1
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Chen J, Cui Y, Wu P, Dassanayake R, Yu P, Fu K, Sun Z, Liu Y, Zhou Y. Nitroxyl donating and visualization with a coumarin-based fluorescence probe. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124317. [PMID: 38692102 DOI: 10.1016/j.saa.2024.124317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 03/27/2024] [Accepted: 04/18/2024] [Indexed: 05/03/2024]
Abstract
Nitroxyl (HNO), the single-electron reduction product of nitric oxide (NO), has attracted great interest in the treatment of congestive heart failure in clinical trials. In this paper, we describe the first coumarin-based compound N-hydroxy-2-oxo-2H-chromene-6-sulfonamide (CD1) as a dualfunctional HNO donor, which can release both an HNO signaling molecule and a fluorescent reporter. Under physiological conditions (pH 7.4 and 37 °C), the CD1 HNO donor can readily decompose with a half-life of ∼90 min. The corresponding stoichiometry HNO from the CD1 donor was confirmed using both Vitamin B12 and phosphine compound traps. In addition to HNO releasing, specifically, the degradation product 2-oxo-2H-chromene-6-sulfinate (CS1) was generated as a fluorescent marker during the decomposition. Therefore, the HNO amount released in situ can be accurately monitored through fluorescence generation. As compared to the CD1 donor, the fluorescence intensity increased by about 4.9-fold. The concentration limit of detection of HNO releasing was determined to be ∼0.13 μM according to the fluorescence generation of CS1 at physiological conditions. Moreover, the bioimaging of the CD1 donor was demonstrated in the cell culture of HeLa cells, where the intracellular fluorescence signals were observed, inferring the site of HNO release. Finally, we anticipate that this novel coumarin-based CD1 donor opens a new platform for exploring the biology of HNO.
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Affiliation(s)
- Jiajun Chen
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Yunxi Cui
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Peixuan Wu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Rohan Dassanayake
- Department of Biosystems Technology, Faculty of Technology, University of Sri Jayewardenepura, Pitipana, Homagama 10200, Sri Lanka
| | - Peng Yu
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou 570102, China
| | - Kun Fu
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou 570102, China
| | - Zhicheng Sun
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing 102600, China
| | - Yuanyuan Liu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China
| | - Yang Zhou
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan 570228, China.
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2
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Kolliyedath G, Sahana T, Johnson SM, Kundu S. Synergistic Activation of Nitrite and Thiocarbonyl Compounds Affords NO and Sulfane Sulfur via (Per)thionitrite (SNO - /SSNO - ). Angew Chem Int Ed Engl 2023; 62:e202313187. [PMID: 37856704 DOI: 10.1002/anie.202313187] [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: 09/06/2023] [Revised: 10/10/2023] [Accepted: 10/19/2023] [Indexed: 10/21/2023]
Abstract
(Per)thionitrite (SNO- /SSNO- ) intermediates play vital roles in modulating nitric oxide (NO) and hydrogen sulfide (H2 S) dependent bio-signalling processes. Whilst the previous preparations of such intermediates involved reactive H2 S/HS- or sulfane sulfur (S0 ) species, the present report reveals that relatively stable thiocarbonyl compounds (such as carbon disulfide (CS2 ), thiocarbamate, thioacetic acid, and thioacetate) react with nitrite anion to yield SNO- /SSNO- . For instance, the reaction of CS2 and nitrite anion (NO2 - ) under ambient condition affords CO2 and SNO- /SSNO- . A detailed investigation involving UV/Vis, FTIR, HRMS, and multinuclear NMR studies confirm the formation of SNO- /SSNO- , which are proposed to form through an initial nucleophilic attack by nitrite anion followed by a transnitrosation step. Notably, reactions of CS2 and nitrite in the presence of thiol RSH show the formation of organic polysulfides R-Sn -R, thereby illustrating that the thiocarbonyls are capable of influencing the pool of bioavailable sulfane sulfurs. Furthermore, the availability of both NO2 - and thiocarbonyl motifs in the biological context hints at their synergistic metal-free activations leading to the generation of NO gas and various reactive sulfur species via SNO- /SSNO- .
