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Queiroz GCDAD, Dias FCR, Torres SMD, Pereira MDF, Morais DB, Silva WED, Silva Junior VAD. Bioconjugate based on cisplatin and bacterial exopolysaccharide with reduced side effects: A novel proposal for cancer treatment. J Trace Elem Med Biol 2024; 83:127374. [PMID: 38266419 DOI: 10.1016/j.jtemb.2023.127374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND In the search for alternatives that attenuate the toxicity associated to oncologic treatment with cisplatin (CDDP) and considering the potential health-beneficial properties of exopolysaccharides (EPS) produced by lactic acid bacteria, it was aimed on this study to evaluate the cytotoxic, toxicologic and antitumoral efficacy of a bioconjugate based on CDDP and EPS, on the experimental tumor of sarcoma 180. METHODS After the synthesis of the cis-[Pt(NH3)2(Cl)2] complex and of the conjugate containing Lactobacillus fermentum exopolysaccharide was tested both in vitro and in vivo for evaluating the acute toxicity. RESULTS The antitumoral study was performed using mice transplanted with sarcoma 180. The bioconjugate showed low to medium cytotoxicity for the cell lines tested, as well moderated acute toxicity. After determining the LD50, the following experimental groups were established for the antitumor assay: Control (NaCl 0,9%), CDDP (1 mg/kg), EPS and bioconjugate composition (200 mg/kg). The bioconjugate promoted a 38% regression in tumor mass when compared to the control, and a regression of 41% when compared to CDDP. Liver histopathological analysis revealed discrete alterations in animals treated with (CDDP + EPS) when compared to control. The bioconjugate also minimized changes in the renal parenchyma resulting from the tumor. CONCLUSION Our results indicate that when CDDP is associated with EPS, this composition was more biocompatible, showing itself as a potent chemotherapeutic agent and lower tissue toxicity.
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Affiliation(s)
- Gian Carlo D Angelo de Queiroz
- Programa de Pós-Graduação em Desenvolvimento e Inovação Tecnológica em Medicamentos, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil
| | - Fernanda Carolina Ribeiro Dias
- Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil; Department of Structural Biology, Federal University of Triangulo Mineiro, UFTM, Uberaba, MG, Brazil.
| | - Sandra Maria de Torres
- Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil
| | | | - Danielle Barbosa Morais
- Departamento de Morfologia, Universidade Federal do Rio Grande do Norte, UFRN, Natal, RN, Brazil
| | - Wagner Eduardo da Silva
- Departamento de Química, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil
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Wang Q, Li H, Wu T, Yu B, Cong H, Shen Y. Nanodrugs based on co-delivery strategies to combat cisplatin resistance. J Control Release 2024; 370:14-42. [PMID: 38615892 DOI: 10.1016/j.jconrel.2024.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/24/2024] [Accepted: 04/09/2024] [Indexed: 04/16/2024]
Abstract
Cisplatin (CDDP), as a broad-spectrum anticancer drug, is able to bind to DNA and inhibit cell division. Despite the widespread use of cisplatin since its discovery, cisplatin resistance developed during prolonged chemotherapy, similar to other small molecule chemotherapeutic agents, severely limits its clinical application. Cisplatin resistance in cancer cells is mainly caused by three reasons: DNA repair, decreased cisplatin uptake/increased efflux, and cisplatin inactivation. In earlier combination therapies, the emergence of multidrug resistance (MDR) in cancer cells prevented the achievement of the desired therapeutic effect even with the accurate combination of two chemotherapeutic drugs. Therefore, combination therapy using nanocarriers for co-delivery of drugs is considered to be ideal for alleviating cisplatin resistance and reducing cisplatin-related toxicity in cancer cells. This article provides an overview of the design of cisplatin nano-drugs used to combat cancer cell resistance, elucidates the mechanisms of action of cisplatin and the pathways through which cancer cells develop resistance, and finally discusses the design of drugs and related carriers that can synergistically reduce cancer resistance when combined with cisplatin.
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Affiliation(s)
- Qiubo Wang
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Hui Li
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Taixia Wu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China
| | - Bing Yu
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
| | - Hailin Cong
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China; School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China.
| | - Youqing Shen
- College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao 266071, China; Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Center for Bio-nanoengineering, and Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China
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Wang Y, Li N, Chu L, Hao Z, Chen J, Huang J, Yan J, Bian H, Duan P, Liu J, Fang Y. Dual Enhancement of Phosphorescence and Circularly Polarized Luminescence through Entropically Driven Self-Assembly of a Platinum(II) Complex. Angew Chem Int Ed Engl 2024:e202403898. [PMID: 38497553 DOI: 10.1002/anie.202403898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 03/13/2024] [Accepted: 03/18/2024] [Indexed: 03/19/2024]
Abstract
Addressing the dual enhancement of circular polarization (glum) and luminescence quantum yield (QY) in circularly polarized luminescence (CPL) systems poses a significant challenge. In this study, we present an innovative strategy utilizing the entropically driven self-assembly of amphiphilic phosphorescent platinum(II) complexes (L-Pt) with tetraethylene glycol chains, resulting in unique temperature dependencies. The entropically driven self-assembly of L-Pt leads to a synergistic improvement in phosphorescence emission efficiency (QY was amplified from 15 % at 25 °C to 53 % at 60 °C) and chirality, both in the ground state and the excited state (glum value has been magnified from 0.04×10-2 to 0.06) with increasing temperature. Notably, we observed reversible modulation of phosphorescence and chirality observed over at least 10 cycles through successive heating and cooling, highlighting the intelligent control of luminescence and chiroptical properties by regulating intermolecular interactions among neighboring L-Pt molecules. Importantly, the QY and glum of the L-Pt assembly in solid state were measured as 69 % and 0.16 respectively, representing relatively high values compared to most self-assembled CPL systems. This study marks the pioneering demonstration of dual thermo-enhancement of phosphorescence and CPL and provides valuable insights into the thermal effects on high-temperature and switchable CPL materials.
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Affiliation(s)
- Yanqing Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Na Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Liangwen Chu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Zelin Hao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Junyu Chen
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST) No.11, ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
| | - Jiang Huang
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST) No.11, ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
| | - Junlin Yan
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Hongtao Bian
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Pengfei Duan
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology (NCNST) No.11, ZhongGuanCun BeiYiTiao, Beijing, 100190, P. R. China
| | - Jing Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, P. R. China
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Bhosale SS, Mandal A, Hou C, McCorkle JR, Schweer D, Hill KS, Subramanian V, Kolesar JM, Tsodikov OV, Rohr J. Mithplatins: Mithramycin SA-Pt(II) Complex Conjugates for the Treatment of Platinum-Resistant Ovarian Cancers. ChemMedChem 2023; 18:e202200368. [PMID: 36342449 PMCID: PMC9899322 DOI: 10.1002/cmdc.202200368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 11/04/2022] [Indexed: 11/09/2022]
Abstract
DNA coordinating platinum (Pt) containing compounds cisplatin and carboplatin have been used for the treatment of ovarian cancer therapy for four decades. However, recurrent Pt-resistant cancers are a major cause of mortality. To combat Pt-resistant ovarian cancers, we designed and synthesized a conjugate of an anticancer drug mithramycin with a reactive Pt(II) bearing moiety, which we termed mithplatin. The conjugates displayed both the Mg2+ -dependent noncovalent DNA binding characteristic of mithramycin and the covalent crosslinking to DNA of the Pt. The conjugate was three times as potent as cisplatin against ovarian cancer cells. The DNA lesions caused by the conjugate led to the generation of DNA double-strand breaks, as also observed with cisplatin. Nevertheless, the conjugate was highly active against both Pt-sensitive and Pt-resistant ovarian cancer cells. This study paves the way to developing mithplatins to combat Pt-resistant ovarian cancers.
