1
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Zhang S, Wu H, Day CS, Bierbach U. Platinum-Acridine Agents with High Activity in Cancers Expressing the Solute Carrier MATE1 ( SLC47A1). ACS Med Chem Lett 2023; 14:1122-1128. [PMID: 37583829 PMCID: PMC10424322 DOI: 10.1021/acsmedchemlett.3c00266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 07/21/2023] [Indexed: 08/17/2023] Open
Abstract
Platinum-acridine anticancer agents (PAs) containing acyclic (1 and 3) and heterocyclic (R)-3-aminopiperidine (2) and 2-iminopyrrolidine (4) based linker moieties were studied. Similar to 1, rigidified 2 shows a strong positive correlation between potency and SLC47A1 (multidrug and toxin extrusion protein 1, MATE1) gene expression levels across the NCI-60 panel of cancer cell lines. All derivatives show nanomolar activity in HepG2 (liver), NCI-H460 (lung), and MDA-MB-436 (breast), which express high levels of SLC47A1 (Cancer Cell Line Encyclopedia, CCLE). The PAs are up to 350-fold more potent than cisplatin. In a MATE1 inhibition assay, a significant reduction in activity is observed in the three cancer cell lines (4000-fold lower for HepG2). Molecular docking experiments provide insight into the compatibility of the structurally diverse set of PAs with MATE1-mediated transport. MATE1 is a predictive marker and actionable target that sensitizes cancer cells regardless of the tissue of origin to PAs.
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Affiliation(s)
- Shenjie Zhang
- Department
of Chemistry, Wake Forest University, Wake Downtown Campus, Winston-Salem, North Carolina 27101, United States
| | - Haoqing Wu
- Department
of Chemistry, Wake Forest University, Wake Downtown Campus, Winston-Salem, North Carolina 27101, United States
| | - Cynthia S. Day
- Department
of Chemistry, Wake Forest University, Winston-Salem, North Carolina 27109, United States
| | - Ulrich Bierbach
- Department
of Chemistry, Wake Forest University, Wake Downtown Campus, Winston-Salem, North Carolina 27101, United States
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2
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Varakumar P, Rajagopal K, Aparna B, Raman K, Byran G, Gonçalves Lima CM, Rashid S, Nafady MH, Emran TB, Wybraniec S. Acridine as an Anti-Tumour Agent: A Critical Review. Molecules 2022; 28:molecules28010193. [PMID: 36615391 PMCID: PMC9822522 DOI: 10.3390/molecules28010193] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/14/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
This review summarized the current breakthroughs in the chemistry of acridines as anti-cancer agents, including new structural and biologically active acridine attributes. Acridine derivatives are a class of compounds that are being extensively researched as potential anti-cancer drugs. Acridines are well-known for their high cytotoxic activity; however, their clinical application is restricted or even excluded as a result of side effects. The photocytotoxicity of propyl acridine acts against leukaemia cell lines, with C1748 being a promising anti-tumour drug against UDP-UGT's. CK0403 is reported in breast cancer treatment and is more potent than CK0402 against estrogen receptor-negative HER2. Acridine platinum (Pt) complexes have shown specificity on the evaluated DNA sequences; 9-anilinoacridine core, which intercalates DNA, and a methyl triazene DNA-methylating moiety were also studied. Acridine thiourea gold and acridinone derivatives act against cell lines such as MDA-MB-231, SK-BR-3, and MCF-7. Benzimidazole acridine compounds demonstrated cytotoxic activity against Dual Topo and PARP-1. Quinacrine, thiazacridine, and azacridine are reported as anti-cancer agents, which have been reported in the previous decade and were addressed in this review article.
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Affiliation(s)
- Potlapati Varakumar
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | - Kalirajan Rajagopal
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
- Correspondence: (K.R.); (T.B.E.); (S.W.)
| | - Baliwada Aparna
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | - Kannan Raman
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | - Gowramma Byran
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy (JSS Academy of Higher Education & Research), Ooty 643001, India
| | | | - Salma Rashid
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Mohammed H. Nafady
- Faculty of Applied Health Science Technology, Misr University for Science and Technology, Giza 12568, Egypt
| | - Talha Bin Emran
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Correspondence: (K.R.); (T.B.E.); (S.W.)
| | - Sławomir Wybraniec
- Department of Chemical Technology and Environmental Analysis, Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
- Correspondence: (K.R.); (T.B.E.); (S.W.)
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3
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Andrezálová L, Országhová Z. Covalent and noncovalent interactions of coordination compounds with DNA: An overview. J Inorg Biochem 2021; 225:111624. [PMID: 34653826 DOI: 10.1016/j.jinorgbio.2021.111624] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/30/2021] [Accepted: 09/28/2021] [Indexed: 12/26/2022]
Abstract
Deoxyribonucleic acid plays a central role in crucial cellular processes, and many drugs exert their effects through binding to DNA. Since the discovery of cisplatin and its derivatives considerable attention of researchers has been focused on the development of novel anticancer metal-based drugs. Transition metal complexes, due to their great diversity in size and structure, have a big potential to modify DNA through diverse types of interactions, making them the prominent class of compounds for DNA targeted therapy. In this review we describe various binding modes of metal complexes to duplex DNA based on covalent and noncovalent interactions or combination of both. Specific examples of each binding mode as well as possible cytotoxic effects of metal complexes in tumor cells are presented.