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Affiliation(s)
- Gayathri Kolliyedath
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-Tvm) Thiruvananthapuram, 695551, Kerala, India
| | - Tuhin Sahana
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-Tvm) Thiruvananthapuram, 695551, Kerala, India
| | - Silpa Mary Johnson
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-Tvm) Thiruvananthapuram, 695551, Kerala, India
| | - Subrata Kundu
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-Tvm) Thiruvananthapuram, 695551, Kerala, India
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3
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Sookai S, Bracken ML, Nowakowska M. Spectroscopic and Computational pH Study of Ni II and Pd II Pyrrole-Imine Chelates with Human Serum Albumin. Molecules 2023; 28:7466. [PMID: 38005188 PMCID: PMC10673405 DOI: 10.3390/molecules28227466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/25/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
Human serum albumin (HSA) efficiently transports drugs in vivo: most are organic. Therefore, it is important to delineate the binding of small molecules to HSA. Here, for the first time, we show that HSA binding depends not only on the identity of the d8 metal ion, NiII or PdII, of their complexes with bis(pyrrole-imine), H2PrPyrr, but on the pH level as well. Fluorescence quenching data for native and probe-bound HSA showed that sites close to Trp-214 (subdomain IIA) are targeted. The affinity constants, Ka, ranged from ~3.5 × 103 M-1 to ~1 × 106 M-1 at 37 °C, following the order Pd(PrPyrr) > Ni(PrPyrr) at pH levels of 4 and 7; but Ni(PrPyrr) > Pd(PrPyrr) at a pH level of 9. Ligand uptake is enthalpically driven, dependent mainly on London dispersion forces. The induced CD spectra for the protein-bound ligands could be simulated by hybrid QM:MM TD-DFT methods, allowing us to delineate the binding site of the ligands and to prove that the metal chelates neither decompose nor demetallate after uptake by HSA. The transport and delivery of the metal chelates by HSA in vivo is therefore feasible.
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Affiliation(s)
- Sheldon Sookai
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg PO WITS 2050, South Africa; (M.L.B.); (M.N.)
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4
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Saha S, Maity S, Mazumdar R, Samanta B, Ghosh R, Guha AK, Mondal B. Sixth Ligand Induced HNO/NO - Release by a Five-Coordinated Cobalt(II) Nitrosyl Complex Having a {CoNO} 8 Configuration. Inorg Chem 2023; 62:17074-17082. [PMID: 37811901 DOI: 10.1021/acs.inorgchem.3c01124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Nitroxyl (HNO) and nitroxide (NO-) anion, the one-electron-reduced form of nitric oxide (NO), have been shown to have distinct advantages over NO from pharmacological and therapeutic points of view. However, the role of nitroxyl in chemical biology has not yet been studied as extensively as that of NO. Consequently, only a few examples of HNO donors such as Angeli's salt, Piloty's acid, or acyl- and acyloxynitroso derivatives are known. However, the intrinsic limitations of all of these hinder their widespread utility. Metal nitrosyl complexes, although few examples, could serve as an efficient HNO donor. Here, a cobalt nitrosyl complex of the {CoNO}8 (1) configuration has been reported. This complex in the presence of a sixth ligand [BF4-, DTC- (diethyldithiocarbamate anion), or imidazole] releases/donates HNO/NO-. This has been confirmed using well-known HNO/NO- acceptors like [Fe(TPP)Cl] and [Fe(DTC)3]. The HNO release has been authenticated further by the detection and estimation of N2O using gas chromatography-mass spectroscopy as well as its reaction with PPh3.
