal-based drug designing platforms and their combination effect with Pb, a naphthaquinone were analyzed for anticancer activity in breast cancer cell lines. A panel of BRCA1 wild-type and mutated breast cancer cells: MCF-7 (BRCA1+ /ER+ ), MDA-MB-231 (BRCA1+ /ERα- ), HCC-1937 (BRCA1- /ERα- ), HCC1937/wt BRCA1, MX1 (BRCA1- /ERα- ), and MDA-MB-436 (BRCA1- /ERα- ) were screened for anti-cancer activity. Cu2 (HL)(HSO4 ) · H2 O]SO4 · 6 H2 O (CS2) is the most potent anticancer agent among the copper carbohydrazone and thiocarbohydrazone complexes analyzed in this study. It can be suggested that the presence of sulphate, as pharmacologically active centre, can induce cytotoxicity more effectively when compared to chlorine, bromine, perchlorate, and methanol. This is the first report demonstrating that CS2 can bind to DNA by hindering BamH1 activity and could induce DNA double strand breaks as evidenced by γ-H2AX expression. In addition to this, CS2 could also act as a Topo II inhibitor at a much lower concentration than etoposide and induce apoptosis, making it a potent anticancer agent. In combination with Pb, a potent ROS inducer, CS2 could induce synergistic anti-cancer activity in HR/ BRCA1 defective breast cancer cells. This is the first study reporting the mechanism involved in the induction of apoptosis for a metal chelated copper carbohydrazone complex and its combination effects with Pb in HR defective, BRCA1 mutated breast cancer cells.
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Affiliation(s)
- Rakesh Sathish Nair
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology, Thycaud, Thiruvananthapuram, Kerala, India
| | - Manoj Easwaran Potti
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochin, Kerala, India
| | - Ratheeshkumar Thankappan
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology, Thycaud, Thiruvananthapuram, Kerala, India
| | | | | | - Priya Srinivas
- Cancer Research Program, Rajiv Gandhi Centre for Biotechnology, Thycaud, Thiruvananthapuram, Kerala, India
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5
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Medici S, Peana M, Nurchi VM, Lachowicz JI, Crisponi G, Zoroddu MA. Noble metals in medicine: Latest advances. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.08.002] [Citation(s) in RCA: 373] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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6
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Prabhakaran R, Kalaivani P, Poornima P, Dallemer F, Huang R, Vijaya Padma V, Natarajan K. Synthesis, DNA/protein binding and in vitro cytotoxic studies of new palladium metallothiosemicarbazones. Bioorg Med Chem 2013; 21:6742-52. [DOI: 10.1016/j.bmc.2013.08.005] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2013] [Revised: 08/01/2013] [Accepted: 08/02/2013] [Indexed: 10/26/2022]
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7
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Santini C, Pellei M, Gandin V, Porchia M, Tisato F, Marzano C. Advances in Copper Complexes as Anticancer Agents. Chem Rev 2013; 114:815-62. [DOI: 10.1021/cr400135x] [Citation(s) in RCA: 1128] [Impact Index Per Article: 102.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Carlo Santini
- Scuola
di Scienze e Tecnologie−Sez. Chimica, Università di Camerino, via S. Agostino 1, 62032 Camerino, Macerata, Italy
| | - Maura Pellei
- Scuola
di Scienze e Tecnologie−Sez. Chimica, Università di Camerino, via S. Agostino 1, 62032 Camerino, Macerata, Italy
| | - Valentina Gandin
- Dipartimento
di Scienze del Farmaco, Università di Padova, via Marzolo
5, 35131 Padova, Italy
| | | | | | - Cristina Marzano
- Dipartimento
di Scienze del Farmaco, Università di Padova, via Marzolo
5, 35131 Padova, Italy
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8
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Prabhakaran R, Sivasamy R, Angayarkanni J, Huang R, Kalaivani P, Karvembu R, Dallemer F, Natarajan K. Topoisomerase II inhibition activity of new square planar Ni(II) complexes containing N-substituted thiosemicarbazones: Synthesis, spectroscopy, X-ray crystallography and electrochemical characterization. Inorganica Chim Acta 2011. [DOI: 10.1016/j.ica.2011.03.020] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Zeglis BM, Divilov V, Lewis JS. Role of metalation in the topoisomerase IIα inhibition and antiproliferation activity of a series of α-heterocyclic-N4-substituted thiosemicarbazones and their Cu(II) complexes. J Med Chem 2011; 54:2391-8. [PMID: 21391686 DOI: 10.1021/jm101532u] [Citation(s) in RCA: 151] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The topoisomerase-IIα inhibition and antiproliferative activity of α-heterocyclic thiosemicarbazones and their corresponding copper(II) complexes have been investigated. The Cu(II)(thiosemicarbazonato)Cl complexes were shown to catalytically inhibit topoisomerase-IIα at concentrations (0.3-7.2 μM) over an order of magnitude lower than their corresponding thiosemicarbazone ligands alone. The copper complexes were also shown to inhibit the proliferation of breast cancer cells expressing high levels of topoisomerase-IIα (SK-BR-3) at lower concentrations than cells expressing lower levels of the enzyme (MCF-7).