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Affiliation(s)
- Lucia Andrezálová
- Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Comenius University, Sasinkova 2, 813 72 Bratislava, Slovakia; Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia.
| | - Zuzana Országhová
- Institute of Medical Chemistry, Biochemistry and Clinical Biochemistry, Faculty of Medicine, Comenius University, Sasinkova 2, 813 72 Bratislava, Slovakia
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4
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Hreusova M, Brabec V, Novakova O. Processing and Bypass of a Site-Specific DNA Adduct of the Cytotoxic Platinum-Acridinylthiourea Conjugate by Polymerases Involved in DNA Repair: Biochemical and Thermodynamic Aspects. Int J Mol Sci 2021; 22:ijms221910838. [PMID: 34639179 PMCID: PMC8509567 DOI: 10.3390/ijms221910838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/29/2021] [Accepted: 10/04/2021] [Indexed: 11/24/2022] Open
Abstract
DNA-dependent DNA and RNA polymerases are important modulators of biological functions such as replication, transcription, recombination, or repair. In this work performed in cell-free media, we studied the ability of selected DNA polymerases to overcome a monofunctional adduct of the cytotoxic/antitumor platinum–acridinylthiourea conjugate [PtCl(en)(L)](NO3)2 (en = ethane-1,2-diamine, L = 1-[2-(acridin-9-ylamino)ethyl]-1,3-dimethylthiourea) (ACR) in its favored 5′-CG sequence. We focused on how a single site-specific ACR adduct with intercalation potency affects the processivity and fidelity of DNA-dependent DNA polymerases involved in translesion synthesis (TLS) and repair. The ability of the G(N7) hybrid ACR adduct formed in the 5′-TCGT sequence of a 24-mer DNA template to inhibit the synthesis of a complementary DNA strand by the exonuclease-deficient Klenow fragment of DNA polymerase I (KFexo−) and human polymerases eta, kappa, and iota was supplemented by thermodynamic analysis of the polymerization process. Thermodynamic parameters of a simulated translesion synthesis across the ACR adduct were obtained by using microscale thermophoresis (MST). Our results show a strong inhibitory effect of an ACR adduct on enzymatic TLS: there was only small synthesis of a full-length product (less than 10%) except polymerase eta (~20%). Polymerase eta was able to most efficiently bypass the ACR hybrid adduct. Incorporation of a correct dCMP opposite the modified G residue is preferred by all the four polymerases tested. On the other hand, the frequency of misinsertions increased. The relative efficiency of misinsertions is higher than that of matched cytidine monophosphate but still lower than for the nonmodified control duplex. Thermodynamic inspection of the simulated TLS revealed a significant stabilization of successively extended primer/template duplexes containing an ACR adduct. Moreover, no significant decrease of dissociation enthalpy change behind the position of the modification can contribute to the enzymatic TLS observed with the DNA-dependent, repair-involved polymerases. This TLS could lead to a higher tolerance of cancer cells to the ACR conjugate compared to its enhanced analog, where thiourea is replaced by an amidine group: [PtCl(en)(L)](NO3)2 (complex AMD, en = ethane-1,2-diamine, L = N-[2-(acridin-9-ylamino)ethyl]-N-methylpropionamidine).
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Affiliation(s)
- Monika Hreusova
- Czech Academy of Sciences, Institute of Biophysics, Kralovopolska 135, CZ 61265 Brno, Czech Republic; (M.H.); (V.B.)
| | - Viktor Brabec
- Czech Academy of Sciences, Institute of Biophysics, Kralovopolska 135, CZ 61265 Brno, Czech Republic; (M.H.); (V.B.)
- Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, CZ 78371 Olomouc, Czech Republic
| | - Olga Novakova
- Czech Academy of Sciences, Institute of Biophysics, Kralovopolska 135, CZ 61265 Brno, Czech Republic; (M.H.); (V.B.)
- Correspondence: ; Tel.: +420-541-517-135
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5
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Yao X, Bierbach U. DNA Adduct Detection after Post-Labeling Technique with PCR Amplification (DNA-ADAPT-qPCR) Identifies the Pre-Ribosomal RNA Gene as a Direct Target of Platinum-Acridine Anticancer Agents. Chemistry 2021; 27:14681-14689. [PMID: 34375484 DOI: 10.1002/chem.202102263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Indexed: 11/08/2022]
Abstract
To study the DNA damage caused by a potent platinum-acridine anticancer agent (PA) in cancer cells, an assay based on biorthogonal post-labeling using a click chemistry-enabled, azide-modified derivative (APA) was developed. The method involves biotinylation, affinity capture, and bead-based enrichment of APA-modified genomic DNA. The key steps of the assay were validated and optimized in model duplexes, including full-length plasmids, restriction fragments, and a DNA ladder. Native DNA treated with APA and subsequently subjected to post-labeling with a biotin affinity tag was enzymatically digested and fragments were analyzed by in-line LC-MS and MS/MS. The monofunctional-intercalative adducts formed by APA in 5´-pyrimidine/guanine sequences in double-stranded DNA are quantitatively biotinylated by strain-promoted 1,3-dipolar cycloaddition chemistry. When applied to DNA extracted from A549 lung cancer cells, the assay in combination with qPCR amplification demonstrates that platinum-acridines form adducts in the gene sequences encoding pre-ribosomal RNA, a potential pharmacological target of these agents.