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Affiliation(s)
- Shankhadeep Saha
- Department of Chemistry, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam 781039, India
| | - Sayani Maity
- Department of Chemistry, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam 781039, India
| | - Rakesh Mazumdar
- Department of Chemistry, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam 781039, India
| | - Bapan Samanta
- Department of Chemistry, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam 781039, India
| | - Riya Ghosh
- Department of Chemistry, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam 781039, India
| | - Ankur K Guha
- Advanced Computational Chemistry Center, Department of Chemistry, Cotton University, Guwahati, Assam781001, India
| | - Biplab Mondal
- Department of Chemistry, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam 781039, India
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5
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Gee LB, Lim J, Kroll T, Sokaras D, Alonso-Mori R, Lee CM. Unraveling Metal-Ligand Bonding in an HNO-Evolving {FeNO} 6 Complex with a Combined X-ray Spectroscopic Approach. J Am Chem Soc 2023; 145:20733-20738. [PMID: 37610249 PMCID: PMC10876219 DOI: 10.1021/jacs.3c04479] [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] [Indexed: 08/24/2023]
Abstract
Photolytic delivery of nitric oxide and nitroxide has substantial biomedical and phototherapeutic applications. Here, we utilized hard X-ray spectroscopic methods to identify key geometric and electronic structural features of two photolabile {FeNO}6 complexes where the compounds differ in the presence of a pendant thiol in [Fe(NO)(TMSPS2)(TMSPS2H)] and thioether in [Fe(NO)(TMSPS2)(TMSPS2CH3)] with the former complex being the only transition metal system to photolytically generate HNO. Fe Kβ XES identifies the photoreactant systems as essentially Fe(II)-NO+, while valence-to-core XES extracts a NO oxidation state of +0.5. Finally, the pre-edge of the Fe high-energy-resolution fluorescence detected (HERFD) XAS spectra is shown to be acutely sensitive to perturbation of the Fe-NO covalency enhanced by the 3d-4p orbital mixing dipole intensity contribution. Collectively, this X-ray spectroscopic approach enables future time-resolved insights in these systems and extensions to other challenging redox noninnocent {FeNO}x systems.
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Affiliation(s)
- Leland B. Gee
- LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Jinkyu Lim
- LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
- SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Thomas Kroll
- SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Dimosthenis Sokaras
- SSRL, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Roberto Alonso-Mori
- LCLS, SLAC National Accelerator Laboratory, Menlo Park, California 94025, United States
| | - Chien-Ming Lee
- Department of Applied Science, National Taitung University, Taitung 950, Taiwan
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6
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Guo Q, Qian X, Chen J, Wu Y, Fu K, Sun Z, Zheng Z, Liu Y, Zhou Y. Synthesis and nitroxyl (HNO) donating properties of benzoxadiazole-based Piloty's acids. Nitric Oxide 2023:S1089-8603(23)00048-4. [PMID: 37217001 DOI: 10.1016/j.niox.2023.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 05/24/2023]
Abstract
Developing functional nitroxyl (HNO) donors play a significant role in the further exploration of endogenous HNO in biochemistry and pharmacology. In this work, two novel Piloty's acids (SBD-D1 and SBD-D2) were proposed by incorporating benzoxadiazole-based fluorophores, in order to achieve the dual-function of releasing both HNO and a fluorophore in situ. Under physiological conditions, both SBD-D1 and SBD-D2 efficiently donated HNO (t1/2 = 10.96 and 8.18 min, respectively). The stoichiometric generation of HNO was determined by both vitamin B12 and phosphine compound traps. Interestingly, due to the different substitution groups on the aromatic ring, SBD-D1 with the chlorine showed no fluorescence emission, but SBD-D2 was strongly fluorescent due to the presence of the dimethylamine group. Specifically, the fluorescent signal would decrease during the release process of HNO. Moreover, theoretical calculations were performed to understand the emission difference. A strong radiation derived from benzoxadiazole with dimethylamine group due to the large transition dipole moment (∼4.3 Debye), while the presence of intramolecular charge transfer process in the donor with chlorine group caused a small transition dipole moment (<0.1 Debye). Finally, these studies would contribute to the future design and application of novel functional HNO donors for the exploration of HNO biochemistry and pharmacology.
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Affiliation(s)
- Qingwei Guo
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan, 570228, China
| | - Xin Qian
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
| | - Jiajun Chen
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan, 570228, China
| | - Yangyang Wu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan, 570228, China
| | - Kun Fu
- Department of Joint Surgery, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 570102, China
| | - Zhicheng Sun
- Beijing Engineering Research Center of Printed Electronics, Beijing Institute of Graphic Communication, Beijing, 102600, China
| | - Zilong Zheng
- Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
| | - Yuanyuan Liu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan, 570228, China.
| | - Yang Zhou
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Haikou, Hainan, 570228, China.
