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Bhowmik R, Roy M. Recent advances on the development of NO-releasing molecules (NORMs) for biomedical applications. Eur J Med Chem 2024; 268:116217. [PMID: 38367491 DOI: 10.1016/j.ejmech.2024.116217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/02/2024] [Accepted: 02/02/2024] [Indexed: 02/19/2024]
Abstract
Nitric oxide (NO) is an important biological messenger as well as a signaling molecule that participates in a broad range of physiological events and therapeutic applications in biological systems. However, due to its very short half-life in physiological conditions, its therapeutic applications are restricted. Efforts have been made to develop an enormous number of NO-releasing molecules (NORMs) and motifs for NO delivery to the target tissues. These NORMs involve organic nitrate, nitrite, nitro compounds, transition metal nitrosyls, and several nanomaterials. The controlled release of NO from these NORMs to the specific site requires several external stimuli like light, sound, pH, heat, enzyme, etc. Herein, we have provided a comprehensive review of the biochemistry of nitric oxide, recent advancements in NO-releasing materials with the appropriate stimuli of NO release, and their biomedical applications in cancer and other disease control.
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Affiliation(s)
- Rintu Bhowmik
- Department of Chemistry, National Institute of Technology Manipur, Langol, 795004, Imphal West, Manipur, India
| | - Mithun Roy
- Department of Chemistry, National Institute of Technology Manipur, Langol, 795004, Imphal West, Manipur, India.
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2
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Kim M, Park S, Song D, You Y, Lim M, Lee HI. Effect of Electron-donating Group on NO Photolysis of {RuNO} 6 Ruthenium Nitrosyl Complexes with N 2 O 2 Lgands Bearing π-Extended Rings. Chem Asian J 2024; 19:e202300908. [PMID: 37969065 DOI: 10.1002/asia.202300908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 11/17/2023]
Abstract
In this study, we introduced the electron-donating group (-OH) to the aromatic rings of Ru(salophen)(NO)Cl (0) (salophenH2 =N,N'-(1,2-phenylene)bis(salicylideneimine)) to investigate the influence of the substitution on NO photolysis and NO-releasing dynamics. Three derivative complexes, Ru((o-OH)2 -salophen)(NO)Cl (1), Ru((m-OH)2 -salophen)(NO)Cl (2), and Ru((p-OH)2 -salophen)(NO)Cl (3) were developed and their NO photolysis was monitored by using UV/Vis, EPR, NMR, and IR spectroscopies under white room light. Spectroscopic results indicated that the complexes were diamagnetic Ru(II)-NO+ species which were converted to low-spin Ru(III) species (d5 , S=1/2) and released NO radicals by photons. The conversion was also confirmed by determining the single-crystal structure of the photoproduct of 1. The photochemical quantum yields (ΦNO s) of the photolysis were determined to be 0>1, 2, 3 at both the visible and UV excitations. Femtosecond (fs) time-resolved mid-IR spectroscopy was employed for studying NO-releasing dynamics. The geminate rebinding (GR) rates of the photoreleased NO to the photolyzed complexes were estimated to be 0≃1, 2, 3. DFT and TDDFT computations found that the introduction of the hydroxyl groups elevated the ligand π-bonding orbitals (π (salophen)), resulting in decrease of the HOMO-LUMO gaps in 1-3. The theoretical calculations suggested that the Ru-NNO bond dissociations of the complexes were mostly initiated by the ligand-to-ligand charge transfer (LLCT) of π(salophen)→π*(Ru-NO) with both the visible and UV excitations and the decreasing ΦNO s could be explained by the changes of the electronic structures in which the photoactivable bands of 1-3 have relatively less contribution of transitions related with Ru-NO bond than those of 0.
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Affiliation(s)
- Minyoung Kim
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Seongchul Park
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 46241, Republic of Korea
| | - Dayoon Song
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Youngmin You
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea
| | - Manho Lim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, 46241, Republic of Korea
| | - Hong-In Lee
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
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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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4
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Kim M, Park S, Song D, Moon D, You Y, Lim M, Lee HI. Visible-light NO photolysis of ruthenium nitrosyl complexes with N 2O 2 ligands bearing π-extended rings and their photorelease dynamics. Dalton Trans 2022; 51:11404-11415. [PMID: 35822310 DOI: 10.1039/d2dt01019d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NO photorelease and its dynamics for two {RuNO}6 complexes, Ru(salophen)(NO)Cl (1) and Ru(naphophen)(NO)Cl (2), with salen-type ligands bearing π-extended systems (salophenH2 = N,N'-(1,2-phenylene)-bis(salicylideneimine) and naphophenH2 = N,N'-1,2-phenylene-bis(2-hydroxy-1-naphthylmethyleneimine)) were investigated. NO photolysis was performed under white room light and monitored by UV/Vis, EPR, and NMR spectroscopies. NO photolysis was also performed under 459 and 489 nm irradiation for 1 and 2, respectively. The photochemical quantum yields of the NO photolysis (ΦNO) of both 1 and 2 were determined to be 9% at the irradiation wavelengths. The structural and spectroscopic characteristics of the complexes before and after the photolysis confirmed the conversion of diamagnetic Ru(II)(L)(Cl)-NO+ to paramagnetic S = ½ Ru(III)(L)(Cl)-solvent by photons (L = salophen2- and naphophen2-). The photoreleased NO radicals were detected by spin-trapping EPR. DFT and TDDFT calculations found that the photoactive bands are configured as mostly the ligand-to-ligand charge transfer (LLCT) of π(L) → π*(Ru-NO), suggesting that the NO photorelease was initiated by the LLCT. Dynamics of NO photorelease from the complexes in DMSO under 320 nm excitation were investigated by femtosecond (fs) time-resolved mid-IR spectroscopy. The primary photorelease of NO occurred for less than 0.32 ps after the excitation. The rate constants (k-1) of the geminate rebinding of NO to the photolyzed 1 and 2 were determined to be (15 ps)-1 and (13 ps)-1, respectively. The photochemical quantum yields of NO photolysis (ΦNO, λ = 320 nm) were estimated to be no higher than 14% for 1 and 11% for 2, based on the analysis of the fs time-resolved IR data. The results of fs time-resolved IR spectroscopy and theoretical calculations provided some insight into the overall kinetic reaction pathway, localized electron pathway or resonance pathway, of the NO photolysis of 1 and 2. Overall, our study found that the investigated {RuNO}6 complexes, 1 and 2, with planar N2O2 ligands bearing π-extended rings effectively released NO under visible light.
