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Sharma N, Jose DA, Jain N, Parmar S, Srivastav A, Chawla J, Naziruddin AR, Mariappan CR. Regulation of Nitric Oxide (NO) Release by Membrane Fluidity in Ruthenium Nitrosyl Complex-Embedded Phospholipid Vesicles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:13602-13612. [PMID: 36283057 DOI: 10.1021/acs.langmuir.2c02457] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Incorporating water-insoluble nitric oxide (NO)-releasing molecules into biocompatible vesicles may allow for the tunable control of NO release on a specific target site. In vesicles, membrane fluidity plays an important role and influences the final therapeutic efficiency of drugs loaded into the vesicles. Hence, we aimed to investigate the effect of lipid fluidity on the NO release behavior of the photo-controllable ruthenium nitrosyl (Ru-NO) complex. In this regard, a new photoactive ruthenium nitrosyl complex (L.Ru-NO) with amphiphilic terpyridine ligand was synthesized and characterized in detail. L.Ru-NO was incorporated with commercial phospholipids to form nanoscale vesicles L.Ru-NO@Lip. The photoactive {Ru-NO}6 type complex released NO in the organic solvent CH3CN and aqueous liposome solution by irradiating under low-intensity blue light (λ = 410 nm, 3 W). To demonstrate the effect of lipid structure and fluidity on NO release, four different liposome systems L.Ru-NO@Lip1-4 were prepared by using phospholipids such as DOPC, DSPC, DPPC, and DMPC having different chain lengths and saturation. The NO-releasing abilities of these liposomes in aqueous medium were studied by UV-vis spectrum, colorimetric Greiss, and fluorescent DAF assay. The results show that the rate of NO release could be easily tuned by varying the lipid fluidity. The effect of temperature and pH on NO release was also studied. Further, the complex L.Ru-NO and liposomes L.Ru-NO@Lip1 were assayed as an antibacterial agent against the strains of bacteria Escherichia coli and Staphylococcus aureus.
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Affiliation(s)
- Nancy Sharma
- Department of Chemistry, National Institute of Technology Kurukshetra, Kurukshetra136119, Haryana, India
| | - D Amilan Jose
- Department of Chemistry, National Institute of Technology Kurukshetra, Kurukshetra136119, Haryana, India
| | - Nimisha Jain
- Inorganic Materials and Catalysis Laboratory, Department of Chemistry, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur302017, India
| | - Shubhangi Parmar
- Microbiology Department, Parul Institute of Applied Sciences, Parul University, WaghodiaVadodara391760, Gujarat, India
| | - Anupama Srivastav
- Microbiology Department, Parul Institute of Applied Sciences, Parul University, WaghodiaVadodara391760, Gujarat, India
| | - Jaya Chawla
- Microbiology Department, Parul Institute of Applied Sciences, Parul University, WaghodiaVadodara391760, Gujarat, India
| | - Abbas Raja Naziruddin
- Inorganic Materials and Catalysis Laboratory, Department of Chemistry, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur302017, India
| | - C R Mariappan
- Department of Physics, National Institute of Technology Kurukshetra, Kurukshetra136119, Haryana, India
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2
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Ratnam A, Kumari S, Singh S, Mawai K, Kumar R, Singh UP, Ghosh K. Unprecedented cleavage of -N-N- bond of ligand and phenyl ring nitration during nitric oxide (NO) reactivity studies: new ruthenium nitrosyl complex and photoinduced liberation of NO. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2141115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anand Ratnam
- Department of Chemistry, DDU Gorakhpur University, Gorakhpur, India
| | - Sheela Kumari
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
| | - Sain Singh
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
| | - Kiran Mawai
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
| | - Rajan Kumar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
| | - U. P. Singh
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
| | - Kaushik Ghosh
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee, India
- Department of Bioscience and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, India
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3
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Kumbhakar S, Gupta P, Giri B, Muley A, Karumban KS, Misra A, Maji S. Photolability of NO in ruthenium nitrosyls with pentadentate ligand induces exceptional cytotoxicity towards VCaP, 22Rv1 and A549 cancer cells under therapeutic condition. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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4
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Liu C, Wang Y, Wang A, Su F, Wang H. Structures, spectral and photodynamic properties of two nitrosylruthenium (II) isomer complexes containing 8-quinolinolate and L-proline ligands. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
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5
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Stepanenko I, Zalibera M, Schaniel D, Telser J, Arion V. Ruthenium-nitrosyl complexes as NO-releasing molecules and potential anticancer drugs. Dalton Trans 2022; 51:5367-5393. [DOI: 10.1039/d2dt00290f] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of new types of mono- and polynuclear ruthenium nitrosyl complexes is driving progress in the field of NO generation for a variety of applications. Light-induced Ru-NO bond dissociation...
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Lehnert N, Kim E, Dong HT, Harland JB, Hunt AP, Manickas EC, Oakley KM, Pham J, Reed GC, Alfaro VS. The Biologically Relevant Coordination Chemistry of Iron and Nitric Oxide: Electronic Structure and Reactivity. Chem Rev 2021; 121:14682-14905. [PMID: 34902255 DOI: 10.1021/acs.chemrev.1c00253] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Nitric oxide (NO) is an important signaling molecule that is involved in a wide range of physiological and pathological events in biology. Metal coordination chemistry, especially with iron, is at the heart of many biological transformations involving NO. A series of heme proteins, nitric oxide synthases (NOS), soluble guanylate cyclase (sGC), and nitrophorins, are responsible for the biosynthesis, sensing, and transport of NO. Alternatively, NO can be generated from nitrite by heme- and copper-containing nitrite reductases (NIRs). The NO-bearing small molecules such as nitrosothiols and dinitrosyl iron complexes (DNICs) can serve as an alternative vehicle for NO storage and transport. Once NO is formed, the rich reaction chemistry of NO leads to a wide variety of biological activities including reduction of NO by heme or non-heme iron-containing NO reductases and protein post-translational modifications by DNICs. Much of our understanding of the reactivity of metal sites in biology with NO and the mechanisms of these transformations has come from the elucidation of the geometric and electronic structures and chemical reactivity of synthetic model systems, in synergy with biochemical and biophysical studies on the relevant proteins themselves. This review focuses on recent advancements from studies on proteins and model complexes that not only have improved our understanding of the biological roles of NO but also have provided foundations for biomedical research and for bio-inspired catalyst design in energy science.
