1
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Villaman D, Vega A, Santa Maria de la Parra L, León IE, Levín P, Toro PM. Anticancer activity of Ni(II) and Zn(II) complexes based on new unsymmetrical salophen-type ligands: synthesis, characterization and single-crystal X-ray diffraction. Dalton Trans 2023; 52:10855-10868. [PMID: 37486008 DOI: 10.1039/d3dt00800b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
The discovery of new coordination compounds with anticancer properties is an active field of research due to the severe side effects of platinum-based compounds currently used in chemotherapy. In the search for new agents for the treatment of cancer, unsymmetrical N2O2-tetradentate ligand (H2L1 and H2L2) and their Ni(II) and Zn(II) asymmetric complexes (NiII-L1-2 and ZnII-L1-2) have been synthesized and fully characterized. 1H NMR studies revealed that the ligands and complexes were stable in mixtures of DMSO : D2O (9 : 1). Complementary UV-Vis studies confirmed that ZnII derivatives also exhibit high stability in mixtures DMSO : buffer (6 : 4) after 24 h. Single-crystal X-ray diffraction studies confirmed the molecular structures of H2L1, H2L2, NiII-L1, and NiII-L2. At the molecular level, complexes were completely planar without significant distortions of the square-planar geometry according to τ4 parameter. Furthermore, the crystalline structures revealed non-classical intermolecular interactions of the C-H⋯O and the Ni⋯Ni type. The ligands and complexes were screened against the human osteosarcoma (MG-63), human colon cancer (HCT-116), breast cancer (MDA-MB-231) cell lines, and non-cancerous cells (L929). H2L1 and H2L2 ligands not caused cytotoxic effects at a concentration of 100 μM, while NiII-L2, ZnII-L1, and ZnII-L2 complexes induce cytotoxic effects in all cell lines. NiII-L2 was a more active complex against MG-63 (3.9 ± 1.5) and HCT-116 (3.4 ± 1.7) cell lines with IC50 values in the low micromolar range. In addition, this compound was 10-, 5-, and 11-fold more potent than cisplatin in MG-63 (39 ± 1.8), HCT-116 (17.2), and MDA-MB-231 (131 ± 18), respectively. Three complexes exhibited great selectivity for tumoral cells with SI values ranging from 1.6 to 7.4.
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Affiliation(s)
- David Villaman
- Laboratorio de Química Inorgánica y Organometálica, Facultad de Cs. Química, Universidad de Concepción, Chile.
| | - Andrés Vega
- Universidad Andrés Bello, Facultad de Ciencias Exactas, Departamento de Ciencias Químicas, Av. República 498, Santiago, Chile
| | - Lucía Santa Maria de la Parra
- CEQUINOR (UNLP, CCT-CONICET La Plata, Asociado a CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 No. 1465, La Plata 1900, Argentina
| | - Ignacio E León
- CEQUINOR (UNLP, CCT-CONICET La Plata, Asociado a CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 No. 1465, La Plata 1900, Argentina
- Cátedra de Fisiopatología, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 y 115, La Plata 1900, Argentina
| | - Pedro Levín
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, Av. Libertador Bernardo O'Higgins 3363, Estación Central, Santiago, Chile
| | - Patricia M Toro
- Instituto de Ciencias Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, Talca, Chile.
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2
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Sun Y, Lu Y, Bian M, Yang Z, Ma X, Liu W. Pt(II) and Au(III) complexes containing Schiff-base ligands: A promising source for antitumor treatment. Eur J Med Chem 2020; 211:113098. [PMID: 33348237 DOI: 10.1016/j.ejmech.2020.113098] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/24/2020] [Accepted: 12/08/2020] [Indexed: 12/11/2022]
Abstract
The effective application of cisplatin in the clinic as an antitumor treatment has stimulated widespread interest in inorganic metal drugs. In particular, complexes containing the transition metals platinum and gold have attracted considerable attention due to their antitumor effects. The Pt(II) and Au(III) Schiff-base complexes are potential antitumor agents because of their remarkable biological activities and good stability, lipophilicity, and electroluminescent properties. These complexes act via various antitumor mechanisms that are unlike those of the classic platinum drugs, providing a feasible solution for improving the serious side effects caused by metal chemotherapy. In this review, promising antitumor agents based on Pt(II) and Au(III) complexes containing Schiff-base ligands, and their biological targets, including G-quadruplex DNA and thioredoxin reductase, are comprehensively summarized.