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Affiliation(s)
- Minyoung Kim
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Seongchul Park
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea.
| | - Dayoon Song
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Dohyun Moon
- Pohang Accelerator Laboratory, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Youngmin You
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Manho Lim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea.
| | - Hong-In Lee
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu 41566, Republic of Korea.
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Cho JH, Kim M, You Y, Lee HI. A new photoactivable NO-releasing {Ru-NO} 6 ruthenium nitrosyl complex with a tetradentate ligand containing aniline and pyridine moieties. Chem Asian J 2021; 17:e202101244. [PMID: 34921511 DOI: 10.1002/asia.202101244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/25/2021] [Indexed: 11/12/2022]
Abstract
A new type of photoactivable NO-releasing ruthenium nitrosyl complex, [Ru(EPBP)Cl(NO)], with a tetradentate ligand, N,N'-(ethane-1,2-diyldi-o-phenylene)-bis(pyridine-2-carboxamide) (= H2 EPBP) was synthesized. Single crystal X-ray crystallography revealed that the complex has a distorted octahedral coordination geometry and NO is positioned at cis to Cl- ion. NO-photolysis was observed under a white room light. The photodissociation of Ru-NO bond was identified by various techniques including X-ray crystallography, IR, UV/Vis absorption, electron paramagnetic resonance (EPR), and NMR spectroscopies. Quantum yields for the NO-photolysis of the complex in CH3 OH, CHCl3 , DMSO, CH3 CN, and CH3 NO2 were measured to be 0.19-0.36 with 400 (±5) nm excitation. Density functional theory (DFT) and time-dependent density functional theory (TDDFT) calculations were performed to understand the details of the photodissociation of the complex. The calculations suggest that the NO photolysis is most likely initiated by the electronic transition from the aniline moiety π MOs (π (aniline)) of the EPBP2- chelating ligand to the π-antibonding MO of Ru-NO (π*(Ru-NO)). Experimental and theoretical investigations indicate that the EPBP2- ligand provides an effective platform forming ruthenium nitrosyl complexes useful for NO-photoreleasing.
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Affiliation(s)
- Jang-Hoon Cho
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Minyoung Kim
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Youngmin You
- Division of Chemical Engineering and Materials Science and Graduated Program in System Health Science, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Hong-In Lee
- Department of Chemistry and Green-Nano Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
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6
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 256] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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Orenha RP, Silva GCG, de Lima Batista AP, de Oliveira Filho AGS, Morgon NH, da Silva VB, Furtado SSP, Caramori GF, Piotrowski MJ, Parreira RLT. Tracking the role of trans-ligands in ruthenium–NO bond lability: computational insight. NEW J CHEM 2020. [DOI: 10.1039/d0nj01340d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ruthenium–NO tetraamine structures control the nitric oxide bioavailability. The ligand trans to NO modulates the Ru–NO bond stability.