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Affiliation(s)
- Brian M Zeglis
- Department of Radiology and the Molecular Pharmacology and Chemistry Program, Memorial Sloan-Kettering Cancer Center, New York, New York 10065, United States
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10
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Leovac VM, Češljević VI, Vojinović-Ješić LS, Divjaković V, Jovanović LS, Szécsényi KM, Rodić MV. Transition metal complexes with thiosemicarbazide-based ligands. Part 56. Square-pyramidal complexes of copper(II) with 2-acetylpyridine S-methylisothiosemicarbazone. Polyhedron 2009. [DOI: 10.1016/j.poly.2009.07.045] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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11
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El-Gammal OA, El-Asmy AA. Synthesis and spectral characterization of 1-(aminoformyl- N -phenylform)-4-ethylthiosemicarbazide and its metal complexes. J COORD CHEM 2008. [DOI: 10.1080/00958970801907748] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- O. A. El-Gammal
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
| | - A. A. El-Asmy
- a Faculty of Science, Chemistry Department , Mansoura University , Mansoura, Egypt
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12
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Gómez-Saiz P, Gil-García R, Maestro MA, Pizarro JL, Arriortua MI, Lezama L, Rojo T, González-Alvarez M, Borrás J, García-Tojal J. Structure, magnetic properties and nuclease activity of pyridine-2-carbaldehyde thiosemicarbazonecopper(II) complexes. J Inorg Biochem 2008; 102:1910-20. [PMID: 18692903 DOI: 10.1016/j.jinorgbio.2008.06.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2008] [Revised: 06/20/2008] [Accepted: 06/23/2008] [Indexed: 11/29/2022]
Abstract
New complexes of formulae [Cu(HL(2))(H(2)O)(NO(3))](NO(3)) (1), [{Cu(L(1))(tfa)}(2)] (2), [{Cu(L(1))}(2)(pz)](ClO(4))(2) (3) and {[{Cu(L(1))}(2)(dca)](ClO(4))}(n) (4), where HL(1)=pyridine-2-carbaldehyde thiosemicarbazone, HL(2)=pyridine-2-carbaldehyde 4N-methylthiosemicarbazone, Htfa=trifluoroacetic acid (CF(3)COOH), pz=pyrazine (C(4)H(4)N(2)) and dca=dicyanamide [N(CN)(2)](-), have been synthesized and characterized. The crystal structures of these compounds are built up of monomers (1), dinuclear entities with the metal centers bridged through the non-thiosemicarbazone coligand (2 and 3) and 1D chains of dimers (4). In all the cases, square-pyramidal copper(II) ions are present, except for the square-planar ones in 3. Magnetic measurements show antiferromagnetic couplings in 2, 3 and 4. The susceptibility data were fitted by the Bleaney-Bowers' equation for copper(II) dimers derived from H=-2JS(1)S(2) being the obtained J/k values -4.8, -4.3 and -5.1K for compounds 2-4, respectively. The magnetic susceptibility of the already known [{Cu(HL(1))(tfa)}(2)](tfa)(2) compound has been also measured for the first time. The J/k value is -0.3K, lower than that in 2. The nuclease activity of 3 and 4 has been analyzed.
