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Różycka D, Kowalczyk A, Denel-Bobrowska M, Kuźmycz O, Gapińska M, Stączek P, Olejniczak AB. Acridine/Acridone-Carborane Conjugates as Strong DNA-Binding Agents with Anticancer Potential. ChemMedChem 2023; 18:e202200666. [PMID: 36734215 DOI: 10.1002/cmdc.202200666] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 02/04/2023]
Abstract
Synthesis of acridine derivatives that act as DNA-targeting anticancer agents is an evolving field and has resulted in the introduction of several drugs into clinical trials. Carboranes can be of importance in designing biologically active compounds due to their specific properties. Therefore, a series of novel acridine analogs modified with carborane clusters were synthesized. The DNA-binding ability of these analogs was evaluated on calf thymus DNA (ct-DNA). Results of these analyses showed that 9-[(1,7-dicarba-closo-dodecaborane-1-yl)propylamino]acridine (30) interacted strongly with ct-DNA, indicating its ability to intercalate into DNA, whereas 9-[(1,7-dicarba-closo-dodecaborane-1-yl)propanamido]acridine (29) changed the B-form of ct-DNA to the Z form. Compound 30 demonstrated cytotoxicity, was able to inhibit cell proliferation, arrest the cell cycle in the S phase in the HeLa cancer cell line, and induced the production of reactive oxygen species (ROS). In addition, it was specifically localized in lysosomes and was a weak inhibitor of Topo IIα.
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Affiliation(s)
- Daria Różycka
- Screening Laboratory, Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Łódź, 93-232, Poland
| | - Aleksandra Kowalczyk
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., Łódź, 90-237, Poland
| | - Marta Denel-Bobrowska
- Screening Laboratory, Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Łódź, 93-232, Poland
| | - Olga Kuźmycz
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., Łódź, 90-237, Poland
| | - Magdalena Gapińska
- Laboratory of Microscopic Imaging and Specialized Biological Techniques, Faculty of Biology Environmental Protection, University of Lodz, 12/16 Banacha St., Łódź, 90-237, Poland
| | - Paweł Stączek
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., Łódź, 90-237, Poland
| | - Agnieszka B Olejniczak
- Screening Laboratory, Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Łódź, 93-232, Poland
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Rykowski S, Gurda-Woźna D, Orlicka-Płocka M, Fedoruk-Wyszomirska A, Giel-Pietraszuk M, Wyszko E, Kowalczyk A, Stączek P, Biniek-Antosiak K, Rypniewski W, Olejniczak AB. Design of DNA Intercalators Based on 4-Carboranyl-1,8-Naphthalimides: Investigation of Their DNA-Binding Ability and Anticancer Activity. Int J Mol Sci 2022; 23:ijms23094598. [PMID: 35562989 PMCID: PMC9101373 DOI: 10.3390/ijms23094598] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/12/2022] [Accepted: 04/19/2022] [Indexed: 11/24/2022] Open
Abstract
In the present study, we continue our work related to the synthesis of 1,8-naphthalimide and carborane conjugates and the investigation of their anticancer activity and DNA-binding ability. For this purpose, a series of 4-carboranyl-1,8-naphthalimide derivatives, mitonafide, and pinafide analogs were synthesized using click chemistry, reductive amination, amidation, and Mitsunobu reactions. The calf thymus DNA (ct-DNA)-binding properties of the synthesized compounds were investigated by circular dichroism (CD), UV–vis spectroscopy, and thermal denaturation experiments. Conjugates 54–61 interacted very strongly with ct-DNA (∆Tm = 7.67–12.33 °C), suggesting their intercalation with DNA. They were also investigated for their in vitro effects on cytotoxicity, cell migration, cell death, cell cycle, and production of reactive oxygen species (ROS) in a HepG2 cancer cell line as well as inhibition of topoisomerase IIα activity (Topo II). The cytotoxicity of these eight conjugates was in the range of 3.12–30.87 µM, with the lowest IC50 value determined for compound 57. The analyses showed that most of the conjugates could induce cell cycle arrest in the G0/G1 phase, inhibit cell migration, and promote apoptosis. Two conjugates, namely 60 and 61, induced ROS production, which was proven by the increased level of 2′-deoxy-8-oxoguanosine in DNA. They were specifically located in lysosomes, and because of their excellent fluorescent properties, they could be easily detected within the cells. They were also found to be weak Topo II inhibitors.