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Affiliation(s)
- Renato Pereira Orenha
- Núcleo de Pesquisas em Ciências Exatas e Tecnológicas
- Universidade de Franca
- Franca
- Brazil
| | | | - Ana Paula de Lima Batista
- Departamento de Química
- Faculdade de Filosofia
- Ciências e Letras de Ribeirão Preto
- Universidade de São Paulo
- Ribeirão Preto
| | | | | | | | | | - Giovanni Finoto Caramori
- Departamento de Química
- Universidade Federal de Santa Catarina
- Campus Universitário Trindade
- Florianópolis
- Brazil
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Dos Santos JS, Ramos LC, Ferreira LP, Campo VL, de Rezende LCD, da Silva Emery F, Santana da Silva R. Cytotoxicity, cellular uptake, and subcellular localization of a nitrogen oxide and aminopropyl-β-lactose derivative ruthenium complex used as nitric oxide delivery agent. Nitric Oxide 2019; 86:38-47. [PMID: 30790696 DOI: 10.1016/j.niox.2019.02.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/15/2018] [Accepted: 02/13/2019] [Indexed: 12/29/2022]
Abstract
This work investigates how the luminescent ruthenium-nitrite complexes cis-[Ru(py-bodipy)(dcbpy)2(NO2)](PF6) (I) and cis-[Ru(py-bodipy)(dcbpy-aminopropyl-β-lactose)2(NO2)](PF6) (II) behave toward the melanoma cancer cell line B16F10. The chemical structure and purity of the synthesized complexes were analyzed by UV-Visible and FTIR spectroscopy, MALDI, HPLC, and 1H NMR. Spectrofluorescence helped to determine the fluorescence quantum yields and lifetimes of each of these complexes. In vitro MTT cell viability assay on B16F10 cancer cells revealed that the complexes possibly have a tumoricidal role. The metal-nitrite complexes evidenced the dichotomous NO nature: at high concentration, NO exerted a tumoricidal effect, whereas cancer cells grew at low NO concentration. Flow cytometry or fluorescence microscopy aided cellular uptake calculation. Cell staining followed by fluorescence microscopy associated with organelle markers such as DAPI and Rhodamine 123 detected preferential intracellular localization of the ruthenium-nitrite py-bodipy and aminopropyl lactose derivative ruthenium complex in mitochondria. Thus, the cytotoxicity of compounds (I) and (II) against B16F10 cancer cell line show concentration-dependent results. The present studies suggest that nitric oxide ruthenium derivative compounds could be new potential chemotherapeutic agents against cytotoxic cells.
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Affiliation(s)
- Joicy Santamalvina Dos Santos
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Prof. Zeferino Vaz s/n, CEP, 14040-903, Ribeirão Preto, SP, Brazil; Departamento de Química Geral e Inorgânica, Instituto de Química, Universidade Federal da Bahia, Rua Barão de Geremoabo, 147, Campus Universitário de Ondina, C.E.P. 40.170-115, Salvador, BA, Brazil
| | - Loyanne C Ramos
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Prof. Zeferino Vaz s/n, CEP, 14040-903, Ribeirão Preto, SP, Brazil
| | - Lucimara P Ferreira
- Departamento de Física, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. Bandeirantes, 3900, CEP, 14040-901, Ribeirão Preto, SP, Brazil
| | - Vanessa Leira Campo
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Prof. Zeferino Vaz s/n, CEP, 14040-903, Ribeirão Preto, SP, Brazil; Barão de Mauá University Centre, 423 Ramos de Azevedo Street, Jardim Paulista, CEP 14090-180, Ribeirão Preto, SP, Brazil
| | - Lucas C D de Rezende
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Prof. Zeferino Vaz s/n, CEP, 14040-903, Ribeirão Preto, SP, Brazil
| | - Flávio da Silva Emery
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Prof. Zeferino Vaz s/n, CEP, 14040-903, Ribeirão Preto, SP, Brazil
| | - Roberto Santana da Silva
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Prof. Zeferino Vaz s/n, CEP, 14040-903, Ribeirão Preto, SP, Brazil.
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9
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de Oliveira MG, Doro FG, Tfouni E, Krieger MH. Phenotypic switching prevention and proliferation/migration inhibition of vascular smooth muscle cells by the ruthenium nitrosyl complex trans-[Ru(NO)Cl(cyclam](PF 6 ) 2. ACTA ACUST UNITED AC 2017; 69:1155-1165. [PMID: 28590566 DOI: 10.1111/jphp.12755] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2016] [Accepted: 05/07/2017] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Vascular smooth muscle cell (VSMC) migration and proliferation at sites of vascular injury are both critical steps in the development of intimal hyperplasia (IH). Local delivery of nitric oxide (NO) largely prevents these events. Among the NO donors, tetraazamacrocyclic nitrosyl complexes, such as trans-[Ru(NO)Cl(cyclam)](PF6 )2 (cyclamNO), gained attention for their features, which include the possibility of being embedded in solid matrices, and ability to participate in a nitrite/NO catalytic conversion cycle. METHODS Methods used to evaluate cyclamNO activity: safety margin by NR and MTT; cell proliferation by 3H-thymidine incorporation and proliferating cell nuclear antigen (PCNA) expression; antimigratory properties by transwell and wound healing; prevention of cell phenotypic switching under platelet-derived growth factor type BB (PDGF-BB) stimuli by analysis of alpha smooth muscle actin (α-SMA) expression. KEY FINDINGS Cell proliferation and migration induced by PDGF-BB were significantly inhibited by cyclamNO. The ~60% reduction on expression of contractile protein α-SMA induced by PDGF-BB revealed VSMC phenotypic switching which is significantly prevented by cyclamNO. Compared to the NO donor sodium nitroprusside, cyclamNO showed to be significantly less cytotoxic. CONCLUSIONS With great potential to maintain VSMC functionality and prevent IH-associated events, cyclamNO might be a promissory drug for several applications in cardiovascular medicine, as in stents.