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Affiliation(s)
- Patricia Gómez-Saiz
- Departamento de Química, Universidad de Burgos, Misael Bañuelos s/n, 09001 Burgos, Spain
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13
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Jouad EM, Bouet GM, Khan MA, Dogaru D, Mateescu C. Furannic Thiosemicarbazone Complexes of Co(II), Ni(II), and Cu(II) in Ethanol Solutions and of Co(II) in the Solid State. PHOSPHORUS SULFUR 2007. [DOI: 10.1080/10426500701519146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Gilles M. Bouet
- a Laboratoire de Chimie de Coordination , Angers Cedex 01 , France
| | | | - Diana Dogaru
- b Faculty of Food Processing Technology , Banat University of Agricultural Sciences and Veterinary Medicine , Timisoara , Romania
| | - Constantin Mateescu
- b Faculty of Food Processing Technology , Banat University of Agricultural Sciences and Veterinary Medicine , Timisoara , Romania
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14
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Crystal structure of a ternary mononuclear copper (II) complex: 4-chloro-3-methyl-6[(N-2-picolyl)-1′-iminomethyl]phenolato copper(II)perchlorate. CRYSTAL RESEARCH AND TECHNOLOGY 2006. [DOI: 10.1002/crat.200510615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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El-Hawash SAM, Abdel Wahab AE, El-Demellawy MA. Cyanoacetic Acid Hydrazones of 3-(and 4-)Acetylpyridine and Some Derived Ring Systems as Potential Antitumor and Anti-HCV Agents. Arch Pharm (Weinheim) 2006; 339:14-23. [PMID: 16411172 DOI: 10.1002/ardp.200500161] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Two new acetylpyridinehydrazones derived from cyanoacetic acid hydrazide have been synthesized namely: cyanoacetic acid (1-pyridin-3 or 4-yl-ethylidene) hydrazides (1a,b). and some derived ring systems: 2-imino or 2-oxo-2H-chromenes (2a,b and 3a,b), substituted 2-thioxo-2,3-dihydrothiazoles (4a-d), substituted 2-thioxo-2,3-dihydro-6H-thiazolo[4,5-d]pyrimidin-7-ones (5a-d), substituted dihydrothiazoles (7a,b), and substituted 2-oxo-1,2-dihydropyridines (8a-d and 9a,b). Fifteen compounds were evaluated for their anticancer activity using the USA-NCI in-vitro screening program. Among the tested compounds, 8d exhibited a high value of percent tumor growth inhibition at concentrations of 10(-5) to 10(-7) M in all cancer cell lines, while 8b exhibited a significant value of percent tumor growth inhibition at concentration <10(-8 )M against non-small cells lung HOP-92. In addition, nine compounds were investigated for their in-vitro effect on the replication of hepatitis-C virus (HCV) in HepG2 hepatocellular carcinoma cell line infected with the virus using the reverse transcription polymerase chain reaction technique. Six compounds were capable of inhibiting the replication of both the HCV RNA (+)- and (-)-strands at 5-100 microg/mL concentration range. The activity order was 7b > 1b = 3a > 4c > 7a > 5c.
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Affiliation(s)
- Soad A M El-Hawash
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Alexandria, Egypt.
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Chen J, Huang YW, Liu G, Afrasiabi Z, Sinn E, Padhye S, Ma Y. The cytotoxicity and mechanisms of 1,2-naphthoquinone thiosemicarbazone and its metal derivatives against MCF-7 human breast cancer cells. Toxicol Appl Pharmacol 2004; 197:40-8. [PMID: 15126073 DOI: 10.1016/j.taap.2004.02.004] [Citation(s) in RCA: 107] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2003] [Accepted: 02/05/2004] [Indexed: 11/18/2022]
Abstract
We have investigated the antitumor functions and mechanisms of 1,2-naphthoquinone-2-thiosemicarbazone (NQTS) and its metal complexes (Cu(2+), Pd(2+), and Ni(2+)) against MCF-7 human breast cancer cells. The cells were dosed with these complexes at varying concentrations, and cell viability was measured by a sulforhodamine B (SRB) method. To study mechanisms of action, the complexes were incubated with topoisomerase II (topo II) and supercoiled DNA, linear DNA, nicked open DNA, and relaxed DNA were detected by agarose gel electrophoresis. The results revealed that these complexes are effective antitumor chemicals in inhibiting MCF-7 cell growth, with Ni-NQTS being the most effective among the complexes studied. Our data also indicated that Ni-NQTS is more effective than the commercial antitumor drug, etoposide, based on IC(50) values. The mechanistic study of action showed that metal complexes of NQTS, NQ, and NQTS can only stabilize the single-strand nicked DNA, but not double-strand breakage intermediates. In addition, metal derivatives of these ligands, but not the parent NQ and NQTS, exerted an antagonizing effect on topoisomerase II activity. In summary, chemicals with or without metal derivatives might possess different chemical-topoisomerase II-DNA interactions.