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7
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Chen H, Lee G, Chien S, Lee C. Light‐induced
NO
release from iron‐nitrosyl‐thiolato complex: The role of noncovalent thiol/thioether. J CHIN CHEM SOC-TAIP 2023. [DOI: 10.1002/jccs.202300002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Affiliation(s)
- Huai‐Cheng Chen
- Department of Applied Science National Taitung University Taitung Taiwan
| | - Gene‐Hsiang Lee
- Instrumentation Center National Taiwan University Taipei Taiwan
| | - Su‐Ying Chien
- Instrumentation Center National Taiwan University Taipei Taiwan
| | - Chien‐Ming Lee
- Department of Applied Science National Taitung University Taitung Taiwan
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8
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Mondal A, Reddy KP, Som S, Chopra D, Kundu S. Nitrate and Nitrite Reductions at Copper(II) Sites: Role of Noncovalent Interactions from Second-Coordination-Sphere. Inorg Chem 2022; 61:20337-20345. [DOI: 10.1021/acs.inorgchem.2c02775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Affiliation(s)
- Aditesh Mondal
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISERTVM), Thiruvananthapuram 695551, India
| | - Kiran P. Reddy
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISERTVM), Thiruvananthapuram 695551, India
| | - Shubham Som
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal (IISERB), Bhopal Bypass Road, Bhauri, Bhopal 462066, India
| | - Deepak Chopra
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal (IISERB), Bhopal Bypass Road, Bhauri, Bhopal 462066, India
| | - Subrata Kundu
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISERTVM), Thiruvananthapuram 695551, India
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9
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Padmanaban S, Choi J, Vazquez-Lima H, Ko D, Yoo D, Gwak J, Cho KB, Lee Y. Nickel-Catalyzed NO Group Transfer Coupled with NO x Conversion. J Am Chem Soc 2022; 144:4585-4593. [PMID: 35157442 DOI: 10.1021/jacs.1c13560] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Nitrogen oxide (NOx) conversion is an important process for balancing the global nitrogen cycle. Distinct from the biological NOx transformation, we have devised a synthetic approach to this issue by utilizing a bifunctional metal catalyst for producing value-added products from NOx. Here, we present a novel catalysis based on a Ni pincer system, effectively converting Ni-NOx to Ni-NO via deoxygenation with CO(g). This is followed by transfer of the in situ generated nitroso group to organic substrates, which favorably occurs at the flattened Ni(I)-NO site via its nucleophilic reaction. Successful catalytic production of oximes from benzyl halides using NaNO2 is presented with a turnover number of >200 under mild conditions. In a key step of the catalysis, a nickel(I)-•NO species effectively activates alkyl halides, which is carefully evaluated by both experimental and theoretical methods. Our nickel catalyst effectively fulfills a dual purpose, namely, deoxygenating NOx anions and catalyzing C-N coupling.
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Affiliation(s)
- Sudakar Padmanaban
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Jonghoon Choi
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Hugo Vazquez-Lima
- Department of Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Donghwi Ko
- Department of Chemistry, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea
| | - Dagyum Yoo
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Jinseong Gwak
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyung-Bin Cho
- Department of Chemistry, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Yunho Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
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10
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Banerjee P, Kar M, Dinda P, Mandal TK. Ionic liquid-based unconventional photoinitiators for aqueous polymerization. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Gallego CM, Mazzeo A, Gaviglio C, Pellegrino J, Doctorovich F. Structure and Reactivity of NO/NO
+
/NO
−
Pincer and Porphyrin Complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100682] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Cecilia Mariel Gallego
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Pabellón 2, Ciudad Universitaria Buenos Aires Argentina
| | - Agostina Mazzeo
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Pabellón 2, Ciudad Universitaria Buenos Aires Argentina
| | - Carina Gaviglio
- Departamento de Física de la Materia Condensada Comisión Nacional de Energía Atómica, CAC-GIyANN Avenida General Paz 1499, San Martín Buenos Aires Argentina
| | - Juan Pellegrino
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Pabellón 2, Ciudad Universitaria Buenos Aires Argentina
| | - Fabio Doctorovich
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires Pabellón 2, Ciudad Universitaria Buenos Aires Argentina
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12
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Mazumdar R, Saha S, Samanta B, Mondal B. Can a Nitrosyl of a Mn(II)-Porphyrin Complex Release Nitroxyl/HNO? Inorg Chem 2021; 60:18024-18030. [PMID: 34797639 DOI: 10.1021/acs.inorgchem.1c02606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In general, the nitrosyl complexes of Mn(II)-porphyrinate having the {Mn(NO)}6 configuration are not considered as HNO or nitroxyl (NO-) donors because of [MnI-NO+] nature. A nitrosyl complex of Mn(II)-porphyrin, [Mn(TMPP2-)(NO)], 1 [TMPPH2 = 5,10,15,20-tetrakis-4-methoxyphenylporphyrin], is shown to release HNO in the presence of HBF4. It is evidenced from the characteristic reaction of HNO with triphenylphosphine and isolation of the [(TMPP2-)MnIII(H2O)2](BF4), 2. This is attributed to the fact that H+ from HBF4 polarizes the NO group whereas the BF4- interacts with metal ion to stabilize the Mn(III) form. These two effects cooperatively result in the release of HNO from complex 1. In addition, complex 1 behaves as a nitroxyl (NO-) donor in the presence of [Fe(dtc)3] (dtc = diethyldithiocarbamate anion) and [Fe(TPP)(Cl)] (TPP = 5,10,15,20-tetraphenylporphyrinate) to result in [Fe(dtc)2(NO)] and [Fe(TPP)(NO)], respectively.