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Affiliation(s)
- Mariana G de Oliveira
- Laboratório de Cardiovascular, Departamento de Anatomia, Biologia Celular e Fisiologia, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil
| | - Fabio G Doro
- Departamento de Química Geral e Inorgânica, Instituto de Química, Universidade Federal da Bahia (UFBA), Salvador, BA, Brazil
| | - Elia Tfouni
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Marta H Krieger
- Laboratório de Cardiovascular, Departamento de Anatomia, Biologia Celular e Fisiologia, Instituto de Biologia, Universidade Estadual de Campinas (UNICAMP), Campinas, SP, Brazil
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Pauwels B, Boydens C, Vanden Daele L, Van de Voorde J. Ruthenium-based nitric oxide-donating and carbon monoxide-donating molecules. J Pharm Pharmacol 2016; 68:293-304. [DOI: 10.1111/jphp.12511] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 11/29/2015] [Indexed: 01/10/2023]
Abstract
Abstract
Objectives
Over the past few years, the use of metallocomplexes for medical purposes has considerably grown. Because of its favourable characteristics, ruthenium has taken a significant place in this expanding field of research. Several ruthenium-containing metal compounds have been developed as delivery agents of physiological important molecules such as nitric oxide (NO) and carbon monoxide (CO).
Key findings
This review focuses on the (vaso)relaxant capacity of ruthenium-based NO-donating and CO-donating molecules in view of their potential usefulness in the treatment of cardiovascular diseases and erectile dysfunction.
Summary
Ruthenium seems to be a valuable candidate for the design of NO-donating and CO-donating molecules. To date, ruthenium remains of interest in drug research as the search for new alternatives is still necessary.
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Affiliation(s)
- Bart Pauwels
- Department of Pharmacology, Ghent University, Ghent, Belgium
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11
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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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12
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Attia AA, Dereven’kov IA, Silaghi-Dumitrescu R. Ruthenium dinitrosyl complexes – computational characterization of structure and reactivity. J COORD CHEM 2015. [DOI: 10.1080/00958972.2015.1041936] [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]
Affiliation(s)
- Amr A.A. Attia
- Department of Chemistry, Babes-Bolyai University, Cluj-Napoca, Romania
| | - Ilia A. Dereven’kov
- Department of Food Chemistry and Biotechnology, Ivanovo State University of Chemistry and Technology, Ivanovo, Russia
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13
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da Silva RS, de Lima RG, de Paula Machado S. Design, Reactivity, and Biological Activity of Ruthenium Nitrosyl Complexes. ADVANCES IN INORGANIC CHEMISTRY 2015. [DOI: 10.1016/bs.adioch.2014.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Conceição-Vertamatti AG, Ramos LAF, Calandreli I, Chiba AN, Franco DW, Tfouni E, Grassi-Kassisse DM. Vascular response of ruthenium tetraamines in aortic ring from normotensive rats. Arq Bras Cardiol 2014; 104:185-94. [PMID: 25494016 PMCID: PMC4386846 DOI: 10.5935/abc.20140189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Accepted: 09/15/2014] [Indexed: 11/20/2022] Open
Abstract
Background Ruthenium (Ru) tetraamines are being increasingly used as nitric oxide (NO)
carriers. In this context, pharmacological studies have become highly relevant to
better understand the mechanism of action involved. Objective To evaluate the vascular response of the tetraamines
trans-[RuII(NH3)4(Py)(NO)]3+,
trans-[RuII(Cl)(NO) (cyclan)](PF6)2, and
trans-[RuII(NH3)4(4-acPy)(NO)]3+. Methods Aortic rings were contracted with noradrenaline (10−6 M). After voltage
stabilization, a single concentration (10−6 M) of the compounds was
added to the assay medium. The responses were recorded during 120 min. Vascular
integrity was assessed functionally using acetylcholine at 10−6 M and
sodium nitroprusside at 10−6 M as well as by histological
examination. Results Histological analysis confirmed the presence or absence of endothelial cells in
those tissues. All tetraamine complexes altered the contractile response induced
by norepinephrine, resulting in increased tone followed by relaxation. In rings
with endothelium, the inhibition of endothelial NO caused a reduction of the
contractile effect caused by pyridine NO. No significant responses were observed
in rings with endothelium after treatment with cyclan NO. In contrast, in rings
without endothelium, the inhibition of guanylate cyclase significantly reduced the
contractile response caused by the pyridine NO and cyclan NO complexes, and both
complexes caused a relaxing effect. Conclusion The results indicate that the vascular effect of the evaluated complexes involved
a decrease in the vascular tone induced by norepinephrine (10−6 M) at
the end of the incubation period in aortic rings with and without endothelium,
indicating the slow release of NO from these complexes and suggesting that the
ligands promoted chemical stability to the molecule. Moreover, we demonstrated
that the association of Ru with NO is more stable when the ligands pyridine and
cyclan are used in the formulation of the compound.
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Affiliation(s)
| | | | | | | | | | - Elia Tfouni
- Universidade de São Paulo, São Paulo, SP, Brasil
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Ruthenium complexes as NO donors for vascular relaxation induction. Molecules 2014; 19:9628-54. [PMID: 25004072 PMCID: PMC6271244 DOI: 10.3390/molecules19079628] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 06/09/2014] [Accepted: 06/26/2014] [Indexed: 11/17/2022] Open
Abstract
Nitric oxide (NO) donors are substances that can release NO. Vascular relaxation induction is among the several functions of NO, and the administration of NO donors is a pharmacological alternative to treat hypertension. This review will focus on the physicochemical description of ruthenium-derived NO donor complexes that release NO via reduction and light stimulation. In particular, we will discuss the complexes synthesized by our research group over the last ten years, and we will focus on the vasodilation and arterial pressure control elicited by these complexes. Soluble guanylyl cyclase (sGC) and potassium channels are the main targets of the NO species released from the inorganic compounds. We will consider the importance of the chemical structure of the ruthenium complexes and their vascular effects.