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Affiliation(s)
- Suhas S Bhosale
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 S. Limestone Street, Lexington, KY, 40536, USA
| | - Abhisek Mandal
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 S. Limestone Street, Lexington, KY, 40536, USA
| | - Caixia Hou
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 S. Limestone Street, Lexington, KY, 40536, USA
| | - J Robert McCorkle
- Markey Cancer Center, University of Kentucky, 760 S. Rose Street, Lexington, KY, 40536, USA
| | - David Schweer
- Division of Gynecologic Oncology, College of Medicine, 760 S. Rose Street, Lexington, KY, 40536, USA
| | - Kristen S Hill
- Markey Cancer Center, University of Kentucky, 760 S. Rose Street, Lexington, KY, 40536, USA
| | - Vivekanandan Subramanian
- University of Kentucky PharmNMR Center, College of Pharmacy, University of Kentucky, Lexington, KY, 40536-0596, USA
| | - Jill M Kolesar
- Markey Cancer Center, University of Kentucky, 760 S. Rose Street, Lexington, KY, 40536, USA
- Division of Gynecologic Oncology, College of Medicine, 760 S. Rose Street, Lexington, KY, 40536, USA
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Kentucky, 760 Press Avenue, Lexington, KY, 40536, USA
| | - Oleg V Tsodikov
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 S. Limestone Street, Lexington, KY, 40536, USA
| | - Jürgen Rohr
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, 789 S. Limestone Street, Lexington, KY, 40536, USA
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Supruniuk K, Czarnomysy R, Muszyńska A, Radziejewska I. Anti-cancer effects of pyrazole-platinum(II) complexes combined with anti-MUC1 monoclonal antibody versus monotherapy in DLD-1 and HT-29 colon cancer cells. Transl Oncol 2022; 18:101348. [PMID: 35121220 PMCID: PMC8818584 DOI: 10.1016/j.tranon.2022.101348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 10/26/2022] Open
Abstract
The membrane-bound MUC1 mucin is overexpressed and aberrantly glycosylated in many epithelium origin cancers. One of the promising strategies in cancer therapy is combining monoclonal antibodies against cancer related antigens, like MUC1, with chemotherapeutics. In the study we evaluated the potency of cisplatin (cisPt), two pyrazole-platinum(II) complexes PtPz4, PtPz6, and anti-MUC1 mAb applied as monotherapy, as well as the chemotherapeutics administrated with antibody, towards apoptotic response and cancer-related carbohydrate antigens (TACAs) in DLD-1 and HT-29 colon cancer cells. To assess the impact of the tested compounds on the examined factors flow cytometry, RT-PCR, Western blotting and ELISA were utilized. The combined therapy was more potent than monotherapy towards Bcl-2, Bid, caspases and TACAs of both cell lines. Combined therapy applied in DLD-1 cells induced apoptosis, was more effective than monotherapy in relation to p53, Bcl-xL, Bax, and Bim. In HT-29 cells, anti-MUC1 administrated with the drugs was more potent than monotherapy towards Bad. The proposed anti-MUC1/cisPt and pyrazole-platinum(II) complexes PtPz4, PtPz6 combined therapy may be promising anti-colon cancer therapy.
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Affiliation(s)
- Katarzyna Supruniuk
- Department of Medical Chemistry, Medical University of Białystok, ul. Mickiewicza 2a, Białystok 15- 222, Poland
| | - Robert Czarnomysy
- Department of Biotechnology, Medical University of Białystok, ul. Kilińskiego 1, Białystok 15-089, Poland
| | - Anna Muszyńska
- Department of Biotechnology, Medical University of Białystok, ul. Kilińskiego 1, Białystok 15-089, Poland
| | - Iwona Radziejewska
- Department of Medical Chemistry, Medical University of Białystok, ul. Mickiewicza 2a, Białystok 15- 222, Poland.
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Bai X, Ali A, Wang N, Liu Z, Lv Z, Zhang Z, Zhao X, Hao H, Zhang Y, Rahman FU. Inhibition of SREBP-mediated lipid biosynthesis and activation of multiple anticancer mechanisms by platinum complexes: Ascribe possibilities of new antitumor strategies. Eur J Med Chem 2022; 227:113920. [PMID: 34742012 DOI: 10.1016/j.ejmech.2021.113920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/04/2021] [Accepted: 10/11/2021] [Indexed: 12/31/2022]
Abstract
Cancer is one of the most aggressive diseases with poor prognosis and survival rates. Lipids biogenesis play key role in cancer progression, metastasis and tumor development. Suppression of SREBP-mediated lipid biogenesis pathway has been linked with cancer inhibition. Platinum complexes bearing good anticancer effect and multiple genes activation properties are considered important and increase the chances for development of new platinum-based drugs. In this study, we synthesized pyridine co-ligand functionalized cationic complexes and characterized them using multiple spectroscopic and spectrophotometric methods. Two of these complexes were studied in solid state by single crystal X-ray analysis. The stability of these complexes were measured in solution state using 1H NMR methods. These complexes were further investigated for their anticancer activity against human breast, lung and liver cancer cells. MTT assay showed potential cytotoxic activity in dose-dependent manner and decrease survival rates of cancer cells was observed upon treatment with these complexes. Biological assays results revealed higher cytotoxicity as compared to cisplatin and oxaliplatin. Further we studied C2, C6 and C8 in detailed mechanistic anticancer analyses. Clonogenic assay showed decrease survival of MCF-7, HepG2 and A549 cancer cells treated with C2, C6 and C8 as compared to control cells treated with DMSO. TUNEL assay showed more cell death, these complexes suppressed invasion and migration ability of cancer cells and decreased tumor spheroids formation, thus suggesting a potential role in inhibition of cancer metastasis and cancer stem cells formation. Mechanistically, these complexes inhibited sterol regulatory element-binding protein 1 (SREBP-1) expression in cancer cells in dose-dependent manner and thereby reduced lipid biogenesis to suppress cancer progression. Furthermore, expression level was decreased for the key genes LDLR, FASN and HMGCR, those required for sterol biosynthesis. Taken together, these complexes suppressed cancer cell growth, migration, invasion and spheroids formation by inhibiting SREBP-1 mediated lipid biogenesis pathway.
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Affiliation(s)
- Xue Bai
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Amjad Ali
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar, KPK, Pakistan; Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, People's Republic of China
| | - Na Wang
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Zongwei Liu
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Zhimin Lv
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Zeqing Zhang
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Xing Zhao
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Huifang Hao
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China; School of Life Sciences, Inner Mongolia University, Hohhot, 010021, People's Republic of China
| | - Yongmin Zhang
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China; Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 Place Jussieu, 75005, Paris, France.
| | - Faiz-Ur Rahman
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, People's Republic of China.
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Sharma R, Singh VJ, Chawla PA. Advancements in the Use of Platinum Complexes as Anticancer Agents. Anticancer Agents Med Chem 2021; 22:821-835. [PMID: 34353272 DOI: 10.2174/1871520621666210805150705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 05/06/2021] [Accepted: 05/30/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The platinum (II) complexes as anticancer agents have been well explored for the development of novel analogs. Yet, none of them achieved clinical importance in oncology. At present, anticancer compounds containing platinum (II) complexes have been employed in the treatment of colorectal, lung, and genitourinary tumors. Among the platinum-based anticancer drugs, Cisplatin (cis-diamine dichloroplatinum (II), cis-[Pt(NH3)2Cl2]) is one of the most potent components of cancer chemotherapy. The nephrotoxicity, neurotoxicity and ototoxicity, and platinum compounds associated resistant cancer are some major disadvantages. OBJECTIVE With the rapidly growing interest in platinum (II) complexes in tumor chemotherapy, researchers have synthesized many new platinum analogs as anticancer agents that show better cytotoxicity, and less off-target effects with less cellular resistance. This follows the introduction of oxaliplatin, water-soluble carboplatin, multinuclear platinum and newly synthesized complexes, etc. Method: This review emphasizes recent advancements in drug design and development, the mechanism of platinum (II) complexes, their stereochemistry, current updates, and biomedical applications of platinum-based anticancer agents. CONCLUSION In the last few decades, the popularity of platinum complexes as potent anti-cancer agents has risen as scientists have synthesized many new platinum complexes that exhibit better cytotoxicity coupled with less off-target effects.
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Affiliation(s)
- Rajiv Sharma
- Department of Pharmaceutical Chemistry School of Pharmaceutical Sciences, CT University, Ludhiana. India
| | - Vikram Jeet Singh
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, G.T. Road, Moga-142 001, Punjab. India
| | - Pooja A Chawla
- Department of Pharmaceutical Chemistry and Analysis, ISF College of Pharmacy, Moga-142001, Punjab. India
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Bai X, Ali A, Lv Z, Wang N, Zhao X, Hao H, Zhang Y, Rahman FU. Platinum complexes inhibit HER-2 enriched and triple-negative breast cancer cells metabolism to suppress growth, stemness and migration by targeting PKM/LDHA and CCND1/BCL2/ATG3 signaling pathways. Eur J Med Chem 2021; 224:113689. [PMID: 34293698 DOI: 10.1016/j.ejmech.2021.113689] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/31/2021] [Accepted: 07/04/2021] [Indexed: 12/17/2022]
Abstract
Triple-negative-breast cancer (TNBC) and HER-2 enriched positive aggressive types of breast cancer and are highly metastatic in nature. Anticancer agents those target TNBC and HER-2 enriched positive breast cancers are considered important in the field of breast cancer research. In search of the effective anticancer agents, we synthesized Pt(II) complexes to target these cancers. Platinum complexes (C1-C8) were prepared in single step by the reaction of commercially available K2PtCl4 with the readily prepared ligands (L1-L8). All these compounds were characterized successfully by different spectroscopic and spectrophotometric analyses. Structures of C1, C3 and C8 were characterized by single crystal X-ray analysis that confirmed the exact chelation mode of the SNO-triply coordinated ligand. All these complexes inhibited the in vitro growth of MCF-7 (luminal-like), MDA-MB-231 (TNBC) and SKBR3 (HER-2 enriched) breast cancer cells. C1, C3 and C7 induced cell death and suppressed the clonogenic potential of these cancer cells. Importantly, C1, C3 and C7 showed potentials to suppress cancer stem cells/mammosphere formation and cell migration ability of MDA-MB-231 and SKBR3 breast cancer cells. These complexes also induced cellular senescence in MDA-MB-231 and SKBR3 cells, thus suggesting a cell retardation mechanism. Similarly, these complexes induced DNA damage by activating p-H2AX expression and promoted autophagy via ATG3/LC3B axis activation in MDA-MB-231 and SKBR3 cells. Furthermore, these complexes decreased the expression of oncogenic proteins such as BCL2 and cylin-D1 those are involved in cancer cell survival and cell cycle progression. To further gain insight, we found that C1 and C7 targeted glycolytic pathways by regulating PKM and LDHA expression, which are involved in glycolysis. Moreover, C1 and C7 suppressed the formation of ATP production that is required for cancer cell growth. Taken together, the easy synthesis and biological assays results point towards the importance of these complexes in MDA-MB-231 (TNBC) and SKBR3 (HER-2 enriched) breast cancer cells by targeting multiple signaling pathways those are considered important during breast cancer progression. This study produces bases for further deeper in vitro or in vivo study that could lead to the effective breast cancer agents which we are working on.