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Affiliation(s)
- Rakesh Mazumdar
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Shankhadeep Saha
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Bapan Samanta
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Biplab Mondal
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
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13
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Tung CY, Tseng YT, Lu TT, Liaw WF. Insight into the Electronic Structure of Biomimetic Dinitrosyliron Complexes (DNICs): Toward the Syntheses of Amido-Bridging Dinuclear DNICs. Inorg Chem 2021; 60:15846-15873. [PMID: 34009960 DOI: 10.1021/acs.inorgchem.1c00566] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The ubiquitous function of nitric oxide (NO) guided the biological discovery of the natural dinitrosyliron unit (DNIU) [Fe(NO)2] as an intermediate/end product after Fe nitrosylation of nonheme cofactors. Because of the natural utilization of this cofactor for the biological storage and delivery of NO, a bioinorganic study of synthetic dinitrosyliron complexes (DNICs) has been extensively explored in the last 2 decades. The bioinorganic study of DNICs involved the development of synthetic methodology, spectroscopic discrimination, biological application of NO-delivery reactivity, and translational application to the (catalytic) transformation of small molecules. In this Forum Article, we aim to provide a systematic review of spectroscopic and computational insights into the bonding nature within the DNIU [Fe(NO)2] and the electronic structure of different types of DNICs, which highlights the synchronized advance in synthetic methodology and spectroscopic tools. With regard to the noninnocent nature of a NO ligand, spectroscopic and computational tools were utilized to provide qualitative/quantitative assignment of oxidation states of Fe and NO in DNICs with different redox levels and ligation modes as well as to probe the Fe-NO bonding interaction modulated by supporting ligands. Besides the strong antiferromagnetic coupling between high-spin Fe and paramagnetic NO ligands within the covalent DNIU [Fe(NO)2], in polynuclear DNICs, the effects of the Fe···Fe distance, nature of the bridging ligands, and type of bridging modes on the regulation of the magnetic coupling among paramagnetic DNIU [Fe(NO)2] are further reviewed. In the last part of this Forum Article, the sequential reaction of {Fe(NO)2}10 DNIC [(NO)2Fe(AMP)] (1-red) with NO(g), HBF4, and KC8 establishes a synthetic cycle, {Fe(NO)2}9-{Fe(NO)2}9 DNIC [(NO)2Fe(μ-dAMP)2Fe(NO)2] (1) → {Fe(NO)2}9 DNIC [(NO2)Fe(AMP)][BF4] (1-H) → {Fe(NO)2}10 DNIC 1-red → DNIC 1, for the transformation of NO into HNO/N2O. Of importance, the NO-induced transformation of {Fe(NO)2}10 DNIC 1-red and [(NO)2Fe(DTA)] (2-red; DTA = diethylenetriamine) unravels a synthetic strategy for preparation of the {Fe(NO)2}9-{Fe(NO)2}9 DNICs [(NO)2Fe(μ-NHR)2Fe(NO)2] containing amido-bridging ligands, which hold the potential to feature distinctive physical properties, chemical reactivities, and biological applications.