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Affiliation(s)
- Nicolai Lehnert
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Eunsuk Kim
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Hai T Dong
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Jill B Harland
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Andrew P Hunt
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Elizabeth C Manickas
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Kady M Oakley
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - John Pham
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Garrett C Reed
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Victor Sosa Alfaro
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
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7
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Mikhailov AA, Woike T, Gansmüller A, Schaniel D, Kostin GA. Photoinduced linkage isomers in a model ruthenium nitrosyl complex: Identification and assignment of vibrational modes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 263:120217. [PMID: 34343843 DOI: 10.1016/j.saa.2021.120217] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/30/2021] [Accepted: 07/17/2021] [Indexed: 06/13/2023]
Abstract
Photoinduced NO-linkage isomers were investigated in the solid state of labelled trans-[Ru(14/15NO)(py4)F](ClO4)2 complex by combined IR-spectroscopy and DFT calculations. Based on the experimental data and the DFT calculations of this isotopically labelled 14/15NO nitrosyl compound, we present a complete assignment of the vibrational bands of three nitrosyl linkage isomers in a range from 4000 to 200 cm-1. The calculated IR-spectra match well with the experimental data allowing reliable assignment of the vibrational bands. The structural change from the Ru-NO (GS) to the Ru-ON (MS1) and Ru-η2-(NO) (MS2) linkage configuration leads to the downshift of the ν(NO) and ν(Ru-(NO)) bands, and a corresponding increase of the energy of the ν(Ru-F) band. The shift of the bands corresponds to the change of the Ru-(NO) and Ru-F bond lengths: increase of the Ru-(NO) bond length leads to the decrease of the energy of the ν(Ru-(NO)) band; decrease of the Ru-F bond length leads to the increase of the energy of the ν(Ru-F) band. These observations can be extrapolated to the family of related nitrosyl complexes and therefore be used for the qualitative prediction of the Ru-(NO) and Ru-Ltrans-to-NO bond lengths of different linkage isomers in the framework of one complex. While the formation of linkage isomers is a reversible process, long-time irradiation sometimes induces irreversible reactions such as the release of NO. Here, we show that the photolysis of trans-[Ru(14/15NO)(py4)F](ClO4)2 in KBr pellets may lead to the release of nitrous oxide N2O, conceivably through the formation of a {Ru-(κ2-ONNO)} intermediate.
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Affiliation(s)
- Artem A Mikhailov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 Acad. Lavrentiev Avenue, Novosibirsk 630090, Russian Federation
| | - Theo Woike
- Université de Lorraine, CNRS, CRM2, UMR 7036, Nancy 54000, France
| | - Axel Gansmüller
- Université de Lorraine, CNRS, CRM2, UMR 7036, Nancy 54000, France
| | - Dominik Schaniel
- Université de Lorraine, CNRS, CRM2, UMR 7036, Nancy 54000, France
| | - Gennadiy A Kostin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3 Acad. Lavrentiev Avenue, Novosibirsk 630090, Russian Federation
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8
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Guadalupe Hernández J, Thangarasu P. A critical evaluation of [ML(ONO)]+ (M = Fe, Ru, Os) as nitric oxide precursor influenced by spin multiplicity and geometrical parameters (M-O-NO and MO-N-O) for the NO release: A theoretical study. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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9
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Xie L, Bai H, Song L, Liu C, Gong W, Wang W, Zhao X, Takemoto C, Wang H. Structural and Photodynamic Studies on Nitrosylruthenium-Complexed Serum Albumin as a Delivery System for Controlled Nitric Oxide Release. Inorg Chem 2021; 60:8826-8837. [PMID: 34060309 DOI: 10.1021/acs.inorgchem.1c00762] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
How to deliver nitric oxide (NO) to a physiological target and control its release quantitatively is a key issue for biomedical applications. Here, a water-soluble nitrosylruthenium complex, [(CH3)4N][RuCl3(5cqn)(NO)] (H5cqn = 5-chloro-8-quinoline), was synthesized, and its structure was confirmed with 1H NMR and X-ray crystal diffraction. Photoinduced NO release was investigated with time-resolved Fourier transform infrared and electron paramagnetic resonance (EPR) spectroscopies. The binding constant of the [RuCl3(5cqn)(NO)]- complex with human serum albumin (HSA) was determined by fluorescence spectroscopy, and the binding mode was identified by X-ray crystallography of the HSA and Ru-NO complex adduct. The crystal structure reveals that two molecules of the Ru-NO complex are located in the subdomain IB, which is one of the major drug binding regions of HSA. The chemical structures of the Ru complexes were [RuCl3(5cqn)(NO)]- and [RuCl3(Glycerin)NO]-, in which the electron densities for all ligands to Ru are unambiguously identified. EPR spin-trapping data showed that photoirradiation triggered NO radical generation from the HSA complex adduct. Moreover, the near-infrared image of exogenous NO from the nitrosylruthenium complex in living cells was observed using a NO-selective fluorescent probe. This study provides a strategy to design an appropriate delivery system to transport NO and metallodrugs in vivo for potential applications.
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Affiliation(s)
- Leilei Xie
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Hehe Bai
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Luna Song
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Chenyang Liu
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Wenjun Gong
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Wenming Wang
- Key Laboratory of Pharmaceutical Biotechnology of Shanxi Provence, Shanxi, Taiyuan 030006, China
| | - Xuan Zhao
- Department of Chemistry, University of Memphis, Memphis, Tennessee 38152, United States
| | - Chie Takemoto
- RIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa 230-0045, Japan
| | - Hongfei Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
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10
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Song L, Bai H, Liu C, Gong W, Wang A, Wang L, Zhao Y, Zhao X, Wang H. Synthesis, Biomacromolecular Interactions, Photodynamic NO Releasing and Cellular Imaging of Two [RuCl(qn)(Lbpy)(NO)]X Complexes. Molecules 2021; 26:molecules26092545. [PMID: 33925453 PMCID: PMC8123785 DOI: 10.3390/molecules26092545] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/22/2021] [Accepted: 04/22/2021] [Indexed: 11/16/2022] Open
Abstract
Two light-activated NO donors [RuCl(qn)(Lbpy)(NO)]X with 8-hydroxyquinoline (qn) and 2,2′-bipyridine derivatives (Lbpy) as co-ligands were synthesized (Lbpy1 = 4,4′-dicarboxyl-2,2′-dipyridine, X = Cl− and Lbpy2 = 4,4′-dimethoxycarbonyl-2,2′-dipyridine, X = NO3−), and characterized using ultraviolet–visible (UV-vis) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, nuclear magnetic resonance (1H NMR), elemental analysis and electrospray ionization mass spectrometry (ESI-MS) spectra. The [RuCl(qn)(Lbpy2)(NO)]NO3 complex was crystallized and exhibited distorted octahedral geometry, in which the Ru–N(O) bond length was 1.752(6) Å and the Ru–N–O angle was 177.6(6)°. Time-resolved FT-IR and electron paramagnetic resonance (EPR) spectra were used to confirm the photoactivated NO release of the complexes. The binding constant (Kb) of two complexes with human serum albumin (HSA) and DNA were quantitatively evaluated using fluorescence spectroscopy, Ru-Lbpy1 (Kb~106 with HSA and ~104 with DNA) had higher affinity than Ru-Lbpy2. The interactions between the complexes and HSA were investigated using matrix assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF-MS) and EPR spectra. HSA can be used as a carrier to facilitate the release of NO from the complexes upon photoirradiation. The confocal imaging of photo-induced NO release in living cells was successfully observed with a fluorescent NO probe. Moreover, the photocleavage of pBR322 DNA for the complexes and the effect of different Lbpy substituted groups in the complexes on their reactivity were analyzed.
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Affiliation(s)
- Luna Song
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China; (L.S.); (H.B.); (C.L.); (W.G.); (A.W.)
- Institute of Environmental Science, College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China;
| | - Hehe Bai
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China; (L.S.); (H.B.); (C.L.); (W.G.); (A.W.)