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Affiliation(s)
- Xiyuan Yao
- Wake Forest University, Chemistry, UNITED STATES
| | - Ulrich Bierbach
- Wake Forest University, Chemistry, 1834 Wake Forest Rd, 27109, Winston-Salem, UNITED STATES
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6
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Synthesis and characterization of ethylenediamine platinum(II) complexes containing thiourea derivatives. X-ray crystal structures of [Pt(en)(2-imidazolidinethione)2](NO3)2 and [Pt(en)(1-phenyl-2-thiourea)2](NO3)2. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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7
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Zhang S, Yao X, Watkins NH, Rose PK, Caruso SR, Day CS, Bierbach U. Discovery of a Chiral DNA‐Targeted Platinum–Acridine Agent with Potent Enantioselective Anticancer Activity. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Shenjie Zhang
- Department of Chemistry Wake Forest University, Wake Downtown 455 Vine St. Winston-Salem NC 27101 USA
| | - Xiyuan Yao
- Department of Chemistry Wake Forest University, Wake Downtown 455 Vine St. Winston-Salem NC 27101 USA
| | - Noah H. Watkins
- Department of Chemistry Wake Forest University, Wake Downtown 455 Vine St. Winston-Salem NC 27101 USA
| | - P. Keegan Rose
- Department of Chemistry Wake Forest University, Wake Downtown 455 Vine St. Winston-Salem NC 27101 USA
| | - Sofia R. Caruso
- Department of Chemistry Wake Forest University, Wake Downtown 455 Vine St. Winston-Salem NC 27101 USA
| | - Cynthia S. Day
- Department of Chemistry Wake Forest University 1834 Wake Forest Rd. Winston-Salem NC 27109 USA
| | - Ulrich Bierbach
- Department of Chemistry Wake Forest University, Wake Downtown 455 Vine St. Winston-Salem NC 27101 USA
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8
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Hreusova M, Novakova O, Brabec V. Thermodynamic Insights by Microscale Thermophoresis into Translesion DNA Synthesis Catalyzed by DNA Polymerases Across a Lesion of Antitumor Platinum-Acridine Complex. Int J Mol Sci 2020; 21:ijms21207806. [PMID: 33096927 PMCID: PMC7589001 DOI: 10.3390/ijms21207806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 11/16/2022] Open
Abstract
Translesion synthesis (TLS) through DNA adducts of antitumor platinum complexes has been an interesting aspect of DNA synthesis in cells treated with these metal-based drugs because of its correlation to drug sensitivity. We utilized model systems employing a DNA lesion derived from a site-specific monofunctional adduct formed by antitumor [PtCl(en)(L)](NO3)2 (complex AMD, en = ethane-1,2-diamine, L = N-[2-(acridin-9-ylamino)ethyl]-N-methylpropionamidine) at a unique G residue. The catalytic efficiency of TLS DNA polymerases, which differ in their processivity and fidelity for the insertion of correct dCTP, with respect to the other incorrect nucleotides, opposite the adduct of AMD, was investigated. For a deeper understanding of the factors that control the bypass of the site-specific adducts of AMD catalyzed by DNA polymerases, we also used microscale thermophoresis (MST) to measure the thermodynamic changes associated with TLS across a single, site-specific adduct formed in DNA by AMD. The relative catalytic efficiency of the investigated DNA polymerases for the insertion of correct dCTP, with respect to the other incorrect nucleotides, opposite the AMD adduct, was reduced. Nevertheless, incorporation of the correct C opposite the G modified by AMD of the template strand was promoted by an increasing thermodynamic stability of the resulting duplex. The reduced relative efficiency of the investigated DNA polymerases may be a consequence of the DNA intercalation of the acridine moiety of AMD and the size of the adduct. The products of the bypass of this monofunctional lesion produced by AMD and DNA polymerases also resulted from the misincorporation of dNTPs opposite the platinated G residues. The MST analysis suggested that thermodynamic factors may contribute to the forces that governed enhanced incorporation of the incorrect dNTPs by DNA polymerases.
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Affiliation(s)
- Monika Hreusova
- Czech Academy of Sciences, Institute of Biophysics, Kralovopolska 135, CZ-61265 Brno, Czech Republic; (M.H.); (O.N.)
- Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, CZ 78371 Olomouc, Czech Republic
| | - Olga Novakova
- Czech Academy of Sciences, Institute of Biophysics, Kralovopolska 135, CZ-61265 Brno, Czech Republic; (M.H.); (O.N.)
| | - Viktor Brabec
- Czech Academy of Sciences, Institute of Biophysics, Kralovopolska 135, CZ-61265 Brno, Czech Republic; (M.H.); (O.N.)
- Correspondence: ; Tel.: +420-541-517-148
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9
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Zhang S, Yao X, Watkins NH, Rose PK, Caruso SR, Day CS, Bierbach U. Discovery of a Chiral DNA-Targeted Platinum-Acridine Agent with Potent Enantioselective Anticancer Activity. Angew Chem Int Ed Engl 2020; 59:21965-21970. [PMID: 32835419 DOI: 10.1002/anie.202009983] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/19/2020] [Indexed: 12/24/2022]
Abstract
A structure-activity relationship study was performed for a set of rigidified platinum-acridine anticancer agents containing linkers derived from chiral pyrrolidine and piperidine scaffolds. Screening a library of microscale reactions and selected resynthesized compounds in non-small-cell lung cancer (NSCLC) cells showed that cytotoxicities varied by more than three orders of magnitude. A potent hit compound was discovered containing a (R)-N-(piperidin-3-yl) linker (P2-6R), which killed NCI-H460 and A549 lung cancer cells 100 times more effectively than the S enantiomer (P2-6S). P2-6R accumulated in A549 cells significantly faster and produced 50-fold higher DNA adduct levels than P2-6S. Ligand similarity analysis suggests that only module 6R may be compatible with strainless monofunctional intercalative binding. NCI-60 screening and COMPARE analysis highlights the spectrum of activity and potential utility of P2-6R for treating NSCLC and other solid tumors.