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Affiliation(s)
- Sebastian Rykowski
- Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., 93-232 Lodz, Poland;
| | - Dorota Gurda-Woźna
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Marta Orlicka-Płocka
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Agnieszka Fedoruk-Wyszomirska
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Małgorzata Giel-Pietraszuk
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Eliza Wyszko
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Aleksandra Kowalczyk
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland; (A.K.); (P.S.)
| | - Paweł Stączek
- Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland; (A.K.); (P.S.)
| | - Katarzyna Biniek-Antosiak
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Wojciech Rypniewski
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland; (D.G.-W.); (M.O.-P.); (A.F.-W.); (M.G.-P.); (E.W.); (K.B.-A.); (W.R.)
| | - Agnieszka B. Olejniczak
- Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., 93-232 Lodz, Poland;
- Correspondence: ; Tel.: +48-42-272-36-37
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Gruzdev DA, Levit GL, Krasnov VP, Charushin VN. Carborane-containing amino acids and peptides: Synthesis, properties and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213753] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Tse EG, Houston SD, Williams CM, Savage GP, Rendina LM, Hallyburton I, Anderson M, Sharma R, Walker GS, Obach RS, Todd MH. Nonclassical Phenyl Bioisosteres as Effective Replacements in a Series of Novel Open-Source Antimalarials. J Med Chem 2020; 63:11585-11601. [PMID: 32678591 DOI: 10.1021/acs.jmedchem.0c00746] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The replacement of one chemical motif with another that is broadly similar is a common method in medicinal chemistry to modulate the physical and biological properties of a molecule (i.e., bioisosterism). In recent years, bioisosteres such as cubane and bicyclo[1.1.1]pentane (BCP) have been used as highly effective phenyl mimics. Herein, we show the successful incorporation of a range of phenyl bioisosteres during the open-source optimization of an antimalarial series. Cubane (19) and closo-carborane (23) analogues exhibited improved in vitro potency against Plasmodium falciparum compared to the parent phenyl compound; however, these changes resulted in a reduction in metabolic stability; unusually, enzyme-mediated oxidation was found to take place on the cubane core. A BCP analogue (22) was found to be equipotent to its parent phenyl compound and showed significantly improved metabolic properties. While these results demonstrate the utility of these atypical bioisosteres when used in a medicinal chemistry program, the search to find a suitable bioisostere may well require the preparation of many candidates, in our case, 32 compounds.
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Affiliation(s)
- Edwin G Tse
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Sevan D Houston
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, Queensland 4072, Australia
| | - Craig M Williams
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, Queensland 4072, Australia
| | - G Paul Savage
- Ian Wark Laboratory, CSIRO Manufacturing, Melbourne, Victoria 3168, Australia
| | - Louis M Rendina
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Irene Hallyburton
- Drug Discovery Unit, Division of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, U.K
| | - Mark Anderson
- Drug Discovery Unit, Division of Biological Chemistry and Drug Discovery, School of Life Sciences, University of Dundee, Dundee DD1 5EH, U.K
| | - Raman Sharma
- Pfizer Inc., Groton, Connecticut 06340, United States
| | | | - R Scott Obach
- Pfizer Inc., Groton, Connecticut 06340, United States
| | - Matthew H Todd
- School of Pharmacy, University College London, London WC1N 1AX, U.K
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Nekvinda J, Różycka D, Rykowski S, Wyszko E, Fedoruk-Wyszomirska A, Gurda D, Orlicka-Płocka M, Giel-Pietraszuk M, Kiliszek A, Rypniewski W, Bachorz R, Wojcieszak J, Grüner B, Olejniczak AB. Synthesis of naphthalimide-carborane and metallacarborane conjugates: Anticancer activity, DNA binding ability. Bioorg Chem 2019; 94:103432. [PMID: 31776032 DOI: 10.1016/j.bioorg.2019.103432] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/11/2019] [Accepted: 11/10/2019] [Indexed: 12/27/2022]
Abstract