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Affiliation(s)
- Xue Bai
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China
| | - Amjad Ali
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar, KPK, Pakistan; Institute of Biomedical Sciences, School of Life Sciences, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China
| | - Zhimin Lv
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China
| | - Na Wang
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China
| | - Xing Zhao
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China
| | - Huifang Hao
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China; School of Life Sciences, Inner Mongolia University, Hohhot, 010021, PR China
| | - Yongmin Zhang
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China; Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, UMR 8232, 4 Place Jussieu, 75005, Paris, France.
| | - Faiz-Ur Rahman
- Inner Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, School of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, 010021, PR China.
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Backman-Blanco G, Valdés H, Ramírez-Apan MT, Cano-Sanchez P, Hernandez-Ortega S, Orjuela AL, Alí-Torres J, Flores-Gaspar A, Reyes-Martínez R, Morales-Morales D. Synthesis of Pt(II) complexes of the type [Pt(1,10-phenanthroline)(SArF n) 2] (SArF n = SC 6H 3-3,4-F 2; SC 6F 4-4-H; SC 6F 5). Preliminary evaluation of their in vitro anticancer activity. J Inorg Biochem 2020; 211:111206. [PMID: 32801098 DOI: 10.1016/j.jinorgbio.2020.111206] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 07/22/2020] [Accepted: 07/22/2020] [Indexed: 12/29/2022]
Abstract
A series of Pt(II) complexes of the type [Pt(1,10-phenanthroline)(SArFn)2] (SArFn = SC6H3-3,4-F2(1); SC6F4-4-H (2); SC6F5(3)) were synthesized from [Pt(1,10-phenanthroline)(Cl)2] and [Pb(SArFn)2] via metathesis reactions. The complexes were fully characterized including the unambiguous determination of their molecular structures by single-crystal X-ray diffraction techniques, showing the metal centers to be into a slightly distorted square-planar environments. The in vitro cytotoxic activity of the complexes was evaluated on six cancerous cell lines, i.e: glial cells of nervous central system (U-251), prostate (PC-3), leukemia (K-562), colon (HCT-15), breast (MCF-7) and lung (SKLU-1); we also included a healthy cell line of COS-7 (African green monkey kidney) for comparative purposes. We found that complex 2 was selective for PC-3. In addition, the IC50 values for the series of complexes were determined using the U-251, HCT-15 and SKLU-1 cancerous cell lines, as well as in the healthy cell line (COS-7), where complex 1 exhibited the best activity, with IC50 values going from 4.56 to 4.78 μM. These studies where further complemented with DNA docking theoretical calculations and DNA affinity experiments.
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Affiliation(s)
- Geraldine Backman-Blanco
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, C.P. 04510, Mexico
| | - Hugo Valdés
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, C.P. 04510, Mexico
| | - María Teresa Ramírez-Apan
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, C.P. 04510, Mexico
| | - Patricia Cano-Sanchez
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, C.P. 04510, Mexico
| | - Simón Hernandez-Ortega
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, C.P. 04510, Mexico
| | - Adrian L Orjuela
- Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá, 111321, Colombia
| | - Jorge Alí-Torres
- Departamento de Química, Universidad Nacional de Colombia-Sede Bogotá, 111321, Colombia
| | - Areli Flores-Gaspar
- Departamento de Quimica, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajicá 250247, Colombia
| | | | - David Morales-Morales
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Ciudad de México, C.P. 04510, Mexico.
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He G, Xie X, Siddik ZH. Protein expression profiling identifies differential modulation of homologous recombination by platinum-based antitumor agents. Cancer Chemother Pharmacol 2020; 85:1129-40. [PMID: 32468080 DOI: 10.1007/s00280-020-04085-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 05/14/2020] [Indexed: 12/18/2022]
Abstract
PURPOSE Oxaliplatin and satraplatin demonstrate activity against cisplatin-resistant tumor cells. Although the two platinum analogs are structurally-related, oxaliplatin is more active. Therefore, studies focusing on protein expression profiling were undertaken to identify the molecular mechanism for the difference in antitumor activity. METHODS We included cisplatin as reference and DAP as a Pt(IV)-prodrug of oxaliplatin to offset Pt(IV) status of satraplatin, and utilized A2780, cisplatin-resistant 2780CP/Cl-16, U2OS, and HCT-116 tumor cells in the investigation. Protein expressions following drug exposures were examined by reverse-phase protein array and ingenuity pathway analysis. Cell cycle was assessed by flow cytometry, cytotoxicity by growth inhibition assay, and homologous recombination (HR) by a GFP reporter assay. RESULTS Clustering analysis paired oxaliplatin with DAP and, surprisingly, satraplatin with cisplatin. This correlated with differential upregulation of p53/p21 pathway, with S and G2/M arrests by cisplatin and satraplatin in contrast to G1 arrest by oxaliplatin and DAP. Moreover, Rad51 and BRCA1 were severely downregulated by oxaliplatin and DAP, but not cisplatin and satraplatin. As a result, HR was inhibited only by oxaliplatin and DAP and this also contributed to their greater drug activity over cisplatin and satraplatin. CONCLUSIONS Oxaliplatin and DAP robustly activate p53 and p21, which downregulate HR proteins to enhance drug activity. More significantly, since oxaliplatin induces a BRCAness state, it may have potential against BRCA-proficient cancers. Satraplatin, on the other hand, resembled cisplatin in its protein expression profile, which indicates that small changes in chemical structure can substantially alter signal transduction pathways to modulate drug activity.
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11
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Sulaeman U, Permadi RD, Ningsih DR, Diastuti H, Riapanitra A, Yin S. Data of XPS in incorporating the platinum complexes dopant on the surface of Ag 3PO 4 photocatalyst. Data Brief 2020; 28:104988. [PMID: 31890820 DOI: 10.1016/j.dib.2019.104988] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 12/05/2019] [Indexed: 11/24/2022] Open
Abstract
These data inform about the XPS profile of Ag4d, P2p, and O1s from the samples of Ag3PO4, defect-Ag3PO4, Ag3PO4/PtCl62− and defect-Ag3PO4/PtCl62− which were denoted as AP, DAP, AP/Pt, and DAP/Pt, respectively. These samples were made by co-precipitation method using the starting material of silver nitrate (AgNO3), disodium hydrogen phosphate dodecahydrate (Na2HPO4.12H2O), and hexachloroplatinic acid hexahydrate (H2PtCl6.6H2O) for platinum complexes dopant. The water solution and mixed water-ethanol solution for dissolving the AgNO3 were used for free-defect and defect samples, respectively. The Ag4d, P2p, and O1s of these samples were investigated using the XPS. The deconvolutions of O1s peak were analyzed using the software of XPSPEAK Version 4.1. The modification of Ag3PO4 by defect and platinum complexes dopant had changed the curve profile of Ag4d, P2p and O1s. Two types of oxygen of O-1 and O-2 were observed in O1s spectrum. The ratios of O-2/O-1 with the value of 0.25, 0.32, 0.49 and 0.51 were found in the sample of AP, DAP, AP/Pt, and DAP/Pt, respectively. These data are related to the research article “The surface modification of Ag3PO4 using anionic platinum complexes for enhanced visible-light photocatalytic activity” [1].
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12
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Chai K, Kuang W, Lan Z, Zhang L, Jiang Y, Han T, Niu J, Wang J, Duan X. Synthesis, characterization, DNA binding, topoisomerase I inhibition and antiproliferation activities of three new functionalized terpyridine platinum(II) complexes. J Inorg Biochem 2019; 192:17-24. [PMID: 30554070 DOI: 10.1016/j.jinorgbio.2018.12.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/27/2018] [Accepted: 12/02/2018] [Indexed: 02/04/2023]
Abstract
Three new platinum(II) complexes with pendent morpholine were synthesized, namely complex 1 ([Pt(L)Cl]CF3SO3), complex 2 ([Pt(L)(NH3)](CF3SO3)2) and complex 3 ([Pt(L)(PPh3)](CF3SO3)2), where L = 4'-[4-(4-morpholinobutyloxy)phenyl]-2,2':6',2″-terpyridine and PPh3 = triphenylphosphine. The detailed molecular structures of complex 3, L and its precursor L' (1,4'-[4-(4-bromobutyloxy)phenyl]-2,2':6',2″-terpyridine) were determined by single crystal X-ray diffraction. An evaluation of in vitro cytotoxicity for both ligand and complexes was performed by methyl thiazolyl tetrazolium (MTT) assay in three cancer cell lines and normal cells as the control, respectively. IC50 values of complexes 1-3 were lower than those exhibited for the reference drug cisplatin, and selectivity of these complexes were greater than cisplatin. Among them, complex 3 with a leaving group PPh3 was found to be the most efficacious complex against certain cell lines, especially for cisplatin-resistant A549cisR cells. These complexes were found to bind DNA, induce efficient DNA unwinding. Meanwhile, topoisomerase (Topo) I inhibitory activities by three complexes were detected, and a minimum inhibitory concentration of 15 μM of complex 3 was found totally inhibit Topo I activity.