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16
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Enhancing vascular relaxing effects of nitric oxide-donor ruthenium complexes. Future Med Chem 2014; 6:825-38. [DOI: 10.4155/fmc.14.26] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Ruthenium-derived complexes have emerged as new nitric oxide (NO) donors that may help circumvent the NO deficiency that impairs vasodilation. NO in vessels can be produced by the endothelial cells and/or released by NO donors. NO interacts with soluble guanylyl-cyclase to produce cGMP to activate the kinase-G pathway. As a result, conductance arteries, veins and resistance arteries dilate, whereas the cytosolic Ca2+ levels in the smooth muscle cells decrease. NO also reacts with oxygen or the superoxide anion, to generate reactive oxygen species that modulate NO-induced vasodilation. In this article, we focus on NO production by NO synthase and discuss the vascular changes taking place during hypertension originating from endothelial dysfunction. We will describe how the NO released from ruthenium-derived complexes enhances the vascular effects arising from failed NO generation or lack of NO bioavailability. In addition, how ruthenium-derived NO donors induce the hypotensive effect by vasodilation is also discussed.
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Pierri AE, Muizzi DA, Ostrowski AD, Ford PC. Photo-Controlled Release of NO and CO with Inorganic and Organometallic Complexes. LUMINESCENT AND PHOTOACTIVE TRANSITION METAL COMPLEXES AS BIOMOLECULAR PROBES AND CELLULAR REAGENTS 2014. [DOI: 10.1007/430_2014_164] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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The new NO donor Terpy induces similar relaxation in mesenteric resistance arteries of renal hypertensive and normotensive rats. Nitric Oxide 2013; 35:47-53. [DOI: 10.1016/j.niox.2013.08.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 06/25/2013] [Accepted: 08/12/2013] [Indexed: 02/05/2023]
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19
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Gomes AJ, Espreafico EM, Tfouni E. trans-[Ru(NO)Cl(cyclam)](PF6)2 and [Ru(NO)(Hedta)] Incorporated in PLGA Nanoparticles for the Delivery of Nitric Oxide to B16–F10 Cells: Cytotoxicity and Phototoxicity. Mol Pharm 2013; 10:3544-54. [DOI: 10.1021/mp3005534] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Anderson J. Gomes
- Faculdade de Ceilândia, Universidade de Brasília, Brasília, DF,
Brazil
| | - Enilza M. Espreafico
- Departamento de
Biologia Celular
e Molecular e Bioagentes Patogênicos, Faculdade de Medicina
de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Elia Tfouni
- Departamento de Química,
Faculdade de Filosofia Ciências e Letras de Ribeirão
Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
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Abou-Hussein AAA, Linert W. Synthesis, spectroscopic and biological activities studies of acyclic and macrocyclic mono and binuclear metal complexes containing a hard-soft Schiff base. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 95:596-609. [PMID: 22580137 DOI: 10.1016/j.saa.2012.04.057] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2012] [Revised: 03/30/2012] [Accepted: 04/10/2012] [Indexed: 05/31/2023]
Abstract
Mono- and bi-nuclear acyclic and macrocyclic complexes with hard-soft Schiff base, H(2)L, ligand derived from the reaction of 4,6-diacetylresorcinol and thiocabohydrazide, in the molar ratio 1:2 have been prepared. The H(2)L ligand reacts with Co(II), Ni(II), Cu(II), Zn(II), Mn(II) and UO(2)(VI) nitrates, VO(IV) sulfate and Ru(III) chloride to get acyclic binuclear complexes except for VO(IV) and Ru(III) which gave acyclic mono-nuclear complexes. Reaction of the acyclic mono-nuclear VO(IV) and Ru(III) complexes with 4,6-diacetylresorcinol afforded the corresponding macrocyclic mono-nuclear VO(IV) and Ru(IIII) complexes. Template reactions of the 4,6-diacetylresorcinol and thiocarbohydrazide with either VO(IV) or Ru(III) salts afforded the macrocyclic binuclear VO(IV) and Ru(III) complexes. The Schiff base, H(2)L, ligand acts as dibasic with two NSO-tridentate sites and can coordinate with two metal ions to form binuclear complexes after the deprotonation of the hydrogen atoms of the phenolic groups in all the complexes, except in the case of the acyclic mononuclear Ru(III) and VO(IV) complexes, where the Schiff base behaves as neutral tetradentate chelate with N(2)S(2) donor atoms. The ligands and the metal complexes were characterized by elemental analysis, IR, UV-vis (1)H-NMR, thermal gravimetric analysis (TGA) and ESR, as well as the measurements of conductivity and magnetic moments at room temperature. Electronic spectra and magnetic moments of the complexes indicate the geometries of the metal centers are either tetrahedral, square planar or octahedral. Kinetic and thermodynamic parameters were calculated using Coats-Redfern equation, for the different thermal decomposition steps of the complexes. The ligands and the metal complexes were screened for their antimicrobial activity against Staphylococcus aureus as Gram-positive bacteria, and Pseudomonas fluorescens as Gram-negative bacteria in addition to Fusarium oxysporum fungus. Most of the complexes exhibit mild antibacterial and antifungal activities against these organisms.