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Affiliation(s)
- Ying Sun
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Pharmacy, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yunlong Lu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Pharmacy, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Mianli Bian
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Pharmacy, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zhibin Yang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Pharmacy, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xiaoyan Ma
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Pharmacy, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Wukun Liu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Pharmacy, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China; State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210023, China.
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3
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Effect of Presence of Aliphatic Glycine in the Anti-cancer Platinum Complex Structure on Human Serum Albumin Binding. J Pharm Innov 2020. [DOI: 10.1007/s12247-020-09508-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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4
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Al-Khathami ND, Al-Rashdi KS, Babgi BA, Hussien MA, Nadeem Arshad M, Eltayeb NE, Elsilk SE, Lasri J, Basaleh AS, Al-Jahdali M. Spectroscopic and biological properties of platinum complexes derived from 2-pyridyl Schiff bases. JOURNAL OF SAUDI CHEMICAL SOCIETY 2019. [DOI: 10.1016/j.jscs.2019.03.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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5
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Sagasser J, Ma BN, Baecker D, Salcher S, Hermann M, Lamprecht J, Angerer S, Obexer P, Kircher B, Gust R. A New Approach in Cancer Treatment: Discovery of Chlorido[ N, N'-disalicylidene-1,2-phenylenediamine]iron(III) Complexes as Ferroptosis Inducers. J Med Chem 2019; 62:8053-8061. [PMID: 31369259 DOI: 10.1021/acs.jmedchem.9b00814] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Chlorido[N,N'-disalicylidene-1,2-phenylenediamine]iron(III) complexes generate lipid-based ROS and induce ferroptosis in leukemia and neuroblastoma cell lines. The extent of ferroptosis on the mode of action is regulated by simple modifications of the substituents at the 1,2-phenylenediamine moiety. In HL-60 cells, the unsubstituted lead exclusively caused ferroptosis. For instance, a 4-F substituent shifted the mode of action toward both ferroptosis and necroptosis, while the analogously chlorinated derivative exerted only necroptosis. Remarkably, cell-death in NB1 neuroblastoma cells was solely induced by ferroptosis, independent of the used substituents. The effects were higher than that of the therapeutically applied drug cisplatin. These data clearly demonstrate for the first time that not only iron ions but also iron salophene complexes are potent ferroptosis inducers, which can be optimized as antitumor agents.
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Affiliation(s)
- Jessica Sagasser
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck , University of Innsbruck, CCB-Center for Chemistry and Biomedicine , Innrain 80-82 , 6020 Innsbruck , Austria
| | - Benjamin N Ma
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck , University of Innsbruck, CCB-Center for Chemistry and Biomedicine , Innrain 80-82 , 6020 Innsbruck , Austria
| | - Daniel Baecker
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck , University of Innsbruck, CCB-Center for Chemistry and Biomedicine , Innrain 80-82 , 6020 Innsbruck , Austria
| | - Stefan Salcher
- Tyrolean Cancer Research Institute , Innrain 66 , 6020 Innsbruck , Austria
| | - Martin Hermann
- Department of Anesthesiology and Critical Care Medicine , Medical University Innsbruck , Anichstraße 35 , 6020 Innsbruck , Austria
| | - Julia Lamprecht
- Tyrolean Cancer Research Institute , Innrain 66 , 6020 Innsbruck , Austria
| | - Stefanie Angerer
- Tyrolean Cancer Research Institute , Innrain 66 , 6020 Innsbruck , Austria.,Immunobiology and Stem Cell Laboratory, Department of Internal Medicine V (Hematology and Oncology) , Medical University Innsbruck , Anichstraße 35 , 6020 Innsbruck , Austria
| | - Petra Obexer
- Tyrolean Cancer Research Institute , Innrain 66 , 6020 Innsbruck , Austria.,Department of Pediatrics II , Medical University Innsbruck , Innrain 66 , 6020 Innsbruck , Austria
| | - Brigitte Kircher
- Tyrolean Cancer Research Institute , Innrain 66 , 6020 Innsbruck , Austria.,Immunobiology and Stem Cell Laboratory, Department of Internal Medicine V (Hematology and Oncology) , Medical University Innsbruck , Anichstraße 35 , 6020 Innsbruck , Austria
| | - Ronald Gust
- Department of Pharmaceutical Chemistry, Institute of Pharmacy, CMBI-Center for Molecular Biosciences Innsbruck , University of Innsbruck, CCB-Center for Chemistry and Biomedicine , Innrain 80-82 , 6020 Innsbruck , Austria
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6
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Deng J, Yu P, Zhang Z, Zhang J, Zhewen S, Cai M, Yuan H, Liang H, Yang F. Novel Pt(ii) complexes with modified aroyl-hydrazone Schiff-base ligands: synthesis, cytotoxicity and action mechanism. Metallomics 2019; 11:1847-1863. [DOI: 10.1039/c9mt00193j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The complex-induced apoptosis of cancer cells via: (1) the mitochondrial pathway; (2) inserting into and cleaving DNA; and (3) inhibiting telomerase.