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13
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Alvarez-Valdes A, Matesanz AI, Perles J, Fernandes C, Correia JDG, Mendes F, Quiroga AG. Novel structures of platinum complexes bearing N‑bisphosphonates and study of their biological properties. J Inorg Biochem 2018; 191:112-118. [PMID: 30496946 DOI: 10.1016/j.jinorgbio.2018.11.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/22/2018] [Accepted: 11/16/2018] [Indexed: 01/18/2023]
Abstract
Novel bisphosphonate platinum complexes: [Pt(isopropylamine)2(BP)]NO3 (BP = pamidronate and alendronate) have been synthesized and characterized. Their monomeric structure contains a bisphosphonate acting as chelate ligand through its oxygen atom donors, conferring the compound's cationic structure with a good solubility in water. The study of the compounds in solution showed high stability up to 24 h. The cytotoxicity in cancer cell lines has been assessed. We also present preliminary studies on the evaluation of the affinity towards biological targets such as DNA (both calf thymus DNA and supercoiled plasmid DNA) and hydroxyapatite where the complexes showed a low DNA interaction, but a clear affinity for hydroxyapatite comparing to their precursors.
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Affiliation(s)
| | - Ana I Matesanz
- Inorganic Chemistry Department, Universidad Autónoma de Madrid, 28049, Spain
| | - Josefina Perles
- SIdI (Servicio Interdepartamental de Investigación), Universidad Autónoma de Madrid, 28049, Spain
| | - Célia Fernandes
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - João D G Correia
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - Filipa Mendes
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal.
| | - Adoracion G Quiroga
- Inorganic Chemistry Department, Universidad Autónoma de Madrid, 28049, Spain.
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14
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de Oliveira LP, Carneiro ZA, Ribeiro CM, Lima MF, Paixão DA, Pivatto M, de Souza MVN, Teixeira LR, Lopes CD, de Albuquerque S, Pavan FR, Guerra W. Three new platinum complexes containing fluoroquinolones and DMSO: Cytotoxicity and evaluation against drug-resistant tuberculosis. J Inorg Biochem 2018; 183:77-83. [PMID: 29567518 DOI: 10.1016/j.jinorgbio.2018.03.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Revised: 03/05/2018] [Accepted: 03/14/2018] [Indexed: 11/26/2022]
Abstract
This work describes the synthesis, characterization and biological evaluation of three platinum complexes of the type [Pt(DMSO)(L)Cl]Cl, in which L represents a fluoroquinolone, namely, ciprofloxacin (cpl), ofloxacin (ofl), or sparfloxacin (spf). The new complexes were characterized by elemental analysis, high-resolution mass spectrometry (HRESIMS) and 1H, 13C and 195Pt NMR (nuclear magnetic resonance). The spectral data suggest that the fluoroquinolones act as bidentate ligands coordinated to Pt(II) through the nitrogen atoms of the piperazine ring. Microbiological assays against wild type Mycobacterium tuberculosis (ATCC 27294) showed that all complexes have been very potent, exhibiting antitubercular potency at concentrations <2 μM, although none of the complexes presented higher potency than established anti-TB drugs. As to the resistant strains, the complex with sparfloxacin, [Pt(DMSO)(spf)Cl]Cl exhibited the best potential against most Mycobacterium tuberculosis clinical isolates. The cytotoxicity of these compounds was also evaluated in three breast cell lines: MCF-10 (a healthy cell), MCF-7 (a hormone responsive cancer cell) and MDA-MB-231 (triple negative breast cancer cell). In both tumor cell lines, [Pt(DMSO)(spf)Cl]Cl was more active and more selective than cisplatin. Flow cytometry analysis revealed that [Pt(DMSO)(spf)Cl]Cl induced late apoptotic cell death in MDA-MB-231 cells.
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Affiliation(s)
- Leticia P de Oliveira
- Instituto de Química, Universidade Federal de Uberlândia, Campus Santa Mônica, Uberlândia, MG, Brazil
| | - Zumira A Carneiro
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Camila M Ribeiro
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista, Laboratório de Pesquisa em Tuberculose, Campus Araraquara, Araraquara, SP, Brazil
| | - Maurício F Lima
- Instituto de Química, Universidade Federal de Uberlândia, Campus Santa Mônica, Uberlândia, MG, Brazil
| | - Drielly A Paixão
- Instituto de Química, Universidade Federal de Uberlândia, Campus Santa Mônica, Uberlândia, MG, Brazil
| | - Marcos Pivatto
- Instituto de Química, Universidade Federal de Uberlândia, Campus Santa Mônica, Uberlândia, MG, Brazil
| | - Marcus V N de Souza
- Fundação Oswaldo Cruz, Instituto de Tecnologia em Fármacos-FarManguinhos, Manguinhos, Rio de Janeiro, RJ, Brazil
| | - Letícia R Teixeira
- Departamento de Química, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Carla D Lopes
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Sérgio de Albuquerque
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Fernando R Pavan
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista, Laboratório de Pesquisa em Tuberculose, Campus Araraquara, Araraquara, SP, Brazil
| | - Wendell Guerra
- Instituto de Química, Universidade Federal de Uberlândia, Campus Santa Mônica, Uberlândia, MG, Brazil.
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Srivastava P, Singh K, Verma M, Sivakumar S, Patra AK. Photoactive platinum(II) complexes of nonsteroidal anti-inflammatory drug naproxen: Interaction with biological targets, antioxidant activity and cytotoxicity. Eur J Med Chem 2017; 144:243-254. [PMID: 29274491 DOI: 10.1016/j.ejmech.2017.12.025] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 12/05/2017] [Accepted: 12/07/2017] [Indexed: 02/02/2023]
Abstract
The effect on the therapeutic efficacy of Pt(II) complexes on combining non-steroidal anti-inflammatory drugs (NSAIDs) is an attractive strategy to circumvent chronic inflammation mediated by cancer and metastasis. Two square-planar platinum(II) complexes: [Pt(dach)(nap)Cl] (1) and [Pt(dach)(nap)2] (2), where dach = (1R,2R)-dichloro(cyclohexane-1,2-diamine) and NSAID drug naproxen (nap), have been designed for studying their biological activity. The naproxen bound to the Pt(II) centre get released upon photoirradiation with low-power UV-A light as confirmed by the significant enhancement in emission intensities of the complexes. The compounds were evaluated for their photophysical properties, photostability, reactivity with 5'-guanosine monophophosphate (5'-GMP), interactions with CT-DNA and BSA, antioxidant activity and reactive oxygen species mediated photo-induced DNA damage properties. ESI-MS studies demonstrated the formation of bis-adduct with 5'-GMP and the formation of PtII-DNA crosslinks by gel electrophoretic mobility shift assay and ITC studies. The interaction of the complexes 1 and 2 with the CT-DNA exhibits potential binding affinity (Kb ∼ 104 M-1, Kapp∼ 105 M-1), implying intercalation to CT-DNA through planar naphthyl ring of the complexes. Both the complexes also exhibit strong binding affinity towards BSA (KBSA∼ 105 M-1). The complexes exhibit efficient DNA damage activity on irradiation at 365 nm via formation of singlet oxygen (1O2) and hydroxyl radical (•OH) under physiological conditions. Both the complexes were cytotoxic in dark and exhibit significant enhancement of cytotoxicity upon photo-exposure against HeLa and HepG2 cancer cells giving IC50 values ranging from 8 to 12 μM for 1 and 2. The cellular internalization data showed cytosolic and nuclear localization of the complexes in the HeLa cells.
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Affiliation(s)
- Payal Srivastava
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Khushbu Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Madhu Verma
- Department of Chemical Engineering and Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Sri Sivakumar
- Department of Chemical Engineering and Centre for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Ashis K Patra
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India.