- Institute of Environmental Science, College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China;
| | - Chenyang Liu
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China; (L.S.); (H.B.); (C.L.); (W.G.); (A.W.)
| | - Wenjun Gong
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China; (L.S.); (H.B.); (C.L.); (W.G.); (A.W.)
| | - Ai Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China; (L.S.); (H.B.); (C.L.); (W.G.); (A.W.)
| | - Li Wang
- Institute of Environmental Science, College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China;
| | - Yi Zhao
- Shanxi Key Laboratory of Pharmaceutical Biotechnology, Taiyuan 030006, China;
| | - Xuan Zhao
- Department of Chemistry, University of Memphis, Memphis, TN 38152, USA;
| | - Hongfei Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China; (L.S.); (H.B.); (C.L.); (W.G.); (A.W.)
- Institute of Environmental Science, College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China;
- Correspondence: ; Tel./Fax: +86-351-7010699
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11
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Understanding of [RuL(ONO)] n+ acting as nitric oxide precursor, a theoretical study of ruthenium complexes of 1,4,8,11-tetraazacyclo- tetradecane having different substituents: How spin multiplicity influences bond angle and bond lengths (Ru-O-NO) in releasing of NO. J Inorg Biochem 2021; 218:111406. [PMID: 33773324 DOI: 10.1016/j.jinorgbio.2021.111406] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 02/19/2021] [Accepted: 02/19/2021] [Indexed: 12/25/2022]
Abstract
Generation of nitric oxide has been a great interest in cell biology as it involves a wide range of physiological functions including the blood pressure control; thus the exploitation of ruthenium chemistry has been motivated in biochemical and clinical points of view. Herein, the structural and electronic properties of ruthenium(II) complexes of 1,4,8,11-tetraazacyclotetradecane containing pyridyl, imidazole and benzimidazole (L1, L2, L3) were analyzed theoretically in the context of how spin multiplicity plays a crucial role influencing the NO release from the LRu-ONO moiety. The results show that β-cleavage of nitrito in the complex motivates the release of NO as it depends highly on total spin multiplicity of metal ion altering significantly the geometrical parameters; particularly, a decrease of bond length of Ru-ONO is highly associated with an increase of RuO-NO bond distance that correlates with the decrease of the Ru-O-NO bond angle ultimately leading to the release of NO; apparently, the bending nature of Ru-O-NO defines its release from the complex. This is consistent with orbital energy (dx2-y2) where the stabilization of axial Ru-O bond in the complex was observed, and proved by molecular orbital studies. In the excitation of the complex (singlet to triplet or singlet to quintet), the NO release has been facilitated, agreeing with the Gibbs free energy data where a lower energy for NO release was obtained compared to other types of excitations. In the calculated electronic spectra, a visible broad band with relatively high intensity for [RuL1ONO]+ was observed, agreeing approximately with reported experimental results.
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Giri B, Saini T, Kumbhakar S, Selvan K K, Muley A, Misra A, Maji S. Near-IR light-induced photorelease of nitric oxide (NO) on ruthenium nitrosyl complexes: formation, reactivity, and biological effects. Dalton Trans 2020; 49:10772-10785. [PMID: 32706352 DOI: 10.1039/d0dt01788d] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polypyridyl backbone nitrosyl complexes of ruthenium with the molecular framework [RuII(antpy)(bpy)NO+/˙]n+ [4](PF6)3 (n = 3), [4](PF6)2 (n = 2), where antpy = 4'-(anthracene-9-yl)-2,2':6',2''-terpyridine and bpy = 2,2'-bipyridine, were synthesized via a stepwise synthetic route from the chloro precursor [RuII(antpy)(bpy)(Cl)](PF6) [1](PF6) and [RuII(antpy)(bpy)(CH3CN)](PF6)2 [2](PF6)2 and [RuII(antpy)(bpy)(NO2)](PF6) [3](PF6). After column chromatographic purification, all the synthesized complexes were fully characterized using different spectroscopic and analytical techniques including mass spectroscopy, 1H NMR, FT-IR and UV-vis spectrophotometry. The Ru-NO stretching frequency of [4](PF6)3 was observed at 1941 cm-1, which suggests moderately strong Ru-NO bonding. A massive shift in the νNO frequency occurred at Δν = 329 cm-1 (solid) upon reducing [4](PF6)3 to [4](PF6)2. To understand the molecular integrity of the complexes, the structure of [3](PF6) was successfully determined by X-ray crystallography. The redox properties of [4](PF6)3 were thoroughly investigated together with the other precursor complexes. The rate constants for the first-order photo-release of NO from [4](PF6)3 and [4](PF6)2 were determined to be 8.01 × 10-3 min-1 (t1/2 ∼ 86 min) and 3.27 × 10-2 min-1 (t1/2 ∼ 21 min), respectively, when exposed to a 200 W Xenon light. Additionally, the photo-cleavage of Ru-NO occurred within ∼2 h when [4](PF6)3 was irradiated with an IR light source (>700 nm) at room temperature. The first-order rate constant of 9.4 × 10-3 min-1 (t1/2 ∼ 73 min) shows the efficacy of the system and its capability to release NO in the photo-therapeutic window. The released NO triggered by light was trapped by reduced myoglobin, a biologically relevant target protein. The one-electron reduction of [4](PF6)3 to [4](PF6)2 was systematically carried out chemically (hydrazine hydrate), electrochemically and biologically. In the biological reduction, it was found that the reduction is much slower with double-stranded DNA compared to a single-stranded oligonucleotide (CAAGGCCAACCGCGAGAAGATGAC). Moreover, [4](PF6)3 exhibited significant photo-toxicity to the VCaP prostate cancer cell line upon irradiation with a visible light source (IC50 ∼ 8.97 μM).
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Affiliation(s)
- Bishnubasu Giri
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
| | - Taruna Saini
- Department of Biotechnology, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India
| | - Sadananda Kumbhakar
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
| | - Kalai Selvan K
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
| | - Arabinda Muley
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
| | - Ashish Misra
- Department of Biotechnology, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India
| | - Somnath Maji
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
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Song L, Xie L, Xu L, Jing Q, Liu C, Xi X, Wang W, Zhao Y, Zhao X, Wang H. Syntheses, spectra, photoinduced nitric oxide release and interactions with biomacromolecules of three nitrosylruthenium complexes. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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14
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Giri B, Kumbhakar S, Kalai Selvan K, Muley A, Maji S. Formation, reactivity, photorelease, and scavenging of NO in ruthenium nitrosyl complexes. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119360] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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15
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Mikhailov AA, Komarov VY, Sukhikh AS, Pishchur DP, Schaniel D, Kostin GA. The impact of counterion on the metastable state properties of nitrosyl ruthenium complexes. NEW J CHEM 2020. [DOI: 10.1039/d0nj04436a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Complexes of the trans-[RuNO(NH3)4F]2+ cation with noble-metal anions [PtCl6]2−, [PdCl4]2−, and [PtCl4]2−, and perchlorate ClO4− were synthesized, the photo-generated linkage isomers were studied by spectroscopic and calorimetric methods.