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Affiliation(s)
- Azza A A Abou-Hussein
- Faculty of Women for Arts, Science and Education, Ain Shams University, Heliopolis, Cairo, Egypt.
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21
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Chemical mechanism of controlled nitric oxide release from trans-[RuCl([15]aneN4)NO](PF6)2 as a vasorelaxant agent. TRANSIT METAL CHEM 2012. [DOI: 10.1007/s11243-012-9612-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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22
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Merkle AC, McQuarters AB, Lehnert N. Synthesis, spectroscopic analysis and photolabilization of water-soluble ruthenium(iii)–nitrosyl complexes. Dalton Trans 2012; 41:8047-59. [DOI: 10.1039/c2dt30464c] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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23
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Tfouni E, Truzzi DR, Tavares A, Gomes AJ, Figueiredo LE, Franco DW. Biological activity of ruthenium nitrosyl complexes. Nitric Oxide 2012; 26:38-53. [DOI: 10.1016/j.niox.2011.11.005] [Citation(s) in RCA: 133] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 11/29/2011] [Accepted: 11/30/2011] [Indexed: 12/20/2022]
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24
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Vidal RDS, Doro FG, Ferreira KQ, da Rocha ZN, Castellano EE, Nikolaou S, Tfouni E. Cis–trans isomerization in the syntheses of ruthenium cyclam complexes with nitric oxide. INORG CHEM COMMUN 2012. [DOI: 10.1016/j.inoche.2011.09.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Burks PT, Ford PC. Quantum dot photosensitizers. Interactions with transition metal centers. Dalton Trans 2012; 41:13030-42. [DOI: 10.1039/c2dt30465a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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26
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Caramori GF, Kunitz AG, Andriani KF, Doro FG, Frenking G, Tfouni E. The nature of Ru–NO bonds in ruthenium tetraazamacrocycle nitrosyl complexes—a computational study. Dalton Trans 2012; 41:7327-39. [DOI: 10.1039/c2dt12094a] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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27
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A new nitrosyl ruthenium complex nitric oxide donor presents higher efficacy than sodium nitroprusside on relaxation of airway smooth muscle. Eur J Pharm Sci 2011; 43:370-7. [PMID: 21605670 DOI: 10.1016/j.ejps.2011.05.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2011] [Revised: 05/02/2011] [Accepted: 05/08/2011] [Indexed: 11/21/2022]
Abstract
Nitric oxide (NO) has been demonstrated to be the primary agent in relaxing airways in humans and animals. We investigated the mechanisms involved in the relaxation induced by NO-donors, ruthenium complex [Ru(terpy)(bdq)NO(+)](3+) (TERPY) and sodium nitroprusside (SNP) in isolated trachea of rats contracted with carbachol in an isolated organs chamber. For instance, we verified the contribution of K(+) channels, the importance of sGC/cGMP pathway, the influence of the extra and intracellular Ca(2+) sources and the contribution of the epithelium on the relaxing response. Additionally, we have used confocal microscopy in order to analyze the action of the NO-donors on cytosolic Ca(2+) concentration. The results demonstrated that both compounds led to the relaxation of trachea in a dependent-concentration way. However, the maximum effect (E(max)) of TERPY is higher than the SNP. The relaxation induced by SNP (but not TERPY) was significantly reduced by pretreatment with ODQ (sGC inhibitor). Only TERPY-induced relaxation was reduced by tetraethylammonium (K(+) channels blocker) and by pre-contraction with 75mM KCl (membrane depolarization). The response to both NO-donors was not altered by the presence of thapsigargin (sarcoplasmic reticulum Ca(2+)-ATPase inhibitor). The epithelium removal has reduced the relaxation only to SNP, and it has no effect on TERPY. The both NO-donors reduced the contraction evoked by Ca(2+) influx, while TERPY have shown a higher inhibitory effect on contraction. Moreover, the TERPY was more effective than SNP in reducing the cytosolic Ca(2+) concentration measured by confocal microscopy. In conclusion, these results show that TERPY induces airway smooth muscle relaxation by cGMP-independent mechanisms, it involves the fluxes of Ca(2+) and K(+) across the membrane, it is more effective in reducing cytosolic Ca(2+) concentration and inducing relaxation in the rat trachea than the standard drug, SNP.