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Lemmerhirt H, Behnisch S, Bodtke A, Lillig CH, Pazderova L, Kasparkova J, Brabec V, Bednarski PJ. Effects of cytotoxic cis- and trans-diammine monochlorido platinum(II) complexes on selenium-dependent redox enzymes and DNA. J Inorg Biochem 2017; 178:94-105. [PMID: 29125948 DOI: 10.1016/j.jinorgbio.2017.10.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Revised: 10/16/2017] [Accepted: 10/25/2017] [Indexed: 11/16/2022]
Abstract
Here we present the preparation of 14 pairs of cis- and trans-diammine monochlorido platinum(II) complexes, coordinated to heterocycles (i.e., imidazole, 2-methylimidazole and pyrazole) and linked to various acylhydrazones, which were designed as potential inhibitors of the selenium-dependent enzymes glutathione peroxidase 1 (GPx-1) and thioredoxin reductase 1 (TrxR-1). However, no inhibition of bovine GPx-1 and only weak inhibition of murine TrxR-1 was observed in in vitro assays. Nonetheless, the cis configured diammine monochlorido Pt(II) complexes exhibited cytotoxic and apoptotic properties on various human cancer cell lines, whereas the trans configured complexes generally showed weaker potency with a few exceptions. On the other hand, the trans complexes were generally more likely to lack cross-resistance to cisplatin than the cis analogues. Platinum was found bound to the nuclear DNA of cancer cells treated with representative Pt complexes, suggesting that DNA might be a possible target. Thus, detailed in vitro binding experiments with DNA were conducted. Interactions of the compounds with calf thymus DNA were investigated, including Pt binding kinetics, circular dichroism (CD) spectral changes, changes in DNA melting temperatures, unwinding of supercoiled plasmids and ethidium bromide displacement in DNA. The CD results indicate that the most active cis configured pyrazole-derived complex causes unique structural changes in the DNA compared to the other complexes as well as to those caused by cisplatin, suggesting a denaturation of the DNA structure. This may be important for the antiproliferative activity of this compound in the cancer cells.
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Affiliation(s)
- Heidi Lemmerhirt
- Institute of Pharmacy, Ernst-Moritz-Arndt University of Greifswald, 17487 Greifswald, Germany
| | - Steven Behnisch
- Institute of Pharmacy, Ernst-Moritz-Arndt University of Greifswald, 17487 Greifswald, Germany
| | - Anja Bodtke
- Institute of Pharmacy, Ernst-Moritz-Arndt University of Greifswald, 17487 Greifswald, Germany
| | - Christopher H Lillig
- Institute of Medical Biochemistry and Molecular Biology, Ernst-Moritz-Arndt University of Greifswald, 17475 Greifswald, Germany
| | - Lucia Pazderova
- Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, 78371 Olomouc, Czech Republic
| | - Jana Kasparkova
- Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, 78371 Olomouc, Czech Republic
| | - Viktor Brabec
- Institute of Biophysics, Academy of Sciences of the Czech Republic, v.v.i., Kralovopolska 135, 61265 Brno, Czech Republic
| | - Patrick J Bednarski
- Institute of Pharmacy, Ernst-Moritz-Arndt University of Greifswald, 17487 Greifswald, Germany.
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Zmejkovski BB, Pantelić N, Filipović L, Aranđelović S, Radulović S, Sabo TJ, Kaluđerović GN. In Vitro Anticancer Evaluation of Platinum(II/IV) Complexes with Diisoamyl Ester of (S,S)-ethylenediamine-N,N'-di-2-propanoic Acid. Anticancer Agents Med Chem 2017; 17:1136-1143. [PMID: 27928952 DOI: 10.2174/1871520616666161207155634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 09/30/2016] [Accepted: 11/25/2016] [Indexed: 11/22/2022]
Abstract
AIMS Platinum(II) and platinum(IV) complexes [PtCln{(S,S)-(i-Am)2eddip}] (n = 2, 4: 1, 2, respectively; (S,S)-(i-Am)2eddip = O,O'-diisoamyl-(S,S)-ethylenediamine-N,N'-di-2-propanoate) were synthesized and characterized by elemental analysis, IR, 1H and 13C NMR spectroscopy and mass spectrometry. METHOD Quantum chemical calculations were used to predict formed isomers of 1 and 2. Furthermore, reduction of 2 with ascorbic acid was followed by time-dependant 13C NMR spectroscopy in order to enable assignation of the formed isomers for complex 1. In vitro cytotoxic activity was determined for 1 and 2 on a panel of five human tumor cell lines derived from cervix adenocarcinoma (HeLa), alveolar basal adenocarcinoma (A549), breast adenocarcinoma (MDA-453), colorectal cancer (LS 174), erythromyeloblastoid leukemia (K562), as well as one non-malignant human lung fibroblast cell line (MRC-5), using MTT assay. RESULT Both complexes exhibited high (2 against K562: IC50 = 5.4 μM), more active than cisplatin, to moderate activity (1). Both complexes caused considerable decrease of cell number in K562 cells in G1, S and G2 phases, concordantly increasing subpopulation in sub-G1 fraction. Morphological analysis of K562 cell death induced by platinum(II/IV) complexes indicate apoptosis.
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Affiliation(s)
- Bojana B Zmejkovski
- Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Nebojša Pantelić
- Department of Chemistry and Biochemistry, Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Belgrade-Zemun, Serbia
| | - Lana Filipović
- Institute of Oncology and Radiology, 11000 Belgrade, Serbia
| | | | | | - Tibor J Sabo
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Goran N Kaluđerović
- Department of Bioorganic Chemistry, Leibniz-Institute of Plant Biochemistry, Weinberg 3, D 06120 Halle (Saale). Germany
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Mayr J, Hager S, Koblmüller B, Klose MHM, Holste K, Fischer B, Pelivan K, Berger W, Heffeter P, Kowol CR, Keppler BK. EGFR-targeting peptide-coupled platinum(IV) complexes. J Biol Inorg Chem 2017; 22:591-603. [PMID: 28405842 PMCID: PMC5443859 DOI: 10.1007/s00775-017-1450-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 03/13/2017] [Indexed: 12/18/2022]
Abstract
The high mortality rate of lung cancer patients and the frequent occurrence of side effects during cancer therapy demonstrate the need for more selective and targeted drugs. An important and well-established target for lung cancer treatment is the occasionally mutated epidermal growth factor receptor (EGFR). As platinum(II) drugs are still the most important therapeutics against lung cancer, we synthesized in this study the first platinum(IV) complexes coupled to the EGFR-targeting peptide LARLLT (and the shuffled RTALLL as reference). Notably, HPLC–MS measurements revealed two different peaks with the same molecular mass, which turned out to be a transcyclization reaction in the linker between maleimide and the coupled cysteine moiety. With regard to the EGFR specificity, subsequent biological investigations (3-day viability, 14-day clonogenic assays and platinum uptake) on four different cell lines with different verified EGFR expression levels were performed. Unexpectedly, the results showed neither an enhanced activity nor an EGFR expression-dependent uptake of our new compounds. Consequently, fluorophore-coupled peptides were synthesized to re-evaluate the targeting ability of LARLLT itself. However, also with these molecules, flow cytometry measurements showed no correlation of drug uptake with the EGFR expression levels. Taken together, we successfully synthesized the first platinum(IV) complexes coupled to an EGFR-targeting peptide; however, the biological investigations revealed that LARLLT is not an appropriate peptide for enhancing the specific uptake of small-molecule drugs into EGFR-overexpressing cancer cells.
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Affiliation(s)
- Josef Mayr
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria
| | - Sonja Hager
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090, Vienna, Austria
| | - Bettina Koblmüller
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090, Vienna, Austria
| | - Matthias H M Klose
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria
| | - Katharina Holste
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090, Vienna, Austria
| | - Britta Fischer
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria
| | - Karla Pelivan
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria
| | - Walter Berger
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090, Vienna, Austria.,Research Cluster ''Translational Cancer Therapy Research'', University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria
| | - Petra Heffeter
- Institute of Cancer Research and Comprehensive Cancer Center, Medical University of Vienna, Borschkegasse 8a, A-1090, Vienna, Austria. .,Research Cluster ''Translational Cancer Therapy Research'', University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria.
| | - Christian R Kowol
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria. .,Research Cluster ''Translational Cancer Therapy Research'', University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria.
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria.,Research Cluster ''Translational Cancer Therapy Research'', University of Vienna, Waehringer Strasse 42, A-1090, Vienna, Austria
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Biersack B. Interactions between anticancer active platinum complexes and non-coding RNAs/microRNAs. Noncoding RNA Res 2017; 2:1-17. [PMID: 30159416 PMCID: PMC6096430 DOI: 10.1016/j.ncrna.2016.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 10/07/2016] [Accepted: 10/07/2016] [Indexed: 12/13/2022] Open
Abstract
Platinum(II) complexes such as cisplatin, carboplatin and oxaliplatin are clinically approved for the therapy of various solid tumors. Challenging pathogenic properties of cancer cells and the response of cancers towards platinum-based drugs are strongly influenced by non-coding small RNA molecules, the microRNAs (miRNAs). Both increased platinum activity and formation of tumor resistance towards platinum drugs are controlled by miRNAs. This review gives an overview of the interactions between platinum-based drugs and miRNAs, and their influence on platinum activity in various cancer types is discussed.