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Affiliation(s)
- Artem A. Mikhailov
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- Novosibirsk 630090
- Russian Federation
| | - Vladislav Yu. Komarov
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- Novosibirsk 630090
- Russian Federation
| | - Aleksandr S. Sukhikh
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- Novosibirsk 630090
- Russian Federation
| | - Denis P. Pishchur
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- Novosibirsk 630090
- Russian Federation
| | | | - Gennadiy A. Kostin
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- Novosibirsk 630090
- Russian Federation
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16
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Makhinya AN, Eremina JA, Sukhikh TS, Baidina IA, Il'in MA, Klyushova LS, Lider EV. Cytotoxicity and Crystal Structures of Nitrosoruthenium Complexes mer‐[Ru(NO)Py
2
Cl
3
] and mer‐[Ru(NO)(γ‐Pic)
2
Cl
3
]. ChemistrySelect 2019. [DOI: 10.1002/slct.201900111] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Alexander N. Makhinya
- Nikolaev Institute of Inorganic ChemistrySiberian Branch of the Russian Academy of Sciences Akad. Lavrentiev Ave.3 Novosibirsk 630090 Russia
- Novosibirsk State University Pirogova Str.1 Novosibirsk 630090 Russia
| | - Julia A. Eremina
- Nikolaev Institute of Inorganic ChemistrySiberian Branch of the Russian Academy of Sciences Akad. Lavrentiev Ave.3 Novosibirsk 630090 Russia
- Novosibirsk State University Pirogova Str.1 Novosibirsk 630090 Russia
- Federal Research Center of Fundamental and Translational Medicine 2/12 Timakova str. 630117 Novosibirsk Russia
| | - Taisiya S. Sukhikh
- Nikolaev Institute of Inorganic ChemistrySiberian Branch of the Russian Academy of Sciences Akad. Lavrentiev Ave.3 Novosibirsk 630090 Russia
- Novosibirsk State University Pirogova Str.1 Novosibirsk 630090 Russia
| | - Iraida A. Baidina
- Nikolaev Institute of Inorganic ChemistrySiberian Branch of the Russian Academy of Sciences Akad. Lavrentiev Ave.3 Novosibirsk 630090 Russia
| | - Maxim A. Il'in
- Nikolaev Institute of Inorganic ChemistrySiberian Branch of the Russian Academy of Sciences Akad. Lavrentiev Ave.3 Novosibirsk 630090 Russia
- Novosibirsk State University Pirogova Str.1 Novosibirsk 630090 Russia
| | - Lyubov S. Klyushova
- Federal Research Center of Fundamental and Translational Medicine 2/12 Timakova str. 630117 Novosibirsk Russia
| | - Elizaveta V. Lider
- Nikolaev Institute of Inorganic ChemistrySiberian Branch of the Russian Academy of Sciences Akad. Lavrentiev Ave.3 Novosibirsk 630090 Russia
- Novosibirsk State University Pirogova Str.1 Novosibirsk 630090 Russia
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17
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Alimoradi H, Barzegar-Fallah A, Sammut IA, Greish K, Giles GI. Encapsulation of tDodSNO generates a photoactivated nitric oxide releasing nanoparticle for localized control of vasodilation and vascular hyperpermeability. Free Radic Biol Med 2019; 130:297-305. [PMID: 30367997 DOI: 10.1016/j.freeradbiomed.2018.10.433] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/07/2018] [Accepted: 10/18/2018] [Indexed: 11/25/2022]
Abstract
We report the synthesis and characterization of a photoactive nitric oxide (NO) releasing nanoparticle (NP) by encapsulation of the NO donor tert-dodecane S-nitrosothiol (tDodSNO) into a co-polymer of styrene and maleic anhydride (SMA) to afford SMA-tDodSNO. Encapsulation did not affect tDodSNO's stability or NO release profile, but imparted water solubility and protection from degradation reactions with glutathione. Under photoactivation the NP acted as a potent NO donor, with photoactivation acting as a switch to induce localized vasodilation in aortic rings (EC50* 660 nM at 2700 W/m2) and cause vascular hyperpermeability in mesenteric beds (8-fold increase in dye uptake at 1 µM SMA-tDodSNO with 460 W/m2 photoactivation). The NP was markedly superior as a photoactive NO donor in comparison to the S-nitrosothiols GSNO and SNAP, which are commonly used in experimental studies, as well as sodium nitroprusside, a clinically used vasodilator. Future development of this NP may find wide ranging therapeutic applications for treating cardiovascular disease and other disorders related to NO signaling, as well as enhancing macromolecular drug delivery to target organs through selective hyperpermeability. Supporting information describing the biophysical characterization of SMA-tDodSNO is supplied in an accompanying Data in Brief article (Alimoradi et al., doi: 10.1016/j.dib.2018.10.149).
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Affiliation(s)
- Houman Alimoradi
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Anita Barzegar-Fallah
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Ivan A Sammut
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Khaled Greish
- College of Medicine and Medical Sciences, Department of Molecular Medicine, Nanomedicine Unit, Princess Al-Jawhara Center for Molecular Medicine and Inherited Disorders, Arabian Gulf University, Manama, Bahrain
| | - Gregory I Giles
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand.
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18
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Roveda AC, Santos WG, Souza ML, Adelson CN, Gonçalves FS, Castellano EE, Garino C, Franco DW, Cardoso DR. Light-activated generation of nitric oxide (NO) and sulfite anion radicals (SO3˙−) from a ruthenium(ii) nitrosylsulphito complex. Dalton Trans 2019; 48:10812-10823. [DOI: 10.1039/c9dt01432b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
This manuscript describes the preparation of a new Ru(ii) nitrosylsulphito complex,trans-[Ru(NH3)4(isn)(N(O)SO3)]+(complex1), its spectroscopic and structural characterization, photochemistry, and thermal reactivity.
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Affiliation(s)
- Antonio C. Roveda
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | - Willy G. Santos
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | - Maykon L. Souza
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | | | | | | | - Claudio Garino
- Dept. of Chemistry and NIS Interdepartmental Centre
- University of Turin
- Italy
| | - Douglas W. Franco
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
| | - Daniel R. Cardoso
- São Carlos Institute of Chemistry
- University of São Paulo
- São Carlos
- Brazil
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19
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Kostin GA, Borodin AO, Kuratieva NV, Mikhailov AA, Plusnin PE. Synthesis, structure and properties of (NH4)2[RuNO(NO2)4OH] and NH4[RuNO(L)(NO2)3OH] (L=NH3, Py). J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.08.105] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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20
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The Structures, Spectroscopic Properties, and Photodynamic Reactions of Three [RuCl(QN)NO] - Complexes (HQN = 8-Hydroxyquinoline and Its Derivatives) as Potential NO-Donating Drugs. Bioinorg Chem Appl 2018; 2018:7029376. [PMID: 30627138 PMCID: PMC6305033 DOI: 10.1155/2018/7029376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 05/21/2018] [Accepted: 10/02/2018] [Indexed: 01/09/2023] Open
Abstract
The structures and spectral properties of three ruthenium complexes with 8-hydroxyquinoline (Hhqn) and their derivatives 2-methyl-8-quinolinoline (H2mqn) and 2-chloro-8-quiolinoline (H2cqn) as ligands (QN = hqn, 2mqn, or 2cqn) were calculated with density functional theory (DFT) at the B3LYP level. The UV-Vis and IR spectra of the three [RuCl(QN)NO]− complexes were theoretically assigned via DFT calculations. The calculated spectra reasonably correspond to the experimentally measured spectra. Photoinduced NO release was confirmed through spin trapping of the electron paramagnetic resonance spectroscopy (EPR), and the dynamic process of the NO dissociation upon photoirradiation was monitored using time-resolved infrared (IR) spectroscopy. Moreover, the energy levels and related components of frontier orbitals were further analyzed to understand the electronic effects of the substituent groups at the 2nd position of the ligands on their photochemical reactivity. This study provides the basis for the design of NO donors with potential applications in photodynamic therapy.