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Affiliation(s)
- Junnan Chen
- Department of Chemistry, University of Missouri-Rolla, Rolla, MO 65409, USA
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Yadav PN, Demertzis MA, Kovala-Demertzi D, Skoulika S, West DX. Palladium(II) complexes of 4-formylantipyrine N(3)-substituted thiosemicarbazones: first example of X-ray crystal structure and description of bonding properties. Inorganica Chim Acta 2003. [DOI: 10.1016/s0020-1693(03)00087-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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18
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Chaston TB, Richardson DR. Interactions of the pyridine-2-carboxaldehyde isonicotinoyl hydrazone class of chelators with iron and DNA: implications for toxicity in the treatment of iron overload disease. J Biol Inorg Chem 2003; 8:427-38. [PMID: 12761664 DOI: 10.1007/s00775-002-0434-3] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2002] [Accepted: 11/15/2002] [Indexed: 10/18/2022]
Abstract
Iron chelation therapy for the management of iron-overload disease is dominated by desferrioxamine (DFO). However, treatment using DFO is very arduous. Recently, novel Fe chelators of the pyridine-2-carboxaldehyde isonicotinoyl hydrazone (PCIH) class have shown high chelation efficacy and the potential to replace DFO. A critical consideration in the design of alternatives to DFO is that the chelator forms a redox-inert Fe complex. In the present study, the participation of Fe complexes in redox reactions has been investigated. Ascorbate oxidation in the presence of Fe(III) or benzoate hydroxylation in the presence of Fe(II) was not enhanced by the PCIH analogues. However, redox-induced DNA strand breaks were observed with these ligands under highly oxidizing conditions in the presence of Fe(II) and hydrogen peroxide. Experiments then examined the interactions of the PCIH analogues with DNA, and this was found to be weak. Considering this, we suggest that under extreme conditions seen in the DNA-strand break assay, weak DNA-binding may potentiate the redox activity of the PCIH analogues. However, importantly, in contrast to naked plasmid DNA, DNA damage by these chelators using intact human cells was not significant. Collectively, our results support the potential of the PCIH analogues for the treatment of Fe overload.
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Affiliation(s)
- Timothy B Chaston
- Iron Metabolism and Chelation Program, Children's Cancer Institute Australia for Medical Research, High Street, Randwick, PO Box 81, 2031, Sydney, New South Wales, Australia
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Jasinski JP, Bianchani JR, Cueva J, El-Saied FA, El-Asmy AA, West DX. Spectral and Structural Studies of the Copper(II) Complexes of 3, 4-Hexanedione Bis(3-azacyclothiosemicarbazones). Z Anorg Allg Chem 2003. [DOI: 10.1002/zaac.200390032] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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20
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Labisbal E, Sousa-Pedrares A, Castiñeiras A, Swearingen JK, West DX. Structural studies of pyrazineformamide N4-methylthiosemicarbazone and its zinc(II) and cadmium(II) complexes formed by electrochemical oxidation. Polyhedron 2002. [DOI: 10.1016/s0277-5387(02)01019-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Shashidhara GM, Goudar TR. Oxovanadium(IV) and Niobium(V) Complexes with Some New Schiff Bases. ACTA ACUST UNITED AC 2000. [DOI: 10.1080/00945710009351854] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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22
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Ibrahim G, Bouet GM, Hall IH, Khan MA. Stability constants of potent cytotoxic copper(II) complexes with furan semicarbazones in ethanolic solutions. J Inorg Biochem 2000; 81:29-34. [PMID: 11001428 DOI: 10.1016/s0162-0134(00)00089-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Potent cytotoxic copper(II) complexes of furannic semicarbazones were studied in ethanolic solutions at 25 degrees C. The four ligands used were synthesized in our laboratory, i.e. 2-furfural semicarbazone (FSC), 5-methyl 2-furfural semicarbazone (MFSC), 2-furfural 4-phenyl semicarbazone (FPSC) and 3-(2-furyl) prop-2-enal semicarbazone (FASC). The mathematical analysis was carried out with a recent computer program SIRKO which indicated the formation of one metal-ligand complex in each case and the logarithm of their stability constants are: log beta=2.02, 3.84, 4.58 and 4.52 for ligands FSC, MFSC, FASC and FPSC, respectively. A relation between stability and molecular weight of the ligands is proposed which may prove to be interesting as these complexes are being investigated for their cytotoxic activities.