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Key Words
- 5-FU, 5-fluorouracil
- Anticancer drugs
- CBDCA, cyclobutane-1,1-dicarboxylate
- Carboplatin
- Cisplatin
- DACH, 1,2-diaminocyclohexane
- DDP, cisplatin
- EGCG, (−)-epigallocatechin-3-gallate
- EOX, epirubicin/oxaliplatin/xeloda
- FOLFOX, folinate/5-FU/oxaliplatin
- GC, gemcitabine/cisplatin, gastric cancer
- LNA, locked nucleic acid
- MVAC, methotrexate/vinblastine/adriamycin/cisplatin
- MicroRNA
- Oxaliplatin
- Platinum complexes
- XELOX, xeloda/oxaliplatin
- dTTP, deoxythymidine triphosphate
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20
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Amatori S, Ambrosi G, Errico Provenzano A, Fanelli M, Formica M, Fusi V, Giorgi L, Macedi E, Micheloni M, Paoli P, Rossi P. Pd II and Pt II complexes with a thio-aza macrocycle ligand containing an intercalating fragment: Structural and antitumor activity studies. J Inorg Biochem 2016; 162:154-161. [PMID: 27389827 DOI: 10.1016/j.jinorgbio.2016.06.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Revised: 06/11/2016] [Accepted: 06/23/2016] [Indexed: 10/21/2022]
Abstract
Two new PtII and PdII complexes of formula [LMCl2] (M=Pt, Pd) were synthesized and characterized both in solution and solid state. They were obtained using the thio-aza macrocycle 9,18-dimethyl-12,17dithia-9,18,27,28-tetraaaza-29-oxatetracyclo[24.2.1.02,7.020,25]enneicosa-2,4,6,20,22,24,26,281-octaene (L) containing the 2,5-diphenyl [1, 3, 4]oxadiazole as intercalating fragment. MII is coordinated in cis-position by the two S atoms of L. The two crystal structures of [LPtCl2] and [LPdCl2] complexes showed that the MII ion is located outside the macrocyclic cavity. The square planar coordination sphere is fulfilled by two chloride anions in a cisplatin-like arrangement with the chloride leaving groups exposed to the environment. The biological activity of both [LPtCl2] and [LPdCl2], monitored towards a leukemic cellular model (U937), is coherent with their ability to interfere, at different levels, with the DNA structure.
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Affiliation(s)
- Stefano Amatori
- University of Urbino, Molecular Pathology Lab. "PaoLa", Department of Biomolecular Sciences, Arco d'Augusto 2, I-61032 Fano, (PU), Italy
| | - Gianluca Ambrosi
- University of Urbino, Department of Pure and Applied Sciences, Via della Stazione 4, I-61029 Urbino, Italy
| | - Alfredo Errico Provenzano
- University of Urbino, Molecular Pathology Lab. "PaoLa", Department of Biomolecular Sciences, Arco d'Augusto 2, I-61032 Fano, (PU), Italy
| | - Mirco Fanelli
- University of Urbino, Molecular Pathology Lab. "PaoLa", Department of Biomolecular Sciences, Arco d'Augusto 2, I-61032 Fano, (PU), Italy.
| | - Mauro Formica
- University of Urbino, Department of Pure and Applied Sciences, Via della Stazione 4, I-61029 Urbino, Italy
| | - Vieri Fusi
- University of Urbino, Department of Pure and Applied Sciences, Via della Stazione 4, I-61029 Urbino, Italy.
| | - Luca Giorgi
- University of Urbino, Department of Pure and Applied Sciences, Via della Stazione 4, I-61029 Urbino, Italy
| | - Eleonora Macedi
- University of Firenze, Department of Industrial Engineering, Via S. Marta 3, I-50139 Firenze, Italy
| | - Mauro Micheloni
- University of Urbino, Department of Pure and Applied Sciences, Via della Stazione 4, I-61029 Urbino, Italy
| | - Paola Paoli
- University of Firenze, Department of Industrial Engineering, Via S. Marta 3, I-50139 Firenze, Italy
| | - Patrizia Rossi
- University of Firenze, Department of Industrial Engineering, Via S. Marta 3, I-50139 Firenze, Italy
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21
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Hoffmeister BR, Hejl M, Adib-Razavi MS, Jakupec MA, Galanski M, Keppler BK. Bis- and Tetrakis(carboxylato)platinum(IV) complexes with mixed axial ligands - synthesis, characterization, and cytotoxicity. Chem Biodivers 2016; 12:559-74. [PMID: 25879501 DOI: 10.1002/cbdv.201400291] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Indexed: 11/06/2022]
Abstract
A series of twelve novel diamminetetrakis(carboxylato)platinum(IV) and 18 novel bis(carboxylato)dichlorido(ethane-1,2-diamine)platinum(IV) complexes with mixed axial carboxylato ligands was synthesized and characterized by multinuclear (1) H-, (13) C-, (15) N-, and (195) Pt-NMR spectroscopy. Their cytotoxic potential was evaluated (by MTT assay) against three human cancer cell lines derived from ovarian teratocarcinoma (CH1/PA-1), lung (A549), and colon carcinoma (SW480). In the cisplatin-sensitive CH1/PA-1 cancer cell line, diamminetetrakis(carboxylato)platinum(IV) complexes showed IC50 values in the low micromolar range, whereas, for the most lipophilic compounds of the bis(carboxylato)dichlorido(ethane-1,2-diamine)platinum(IV) series, IC50 values in the nanomolar range were found.
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Affiliation(s)
- Björn R Hoffmeister
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, AT-1090 Vienna (phone: +43-1-427752600; fax: +43-1-427752680)
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22
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Gama S, Rodrigues I, Mendes F, Santos IC, Gabano E, Klejevskaja B, Gonzalez-Garcia J, Ravera M, Vilar R, Paulo A. Anthracene-terpyridine metal complexes as new G-quadruplex DNA binders. J Inorg Biochem 2016; 160:275-86. [PMID: 27267415 DOI: 10.1016/j.jinorgbio.2016.04.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 03/15/2016] [Accepted: 04/03/2016] [Indexed: 12/21/2022]
Abstract
The formation of quadruple-stranded DNA induced by planar metal complexes has particular interest in the development of novel anticancer drugs. This is especially relevant for the inhibition of telomerase, which plays an essential role in cancer cell immortalization and is overexpressed in ca. 85-90% of cancer cells. Moreover, G-quadruplexes also exist in other locations in the human genome, namely oncogene promoter regions, and it has been hypothesized that they play a regulatory role in gene transcription. Herein we report a series of new anthracene-containing terpyridine ligands and the corresponding Cu(II) and Pt(II) complexes, with different linkers between the anthracenyl moiety and the terpyridine chelating unit. The interaction of these ligands and metal complexes with different topologies of DNA was studied by several biophysical techniques. The Pt(II) and Cu(II) complexes tested showed affinity for quadruplex-forming sequences with a good selectivity over duplex DNA. Importantly, the free ligands do not have significant affinity for any of the DNA sequences used, which shows that the presence of the metal is essential for high affinity (and selectivity). This effect is more evident in the case of the Pt(II) complexes. Moreover, the presence of a longer linker between the chelating terpyridine unit and the anthracene moiety enhances the interaction with G-quadruplex-forming sequences. We further evaluated the ability of the Cu(II) complexes to interact with, and stabilize G-quadruplex containing regions in oncogene promoters via a polymerase stop assay. These studies indicated that the metal complexes are able to induce G-quadruplex formation and stop polymerase activity.
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Affiliation(s)
- Sofia Gama
- Centro de Ciências e Tecnologias Nucleares (C(2)TN), Instituto Superior Técnico, Universidade de Lisboa, Portugal.
| | - Inês Rodrigues
- Centro de Ciências e Tecnologias Nucleares (C(2)TN), Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - Filipa Mendes
- Centro de Ciências e Tecnologias Nucleares (C(2)TN), Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - Isabel C Santos
- Centro de Ciências e Tecnologias Nucleares (C(2)TN), Instituto Superior Técnico, Universidade de Lisboa, Portugal
| | - Elisabetta Gabano
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale "Amedeo Avogadro", Alessandria, Italy
| | - Beata Klejevskaja
- Department of Chemistry, Imperial College London, London SW7 2AZ, UK
| | | | - Mauro Ravera
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale "Amedeo Avogadro", Alessandria, Italy
| | - Ramon Vilar
- Department of Chemistry, Imperial College London, London SW7 2AZ, UK
| | - António Paulo
- Centro de Ciências e Tecnologias Nucleares (C(2)TN), Instituto Superior Técnico, Universidade de Lisboa, Portugal
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Abstract
Lung cancer is the second most common cancer in both men and women and thus a leading cause of cancer-related deaths worldwide. New efficient treatments especially for its advanced stages and metastases are desperately needed, particularly with regard to overcoming the resistance which thwarts the efficacy of most clinically established drugs such as the platinum complexes. Glimpses of hope are new metal-based drugs that have emerged over the past decade which displayed efficacy in patients with platinum-resistant tumors and metastases. This chapter provides an overview of the latest developments of such metal-based drugs against lung cancer.