The development of 1,8-naphthalimide derivatives as DNA-targeting anticancer agents is a rapidly growing area and has resulted in several derivatives entering into clinical trials. One of original recent developments is the use of boron clusters: carboranes and metallacarboranes in the design of pharmacologically active molecules. In this direction several naphthalimide-carborane and metallacarborane conjugates were synthesized in the present study. Their effect on a cancer cell line - cytotoxicity, type of cell death, cell cycle, and ROS production were investigated. The tested conjugates revealed different activities than the leading members of the naphthalimides family, namely mitonafide and pinafide. These derivatives could induce G0/G1 arrest and promote mainly apoptosis in HepG2 cell line. Our investigations demonstrated that the most promising molecule is N-{[2-(3,3'-commo-bis(1,2-dicarba-3-cobalta(III)-closo-dodecaborate-1-yl)ethyl]-1'-aminoethyl)}-1,8-naphthalimide] (17). It was shown that 17 exhibited cytotoxicity against HepG2 cells, activated cell apoptosis, and caused cell cycle arrest in HepG2 cells. Further investigations in HepG2 cells revealed that compound 17 can also induce ROS generation, particularly mitochondrial ROS (mtROS), which was also proved by increased 8-oxo-dG level in DNA. Additionally to biological assays the interaction of the new compounds with ct-DNA was studied by CD spectra and melting temperature, thus demonstrating that these compounds were rather weak classical DNA intercalators.
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Affiliation(s)
- Jan Nekvinda
- Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Hlavní 1001, CZ-250 68 Řež, Czech Republic; Department of Organic Chemistry, Faculty of Sciences, Charles University, Hlavova 2030, 128 42 Prague 2, Czech Republic
| | - Daria Różycka
- Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Lodz 93-232, Poland
| | - Sebastian Rykowski
- Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Lodz 93-232, Poland
| | - Eliza Wyszko
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland.
| | | | - Dorota Gurda
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland
| | - Marta Orlicka-Płocka
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland
| | - Małgorzata Giel-Pietraszuk
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland
| | - Agnieszka Kiliszek
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland
| | - Wojciech Rypniewski
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, 12/14 Z. Noskowskiego St., 61-704 Poznan, Poland
| | - Rafał Bachorz
- Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Lodz 93-232, Poland
| | - Jakub Wojcieszak
- Department of Pharmacodynamics, Medical University of Lodz, 1 Muszynskiego St., 90-151 Lodz, Poland
| | - Bohumir Grüner
- Institute of Inorganic Chemistry, Academy of Sciences of the Czech Republic, v.v.i., Hlavní 1001, CZ-250 68 Řež, Czech Republic
| | - Agnieszka B Olejniczak
- Institute of Medical Biology, Polish Academy of Sciences, 106 Lodowa St., Lodz 93-232, Poland.
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6
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Agarwal HK, Khalil A, Ishita K, Yang W, Nakkula RJ, Wu LC, Ali T, Tiwari R, Byun Y, Barth RF, Tjarks W. Synthesis and evaluation of thymidine kinase 1-targeting carboranyl pyrimidine nucleoside analogs for boron neutron capture therapy of cancer. Eur J Med Chem 2015; 100:197-209. [PMID: 26087030 DOI: 10.1016/j.ejmech.2015.05.042] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 05/24/2015] [Accepted: 05/26/2015] [Indexed: 10/23/2022]
Abstract
A library of sixteen 2nd generation amino- and amido-substituted carboranyl pyrimidine nucleoside analogs, designed as substrates and inhibitors of thymidine kinase 1 (TK1) for potential use in boron neutron capture therapy (BNCT) of cancer, was synthesized and evaluated in enzyme kinetic-, enzyme inhibition-, metabolomic-, and biodistribution studies. One of these 2nd generation carboranyl pyrimidine nucleoside analogs (YB18A [3]), having an amino group directly attached to a meta-carborane cage tethered via ethylene spacer to the 3-position of thymidine, was approximately 3-4 times superior as a substrate and inhibitor of hTK1 than N5-2OH (2), a 1st generation carboranyl pyrimidine nucleoside analog. Both 2 and 3 appeared to be 5'-monophosphorylated in TK1(+) RG2 cells, both in vitro and in vivo. Biodistribution studies in rats bearing intracerebral RG2 glioma resulted in selective tumor uptake of 3 with an intratumoral concentration that was approximately 4 times higher than that of 2. The obtained results significantly advance the understanding of the binding interactions between TK1 and carboranyl pyrimidine nucleoside analogs and will profoundly impact future design strategies for these agents.