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Affiliation(s)
- G Ibrahim
- Université Libanaise, Ramlé El-Baïda, Beyrouth, Lebanon
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Hall IH, Lackey CB, Kistler TD, Ives JS, Beraldo H, Ackerman LJ, West DX. The cytotoxicity of symmetrical and unsymmetrical bis(thiosemicarbazones) and their metal complexes in murine and human tumor cells. Arch Pharm (Weinheim) 2000; 333:217-25. [PMID: 10965596 DOI: 10.1002/1521-4184(20007)333:7<217::aid-ardp217>3.0.co;2-m] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A number of thiosemicarbazones have been tested previously and herein are included three bis(thiosemicarbazones) for comparison to the previous derivatives. In general the uncomplexed thiosemicarbazones were more potent in the cytotoxic screens than the bis(thiosemicarbazone) except in the murine L1210 and the human colon SW480 screens. Mode of action studies have only demonstrated slight differences in the effects of the two types of compounds on nucleic acid metabolism. The symmetrical and unsymmetrical bis(thiosemicarbazones) complexes of copper, nickel, zinc, and cadmium have been examined to compare them to the heterocyclic N(4)-substituted thiosemicarbazones metal complexes. These new derivatives demonstrated excellent activity against the growth of suspended lymphomas and leukemias although it should be pointed out that generally they were not as active as the copper complexes of N(4)-substituted thiosemicarbazones. Nevertheless, selected bis(thiosemicarbazones) complexes were active against the growth of human lung MB9812, KB nasopharynx, epidermoid A431, glioma UM-86, colon SW480, ovary 1-A9, breast MCK-7, and osteosarcoma Saos-2. In human HL-60 promyelocytic leukemia cells the complexes preferentially inhibited DNA and purine syntheses over 60 min. The regulatory enzyme of the de novo purine pathway, IMP dehydrogenase, appeared to be a major target of the complexes. However, minor inhibition of the activities of DNA polymerase alpha, PRPP-amido transferase, ribonucleotide reductase, and nucleoside kinases occurred over the same time period. No doubt these effects of the complexes on nucleic acid metabolism were additive since the d[NTP] pool levels were reduced after 60 min as was DNA synthesis. The symmetrical and unsymmetrical bis(thiosemicarbazones) and their metal complexes did not cause as severe DNA fragmentation as the heterocyclic N(4)-substituted thiosemicarbazone metal complexes; furthermore, their metabolic effects in the tumor cell were more focused on a single synthetic pathway.
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Affiliation(s)
- I H Hall
- Division of Medicinal Chemistry & Natural Products, School of Pharmacy, University of North Carolina, Chapel Hill 27599-7360, USA
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Hall IH, Tolmie CE, Barnes BJ, Curtis MA, Russell �JM, Finn MG, Grimes RN. Cytotoxicity of tantalum(V) and niobium(V) small carborane complexes and mode of action in P388 lymphocytic leukemia cells. Appl Organomet Chem 2000. [DOI: 10.1002/(sici)1099-0739(200002)14:2<108::aid-aoc963>3.0.co;2-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Hall IH, Bastow KF, Warren AE, Barnes CR, Bouet GM. Cytotoxicity of cobalt complexes of furan oximes in murine and human tissue-cultured cell lines. Appl Organomet Chem 1999. [DOI: 10.1002/(sici)1099-0739(199911)13:11<819::aid-aoc906>3.0.co;2-r] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Palladium(II) and platinum(II) complexes of 6-methyl-2-acetylpyridine 3-hexamethyleneiminylthiosemicarbazones: A structural and spectral study. Polyhedron 1999. [DOI: 10.1016/s0277-5387(98)00412-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Miller MC, Stineman CN, Vance JR, West DX, Hall IH. Multiple mechanisms for cytotoxicity induced by copper(II) complexes of 2‐acetylpyrazine‐
N
‐substituted thiosemicarbazones. Appl Organomet Chem 1999. [DOI: 10.1002/(sici)1099-0739(199901)13:1<9::aid-aoc818>3.0.co;2-#] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- M. C. Miller
- Division of Medicinal Chemistry and Natural Products, School of Pharmacy, University of North Carolina, Chapel Hill, NL 27559‐7360, USA
| | - C. N. Stineman
- Curriculum in Toxicity, School of Medicine, University of North Carolina, Chapel Hill, NL 27559‐7360, USA
| | - J. R. Vance
- Division of Medicinal Chemistry and Natural Products, School of Pharmacy, University of North Carolina, Chapel Hill, NL 27559‐7360, USA
| | - D. X. West
- Department of Chemistry, Illinois State University, Normal, 61761, USA
| | - I. H. Hall
- Division of Medicinal Chemistry and Natural Products, School of Pharmacy, University of North Carolina, Chapel Hill, NL 27559‐7360, USA
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