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Affiliation(s)
- Jungang Deng
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | - Ping Yu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | - Zhenlei Zhang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | - Juzheng Zhang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | - Sun Zhewen
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | - Meiling Cai
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | | | - Hong Liang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
| | - Feng Yang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Ministry of Science and Technology of China
- Guangxi Normal University
- Guilin
- China
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7
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Hadian Rasanani S, Eslami Moghadam M, Soleimani E, Divsalar A, Tarlani A. Improving activity of anticancer oxalipalladium analog by the modification of oxalate group with isopentylglycine. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1395417] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Sara Hadian Rasanani
- Inorganic Chemistry Research Laboratory, Faculty of Chemistry, Shahrood University of Technology, Shahrood, Iran
| | | | - Esmaiela Soleimani
- Inorganic Chemistry Research Laboratory, Faculty of Chemistry, Shahrood University of Technology, Shahrood, Iran
| | - Adeleh Divsalar
- Faculty of Biological Sciences, Department of Cell & Molecular Biology, Kharazmi University, Tehran, Iran
| | - Aliakbar Tarlani
- Chemistry & Chemical Engineering Research Center of Iran, Tehran, Iran
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8
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Majumder S, Pasayat S, Panda AK, Dash SP, Roy S, Biswas A, Varma ME, Joshi BN, Garribba E, Kausar C, Patra SK, Kaminsky W, Crochet A, Dinda R. Monomeric and Dimeric Oxidomolybdenum(V and VI) Complexes, Cytotoxicity, and DNA Interaction Studies: Molybdenum Assisted C═N Bond Cleavage of Salophen Ligands. Inorg Chem 2017; 56:11190-11210. [DOI: 10.1021/acs.inorgchem.7b01578] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Sudarshana Majumder
- Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India
| | - Sagarika Pasayat
- Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India
| | - Alok K. Panda
- School of Basic
Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar 751013, Odisha, India
| | - Subhashree P. Dash
- Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India
- Department of Basic Sciences, Paralamaharaja Engineering College, Sitalapalli, Brahmapur, Odisha 761003, India
| | - Satabdi Roy
- Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India
| | - Ashis Biswas
- School of Basic
Sciences, Indian Institute of Technology Bhubaneswar, Bhubaneswar 751013, Odisha, India
| | - Mokshada E. Varma
- Bioprospecting
Group, Agharkar Research Institute, G.G. Agharkar Road, Pune 411004, India
| | - Bimba N. Joshi
- Bioprospecting
Group, Agharkar Research Institute, G.G. Agharkar Road, Pune 411004, India
| | - Eugenio Garribba
- Dipartimento di Chimica e Farmacia, Università di Sassari, Via Vienna
2, I-07100 Sassari, Italy
| | - Chahat Kausar
- Department of Life Science, National Institute of Technology, Rourkela 769008, Odisha, India
| | - Samir Kumar Patra
- Department of Life Science, National Institute of Technology, Rourkela 769008, Odisha, India
| | - Werner Kaminsky
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195, United States
| | - Aurélien Crochet
- Department of Chemistry, Fribourg Center
for Nanomaterials, University of Fribourg, CH-1700 Fribourg, Switzerland
| | - Rupam Dinda
- Department of Chemistry, National Institute of Technology, Rourkela 769008, Odisha, India
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9
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Frontier of Development for Metallodrugs on the Basis of Metallomic Pharmacology and Medicinal Inorganic Chemistry. Metallomics 2017. [DOI: 10.1007/978-4-431-56463-8_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Proetto MT, Anderton CR, Hu D, Szymanski CJ, Zhu Z, Patterson JP, Kammeyer JK, Nilewski LG, Rush AM, Bell NC, Evans JE, Orr G, Howell SB, Gianneschi NC. Cellular Delivery of Nanoparticles Revealed with Combined Optical and Isotopic Nanoscopy. ACS NANO 2016; 10:4046-54. [PMID: 27022832 PMCID: PMC8459375 DOI: 10.1021/acsnano.5b06477] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Direct polymerization of an oxaliplatin analogue was used to reproducibly generate amphiphiles in one pot, which consistently and spontaneously self-assemble into well-defined nanoparticles (NPs). Despite inefficient drug leakage in cell-free assays, the NPs were observed to be as cytotoxic as free oxaliplatin in cell culture experiments. We investigated this phenomenon by super-resolution fluorescence structured illumination microscopy (SIM) and nanoscale secondary ion mass spectrometry (NanoSIMS). In combination, these techniques revealed NPs are taken up via endocytic pathways before intracellular release of their cytotoxic cargo. As with other drug-carrying nanomaterials, these systems have potential as cellular delivery vehicles. However, high-resolution methods to track nanocarriers and their cargo at the micro- and nanoscale have been underutilized in general, limiting our understanding of their interactions with cells and tissues. We contend this type of combined optical and isotopic imaging strategy represents a powerful and potentially generalizable methodology for cellular tracking of nanocarriers and their cargo.