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Affiliation(s)
- Chi-Yen Tung
- Department of Chemistry, National Tsing Hua University (NTHU), Hsinchu 30013 Taiwan
| | - Yu-Ting Tseng
- Department of Chemistry, National Tsing Hua University (NTHU), Hsinchu 30013 Taiwan
| | - Tsai-Te Lu
- Institute of Biomedical Engineering, National Tsing Hua University (NTHU), Hsinchu 30013, Taiwan
| | - Wen-Feng Liaw
- Department of Chemistry, National Tsing Hua University (NTHU), Hsinchu 30013 Taiwan
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14
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Popp J, Riggenmann T, Schröder D, Ampßler T, Salvador P, Klüfers P. Bent and Linear {CoNO} 8 Entities: Structure and Bonding in a Prototypic Class of Nitrosyls. Inorg Chem 2021; 60:15980-15996. [PMID: 34612642 DOI: 10.1021/acs.inorgchem.1c00998] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Among the isoelectronic ligands CN-, CO, and NO+, an oblique bonding to the metal is well-established for the nitrosyl ligand, with M-N-O angles down to ≈120°. In the last decades, the nitrosyl community got into the habit of addressing a bent-bonded nitrosyl ligand as 1NO-. Thus, because various redox forms of a nitrosyl ligand seem to exist, the ligand is considered to be "noninnocent" because of the obvious ambiguity of an oxidation state (OS) assignment of the ligand and metal. Among the bent-bonded species, the low-spin {CoNO}8 class is prototypic. From this class, some 20 new nitrosyl compounds, the X-ray structure determinations of which comply with strict quality criteria, were analyzed with respect to the OS issue. As a result, the effective OS method shows a low-spin d8 CoI-NO+ couple instead of a negative OS of the ligand at the BP86/def2-TZVP (+D3, +CPCM with infinite permittivity) level of theory. The same holds for some new members of the linear subclass of {CoNO}8 compounds. For all compounds, a largely invariable "real" charge of ≈ -0.3 e was obtained from population analyses. All of these electron-rich d8 species strive to manage Pauli repulsion between the metal electrons and the lone pair at the nitrosyl's nitrogen atom, with the bending of the CoNO unit as the most frequent escape.
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Affiliation(s)
- Jens Popp
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Tobias Riggenmann
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Daniel Schröder
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Torsten Ampßler
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, 81377 Munich, Germany
| | - Pedro Salvador
- Institut de Química Computacional i Catàlisi i Departament de Química, Universitat de Girona, Maria Aurèlia Capmany 69, 17003 Girona, Spain
| | - Peter Klüfers
- Department of Chemistry, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, 81377 Munich, Germany
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15
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Gallego CM, Mazzeo A, Vargas P, Suárez S, Pellegrino J, Doctorovich F. Azanone (HNO): generation, stabilization and detection. Chem Sci 2021; 12:10410-10425. [PMID: 34447533 PMCID: PMC8356739 DOI: 10.1039/d1sc02236a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022] Open
Abstract
HNO (nitroxyl, azanone), joined the 'biologically relevant reactive nitrogen species' family in the 2000s. Azanone is impossible to store due to its high reactivity and inherent low stability. Consequently, its chemistry and effects are studied using donor compounds, which release this molecule in solution and in the gas phase upon stimulation. Researchers have also tried to stabilize this elusive species and its conjugate base by coordination to metal centers using several ligands, like metalloporphyrins and pincer ligands. Given HNO's high reactivity and short lifetime, several different strategies have been proposed for its detection in chemical and biological systems, such as colorimetric methods, EPR, HPLC, mass spectrometry, fluorescent probes, and electrochemical analysis. These approaches are described and critically compared. Finally, in the last ten years, several advances regarding the possibility of endogenous HNO generation were made; some of them are also revised in the present work.
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Affiliation(s)
- Cecilia Mariel Gallego
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria Pab. 2 C1428EHA Buenos Aires Argentina
| | - Agostina Mazzeo
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria Pab. 2 C1428EHA Buenos Aires Argentina
| | - Paola Vargas
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria Pab. 2 C1428EHA Buenos Aires Argentina
| | - Sebastián Suárez
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria Pab. 2 C1428EHA Buenos Aires Argentina
| | - Juan Pellegrino
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria Pab. 2 C1428EHA Buenos Aires Argentina
| | - Fabio Doctorovich
- Departamento de Química Inorgánica, Analítica, y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, INQUIMAE-CONICET, Ciudad Universitaria Pab. 2 C1428EHA Buenos Aires Argentina
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16
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Luo W, Wang Z, Cao X, Liang D, Wei M, Yin K, Li L. Construction of Benzo-1,2,3-thiazaphosphole Heterocycles by Annulations of ortho-Phosphinoarenesulfonyl Fluorides with Trimethylsilyl Azide. J Org Chem 2020; 85:14785-14794. [PMID: 32885966 DOI: 10.1021/acs.joc.0c01309] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Annulations of ortho-phosphinoarenesulfonyl fluorides with trimethylsilyl azide were developed to access an unprecedented benzo-1,2,3-thiazaphosphole heterocycle. A corresponding reaction mechanism was proposed and further elucidated by experimental and computational studies. The reaction proceeds through a Staudinger-type iminophosphorane intermediate followed by intramolecular trapping with sulfonyl fluoride.