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Affiliation(s)
- Shenjie Zhang
- Department of Chemistry, Wake Forest University, Wake Downtown, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Xiyuan Yao
- Department of Chemistry, Wake Forest University, Wake Downtown, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Noah H Watkins
- Department of Chemistry, Wake Forest University, Wake Downtown, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - P Keegan Rose
- Department of Chemistry, Wake Forest University, Wake Downtown, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Sofia R Caruso
- Department of Chemistry, Wake Forest University, Wake Downtown, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Cynthia S Day
- Department of Chemistry, Wake Forest University, 1834 Wake Forest Rd., Winston-Salem, NC, 27109, USA
| | - Ulrich Bierbach
- Department of Chemistry, Wake Forest University, Wake Downtown, 455 Vine St., Winston-Salem, NC, 27101, USA
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10
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Yao X, Watkins NH, Brown-Harding H, Bierbach U. A membrane transporter determines the spectrum of activity of a potent platinum-acridine hybrid anticancer agent. Sci Rep 2020; 10:15201. [PMID: 32939009 PMCID: PMC7494928 DOI: 10.1038/s41598-020-72099-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 08/24/2020] [Indexed: 01/22/2023] Open
Abstract
Cytotoxic drugs that are mechanistically distinct from current chemotherapies are attractive components of personalized combination regimens for combatting aggressive forms of cancer. To gain insight into the cellular mechanism of a potent platinum-acridine anticancer agent (compound 1), a correlation analysis of NCI-60 compound screening results and gene expression profiles was performed. A plasma membrane transporter, the solute carrier (SLC) human multidrug and toxin extrusion protein 1 (hMATE1, SLC47A1), emerged as the dominant predictor of cancer cell chemosensitivity to the hybrid agent (Pearson correlation analysis, p < 10-5) across a wide range of tissues of origin. The crucial role of hMATE1 was validated in lung adenocarcinoma cells (A549), which expresses high levels of the membrane transporter, using transporter inhibition assays and transient knockdown of the SLC47A1 gene, in conjunction with quantification of intracellular accumulation of compound 1 and cell viability screening. Preliminary data also show that HCT-116 colon cancer cells, in which hMATE1 is epigenetically repressed, can be sensitized to compound 1 by priming the cells with the drugs EPZ-6438 (tazemetostat) and EED226. Collectively, these results suggest that hMATE1 may have applications as a pan-cancer molecular marker to identify and target tumors that are likely to respond to platinum-acridines.
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Affiliation(s)
- Xiyuan Yao
- Department of Chemistry, Wake Forest University, Wake Forest Innovation Quarter, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Noah H Watkins
- Department of Chemistry, Wake Forest University, Wake Forest Innovation Quarter, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Heather Brown-Harding
- Department of Biology, Wake Forest University, Wake Forest Innovation Quarter, 455 Vine St., Winston-Salem, NC, 27101, USA
| | - Ulrich Bierbach
- Department of Chemistry, Wake Forest University, Wake Forest Innovation Quarter, 455 Vine St., Winston-Salem, NC, 27101, USA.
- Comprehensive Cancer Center, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157, USA.
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11
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Ghosh S. Cisplatin: The first metal based anticancer drug. Bioorg Chem 2019; 88:102925. [PMID: 31003078 DOI: 10.1016/j.bioorg.2019.102925] [Citation(s) in RCA: 846] [Impact Index Per Article: 169.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 03/30/2019] [Accepted: 04/10/2019] [Indexed: 12/17/2022]
Abstract
Cisplatin or (SP-4-2)-diamminedichloridoplatinum(II) is one of the most potential and widely used drugs for the treatment of various solid cancers such as testicular, ovarian, head and neck, bladder, lung, cervical cancer, melanoma, lymphomas and several others. Cisplatin exerts anticancer activity via multiple mechanisms but its most acceptable mechanism involves generation of DNA lesions by interacting with purine bases on DNA followed by activation of several signal transduction pathways which finally lead to apoptosis. However, side effects and drug resistance are the two inherent challenges of cisplatin which limit its application and effectiveness. Reduction of drug accumulation inside cancer cells, inactivation of drug by reacting with glutathione and metallothioneins and faster repairing of DNA lesions are responsible for cisplatin resistance. To minimize cisplatin side effects and resistance, combination therapies are used and have proven more effective to defect cancers. This article highlights a systematic description on cisplatin which includes a brief history, synthesis, action mechanism, resistance, uses, side effects and modulation of side effects. It also briefly describes development of platinum drugs from very small cisplatin complex to very large next generation nanocarriers conjugated platinum complexes.
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Affiliation(s)
- Sumit Ghosh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India.
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12
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pH and thermo dual stimulus-responsive liposome nanoparticles for targeted delivery of platinum-acridine hybrid agent. Life Sci 2019; 217:41-48. [DOI: 10.1016/j.lfs.2018.11.052] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 11/22/2018] [Accepted: 11/23/2018] [Indexed: 01/20/2023]
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13
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Brabec V, Hrabina O, Kasparkova J. Cytotoxic platinum coordination compounds. DNA binding agents. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.04.013] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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14
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Pérez SA, de Haro C, Vicente C, Donaire A, Zamora A, Zajac J, Kostrhunova H, Brabec V, Bautista D, Ruiz J. New Acridine Thiourea Gold(I) Anticancer Agents: Targeting the Nucleus and Inhibiting Vasculogenic Mimicry. ACS Chem Biol 2017; 12:1524-1537. [PMID: 28388047 DOI: 10.1021/acschembio.7b00090] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Two new 1-acridin-9-yl-3-methylthiourea Au(I) DNA intercalators [Au(ACRTU)2]Cl (2) and [Au(ACRTU) (PPh3)]PF6 (3) have been prepared. Both complexes were highly active in the human ovarian carcinoma cisplatin-sensitive A2780 cell line, exhibiting IC50 values in the submicromolar range. Compounds 2 and 3 are also cytotoxic toward different phenotypes of breast cancer cell lines MDA-MB-231 (triple negative), SK-BR-3 (HER2+, ERα-, and ERβ-), and MCF-7 (ER+). Both complexes induce apoptosis through activation of caspase-3 in vitro. While inhibition of some proteins (thiol-containing enzymes) seems to be the main mechanism of action for cytotoxic gold complexes, 2 and 3 present a DNA-dependent mechanism of action. They locate in the cell nucleus according to confocal microscopy and transmission electronic microscopy. The binding to DNA resulted to be via intercalation as shown by spectroscopic methods and viscometry, exhibiting a dose-dependent response on topoisomerase I mediated DNA unwinding. In addition, 2 and 3 exhibit potent antiangiogenic effects and are also able to inhibit vasculogenic mimicry of highly invasive MDA-MB-231 cells.