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Affiliation(s)
- Bernhard Biersack
- Organic Chemistry Laboratory, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany.
| | - Rainer Schobert
- Organic Chemistry Laboratory, University of Bayreuth, Universitätsstr. 30, 95447, Bayreuth, Germany
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24
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Höfer D, Varbanov HP, Legin A, Jakupec MA, Roller A, Galanski MS, Keppler BK. Tetracarboxylatoplatinum(IV) complexes featuring monodentate leaving groups - A rational approach toward exploiting the platinum(IV) prodrug strategy. J Inorg Biochem 2015; 153:259-271. [PMID: 26365319 DOI: 10.1016/j.jinorgbio.2015.08.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 08/10/2015] [Accepted: 08/20/2015] [Indexed: 01/31/2023]
Abstract
A series of novel symmetrically and unsymmetrically coordinated platinum(IV) complexes with monodentate carboxylato ligands was synthesized. The compounds exhibit a general coordination sphere of [Pt(en)(OCOR)2(OCOR')(OCOR″)], where the carboxylato ligands are represented by acetato and succinic acid monoester ligands. Dicarboxylatoplatinum(II) complexes were synthesized and oxidized symmetrically or unsymmetrically to obtain platinum(IV) complexes, which were subsequently carboxylated with noncyclic anhydrides. The compounds were investigated in detail by elemental analysis, mass spectrometry, infrared and multinuclear ((1)H, (13)C, (15)N, (195)Pt) NMR spectroscopy as well as by X-ray diffraction in some cases. The reduction behavior was followed by NMR spectroscopy, while stability and lipophilicity were examined by analytical reversed phase HPLC measurements. Cytotoxic properties were studied in three human cancer cell lines derived from cisplatin sensitive ovarian teratocarcinoma (CH1/PA-1), cisplatin insensitive colon carcinoma (SW480) and non-small cell lung cancer (A549). Thereby, the most lipophilic (yet water soluble) platinum(IV) complexes showed promising IC50 values in the low micromolar and even nanomolar range, demonstrating the significant advantage of using equatorially coordinated monodentate carboxylato ligands.
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Affiliation(s)
- Doris Höfer
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Hristo P Varbanov
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland.
| | - Anton Legin
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Michael A Jakupec
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Research Platform "Translational Cancer Therapy Research", University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Alexander Roller
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria
| | - Mathea S Galanski
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria.
| | - Bernhard K Keppler
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria; Research Platform "Translational Cancer Therapy Research", University of Vienna, Waehringer Strasse 42, A-1090 Vienna, Austria.
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25
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Esteves LF, Dos Santos HF, Costa LAS. The conformation effect of the diamine bridge on the stability of dinuclear platinum(II) complexes and their hydrolysis. J Mol Graph Model 2015; 61:290-6. [PMID: 26318233 DOI: 10.1016/j.jmgm.2015.08.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 08/10/2015] [Accepted: 08/12/2015] [Indexed: 11/26/2022]
Abstract
In this paper, the hydrolysis process of a bisplatinum complex containing the flexible chain 1,6-hexanediamine between the two metal centers was investigated through the use of density functional theory (DFT) with the analysis of the role of the spacing group arrangement on the values of free energy activation barrier. All structures were fully optimized in aqueous solution using implicit model for solvent at DFT level. The energy profiles for the hydrolysis reaction were determined by using the supermolecule approach. Five transition states were proposed differing by the conformation of the bridge group, and the activation free energy calculated as a weighted average within the selected forms. The Gibbs population for reactant was used as a statistical weight leading to the predicted value of 23.1kcalmol(-1), in good accordance with experiment, 23.8kcalmol(-1). Our results suggests that for 1,6-hexanediamine bridge ligand, the extend forms with average torsional angle over the carbon chain larger than 130° have the greatest contribution to the hydrolysis kinetics. The results presented here point out that the hydrolysis mechanism might follow different paths for each conformation and each of these contributes to the observed energy barrier.
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Affiliation(s)
- Lucas F Esteves
- NEQC (Núcleo de Estudos em Química Computacional), Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Campus Universitário Martelos, 36036-900 Juiz de Fora, MG, Brazil
| | - Hélio F Dos Santos
- NEQC (Núcleo de Estudos em Química Computacional), Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Campus Universitário Martelos, 36036-900 Juiz de Fora, MG, Brazil
| | - Luiz Antônio S Costa
- NEQC (Núcleo de Estudos em Química Computacional), Departamento de Química, ICE, Universidade Federal de Juiz de Fora, Campus Universitário Martelos, 36036-900 Juiz de Fora, MG, Brazil.
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26
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Gornowicz A, Bielawska A, Czarnomysy R, Gabryel-Porowska H, Muszyńska A, Bielawski K. The combined treatment with novel platinum(II) complex and anti-MUC1 increases apoptotic response in MDA-MB-231 breast cancer cells. Mol Cell Biochem 2015; 408:103-13. [PMID: 26112902 DOI: 10.1007/s11010-015-2486-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 06/18/2015] [Indexed: 12/20/2022]
Abstract
New strategy of cancer’s targeting treatment is combining monoclonal antibodies with chemotherapeutic agents. An important goal of targeted therapy appears to be a transmembrane glycoprotein type I—mucin 1 (MUC1), which is overexpressed in tumors of epithelial origin, especially in breast cancer. The goal of the study was to check the effect of monoclonal antibody against MUC1 with novel platinum(II) complex (Pt12) on selected aspects of apoptosis in human MDA-MB-231 breast cancer cells. The number of apoptotic and necrotic cells was measured using annexin V binding assay. The decrease of mitochondrial membrane potential (MMP) and DNA fragmentation was analyzed. Finally, the influence of novel platinum(II) complex (Pt12) used with anti-MUC1 on the concentration of selected markers of apoptosis such as Bax, caspase-8, -9, and caspase-3 was performed using ELISA. The results from combined treatment were compared with those obtained using monotherapy. In our study, we proved that anti-MUC1 used in combination with Pt12 strongly induced apoptosis in MDA-MB-231 breast cancer cell line. The effect was stronger than treatment with Pt12, cisplatin, anti-MUC1, and anti-MUC1 used with cisplatin. We also observed the highest decrease of MMP and the strongest DNA fragmentation after such a combined treatment. The results obtained from ELISA showed increased concentration of Bax, caspases-8, -9, -3 compared to monotherapy. Our study proved that Pt12 together with anti-MUC1 strongly induced apoptosis in estrogen-negative breast cancer cell line (MDA-MB-231). The apoptosis may go through extrinsic pathway associated with caspase-8 as well as intrinsic pathway connected with caspase-9.
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Shiju C, Arish D, Bhuvanesh N, Kumaresan S. Synthesis, characterization, and biological evaluation of Schiff base-platinum(II) complexes. Spectrochim Acta A Mol Biomol Spectrosc 2015; 145:213-222. [PMID: 25782179 DOI: 10.1016/j.saa.2015.02.030] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 02/06/2015] [Accepted: 02/08/2015] [Indexed: 06/04/2023]
Abstract
The platinum complexes of Schiff base ligands derived from 4-aminoantipyrine and a few substituted aldehydes were synthesized and characterized by elemental analysis, mass, (1)H NMR, IR, electronic spectra, molar conductance, and powder XRD. The structure of one of the ligands L5 was confirmed by a single crystal XRD analysis. The Schiff base ligand crystallized in the triclinic, space group P-1 with a=7.032(2)Ǻ, b=9.479(3)Ǻ, c=12.425(4)Ǻ, α=101.636(3)°, β=99.633(3)°, γ=94.040(3)°, V=795.0(4)Ǻ(3), Z=2, F(000)=352, Dc=1.405 mg/m(3), μ=0.099 mm(-1), R=0.0378, and wR=0.0967. The spectral results show that the Schiff base ligand acts as a bidentate donor coordinating through the azomethine nitrogen and the carbonyl oxygen atoms. The geometrical structures of these complexes are found to be square planar. Antimicrobial studies indicate that these complexes exhibit better activity than the ligand. The anticancer activities of the complexes have also been studied towards human cervical cancer cell line (HeLa), Colon Cancer Cells (HCT116) and Epidermoid Carcinoma Cells (A431) and it was found that the [Pt(L3)Cl2] complex is more active.
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Affiliation(s)
- C Shiju
- Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli 627 012, TN, India
| | - D Arish
- Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli 627 012, TN, India
| | - N Bhuvanesh
- Department of Chemistry, Texas A&M University, College Station, TX 77842, USA
| | - S Kumaresan
- Department of Biotechnology, Manonmaniam Sundaranar University, Tirunelveli 627 012, TN, India.