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21
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Metal complex strategies for photo-uncaging the small molecule bioregulators nitric oxide and carbon monoxide. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.07.018] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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22
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Data characterizing the biophysical and nitric oxide release properties of the tDodSNO - Styrene maleic anhydride nanoparticle SMA-tDodSNO. Data Brief 2018; 21:1771-1775. [PMID: 30505914 PMCID: PMC6249518 DOI: 10.1016/j.dib.2018.10.149] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 10/26/2018] [Accepted: 10/30/2018] [Indexed: 12/17/2022] Open
Abstract
Nitric oxide (NO) donor drugs have a range of clinical applications, and are also being developed as therapeutics for the potential treatment of multiple diseases. This article presents data describing the synthesis and characterisation of a novel NO releasing nanoparticle formed by encapsulation of the NO donor tDodSNO into a co-polymer of styrene and maleic acid (SMA) to afford SMA-tDodSNO. The pharmacological activity of SMA-tDodSNO is discussed in our accompanying manuscript “Encapsulation of tDodSNO generates a photoactivated nitric oxide releasing nanoparticle for localized control of vasodilation and vascular hyperpermeability”. (Alimoradio et al. [1]).
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23
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Nagao H, Misawa-Suzuki T, Tomioka N, Ohno H, Rikukawa M. Nitrosylruthenium Complexes as Polymerization Catalysts for Acrylonitrile in DMF. Chem Asian J 2018; 13:3014-3017. [PMID: 30230689 DOI: 10.1002/asia.201801095] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/18/2018] [Indexed: 01/26/2023]
Abstract
Nitrosylruthenium complexes bearing two 2,2'-bipyridine (bpy) or 2-pyridinecarboxylate (pyc) ligands, [Ru(NO)X(bpy)2 ]3+ (X=CH3 CN, CH2 =CHCN, H2 O, Cl, ONO2 ) and [Ru(NO)(OH2 )(pyc)2 ]+ , were used as catalysts for the polymerization of acrylonitrile in N,N-dimethylformamide (DMF) under air without initiators to obtain polyacrylonitrile (PAN) with a high molecular weight and a narrow molecular weight distribution.
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Affiliation(s)
- Hirotaka Nagao
- Department of Materials and Life Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Tomoyo Misawa-Suzuki
- Department of Materials and Life Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Nozomi Tomioka
- Department of Materials and Life Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Haruna Ohno
- Department of Materials and Life Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Masahiro Rikukawa
- Department of Materials and Life Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
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24
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Crisalli MA, Franco LP, Silva BR, Holanda AKM, Bendhack LM, Da Silva RS, Ford PC. Nitric oxide release from a photoactive water-soluble ruthenium nitrosyl. Biological effects. J COORD CHEM 2018. [DOI: 10.1080/00958972.2018.1469129] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Meredith A. Crisalli
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, USA
| | - Lilian P. Franco
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Bruno R. Silva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Alda K. M. Holanda
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, USA
- Departamento de Química Orgânica e Inorgânica, Universidade Federal do Ceará Cx., Fortaleza, Brazil
| | - Lusiane M. Bendhack
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Roberto S. Da Silva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, Brazil
| | - Peter C. Ford
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, USA
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25
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Li A, Turro C, Kodanko JJ. Ru(ii) polypyridyl complexes as photocages for bioactive compounds containing nitriles and aromatic heterocycles. Chem Commun (Camb) 2018; 54:1280-1290. [PMID: 29323683 PMCID: PMC5904840 DOI: 10.1039/c7cc09000e] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photocaging allows for precise spatiotemporal control over the release of biologically active compounds with light. Most photocaged molecules employ organic photolabile protecting groups; however, biologically active compounds often contain functionalities such as nitriles and aromatic heterocycles that cannot be caged with organic groups. Despite their prevalence, only a few studies have reported successful caging of nitriles and aromatic heterocycles. Recently, Ru(ii)-based photocaging has emerged as a powerful method for the release of bioactive molecules containing these functional groups, in many cases providing high levels of spatial and temporal control over biological activity. This Feature Article discusses recent developments in applying Ru(ii)-based photocaging towards biological problems. Our groups designed and synthesized Ru(ii)-based platforms for the photoinduced delivery of cysteine protease and cytochrome P450 inhibitors in order to achieve selective control over enzyme inhibition. We also reported Ru(ii) photocaging groups derived from higher-denticity ancillary ligands that possess photophysical and photochemical properties distinct from more traditional Ru(ii)-based caging groups. In addition, for the first time, we are able to rapidly synthesize and screen Ru(ii) polypyridyl complexes that elicit desired properties by solid-phase synthesis. Finally, our work also defined steric and orbital mixing effects that are important factors in controlling photoinduced ligand exchange.
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Affiliation(s)
- Ao Li
- Department of Chemistry, Wayne State University, 5101 Cass Ave, Detroit, Michigan 48202, USA.
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26
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Kumar R, Yadav A, Ratnam A, Kumar S, Bala M, Sur D, Narang S, Singh UP, Mandal PK, Ghosh K. Organometallic Ruthenium Nitrosyl Obtained by C-H Bond Activation - Photoinduced Delivery of Nitric Oxide and NO-Mediated Antiproliferation Activity Studies. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700839] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Rajan Kumar
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Anjlika Yadav
- Department of Biotechnology; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Anand Ratnam
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Sushil Kumar
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Manju Bala
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Debpali Sur
- Department of Biotechnology; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Shikha Narang
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Udai P. Singh
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Prabhat K. Mandal
- Department of Biotechnology; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
| | - Kaushik Ghosh
- Department of Chemistry; Indian Institute of Technology, Roorkee; 247667 Roorkee Uttarakhand India
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27
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Xu L, Ma Z, Wang W, Xie L, Liu L, Liu J, Zhao X, Wang H. Photo-induced cytotoxicity, photo-controlled nitric oxide release and DNA/human serum albumin binding of three water-soluble nitrosylruthenium complexes. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.08.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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28
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Xiang HJ, Guo M, Liu JG. Transition-Metal Nitrosyls for Photocontrolled Nitric Oxide Delivery. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601135] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Hui-Jing Xiang
- School of Chemistry and Molecular Engineering; East China University of Science and Technology; 200237 Shanghai P. R. China
| | - Min Guo
- School of Chemistry and Molecular Engineering; East China University of Science and Technology; 200237 Shanghai P. R. China
| | - Jin-Gang Liu
- School of Chemistry and Molecular Engineering; East China University of Science and Technology; 200237 Shanghai P. R. China
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29
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Zhang JX, Pan M, Su CY. Synthesis, photophysical properties and in vitro evaluation of a chlorambucil conjugated ruthenium(ii) complex for combined chemo-photodynamic therapy against HeLa cells. J Mater Chem B 2017; 5:4623-4632. [DOI: 10.1039/c7tb00702g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We designed a new heteroleptic Ru(ii) complex CHL-RuL as an imaging-guided chemotherapy/PDT agent, which shows a moderate antiproliferative effect in dark and strong photodynamic inhibitory effect against HeLa cells.