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Affiliation(s)
- Sergio A. Pérez
- Departamento
de Química Inorgánica, Facultad de Química, Biomedical
Research Institute of Murcia (IMIB-Arrixaca-UMU), Universidad de Murcia, E-30071 Murcia, Spain
| | - Concepción de Haro
- Departamento
de Química Inorgánica, Facultad de Química, Biomedical
Research Institute of Murcia (IMIB-Arrixaca-UMU), Universidad de Murcia, E-30071 Murcia, Spain
| | - Consuelo Vicente
- Departamento
de Química Inorgánica, Facultad de Química, Biomedical
Research Institute of Murcia (IMIB-Arrixaca-UMU), Universidad de Murcia, E-30071 Murcia, Spain
| | - Antonio Donaire
- Departamento
de Química Inorgánica, Facultad de Química, Biomedical
Research Institute of Murcia (IMIB-Arrixaca-UMU), Universidad de Murcia, E-30071 Murcia, Spain
| | - Ana Zamora
- Departamento
de Química Inorgánica, Facultad de Química, Biomedical
Research Institute of Murcia (IMIB-Arrixaca-UMU), Universidad de Murcia, E-30071 Murcia, Spain
| | - Juraj Zajac
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic
- Department
of Biophysics, Faculty of Science, Palacky University, Slechtitelu
27, 783 71 Olomouc, Czech Republic
| | - Hana Kostrhunova
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic
| | - Viktor Brabec
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic
| | | | - José Ruiz
- Departamento
de Química Inorgánica, Facultad de Química, Biomedical
Research Institute of Murcia (IMIB-Arrixaca-UMU), Universidad de Murcia, E-30071 Murcia, Spain
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15
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Chen Z, Zhang S, Zhang J, Zhu Z. Enhanced anti-cancer efficacy to cancer cells by a novel monofunctional mononuclear platinum(ii) complex containing a mixed S,N,S-donor ligand. NEW J CHEM 2017. [DOI: 10.1039/c7nj01472d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A novel platinum–intercalator hybrid complex (1) exhibits a cytotoxicity comparable to that of cisplatin against MCF-7 cell lines, and more potent activities against HeLa and A-549 cell lines, especially against the former.
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Affiliation(s)
- Zhanfen Chen
- Flexible Display Mater. & Tech. Co-Innovation Center of Hubei
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education
- School of Chemistry and Environmental Engineering
- Jianghan University
- Wuhan 430056
| | - Shuping Zhang
- College of Chemistry & Chemical Engineering
- Hubei Normal University
- Huangshi 435002
- P. R. China
| | - Jian Zhang
- College of Chemistry & Chemical Engineering
- Hubei Normal University
- Huangshi 435002
- P. R. China
| | - Zhenzhu Zhu
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210017
- P. R. China
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16
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Deo KM, Pages BJ, Ang DL, Gordon CP, Aldrich-Wright JR. Transition Metal Intercalators as Anticancer Agents-Recent Advances. Int J Mol Sci 2016; 17:ijms17111818. [PMID: 27809241 PMCID: PMC5133819 DOI: 10.3390/ijms17111818] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 10/11/2016] [Accepted: 10/23/2016] [Indexed: 12/20/2022] Open
Abstract
The diverse anticancer utility of cisplatin has stimulated significant interest in the development of additional platinum-based therapies, resulting in several analogues receiving clinical approval worldwide. However, due to structural and mechanistic similarities, the effectiveness of platinum-based therapies is countered by severe side-effects, narrow spectrum of activity and the development of resistance. Nonetheless, metal complexes offer unique characteristics and exceptional versatility, with the ability to alter their pharmacology through facile modifications of geometry and coordination number. This has prompted the search for metal-based complexes with distinctly different structural motifs and non-covalent modes of binding with a primary aim of circumventing current clinical limitations. This review discusses recent advances in platinum and other transition metal-based complexes with mechanisms of action involving intercalation. This mode of DNA binding is distinct from cisplatin and its derivatives. The metals focused on in this review include Pt, Ru and Cu along with examples of Au, Ni, Zn and Fe complexes; these complexes are capable of DNA intercalation and are highly biologically active.
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Affiliation(s)
- Krishant M Deo
- Nanoscale Organisation and Dynamics Group, Western Sydney University, Campbelltown, NSW 2560, Australia.
- School of Science and Health, Western Sydney University, Campbelltown, NSW 2560, Australia.
| | - Benjamin J Pages
- Nanoscale Organisation and Dynamics Group, Western Sydney University, Campbelltown, NSW 2560, Australia.
- School of Science and Health, Western Sydney University, Campbelltown, NSW 2560, Australia.
| | - Dale L Ang
- Nanoscale Organisation and Dynamics Group, Western Sydney University, Campbelltown, NSW 2560, Australia.
