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Ding D, Jiang H, Zhang J, Xu X, Qi W, Shi H, Yin S, Salvi R. Cisplatin-induced vestibular hair cell lesion-less damage at high doses. J Otol 2018; 13:115-121. [PMID: 30671086 PMCID: PMC6335437 DOI: 10.1016/j.joto.2018.08.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/10/2018] [Accepted: 08/20/2018] [Indexed: 12/04/2022] Open
Abstract
Cisplatin, a widely used anticancer drug, damages hair cells in cochlear organotypic cultures at low doses, but paradoxically causes little damage at high doses resulting in a U-shaped dose-response function. To determine if the cisplatin dose-response function for vestibular hair cells follows a similar pattern, we treated vestibular organotypic cultures with doses of cisplatin ranging from 10 to 1000 μM. Vestibular hair cell lesions progressively increased as the dose of cisplatin increased with maximum damage occurring around 50–100 μM, but the lesions progressively decreased at higher doses resulting in little hair cell loss at 1000 μM. The U-shaped dose-response function for cisplatin-treated vestibular hair cells in culture appears to be regulated by copper transporters, Ctr1, ATP7A and ATP7B, that dose-dependently regulate the uptake, sequestration and extrusion of cisplatin.
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Affiliation(s)
- Dalian Ding
- Center for Hearing and Deafness, University at Buffalo, USA.,Department of Otolaryngology Head and Neck Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Haiyan Jiang
- Center for Hearing and Deafness, University at Buffalo, USA
| | - Jianhui Zhang
- Department of Otolaryngology Head and Neck Surgery, The Third People's Hospital of Chengdu, China
| | | | - Weidong Qi
- Department of Otolaryngology Head and Neck Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Haibo Shi
- Department of Otorhinolaryngology, Affiliated Sixth People's Hospital of Shanghai Jiaotong University, Shanghai, China
| | - Shankai Yin
- Department of Otorhinolaryngology, Affiliated Sixth People's Hospital of Shanghai Jiaotong University, Shanghai, China
| | - Richard Salvi
- Center for Hearing and Deafness, University at Buffalo, USA.,Department of Audiology and Speech-Language Pathology, Asia University, China
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Enantiomeric pairs of copper(II) polypyridyl-alanine complex salts: anticancer studies. TRANSIT METAL CHEM 2018. [DOI: 10.1007/s11243-018-0234-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Pracharova J, Vigueras G, Novohradsky V, Cutillas N, Janiak C, Kostrhunova H, Kasparkova J, Ruiz J, Brabec V. Exploring the Effect of Polypyridyl Ligands on the Anticancer Activity of Phosphorescent Iridium(III) Complexes: From Proteosynthesis Inhibitors to Photodynamic Therapy Agents. Chemistry 2018; 24:4607-4619. [DOI: 10.1002/chem.201705362] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Jitka Pracharova
- Department of Biophysics, Centre of the Region Hana for, Biotechnological and Agricultural ResearchPalacky University Slechtitelu 27 783 71 Olomouc Czech Republic
| | - Gloria Vigueras
- Departamento de Química InorgánicaUniversidad de Murcia and Institute for Bio-Health Research of, Murcia (IMIB-Arrixaca) 30071 Murcia Spain
| | - Vojtech Novohradsky
- Institute of BiophysicsCzech Academy of Sciences Kralovopolska 135 61265 Brno Czech Republic
| | - Natalia Cutillas
- Departamento de Química InorgánicaUniversidad de Murcia and Institute for Bio-Health Research of, Murcia (IMIB-Arrixaca) 30071 Murcia Spain
| | - Christoph Janiak
- Institut für Anorganische Chemie und StrukturchemieHeinrich-Heine-Universität Düsseldorf Universitätsstr 1 40225 Düsseldorf Germany
| | - Hana Kostrhunova
- Institute of BiophysicsCzech Academy of Sciences Kralovopolska 135 61265 Brno Czech Republic
| | - Jana Kasparkova
- Institute of BiophysicsCzech Academy of Sciences Kralovopolska 135 61265 Brno Czech Republic
| | - José Ruiz
- Departamento de Química InorgánicaUniversidad de Murcia and Institute for Bio-Health Research of, Murcia (IMIB-Arrixaca) 30071 Murcia Spain
| | - Viktor Brabec
- Institute of BiophysicsCzech Academy of Sciences Kralovopolska 135 61265 Brno Czech Republic
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Suntharalingam K, Awuah SG, Bruno PM, Johnstone TC, Wang F, Lin W, Zheng YR, Page JE, Hemann MT, Lippard SJ. Necroptosis-inducing rhenium(V) oxo complexes. J Am Chem Soc 2015; 137:2967-74. [PMID: 25698398 PMCID: PMC4702498 DOI: 10.1021/ja511978y] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Rhenium(V) oxo complexes of general formula [ReO(OMe)(N^N)Cl2], where N^N = 4,7-diphenyl-1,10-phenanthroline, 1, or 3,4,7,8-tetramethyl-1,10-phenanthroline, 2, effectively kill cancer cells by triggering necroptosis, a non-apoptotic form of cell death. Both complexes evoke necrosome (RIP1-RIP3)-dependent intracellular reactive oxygen species (ROS) production and propidium iodide uptake. The complexes also induce mitochondrial membrane potential depletion, a possible downstream effect of ROS production. Apparently, 1 and 2 are the first rhenium complexes to evoke cellular events consistent with programmed necrosis in cancer cells. Furthermore, 1 and 2 display low acute toxicity in C57BL/6 mice and reasonable stability in fresh human blood.