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Affiliation(s)
- Hitesh K Agarwal
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH, USA
| | - Ahmed Khalil
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH, USA
| | - Keisuke Ishita
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH, USA
| | - Weilian Yang
- Department of Pathology, The Ohio State University, Columbus, OH, USA
| | - Robin J Nakkula
- Department of Pathology, The Ohio State University, Columbus, OH, USA
| | - Lai-Chu Wu
- Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Tehane Ali
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH, USA
| | - Rohit Tiwari
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH, USA
| | - Youngjoo Byun
- College of Pharmacy, Korea University, Sejong, Republic of Korea
| | - Rolf F Barth
- Department of Pathology, The Ohio State University, Columbus, OH, USA
| | - Werner Tjarks
- Division of Medicinal Chemistry & Pharmacognosy, The Ohio State University, Columbus, OH, USA.
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Stogniy MY, Sivaev IB, Godovikov IA, Starikova ZA, Bregadze VI, Qi S. Synthesis of new ω-amino- and ω-azidoalkyl carboranes. NEW J CHEM 2013. [DOI: 10.1039/c3nj00677h] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Agarwal HK, McElroy CA, Sjuvarsson E, Eriksson S, Darby MV, Tjarks W. Synthesis of N3-substituted carboranyl thymidine bioconjugates and their evaluation as substrates of recombinant human thymidine kinase 1. Eur J Med Chem 2012; 60:456-68. [PMID: 23318906 DOI: 10.1016/j.ejmech.2012.11.041] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Revised: 11/23/2012] [Accepted: 11/29/2012] [Indexed: 01/19/2023]
Abstract
Four different libraries of overall twenty three N3-substituted thymidine (dThd) analogues, including eleven 3-carboranyl thymidine analogues (3CTAs), were synthesized. The latter are potential agents for Boron Neutron Capture Therapy (BNCT) of cancer. Linker between the dThd scaffold and the m-carborane cluster at the N3-position of the 3CTAs contained amidinyl-(3e and 3f), guanidyl-(7e-7g), tetrazolylmethyl-(9b1/2-9d1/2), or tetrazolyl groups (11b1/2-11d1/2) to improve human thymidine kinase 1 (hTK1) substrate characteristics and water solubilities compared with 1st generation 3CTAs, such as N5 and N5-2OH. The amidinyl- and guanidyl-type N3-substitued dThd analogues (3a-3f and 7a-7g) had hTK1 phosphorylation rates of <30% relative to that of dThd, the endogenous hTK1 substrate, whereas the tetrazolyl-type N3-substitued dThd analogues (9a, 9b1/2-9d1/2 and 11a, 11b1/2-11d1/2) had relative phosphorylation rates (rPRs) of >40%. Compounds 9a, 9b1/2-9d1/2 and 11a, 11b1/2-11d1/2 were subjected to in-depth enzyme kinetics studies and the obtained rk(cat)/K(m) (k(cat)/K(m) relative to that of dThd) ranged from 2.5 to 26%. The tetrazolyl-type N3-substitued dThd analogues 9b1/2 and 11d1/2 were the best substrates of hTK1 with rPRs of 52.4% and 42.5% and rk(cat)/K(m) values of 14.9% and 19.7% respectively. In comparison, the rPR and rk(cat)/K(m) values of N5-2OH in this specific study were 41.5% and 10.8%, respectively. Compounds 3e and 3f were >1900 and >1500 times, respectively, better soluble in PBS (pH 7.4) than N5-2OH whereas solubilities for 9b1/2-9d1/2 and 11b1/2-11d1/2 were only 1.3-13 times better.
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Affiliation(s)
- Hitesh K Agarwal
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA.
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