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28
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Ostrowski AD, Absalonson RO, Leo MAD, Wu G, Pavlovich JG, Adamson J, Azhar B, Iretskii AV, Megson IL, Ford PC. Photochemistry of trans-Cr(cyclam)(ONO)2+, a Nitric Oxide Precursor. Inorg Chem 2011; 50:4453-62. [DOI: 10.1021/ic200094x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Alexis D. Ostrowski
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Ryan O. Absalonson
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Malcolm A. De Leo
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Guang Wu
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - James G. Pavlovich
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Janet Adamson
- Free Radical Research Facility, Department of Diabetes and Cardiovascular Science, University of the Highlands & Islands, Inverness, IV2 3JH, Scotland, U.K
| | - Bilal Azhar
- Free Radical Research Facility, Department of Diabetes and Cardiovascular Science, University of the Highlands & Islands, Inverness, IV2 3JH, Scotland, U.K
| | - Alexei V. Iretskii
- Department of Chemistry & Environmental Sciences, Lake Superior State University, Sault Ste. Marie, Michigan 49783, United States
| | - Ian L. Megson
- Free Radical Research Facility, Department of Diabetes and Cardiovascular Science, University of the Highlands & Islands, Inverness, IV2 3JH, Scotland, U.K
| | - Peter C. Ford
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, United States
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29
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Doro FG, Pepe IM, Galembeck SE, Carlos RM, da Rocha ZN, Bertotti M, Tfouni E. Reactivity, photolability, and computational studies of the ruthenium nitrosyl complex with a substituted cyclam fac-[Ru(NO)Cl2(κ3N4,N8,N11(1-carboxypropyl)cyclam)]Cl·H2O. Dalton Trans 2011; 40:6420-32. [DOI: 10.1039/c0dt01541e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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30
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Affiliation(s)
- Ulrich Schatzschneider
- Lehrstuhl für Anorganische Chemie I – Bioanorganische Chemie and Research Department Interfacial Systems Chemistry (RD IFSC), Ruhr‐Universität Bochum NC 3/74, Universitätsstr. 150, 44801 Bochum, Germany, Fax: +49‐234‐32‐14378
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31
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Ostrowski AD, Deakin SJ, Azhar B, Miller TW, Franco N, Cherney MM, Lee AJ, Burstyn JN, Fukuto JM, Megson IL, Ford PC. Nitric Oxide Photogeneration from trans-Cr(cyclam)(ONO)2+ in a Reducing Environment. Activation of Soluble Guanylyl Cyclase and Arterial Vasorelaxation. J Med Chem 2009; 53:715-22. [DOI: 10.1021/jm9013357] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Alexis D. Ostrowski
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510
| | - Sherine J. Deakin
- Free Radical Research Facility, Department of Diabetes and Cardiovascular Science, UHI Millennium Institute, Inverness IV2 3JH, Scotland, U.K
| | - Bilal Azhar
- Free Radical Research Facility, Department of Diabetes and Cardiovascular Science, UHI Millennium Institute, Inverness IV2 3JH, Scotland, U.K
| | - Thomas W. Miller
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095
- Department of Pharmacology, University of California, Los Angeles School of Medicine, Center for the Health Sciences, Los Angeles, California 90095
| | - Nestor Franco
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095
| | - Melisa M. Cherney
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706
| | - Andrea J. Lee
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706
| | - Judith N. Burstyn
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706
| | - Jon M. Fukuto
- Department of Pharmacology, University of California, Los Angeles School of Medicine, Center for the Health Sciences, Los Angeles, California 90095
| | - Ian L. Megson
- Free Radical Research Facility, Department of Diabetes and Cardiovascular Science, UHI Millennium Institute, Inverness IV2 3JH, Scotland, U.K
| | - Peter C. Ford
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510
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Lunardi CN, da Silva RS, Bendhack LM. New nitric oxide donors based on ruthenium complexes. Braz J Med Biol Res 2009; 42:87-93. [PMID: 19219301 DOI: 10.1590/s0100-879x2009000100013] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Accepted: 01/12/2008] [Indexed: 11/21/2022] Open
Abstract
Nitric oxide (NO) donors produce NO-related activity when applied to biological systems. Among its diverse functions, NO has been implicated in vascular smooth muscle relaxation. Despite the great importance of NO in biological systems, its pharmacological and physiological studies have been limited due to its high reactivity and short half-life. In this review we will focus on our recent investigations of nitrosyl ruthenium complexes as NO-delivery agents and their effects on vascular smooth muscle cell relaxation. The high affinity of ruthenium for NO is a marked feature of its chemistry. The main signaling pathway responsible for the vascular relaxation induced by NO involves the activation of soluble guanylyl-cyclase, with subsequent accumulation of cGMP and activation of cGMP-dependent protein kinase. This in turn can activate several proteins such as K+ channels as well as induce vasodilatation by a decrease in cytosolic Ca2+. Oxidative stress and associated oxidative damage are mediators of vascular damage in several cardiovascular diseases, including hypertension. The increased production of the superoxide anion (O2-) by the vascular wall has been observed in different animal models of hypertension. Vascular relaxation to the endogenous NO-related response or to NO released from NO deliverers is impaired in vessels from renal hypertensive (2K-1C) rats. A growing amount of evidence supports the possibility that increased NO inactivation by excess O2- may account for the decreased NO bioavailability and vascular dysfunction in hypertension.
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Affiliation(s)
- C N Lunardi
- Laboratório de Farmacologia, Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil.