- School of Science and Health, Western Sydney University, Campbelltown, NSW 2560, Australia.
| | - Christopher P Gordon
- School of Science and Health, Western Sydney University, Campbelltown, NSW 2560, Australia.
| | - Janice R Aldrich-Wright
- Nanoscale Organisation and Dynamics Group, Western Sydney University, Campbelltown, NSW 2560, Australia.
- School of Science and Health, Western Sydney University, Campbelltown, NSW 2560, Australia.
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17
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Platinum-based drugs: past, present and future. Cancer Chemother Pharmacol 2016; 77:1103-24. [PMID: 26886018 DOI: 10.1007/s00280-016-2976-z] [Citation(s) in RCA: 515] [Impact Index Per Article: 64.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 01/20/2016] [Indexed: 12/22/2022]
Abstract
Platinum-based drugs cisplatin, carboplatin and oxaliplatin are widely used in the therapy of human neoplasms. Their clinical success is, however, limited due to severe side effects and intrinsic or acquired resistance to the treatment. Much effort has been put into the development of new platinum anticancer complexes, but none of them has reached worldwide clinical application so far. Nedaplatin, lobaplatin and heptaplatin received only regional approval. Some new platinum complexes and platinum drug formulations are undergoing clinical trials. Here, we review the main classes of new platinum drug candidates, such as sterically hindered complexes, monofunctional platinum drugs, complexes with biologically active ligands, trans-configured and polynuclear platinum complexes, platinum(IV) prodrugs and platinum-based drug delivery systems. For each class of compounds, a detailed overview of the mechanism of action is given, the cytotoxicity is compared to that of the clinically used platinum drugs, and the clinical perspectives are discussed. A critical analysis of lessons to be learned is presented. Finally, a general outlook regarding future directions in the field of new platinum drugs is given.
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18
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Liu F, Suryadi J, Bierbach U. Cellular Recognition and Repair of Monofunctional-Intercalative Platinum--DNA Adducts. Chem Res Toxicol 2015; 28:2170-8. [PMID: 26457537 DOI: 10.1021/acs.chemrestox.5b00327] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The cellular recognition and processing of monofunctional-intercalative DNA adducts formed by [PtCl(en)(L)](NO3)2 (P1-A1; en = ethane-1,2-diamine; L = N-[2-(acridin-9-ylamino)ethyl]-N-methylpropionamidine, acridinium cation), a cytotoxic hybrid agent with potent anticancer activity, was studied. Excision of these adducts and subsequent DNA repair synthesis were monitored in plasmids modified with platinum using incubations with mammalian cell-free extract. On the basis of the levels of [α-(32)P]-dCTP incorporation, P1-A1-DNA adducts were rapidly repaired with a rate approximately 8 times faster (t1/2 ≈ 18 min at 30 °C) than the adducts (cross-links) formed by the drug cisplatin. Cellular responses to P1-A1 and cisplatin were also studied in NCI-H460 lung cancer cells using immunocytochemistry in conjunction with confocal fluorescence microscopy. At the same dose, P1-A1, but not cisplatin, elicited a distinct requirement for DNA double-strand break repair and stalled replication fork repair, which caused nuclear fluorescent staining related to high levels of MUS81, a specialized repair endonuclease, and phosphorylated histone protein γ-H2AX. The results confirm previous observations in yeast-based chemical genomics assays. γ-H2AX fluorescence is observed as a large number of discrete foci signaling DNA double-strand breaks, pan-nuclear preapoptotic staining, and unique circularly shaped staining around the nucleoli and nuclear rim. DNA cleavage assays indicate that P1-A1 does not act as a typical topoisomerase poison, suggesting the high level of DNA double-strand breaks in cells is more likely a result of topoisomerase-independent replication fork collapse. Overall, the cellular response to platinum-acridines shares striking similarities with that reported for DNA adduct-forming derivatives of the drug doxorubicin. The results of this study are discussed in light of the cellular mechanism of action of platinum-acridines and their ability to overcome resistance to cisplatin.
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Affiliation(s)
- Fang Liu
- Department of Chemistry, Wake Forest University , Winston-Salem, North Carolina 27109, United States
| | - Jimmy Suryadi
- Department of Chemistry, Wake Forest University , Winston-Salem, North Carolina 27109, United States
| | - Ulrich Bierbach
- Department of Chemistry, Wake Forest University , Winston-Salem, North Carolina 27109, United States
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19
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Pickard AJ, Liu F, Bartenstein TF, Haines LG, Levine KE, Kucera GL, Bierbach U. Redesigning the DNA-targeted chromophore in platinum-acridine anticancer agents: a structure-activity relationship study. Chemistry 2014; 20:16174-87. [PMID: 25302716 PMCID: PMC4244275 DOI: 10.1002/chem.201404845] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Indexed: 01/07/2023]
Abstract
Platinum-acridine hybrid agents show low-nanomolar potency in chemoresistant non-small cell lung cancer (NSCLC), but high systemic toxicity in vivo. To reduce the promiscuous genotoxicity of these agents and improve their pharmacological properties, a modular build-click-screen approach was used to evaluate a small library of twenty hybrid agents containing truncated and extended chromophores of varying basicities. Selected derivatives were resynthesized and tested in five NSCLC cell lines representing large cell, squamous cell, and adenocarcinomas. 7-Aminobenz[c]acridine was identified as a promising scaffold in a hybrid agent (P1-B1) that maintained submicromolar activity in several of the DNA-repair proficient and p53-mutant cancer models, while showing improved tolerability in mice by 32-fold compared to the parent platinum-acridine (P1-A1). The distribution and DNA/RNA adduct levels produced by the acridine- and benz[c]acridine-based analogues in NCI-H460 cells (confocal microscopy, ICP-MS), and their ability to bind G-quadruplex forming DNA sequences (CD spectroscopy, HR-ESMS) were studied. P1-B1 emerges as a less genotoxic, more tolerable, and potentially more target-selective hybrid agent than P1-A1.