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Affiliation(s)
- Maria T. Proetto
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Christopher R. Anderton
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Dehong Hu
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Craig J. Szymanski
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Zihua Zhu
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Joseph P. Patterson
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Jacquelin K. Kammeyer
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Lizanne G. Nilewski
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Anthony M. Rush
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Nia C. Bell
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - James E. Evans
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Galya Orr
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Stephen B. Howell
- Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, United States
| | - Nathan C. Gianneschi
- Department of Chemistry & Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
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11
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Fanelli M, Formica M, Fusi V, Giorgi L, Micheloni M, Paoli P. New trends in platinum and palladium complexes as antineoplastic agents. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.11.004] [Citation(s) in RCA: 165] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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Würtenberger I, Follia V, Lerch F, Cwikla C, Fahrner N, Kalchschmidt C, Flögel B, Kircher B, Gust R. Fluorinated Fe(III) Salophene Complexes: Optimization of Tumor Cell Specific Activity and Utilization of Fluorine Labeling for in Vitro Analysis. J Med Chem 2014; 58:588-97. [DOI: 10.1021/jm500986h] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Irene Würtenberger
- Department
of Pharmaceutical Chemistry, Institute of Pharmacy, Center for Molecular
Biosciences Innsbruck, CCB—Centrum for Chemistry and Biomedicine, Universität Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Valeria Follia
- Department
of Pharmaceutical Chemistry, Institute of Pharmacy, Center for Molecular
Biosciences Innsbruck, CCB—Centrum for Chemistry and Biomedicine, Universität Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Fanni Lerch
- Department
of Pharmaceutical Chemistry, Institute of Pharmacy, Center for Molecular
Biosciences Innsbruck, CCB—Centrum for Chemistry and Biomedicine, Universität Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Christiane Cwikla
- Pharmazeutische
Chemie, Institut für Pharmazie, Freie Universität Berlin, Königin-Luise-Strasse 2+4, 14195 Berlin, Germany
| | - Nathalie Fahrner
- Department
of Pharmaceutical Chemistry, Institute of Pharmacy, Center for Molecular
Biosciences Innsbruck, CCB—Centrum for Chemistry and Biomedicine, Universität Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Christina Kalchschmidt
- Department
of Pharmaceutical Chemistry, Institute of Pharmacy, Center for Molecular
Biosciences Innsbruck, CCB—Centrum for Chemistry and Biomedicine, Universität Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
| | - Brigitte Flögel
- Immunobiology
and Stem Cell Laboratory, Department of Internal Medicine V (Hematology
and Oncology), Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
- Tyrolean Cancer Research Institute, Innrain 66, 6020 Innsbruck, Austria
| | - Brigitte Kircher
- Immunobiology
and Stem Cell Laboratory, Department of Internal Medicine V (Hematology
and Oncology), Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria
- Tyrolean Cancer Research Institute, Innrain 66, 6020 Innsbruck, Austria
| | - Ronald Gust
- Department
of Pharmaceutical Chemistry, Institute of Pharmacy, Center for Molecular
Biosciences Innsbruck, CCB—Centrum for Chemistry and Biomedicine, Universität Innsbruck, Innrain 80/82, 6020 Innsbruck, Austria
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