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Affiliation(s)
- Jing-Xiang Zhang
- Lehn Institute of Functional Materials
- School of Chemistry
- SunYat-Sen University
- Guangzhou
- China
| | - Mei Pan
- Lehn Institute of Functional Materials
- School of Chemistry
- SunYat-Sen University
- Guangzhou
- China
| | - Cheng-Yong Su
- Lehn Institute of Functional Materials
- School of Chemistry
- SunYat-Sen University
- Guangzhou
- China
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30
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Yu P, Zhao Y, Yang F, Pan H, Wang J, Zhao J, Wang W, Wang H, Wang J. Differentiating Two Nitrosylruthenium Isomeric Complexes by Steady-State and Ultrafast Infrared Spectroscopies. J Phys Chem B 2016; 120:11502-11509. [PMID: 27755866 DOI: 10.1021/acs.jpcb.6b08060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The [Ru(II)-NO+] group affects the structure and chemical reactivity of nitrosylruthenium(II) complexes. A characteristic infrared absorption band due to the nitrosyl (NO) stretching motion is shown in the frequency region 1800-1900 cm-1. In this work, linear infrared (IR) and nonlinear IR methods, including pump-probe and two-dimensional (2D) IR, were utilized to study the structures and dynamics of two isomeric nitrosylruthenium complexes [Ru(OAc)(2mqn)2NO] (H2mqn = 2-methyl-8-quinolinol) in cis and trans isomeric configurations in a weak polar solvent (CDCl3). Using the NO stretching mode as a vibrational probe, information about local structural dynamics of the Ru complex as well as solvent fluctuation dynamics was obtained. In particular, a "structured" solvent environment is believed to form in the vicinity of the NO group in the case of the cis isomer with the aid of a neighboring OAc ligand, which is the reason for more efficient vibrational relaxation but more inhomogeneously distributed solvent and thus associated slower spectral diffusion. Our results also suggest a more anharmonic potential surface for the NO stretching mode in the less stable trans isomer.
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Affiliation(s)
- Pengyun Yu
- Beijing National Laboratory for Molecular Sciences, Molecular Reaction Dynamics Laboratory, Institute of Chemistry, the Chinese Academy of Sciences , Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences , Beijing 100049, P. R. China
| | - Yan Zhao
- Beijing National Laboratory for Molecular Sciences, Molecular Reaction Dynamics Laboratory, Institute of Chemistry, the Chinese Academy of Sciences , Beijing, 100190, P. R. China.,Institute of Molecular Science, Shanxi University , Taiyuan, 030006, P. R. China
| | - Fan Yang
- Beijing National Laboratory for Molecular Sciences, Molecular Reaction Dynamics Laboratory, Institute of Chemistry, the Chinese Academy of Sciences , Beijing, 100190, P. R. China
| | - Huifen Pan
- Institute of Molecular Science, Shanxi University , Taiyuan, 030006, P. R. China
| | - Jianru Wang
- Institute of Molecular Science, Shanxi University , Taiyuan, 030006, P. R. China
| | - Juan Zhao
- Beijing National Laboratory for Molecular Sciences, Molecular Reaction Dynamics Laboratory, Institute of Chemistry, the Chinese Academy of Sciences , Beijing, 100190, P. R. China
| | - Wenming Wang
- Institute of Molecular Science, Shanxi University , Taiyuan, 030006, P. R. China
| | - Hongfei Wang
- Institute of Molecular Science, Shanxi University , Taiyuan, 030006, P. R. China
| | - Jianping Wang
- Beijing National Laboratory for Molecular Sciences, Molecular Reaction Dynamics Laboratory, Institute of Chemistry, the Chinese Academy of Sciences , Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences , Beijing 100049, P. R. China
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31
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Kostin GA, Mikhailov AA, Kuratieva NV, Tkachev SV, Schaniel D, Woike T. Reaction of [RuNO(NO2)4OH]2-with Sulfamic Acid as a Pathway to Mixed Nitro Pyridine Ruthenium Nitrosyl Complexes. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600477] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Gennadiy A. Kostin
- Nikolaev Institute of Inorganic Chemistry 3; Acad. Lavrentiev Ave. 630090 Novosibirsk Russia
- Novosibisk State University; 2 Pirogova str. 630090 Novosibirsk Russia
| | - Artem A. Mikhailov
- Nikolaev Institute of Inorganic Chemistry 3; Acad. Lavrentiev Ave. 630090 Novosibirsk Russia
- Novosibisk State University; 2 Pirogova str. 630090 Novosibirsk Russia
| | - Nataliya V. Kuratieva
- Nikolaev Institute of Inorganic Chemistry 3; Acad. Lavrentiev Ave. 630090 Novosibirsk Russia
- Novosibisk State University; 2 Pirogova str. 630090 Novosibirsk Russia
| | - Sergey V. Tkachev
- Nikolaev Institute of Inorganic Chemistry 3; Acad. Lavrentiev Ave. 630090 Novosibirsk Russia
| | - Dominik Schaniel
- Université de Lorraine; CRM2; UMR 7036; 54506 Vandoeuvre-les-Nancy France
- CNRS; CRM2; UMR 7036; 54506 Vandoeuvre-les-Nancy France
| | - Theo Woike
- Institut für Strukturphysik; TU Dresden; Zellescher Weg 16 Dresden Germany
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32
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Levin N, Codesido NO, Bill E, Weyhermüller T, Segantin Gaspari AP, da Silva RS, Olabe JA, Slep LD. Structural, Spectroscopic, and Photochemical Investigation of an Octahedral NO-Releasing {RuNO}7 Species. Inorg Chem 2016; 55:7808-10. [DOI: 10.1021/acs.inorgchem.6b00719] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Natalia Levin
- Universidad de Buenos Aires, Facultad de Ciencias Exactas
y Naturales, Departamento de Química Inorgánica, Analítica
y Química Física, and INQUIMAE , CONICET, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Nicolás Osa Codesido
- Universidad de Buenos Aires, Facultad de Ciencias Exactas
y Naturales, Departamento de Química Inorgánica, Analítica
y Química Física, and INQUIMAE , CONICET, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Eckhard Bill
- Max-Planck Institut für Chemische Energiekonversion, Stiftstraße 34−36, D-45470 Mülheim an der
Ruhr, Germany
| | - Thomas Weyhermüller
- Max-Planck Institut für Chemische Energiekonversion, Stiftstraße 34−36, D-45470 Mülheim an der
Ruhr, Germany
| | - Ana Paula Segantin Gaspari
- Faculdade de Ciências
Farmacêuticas de Ribeirão Preto, Departamento de Física
e Química, Universidade de São Paulo, Avenida do Café
s/n, 14040-903 Ribeirão
Preto, São Paolo, Brazil
| | - Roberto Santana da Silva
- Faculdade de Ciências
Farmacêuticas de Ribeirão Preto, Departamento de Física
e Química, Universidade de São Paulo, Avenida do Café
s/n, 14040-903 Ribeirão
Preto, São Paolo, Brazil
| | - José A. Olabe
- Universidad de Buenos Aires, Facultad de Ciencias Exactas
y Naturales, Departamento de Química Inorgánica, Analítica
y Química Física, and INQUIMAE , CONICET, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Leonardo D. Slep
- Universidad de Buenos Aires, Facultad de Ciencias Exactas
y Naturales, Departamento de Química Inorgánica, Analítica
y Química Física, and INQUIMAE , CONICET, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
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33
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Arora K, White JK, Sharma R, Mazumder S, Martin PD, Schlegel HB, Turro C, Kodanko JJ. Effects of Methyl Substitution in Ruthenium Tris(2-pyridylmethyl)amine Photocaging Groups for Nitriles. Inorg Chem 2016; 55:6968-79. [PMID: 27355786 PMCID: PMC4966558 DOI: 10.1021/acs.inorgchem.6b00650] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Four complexes of the general formula [Ru(L)(CH3CN)2](PF6)2, [L = TPA (5), MeTPA (6), Me2TPA (7), and Me3TPA (8)] [TPA = tris[(pyridin-2-yl)methyl]amine, where methyl groups were introduced consecutively onto the 6-position of py donors of TPA, were prepared and characterized by various spectroscopic techniques and mass spectrometry. While 5 and 8 were isolated as single stereoisomers, 6 and 7 were isolated as mixtures of stereoisomers in 2:1 and 1.5:1 ratios, respectively. Steric effects on ground state stability and thermal and photochemical reactivities were studied for all four complexes using (1)H NMR and electronic absorption spectroscopies and computational studies. These studies confirmed that the addition of steric bulk accelerates photochemical and thermal nitrile release.