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28
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Wang Y, Liu Q, Qiu L, Wang T, Yuan H, Lin J, Luo S. Molecular structure, IR spectra, and chemical reactivity of cisplatin and transplatin: DFT studies, basis set effect and solvent effect. Spectrochim Acta A Mol Biomol Spectrosc 2015; 150:902-8. [PMID: 26119356 DOI: 10.1016/j.saa.2015.06.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Revised: 05/24/2015] [Accepted: 06/04/2015] [Indexed: 05/10/2023]
Abstract
Three different density functional theory (DFT) methods were employed to study the molecular structures of cis-diamminedichloroplatinum(II) (CDDP) and trans-diamminedichloroplatinum(II) (TDDP). The basis set effect on the structure was also investigated. By comparing the optimized structures with the experimental data, a relatively more accurate method was chosen for further study of the IR spectra and other properties as well as the solvent effect. Nineteen characteristic vibrational bands of the title compounds were assigned and compared with available experimental data. The number of characteristic peaks for the asymmetric stretching and deformation vibrations of N-H can serve as a judgment for the isomer between CDDP and TDDP. Significant solvent effect was observed on the molecular structures and IR spectra. The reduced density gradient analysis was performed to study the intramolecular interactions of CDDP and TDDP, and the nature of changes in the structures caused by the solvent was illustrated. Several descriptors determined from the energies of frontier molecular orbitals (HOMO and LUMO) were applied to describe the chemical reactivity of the title compounds. The molecular electrostatic potential (MESP) surfaces showed that the amino groups were the most favorable sites that nucleophilic reagents tend to attack, and CDDP was easier to be attacked by nucleophilic reagents than TDDP.
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Affiliation(s)
- Yang Wang
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China; Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China
| | - Qingzhu Liu
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China; Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China
| | - Ling Qiu
- Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China; School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Tengfei Wang
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China; Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China
| | - Haoliang Yuan
- Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China
| | - Jianguo Lin
- Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China
| | - Shineng Luo
- Key Laboratory of Nuclear Medicine, Ministry of Health & Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi 214063, PR China; School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
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29
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Liu W, Jiang J, Xie C, Hou S, Quan H, Ye Q, Lou L. Synthesis, anticancer activity and toxicity of a water-soluble 4S,5S-derivative of heptaplatin, cis-{Pt(II)[(4S,5S)-4,5-bis(aminomethyl)-2-isopropyl-1,3-dioxolane]·(3-hydroxyl-cyclobutane-1,1-dicarboxylate)}. J Inorg Biochem 2014; 140:126-30. [PMID: 25108185 DOI: 10.1016/j.jinorgbio.2014.07.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 07/14/2014] [Accepted: 07/14/2014] [Indexed: 02/04/2023]
Abstract
A water-soluble 4S,5S-derivative of heptaplatin, cis-{Pt(II)[(4S,5S)-4,5-bis(aminomethyl)-2-isopropyl-1,3-dioxolane]·(3-hydroxyl-cyclobutane-1,1-dicarboxylate)} was synthesized. The anticancer activity and toxicity were evaluated by comparing its interaction with DNA, cytotoxicity against four human cancer cell lines, antitumor efficiency in human gastric carcinoma NCI-N87 xenografts in nude mice, and preliminary side-effects in rats to those of its 4R,5R-optical isomer which is under preclinical development. Both isomers induce condensation of DNA to the same extent and have similar cytotoxicity, but show different antitumor activity and toxicity, probably owing to the difference in respective pharmacokinetic profiles. 4S,5S-Isomer seems to exhibit superior antitumor activity and less toxicity than 4R,5R-optical isomer as well as the parent heptaplatin. These results imply that 4S,5S-configuration as a new drug candidate may be better than 4R,5R-counterpart.
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30
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Kamčeva T, Radisavljević M, Vukićević I, Arnhold J, Petković M. Interactions of platinum and ruthenium coordination complexes with pancreatic phospholipase A(2) and phospholipids investigated by MALDI TOF mass spectrometry. Chem Biodivers 2014; 10:1972-86. [PMID: 24243606 DOI: 10.1002/cbdv.201300141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Indexed: 11/07/2022]
Abstract
Phospholipase A2 is involved in propagation of inflammatory processes and carcinogenesis through its role in phospholipid metabolism, and release of arachidonic acid and lysophospholipids. Recent findings on correlation between elevated PLA2 activity and metastatic cancer render this enzyme an attractive target for cancer therapy. On the other hand, due to a broad range of oxidation states under physiological conditions and a high affinity for protein binding, platinum and ruthenium coordination complexes are promising candidates for PLA2 inhibitors. In this article, we discuss the interactions of Pt and Ru coordination complexes with PLA2 and phospholipids, as well as the application of MALDI-TOF mass spectrometry for screening PLA2 inhibitors. Owing to the ability of this technique to simultaneously detect and monitor changes in substrate and product concentrations, the inhibitor mechanisms of both Pt and Ru complexes with various ligands were determined.
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Affiliation(s)
- Tina Kamčeva
- 'Vinča' Institute of Nuclear Sciences, Department of Physical Chemistry, University of Belgrade, Mike Petrovića Alasa 12-14, RS-11001 Belgrade (phone: +381 11 3408 64; fax: +381 11 8066 434); Haukeland University Hospital, Laboratory of Clinical Biochemistry, Section of Clinical Pharmacology, Jonas Lies Vei 65, NO-5020 Bergen (phone: +47 46 572612; fax:+47 55 290 718).
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Malik M, Michalska D. Assessment of new DFT methods for predicting vibrational spectra and structure of cisplatin: which density functional should we choose for studying platinum(II) complexes? Spectrochim Acta A Mol Biomol Spectrosc 2014; 125:431-9. [PMID: 24583852 DOI: 10.1016/j.saa.2014.01.107] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2013] [Revised: 01/13/2014] [Accepted: 01/22/2014] [Indexed: 05/10/2023]
Abstract
Ten different DFT methods, including several recently developed functionals have been tested for their performances in prediction of infrared and Raman spectra and molecular structure of cisplatin. The assessed DFT methods cover the range from meta-GGA to hybrid, double hybrid and long-range corrected hybrid models (M06-L, M06, M06-2X, PBE0, mPW1PW, B3LYP, B2PLYP, CAM-B3LYP, ωB97XD and LC-ωPBE). The calculated structural parameters and theoretical spectra have been compared to the corresponding experimental data. It is shown that the LC-ωPBE scheme is superior to other DFT methods in predicting the geometry of cisplatin. Unfortunately, the M06-L, M06-2X and B3LYP functionals are deficient in the evaluation of the strength of two Pt←NH3 coordination bonds in cisplatin (the calculated bond lengths are too long and the Pt-N stretching frequencies are underestimated). Both the PBE0 and mPW1PW functionals, in conjunction with the LanL2TZ(f) basis set for Pt give very similar theoretical results and seem to be the best methods for predicting the IR and Raman spectra of cisplatin. The long-range corrected functionals (LC-ωPBE, ωB97XD and CAM-B3LYP) have shown good performances in predicting the frequencies of Pt-ligand vibrations and are promising new tools for theoretical study of novel platinum(II) compounds.
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Affiliation(s)
- Magdalena Malik
- Faculty of Chemistry, Wrocław University of Technology, Smoluchowskiego 23, 50-370 Wrocław, Poland
| | - Danuta Michalska
- Faculty of Chemistry, Wrocław University of Technology, Smoluchowskiego 23, 50-370 Wrocław, Poland.
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Zamora A, Rodríguez V, Cutillas N, Yellol GS, Espinosa A, Samper KG, Capdevila M, Palacios O, Ruiz J. New steroidal 7-azaindole platinum(II) antitumor complexes. J Inorg Biochem 2013; 128:48-56. [PMID: 23932925 DOI: 10.1016/j.jinorgbio.2013.07.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Revised: 07/03/2013] [Accepted: 07/08/2013] [Indexed: 02/07/2023]
Abstract
Two new steroidal 7-azaindole-based N-donor ligands 17-α-[7-azaindole-5-ethynyl]-17-β-testosterone (ET-Haza) (1) and 17-α-[7-azaindole-5-ethynyl]-19-nortestosterone (LEV-Haza) (2), and two new DNA damaging warheads with an enhanced lipophilicity [Pt(dmba)Cl(L)] (dmba=N,N-dimethylbenzylamine-κN,κC; L=ET-Haza (3) and LEV-Haza (4)) have been prepared and characterized. Values of IC50 were calculated for complexes 3 and 4 against a panel of human tumor cell lines representative of ovarian (A2780 and A2780cis) and breast cancers (T47D). At 48 h of incubation time 3 and 4 showed very low resistance factors (RF of 1) against an A2780 cell line which has acquired resistance to cisplatin, IC50 values of the new complexes towards normal human LLC-PK1 renal cells at 48 h being about double than that of cisplatin. 3 and 4 are able to react with 9-ethylguanine (9-EtG) yielding the corresponding monoadduct [Pt(dmba)(L)(9-EtG)](+) derivatives as followed by ESI-MS. Compound 3 interacts mainly with double-stranded (DS) oligonucleotides as shown by analysis with ESI-TOF-MS, being also able to displace ethidium bromide (EB) from DNA, as observed by an electrophoretic mobility study. 3 and 4 are good cathepsin B inhibitors. Theoretical calculations at the COSMO(CHCl3)/B3LYP-D/def2-TZVPPecp//B3LYP-D/def2-TZVPecp level and energy evaluations at the COSMO(CHCl3)/PWPB95-D3/def2-TZVPPecp level of theory on compound 4 and model systems have been done.
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Affiliation(s)
- Ana Zamora
- Departamento de Química Inorgánica and Regional Campus of International Excellence "Campus Mare Nostrum", Universidad de Murcia and Instituto Murciano de Investigación Biosanitaria (IMIB), Spain, E-30071 Murcia, Spain
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