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Affiliation(s)
- Amanda J. Pickard
- Department of Chemistry, Wake Forest University Winston-Salem, NC 27109 (USA)
| | - Fang Liu
- Department of Chemistry, Wake Forest University Winston-Salem, NC 27109 (USA)
| | | | | | | | - Gregory L. Kucera
- Department of Internal Medicine, Section on Hematology and Oncology Wake Forest University Health Sciences Winston-Salem, NC 27157 (USA)
| | - Ulrich Bierbach
- Department of Chemistry, Wake Forest University Winston-Salem, NC 27109 (USA)
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20
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Li YL, Qin QP, Liu YC, Chen ZF, Liang H. A platinum(II) complex of liriodenine from traditional Chinese medicine (TCM): Cell cycle arrest, cell apoptosis induction and telomerase inhibition activity via G-quadruplex DNA stabilization. J Inorg Biochem 2014; 137:12-21. [DOI: 10.1016/j.jinorgbio.2014.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 04/01/2014] [Accepted: 04/02/2014] [Indexed: 01/02/2023]
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21
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Rational approaches, design strategies, structure activity relationship and mechanistic insights for anticancer hybrids. Eur J Med Chem 2014; 77:422-87. [PMID: 24685980 DOI: 10.1016/j.ejmech.2014.03.018] [Citation(s) in RCA: 306] [Impact Index Per Article: 30.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2013] [Revised: 03/02/2014] [Accepted: 03/06/2014] [Indexed: 12/16/2022]
Abstract
A Hybrid drug which comprises the incorporation of two drug pharmacophores in one single molecule are basically designed to interact with multiple targets or to amplify its effect through action on another bio target as one single molecule or to counterbalance the known side effects associated with the other hybrid part(.) The present review article offers a detailed account of the design strategies employed for the synthesis of anticancer agents via molecular hybridization techniques. Over the years, the researchers have employed this technique to discover some promising chemical architectures displaying significant anticancer profiles. Molecular hybridization as a tool has been particularly utilized for targeting tubulin protein as exemplified through the number of research papers. The microtubule inhibitors such as taxol, colchicine, chalcones, combretasatin, phenstatins and vinca alkaloids have been utilized as one of the functionality of the hybrids and promising results have been obtained in most of the cases with some of the tubulin based hybrids exhibiting anticancer activity at nanomolar level. Linkage with steroids as biological carrier vector for anticancer drugs and the inclusion of pyrrolo [2,1-c] [1,4]benzodiazepines (PBDs), a family of DNA interactive antitumor antibiotics derived from Streptomyces species in hybrid structure based drug design has also emerged as a potential strategy. Various heteroaryl based hybrids in particular isatin and coumarins have also been designed and reported to posses' remarkable inhibitory potential. Apart from presenting the design strategies, the article also highlights the structure activity relationship along with mechanistic insights revealed during the biological evaluation of the hybrids.
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22
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Wilson JJ, Lippard SJ. Synthetic methods for the preparation of platinum anticancer complexes. Chem Rev 2013; 114:4470-95. [PMID: 24283498 DOI: 10.1021/cr4004314] [Citation(s) in RCA: 487] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Justin J Wilson
- Department of Chemistry, Massachusetts Institute of Technology , Cambridge, Massachusetts 02139, United States
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23
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Ding S, Qiao X, Kucera GL, Bierbach U. Design of a platinum-acridine-endoxifen conjugate targeted at hormone-dependent breast cancer. Chem Commun (Camb) 2013; 49:2415-7. [PMID: 23416453 DOI: 10.1039/c3cc38957j] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The synthesis of a novel pharmacophore comprising a DNA-targeted platinum-acridine hybrid agent and estrogen receptor-targeted 4-hydroxy-N-desmethyltamoxifen (endoxifen) using carbamate coupling chemistry and its evaluation in breast cancer cell lines are described.