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Affiliation(s)
- Karan Arora
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Jessica K. White
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Rajgopal Sharma
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Shivnath Mazumder
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Philip D. Martin
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - H. Bernhard Schlegel
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Claudia Turro
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Jeremy J. Kodanko
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
- Barbara Ann Karmanos Cancer Institute, Detroit, Michigan 48201, United States
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Ramos LCB, Marchesi MSP, Callejon D, Baruffi MD, Lunardi CN, Slep LD, Bendhack LM, da Silva RS. Enhanced Antitumor Activity against Melanoma Cancer Cells by Nitric Oxide Release and Photosensitized Generation of Singlet Oxygen from Ruthenium Complexes. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600217] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Loyanne C. B. Ramos
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto - USP; Av. do Café s/n 14040-903 Ribeirão Preto-SP Brazil
| | | | - Daniel Callejon
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto - USP; Av. do Café s/n 14040-903 Ribeirão Preto-SP Brazil
| | - Marcelo Dias Baruffi
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto - USP; Av. do Café s/n 14040-903 Ribeirão Preto-SP Brazil
| | - Claure N. Lunardi
- Faculdade de Ceilandia; Universidade de Brasília; Brasilia-DF Brazil
| | - Leonardo D. Slep
- Departamento de Química Inorgánica; Analítica y Química Física and INQUIMAE; Facultad de Ciencias Exactas y Naturales; Universidad de Buenos Aires; Pabellón 2, Ciudad Universitaria C1428EHA Buenos Aires Argentina
| | - Lusiane M. Bendhack
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto - USP; Av. do Café s/n 14040-903 Ribeirão Preto-SP Brazil
| | - Roberto Santana da Silva
- Faculdade de Ciências Farmacêuticas de Ribeirão Preto - USP; Av. do Café s/n 14040-903 Ribeirão Preto-SP Brazil
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Doro FG, Ferreira KQ, da Rocha ZN, Caramori GF, Gomes AJ, Tfouni E. The versatile ruthenium(II/III) tetraazamacrocycle complexes and their nitrosyl derivatives. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.03.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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36
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Lambreva MD, Lavecchia T, Tyystjärvi E, Antal TK, Orlanducci S, Margonelli A, Rea G. Potential of carbon nanotubes in algal biotechnology. PHOTOSYNTHESIS RESEARCH 2015; 125:451-71. [PMID: 26113435 DOI: 10.1007/s11120-015-0168-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 06/15/2015] [Indexed: 05/21/2023]
Abstract
A critical mass of knowledge is emerging on the interactions between plant cells and engineered nanomaterials, revealing the potential of plant nanobiotechnology to promote and support novel solutions for the development of a competitive bioeconomy. This knowledge can foster the adoption of new methodological strategies to empower the large-scale production of biomass from commercially important microalgae. The present review focuses on the potential of carbon nanotubes (CNTs) to enhance photosynthetic performance of microalgae by (i) widening the spectral region available for the energy conversion reactions and (ii) increasing the tolerance of microalgae towards unfavourable conditions occurring in mass production. To this end, current understanding on the mechanisms of uptake and localization of CNTs in plant cells is discussed. The available ecotoxicological data were used in an attempt to assess the feasibility of CNT-based applications in algal biotechnology, by critically correlating the experimental conditions with the observed adverse effects. Furthermore, main structural and physicochemical properties of single- and multi-walled CNTs and common approaches for the functionalization and characterization of CNTs in biological environment are presented. Here, we explore the potential that nanotechnology can offer to enhance functions of algae, paving the way for a more efficient use of photosynthetic algal systems in the sustainable production of energy, biomass and high-value compounds.
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Affiliation(s)
- Maya Dimova Lambreva
- Institute of Crystallography, National Research Council of Italy, Via Salaria Km 29.300, 00015, Monterotondo Scalo, RM, Italy,
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Suzuki T, Tanaka H, Shiota Y, Sajith PK, Arikawa Y, Yoshizawa K. Proton-Assisted Mechanism of NO Reduction on a Dinuclear Ruthenium Complex. Inorg Chem 2015; 54:7181-91. [PMID: 26186365 DOI: 10.1021/acs.inorgchem.5b00394] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Density-functional-theory (DFT) calculations are performed for the proposal of a plausible mechanism on the reduction of NO to N2O by a dinuclear ruthenium complex, reported by Arikawa and co-workers [J. Am. Chem. Soc. 2007, 129, 14160]. On the basis of the experimental fact that the reduction proceeds under strongly acidic conditions, the role of protons in the mechanistic pathways is investigated with model complexes, where one or two NO ligands are protonated. The reaction mechanism of the NO reduction is partitioned into three steps: reorientation of N2O2 (cis-NO dimer), O-N bond cleavage, and N2O elimination. A key finding is that the protonation of the NO ligand(s) significantly reduces the activation barrier in the rate-determining reorientation step. The activation energy of 43.1 kcal/mol calculated for the proton-free model is reduced to 30.2 and 17.6 kcal/mol for the mono- and diprotonated models, respectively. The protonation induces the electron transfer from the Ru(II)Ru(II) core to the O═N-N═O moiety to give a Ru(III)Ru(III) core and a hyponitrite (O-N═N-O)(2-) species. The formation of the hyponitrite species provides an alternative pathway for the N2O2 reorientation, resulting in the lower activation energies in the presence of proton(s). The protonation also has a marginal effect on the O-N bond cleavage and the N2O elimination steps. Our calculations reveal a remarkable role of protons in the NO reduction via N2O formation and provide new insights into the mechanism of NO reduction catalyzed by metalloenzymes such as nitric oxide reductase (NOR) that contains a diiron active site.