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Affiliation(s)
- Kogularamanan Suntharalingam
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
- Department of Chemistry, King’s College London, London, SE1 1DB, United Kingdom
| | - Samuel G. Awuah
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Peter M. Bruno
- The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Timothy C. Johnstone
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Fang Wang
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Wei Lin
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Yao-Rong Zheng
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Julia E. Page
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Michael T. Hemann
- The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
| | - Stephen J. Lippard
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
- The Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, United States
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Sgarbossa P, Sbovata SM, Bertani R, Mozzon M, Benetollo F, Marzano C, Gandin V, Michelin RA. Novel imino thioether complexes of platinum(II): synthesis, structural investigation, and biological activity. Inorg Chem 2013; 52:5729-41. [PMID: 23647564 DOI: 10.1021/ic3024452] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The reactions of the nitrile complexes cis- and trans-[PtCl2(NCR)2] (R = Me, Et, CH2Ph, Ph) with an excess of ethanethiol, EtSH, in the presence of a catalytic amount of n-BuLi in tetrahydrofuran (THF), afforded in good yield the bis-imino thioether derivatives cis-[PtCl2{E-N(H)═C(SEt)R}2] (R = Me (1), Et (2), CH2Ph (3), Ph (4)) and trans-[PtCl2{E-N(H)═C(SEt)R}2] (R = Me (5), Et (6), CH2Ph (7), Ph (8)). The imino thioether ligands assumed the E configuration corresponding to a cis addition of the thiol to the nitrile triple bond. The spectroscopic properties of these complexes have been reported along with the molecular structures of 1, 2, and 7 as established by X-ray crystallography which indicated that these compounds exhibit square-planar coordination geometry around the platinum center. Four N-H···Cl intermolecular contacts (N-H···Cl ca. 2.5-2.7 Å) between each chlorine atom and the N-H proton of the imino thioether ligand gave rise to "dimers" Pt2Cl4L4 (L = imino thioether) formed by two PtCl2L2 units. The cytotoxic properties of these new platinum(II) complexes were evaluated against various human cancer cell lines. Among all derivatives, trans-[PtCl2{E-N(H)═C(SEt)CH2Ph}2] showed the greatest in vitro cytotoxic activity being able to decrease cancer cell viability roughly 3-fold more effectively than cisplatin.
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Affiliation(s)
- Paolo Sgarbossa
- Department of Industrial Engineering, University of Padua, Via F. Marzolo, 9, 35131 Padua, Italy
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Jing-chun H, Da-lian D, Dong-zhen Y, Hai-yan J, Shan-kai Y, Salvi R. Modulation of copper transporters in protection against cisplatin-induced cochlear hair cell damage. J Otol 2011. [DOI: 10.1016/s1672-2930(11)50022-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Marzano C, Mazzega Sbovata S, Gandin V, Colavito D, Del Giudice E, Michelin RA, Venzo A, Seraglia R, Benetollo F, Schiavon M, Bertani R. A new class of antitumor trans-amine-amidine-Pt(II) cationic complexes: influence of chemical structure and solvent on in vitro and in vivo tumor cell proliferation. J Med Chem 2010; 53:6210-27. [PMID: 20681543 DOI: 10.1021/jm1006534] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reactions of cyclopropylamine, cyclopentylamine, and cyclohexylamine with trans-[PtCl2(NCMe)2] afforded the bis-cationic complexes trans-[Pt(amine)2(Z-amidine)2]2+[Cl-]2, 1-3. The solution behavior and biological activity have been studied in different solvents (DMSO, water, polyethylene glycol (PEG 400), and polyethylene glycol dimethyl ether (PEG-DME 500)). The biological activity was strongly influenced by the cycloaliphatic amine ring size, with trans-[Pt(NH2CH(CH2)4CH2)2{N(H) horizontal lineC(CH3)N(H)CH(CH2)4CH2}2]2+[Cl-]2 (3) being the most active compound. Complex 3 overcame both cisplatin and MDR resistance, inducing cancer cell death through p53-mediated apoptosis. Alkaline single-cell gel electrophoresis experiments indicated direct DNA damage, reasonably attributable to DNA adducts of trans-[PtCl(amine)(Z-amidine)2][Cl] species, which can evolve to produce disruptive and nonrepairable lesions on DNA, thus leading to the drug-induced programmed cancer cell death. Preliminary in vivo antitumor studies on C57BL mice bearing Lewis lung carcinoma highlighted that complex 3 promoted a significant and dose-dependent tumor growth inhibition without adverse side effects.
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Affiliation(s)
- Cristina Marzano
- Department of Pharmaceutical Sciences, Universy of Padova, Via F. Marzolo 5, I-35131 Padova, Italy
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Shahabuddin MS, Nambiar M, Moorthy BT, Naik PL, Choudhary B, Advirao GM, Raghavan SC. A novel structural derivative of natural alkaloid ellipticine, MDPSQ, induces necrosis in leukemic cells. Invest New Drugs 2010; 29:523-33. [DOI: 10.1007/s10637-009-9379-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2009] [Accepted: 12/17/2009] [Indexed: 11/24/2022]
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