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Affiliation(s)
- Song Ding
- Department of Chemistry, Wake Forest University, Winston-Salem, North Carolina 27109, USA
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24
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Ding S, Qiao X, Suryadi J, Marrs GS, Kucera GL, Bierbach U. Using Fluorescent Post-Labeling To Probe the Subcellular Localization of DNA-Targeted Platinum Anticancer Agents. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201210079] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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25
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Ding S, Qiao X, Suryadi J, Marrs GS, Kucera GL, Bierbach U. Using fluorescent post-labeling to probe the subcellular localization of DNA-targeted platinum anticancer agents. Angew Chem Int Ed Engl 2013; 52:3350-4. [PMID: 23427109 DOI: 10.1002/anie.201210079] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Indexed: 01/10/2023]
Affiliation(s)
- Song Ding
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Xin Qiao
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Jimmy Suryadi
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Glen S Marrs
- Department of Biology, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Gregory L Kucera
- Department of Internal Medicine, Section on Hematology and Oncology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA
| | - Ulrich Bierbach
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA
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26
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Barry NPE, Sadler PJ. Exploration of the medical periodic table: towards new targets. Chem Commun (Camb) 2013; 49:5106-31. [DOI: 10.1039/c3cc41143e] [Citation(s) in RCA: 570] [Impact Index Per Article: 51.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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27
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Dutta S, Snyder MJ, Rosile D, Binz KL, Roll EH, Suryadi J, Bierbach U, Guthold M. PT-ACRAMTU, a platinum-acridine anticancer agent, lengthens and aggregates, but does not stiffen or soften DNA. Cell Biochem Biophys 2013; 67:1103-13. [PMID: 23636685 PMCID: PMC3767762 DOI: 10.1007/s12013-013-9614-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
We used atomic force microscopy (AFM) to study the dose-dependent change in conformational and mechanical properties of DNA treated with PT-ACRAMTU ([PtCl(en)(ACRAMTU-S)](NO3)2, (en = ethane-1,2-diamine, ACRAMTU = 1-[2-(acridin-9-ylamino)ethyl]-1,3-dimethylthiourea. PT-ACRAMTU is the parent drug of a family of non-classical platinum-based agents that show potent activity in non-small cell lung cancer in vitro and in vivo. Its acridine moiety intercalates between DNA bases, while the platinum group forms mono-adducts with DNA bases. AFM images show that PT-ACRAMTU causes some DNA looping and aggregation at drug-to-base pair ratio (r b) of 0.1 and higher. Very significant lengthening of the DNA was observed with increasing doses of PT-ACRAMTU, and reached saturation at an r b of 0.15. At r b of 0.1, lengthening was 0.6 nm per drug molecule, which is more than one fully stretched base pair stack can accommodate, indicating that ACRAMTU also disturbs the stacking of neighboring base pair stacks. Analysis of the AFM images based on the worm-like chain (WLC) model showed that PT-ACRAMTU did not change the flexibility of (non-aggregated) DNA, despite the extreme lengthening. The persistence length of untreated DNA and DNA treated with PT-ACRAMTU was in the range of 49-65 nm. Potential consequences of the perturbations caused by this agent for the recognition and processing of the DNA adducts it forms are discussed.
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Affiliation(s)
- Samrat Dutta
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109
| | - Matthew J. Snyder
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109
| | - David Rosile
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109
| | - Kristen L. Binz
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109
| | - Eric H. Roll
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109
| | - Jimmy Suryadi
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109
| | - Ulrich Bierbach
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109
| | - Martin Guthold
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109
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28
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DNA Metalating-Intercalating Hybrid Agents for the Treatment of Chemoresistant Cancers. Chemistry 2012; 18:12926-34. [DOI: 10.1002/chem.201202050] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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29
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Graham LA, Suryadi J, West TK, Kucera GL, Bierbach U. Synthesis, aqueous reactivity, and biological evaluation of carboxylic acid ester-functionalized platinum-acridine hybrid anticancer agents. J Med Chem 2012; 55:7817-27. [PMID: 22871158 DOI: 10.1021/jm300879k] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The synthesis of platinum-acridine hybrid agents containing carboxylic acid ester groups is described. The most active derivatives and the unmodified parent compounds showed up to 6-fold higher activity in ovarian cancer (OVCAR-3) and breast cancer (MCF-7, MDA-MB-231) cell lines than cisplatin. Inhibition of cell proliferation at nanomolar concentrations was observed in pancreatic (PANC-1) and nonsmall cell lung cancer cells (NSCLC, NCI-H460) of 80- and 150-fold, respectively. Introduction of the ester groups did not affect the cytotoxic properties of the hybrids, which form the same monofunctional-intercalative DNA adducts as the parent compounds, as demonstrated in a plasmid unwinding assay. In-line high-performance liquid chromatography and electrospray mass spectrometry (LC-ESMS) shows that the ester moieties undergo platinum-mediated hydrolysis in a chloride concentration-dependent manner to form carboxylate chelates. Potential applications of the chloride-sensitive ester hydrolysis as a self-immolative release mechanism for tumor-selective delivery of platinum-acridines are discussed.
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Affiliation(s)
- Leigh A Graham
- Department of Chemistry, Wake Forest University, Winston-Salem, North Carolina 27109, USA
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30
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Qiao X, Zeitany AE, Wright MW, Essader AS, Levine KE, Kucera GL, Bierbach U. Analysis of the DNA damage produced by a platinum-acridine antitumor agent and its effects in NCI-H460 lung cancer cells. Metallomics 2012; 4:645-52. [PMID: 22456976 DOI: 10.1039/c2mt20031g] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
High-performance liquid chromatography in conjunction with electrospray mass spectrometry (LC-ESMS) was used to structurally characterize the adducts formed by the platinum-acridine agent [PtCl(en)(N-(2-(acridin-9-ylamino)ethyl)-N-methylpropionimidamide)](NO(3))(2) (compound 1) in cell-free DNA. Compound 1 forms monofunctional adducts exclusively with guanine, based on the fragments identified in enzymatic digests (dG*, dGMP*, dApG*, and dTpG*, where the asterisk denotes bound drug). The time course of accumulation and DNA adduct formation of compound 1 and the clinical drug cisplatin in NCI-H460 lung cancer cells at physiologically relevant drug concentrations (0.1 μM) was studied by inductively-coupled plasma mass spectrometry (ICP-MS). Compound 1 accumulates rapidly in cells and reaches intracellular levels of up to 60-fold higher than those determined for cisplatin. The hybrid agent shows unusually high DNA binding levels: while cisplatin adducts form at a maximum frequency of 5 adducts per 10(6) nucleotides, compound 1 produces 25 adducts per 10(6) nucleotides after only 3 h of continuous incubation with the lung cancer cells. The high overall levels of compound 1 in the cells and in cellular DNA over the entire 12-h treatment period translate into a rapid decrease in cell viability. Possible implications of these findings for the mechanism of action of compound 1 and the agent's potential to overcome tumor resistance to cisplatin are discussed.
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Affiliation(s)
- Xin Qiao
- Department of Chemistry, Wake Forest University, Winston-Salem, North Carolina 27109, USA
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