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Affiliation(s)
- Tatsuya Suzuki
- †Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
| | - Hiromasa Tanaka
- ‡Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Nishikyo-ku, Kyoto 615-8245, Japan
| | - Yoshihito Shiota
- †Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
| | - P K Sajith
- †Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan
| | - Yasuhiro Arikawa
- §Division of Chemistry and Materials Science, Graduate School of Engineering, Nagasaki University, Bunkyo-machi 1-14, Nagasaki 852-8521, Japan
| | - Kazunari Yoshizawa
- †Institute for Materials Chemistry and Engineering and International Research Center for Molecular System, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan.,‡Elements Strategy Initiative for Catalysts and Batteries, Kyoto University, Nishikyo-ku, Kyoto 615-8245, Japan
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Liu J, Duan Q, Wang J, Song Z, Qiao X, Wang H. Photocontrolled nitric oxide release from two nitrosylruthenium isomer complexes and their potential biomedical applications. JOURNAL OF BIOMEDICAL OPTICS 2015; 20:015004. [PMID: 25621873 DOI: 10.1117/1.jbo.20.1.015004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 12/17/2014] [Indexed: 06/04/2023]
Abstract
Nitric oxide (NO) has key regulatory roles in various biological and medical processes. The control of its local concentration, which is crucial for obtaining the desired effect, can be achieved with exogenous NO donors. Release of NO from metal-nitrosyl complexes upon exposure to light is a strategy that could allow for the site-specific delivery of the reactive species NO to physiological targets. The photodissociation of NO from two nitrosylruthenium(II) isomer complexes {cis- and trans-[Ru(OAc)(2mqn)(2)NO]} was demonstrated by matrix-assisted laser desorption ionization time-of-flight mass spectrometry spectra, and electron paramagnetic resonance spectra further prove the photoinduced NO release by spin trapping of NO free radicals upon photoirradiation. Real-time NO release was quantitatively measured by electrochemistry with an NO-specific electrode. The quantitative control of NO release from [Ru(OAc)(2mqn)(2)NO] in aqueous solutions was done by photoirradiation at different wavelengths. Both isomers show photoinduced damage on plasmid DNA, but the trans isomer has higher cytotoxicity and photocytotoxicity activity against the HeLa tumor cell line than that of the cis isomer. Nitrosylruthenium(II) complex, with 8-quinolinol derivatives as ligands, has a great potential as a photoactivated NO donor reagent for biomedical applications.
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Affiliation(s)
- Jiao Liu
- Shanxi University, Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, 92 Wucheng Road, Taiyuan 030006, China
| | - Qingqing Duan
- Shanxi University, Institute of Opto-Electronics, State Key Lab of Quantum Optics and Quantum Optics Devices, 92 Wucheng Road, Taiyuan 030006, China
| | - Jianru Wang
- Shanxi University, Institute of Opto-Electronics, State Key Lab of Quantum Optics and Quantum Optics Devices, 92 Wucheng Road, Taiyuan 030006, ChinacShanxi Medical University, Institute of Basic Medicine, 56 Xinjiannan Road, Taiyuan 030012, China
| | - Zhen Song
- Shanxi University, Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, 92 Wucheng Road, Taiyuan 030006, China
| | - Xiaoyan Qiao
- Shanxi University, College of Physics & Electronics Engineering, 92 Wucheng Road, Taiyuan 030006, China
| | - Hongfei Wang
- Shanxi University, Institute of Molecular Science, Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, 92 Wucheng Road, Taiyuan 030006, ChinabShanxi University, Institute of Opto-Electronics, State Key Lab of Quantum Op
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Roveda AC, de Fazio Aguiar H, Miranda KM, Tadini CC, Franco DW. Light-triggered and cysteine-mediated nitric oxide release from a biodegradable starch-based film. J Mater Chem B 2014; 2:7232-7242. [DOI: 10.1039/c4tb00996g] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Nitrosyl-Centered Redox and Acid–Base Interconversions in [Ru(Me3[9]aneN3)(bpy)(NO)]3,2,1+. The pKa of HNO for its Nitroxyl Derivative in Aqueous Solution. Inorg Chem 2014; 53:981-97. [DOI: 10.1021/ic402448p] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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41
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Andriani KF, Caramori GF, Doro FG, Parreira RLT. Ru–NO and Ru–NO2bonding linkage isomerism in cis-[Ru(NO)(NO)(bpy)2]2+/+complexes – a theoretical insight. Dalton Trans 2014; 43:8792-804. [DOI: 10.1039/c4dt00016a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Calculated energy profile (kcal mol−1) for linkage isomers relative to the ground state structure (GS)1aprior the monoelectronic reduction.
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Affiliation(s)
- Karla Furtado Andriani
- Departamento de Química
- Universidade Federal de Santa Catarina
- Campi Universitário Trindade
- 88040-900 Florianópolis, Brazil
| | - Giovanni Finoto Caramori
- Departamento de Química
- Universidade Federal de Santa Catarina
- Campi Universitário Trindade
- 88040-900 Florianópolis, Brazil
| | - Fábio Gorzoni Doro
- Departamento de Química Geral e Inorgânica
- Universidade Federal da Bahia – UFBA
- Salvador, Brazil
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42
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McQuilken AC, Ha Y, Sutherlin KD, Siegler MA, Hodgson KO, Hedman B, Solomon EI, Jameson GNL, Goldberg DP. Preparation of non-heme {FeNO}7 models of cysteine dioxygenase: sulfur versus nitrogen ligation and photorelease of nitric oxide. J Am Chem Soc 2013; 135:14024-7. [PMID: 24040838 DOI: 10.1021/ja4064487] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We present the synthesis and spectroscopic characterization of [Fe(NO)(N3PyS)]BF4 (3), the first structural and electronic model of NO-bound cysteine dioxygenase. The nearly isostructural all-N-donor analogue [Fe(NO)(N4Py)](BF4)2 (4) was also prepared, and comparisons of 3 and 4 provide insight regarding the influence of S vs N ligation in {FeNO}(7) species. One key difference occurs upon photoirradiation, which causes the fully reversible release of NO from 3, but not from 4.
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Affiliation(s)
- Alison C McQuilken
- Department of Chemistry, The Johns Hopkins University , Baltimore, Maryland 21218, United States
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43
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Pluth MD, Lippard SJ. Reversible binding of nitric oxide to an Fe(III) complex of a tetra-amido macrocycle. Chem Commun (Camb) 2013; 48:11981-3. [PMID: 23133836 DOI: 10.1039/c2cc37221e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Nitric oxide binds reversibly to the Fe(III) complex of a well-developed tetra-amido macrocyclic ligand. Reaction with NO results in formation of a species consistent with an S = 1 {Fe-NO}(6) ground state as characterized by UV-vis, IR, EPR, and Mössbauer spectroscopy. The resultant nitrosyl is labile and dissociates readily upon purging with N(2), thus providing a rare example of reversible NO binding to non-heme iron.
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Affiliation(s)
- Michael D Pluth
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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44
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Figueiredo LE, Cilli EM, Molina RAS, Espreafico EM, Tfouni E. Synthesis and cytotoxicity of a ruthenium nitrosyl nitric oxide donor with isonicotinic acid and a cell penetrating peptide. INORG CHEM COMMUN 2013. [DOI: 10.1016/j.inoche.2012.11.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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45
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Hematian S, Siegler MA, Karlin KD. Heme/copper assembly mediated nitrite and nitric oxide interconversion. J Am Chem Soc 2012; 134:18912-5. [PMID: 23130610 DOI: 10.1021/ja3083818] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The heme(a3)/Cu(B) active site of cytochrome c oxidase is responsible for cellular nitrite reduction to nitric oxide; the same center can return NO to the nitrite pool via oxidative chemistry. Here, we show that a partially reduced heme/Cu assembly reduces NO(2)(-) ion, producing nitric oxide. The heme serves as the reductant, but the Cu(II) ion is also required. In turn, a μ-oxo heme-Fe(III)-O-Cu(II) complex facilitates NO oxidation to nitrite; the final products are the reduced heme and Cu(II)-nitrito complexes.
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Affiliation(s)
- Shabnam Hematian
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, USA
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