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33
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Bonaventura D, Lunardi CN, Rodrigues GJ, Neto MA, Vercesi JA, de Lima RG, da Silva RS, Bendhack LM. Endothelium negatively modulates the vascular relaxation induced by nitric oxide donor, due to uncoupling NO synthase. J Inorg Biochem 2009; 103:1366-74. [DOI: 10.1016/j.jinorgbio.2009.07.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2009] [Revised: 07/22/2009] [Accepted: 07/24/2009] [Indexed: 10/20/2022]
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34
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Calandreli I, Oliveira FDS, Liang G, da Rocha ZN, Tfouni E. Synthesis and characterization of trans-[Ru(NO)Cl(L)4](PF6)2 (L=isonicotinamide; 4-acetylpyridine) and related species. INORG CHEM COMMUN 2009. [DOI: 10.1016/j.inoche.2009.04.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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35
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Ostrowski AD, Ford PC. Metal complexes as photochemical nitric oxide precursors: Potential applications in the treatment of tumors. Dalton Trans 2009:10660-9. [DOI: 10.1039/b912898k] [Citation(s) in RCA: 150] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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36
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Pestana CR, Phelippin DPS, Polizello ACM, Dorta DJ, Uyemura SA, Santos AC, Doro FG, Rodrigues FP, Tfouni E, Curti C. Effects on mitochondria of mitochondria-induced nitric oxide release from a ruthenium nitrosyl complex. Nitric Oxide 2008; 20:24-30. [PMID: 18950724 DOI: 10.1016/j.niox.2008.10.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2008] [Revised: 09/09/2008] [Accepted: 10/01/2008] [Indexed: 10/21/2022]
Abstract
The ruthenium nitrosyl complex trans-[Ru(NO)(NH(3))(4)(py)](PF(6))(3) (pyNO), a nitric oxide (NO) donor, was studied in regard to the release of NO and its impact both on isolated mitochondria and HepG2 cells. In isolated mitochondria, NO release from pyNO was concomitant with NAD(P)H oxidation and, in the 25-100 microM range, it resulted in dissipation of mitochondrial membrane potential, inhibition of state 3 respiration, ATP depletion and reactive oxygen species (ROS) generation. In the presence of Ca(2+), mitochondrial permeability transition (MPT), an unspecific membrane permeabilization involved in cell necrosis and some types of apoptosis, was elicited. As demonstrated by externalization of phosphatidylserine and activation of caspase-9 and caspase-3, pyNO (50-100 microM) induced HepG2 cell death, mainly by apoptosis. The combined action of the NO itself, the peroxynitrite yielded by NO in the presence of reactive oxygen species (ROS) and the oxidative stress generated by the NAD(P)H oxidation is proposed to be involved in cell death by pyNO, both via respiratory chain inhibition and ROS levels increase, or even via MPT, if Ca(2+) is present.
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Affiliation(s)
- Cezar R Pestana
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. Café s/n, 14040-903 Ribeirão Preto, SP, Brazil
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37
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Rose MJ, Mascharak PK. Photoactive Ruthenium Nitrosyls: Effects of Light and Potential Application as NO Donors. Coord Chem Rev 2008; 252:2093-2114. [PMID: 21052477 PMCID: PMC2967751 DOI: 10.1016/j.ccr.2007.11.011] [Citation(s) in RCA: 245] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Michael J. Rose
- Department of Chemistry & Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064, USA
| | - Pradip K. Mascharak
- Department of Chemistry & Biochemistry, University of California Santa Cruz, Santa Cruz, CA 95064, USA
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38
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Holanda AK, da Silva FO, Sousa JR, Diógenes IC, Carvalho IM, Moreira ÍS, Clarke MJ, Lopes LG. Photochemical NO release from nitrosyl RuII complexes with C-bound imidazoles. Inorganica Chim Acta 2008. [DOI: 10.1016/j.ica.2008.02.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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39
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Doro FG, Castellano EE, Moraes LAB, Eberlin MN, Tfouni E. Cyclam κ4 to κ3 Ligand Denticity Change Upon Mono-N-Substitution with a Carboxypropyl Pendant Arm in a Ruthenium Nitrosyl Complex. Inorg Chem 2008; 47:4118-25. [DOI: 10.1021/ic702078p] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Fábio G. Doro
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040-901 Ribeirão Preto, SP, Brazil, Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brazil, and Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade Estadual de Campinas UNICAMP, Campinas, Brazil
| | - Eduardo E. Castellano
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040-901 Ribeirão Preto, SP, Brazil, Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brazil, and Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade Estadual de Campinas UNICAMP, Campinas, Brazil
| | - Luiz A. B. Moraes
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040-901 Ribeirão Preto, SP, Brazil, Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brazil, and Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade Estadual de Campinas UNICAMP, Campinas, Brazil
| | - Marcos N. Eberlin
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040-901 Ribeirão Preto, SP, Brazil, Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brazil, and Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade Estadual de Campinas UNICAMP, Campinas, Brazil
| | - Elia Tfouni
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040-901 Ribeirão Preto, SP, Brazil, Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brazil, and Laboratório ThoMSon de Espectrometria de Massas, Instituto de Química, Universidade Estadual de Campinas UNICAMP, Campinas, Brazil
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40
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Gomes AJ, Barbougli PA, Espreafico EM, Tfouni E. trans-[Ru(NO)(NH3)4(py)](BF4)3·H2O encapsulated in PLGA microparticles for delivery of nitric oxide to B16-F10 cells: Cytotoxicity and phototoxicity. J Inorg Biochem 2008; 102:757-66. [DOI: 10.1016/j.jinorgbio.2007.11.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2007] [Revised: 11/25/2007] [Accepted: 11/27/2007] [Indexed: 10/22/2022]
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Rose MJ, Mascharak PK. Fiat Lux: selective delivery of high flux of nitric oxide (NO) to biological targets using photoactive metal nitrosyls. Curr Opin Chem Biol 2008; 12:238-44. [DOI: 10.1016/j.cbpa.2008.02.009] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2007] [Revised: 01/30/2008] [Accepted: 02/07/2008] [Indexed: 12/25/2022]
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