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Affiliation(s)
- Wenjun Luo
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Zhenguo Wang
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Xiaohui Cao
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Dacheng Liang
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Mingjie Wei
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Keshu Yin
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
| | - Le Li
- PCFM Lab and GDHPRC Lab, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China
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17
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Amanullah S, Dey A. The role of porphyrin peripheral substituents in determining the reactivities of ferrous nitrosyl species. Chem Sci 2020; 11:5909-5921. [PMID: 32832056 PMCID: PMC7407271 DOI: 10.1039/d0sc01625j] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 05/07/2020] [Indexed: 12/02/2022] Open
Abstract
Ferrous nitrosyl {FeNO}7 species is an intermediate common to the catalytic cycles of Cd1NiR and CcNiR, two heme-based nitrite reductases (NiR), and its reactivity varies dramatically in these enzymes.
Ferrous nitrosyl {FeNO}7 species is an intermediate common to the catalytic cycles of Cd1NiR and CcNiR, two heme-based nitrite reductases (NiR), and its reactivity varies dramatically in these enzymes. The former reduces NO2– to NO in the denitrification pathway while the latter reduces NO2– to NH4+ in a dissimilatory nitrite reduction. With very similar electron transfer partners and heme based active sites, the origin of this difference in reactivity has remained unexplained. Differences in the structure of the heme d1 (Cd1NiR), which bears electron-withdrawing groups and has saturated pyrroles, relative to heme c (CcNiR) are often invoked to explain these reactivities. A series of iron porphyrinoids, designed to model the electron-withdrawing peripheral substitution as well as the saturation present in heme d1 in Cd1NiR, and their NO adducts were synthesized and their properties were investigated. The data clearly show that the presence of electron-withdrawing groups (EWGs) and saturated pyrroles together in a synthetic porphyrinoid (FeDEsC) weakens the Fe–NO bond in {FeNO}7 adducts along with decreasing the bond dissociation free energies (BDFENH) of the {FeHNO}8 species. The EWG raises the E° of the {FeNO}7/8 process, making the electron transfer (ET) facile, but decreases the pKa of {FeNO}8 species, making protonation (PT) difficult, while saturation has the opposite effect. The weakening of the Fe–NO bonding biases the {FeNO}7 species of FeDEsC for NO dissociation, as in Cd1NiR, which is otherwise set-up for a proton-coupled electron transfer (PCET) to form an {FeHNO}8 species eventually leading to its further reduction to NH4+.
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Affiliation(s)
- Sk Amanullah
- School of Chemical Sciences , Indian Association for the Cultivation of Science , 2A & 2B Raja SC Mullick Road , Kolkata , India - 700032 .
| | - Abhishek Dey
- School of Chemical Sciences , Indian Association for the Cultivation of Science , 2A & 2B Raja SC Mullick Road , Kolkata , India - 700032 .
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18
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Chiang CK, Chu KT, Lin CC, Xie SR, Liu YC, Demeshko S, Lee GH, Meyer F, Tsai ML, Chiang MH, Lee CM. Photoinduced NO and HNO Production from Mononuclear {FeNO}6 Complex Bearing a Pendant Thiol. J Am Chem Soc 2020; 142:8649-8661. [DOI: 10.1021/jacs.9b13837] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Chuan-Kuei Chiang
- Department of Applied Science, National Taitung University, Taitung 950, Taiwan
| | - Kai-Ti Chu
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Chia-Chin Lin
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
| | - Shi-Rou Xie
- Department of Applied Science, National Taitung University, Taitung 950, Taiwan
| | - Yu-Chiao Liu
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
| | - Serhiy Demeshko
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstraße 4, D-37077 Göttingen, Germany
| | - Gene-Hsiang Lee
- Instrumentation Center, National Taiwan University, Taipei 107, Taiwan
| | - Franc Meyer
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstraße 4, D-37077 Göttingen, Germany
| | - Ming-Li Tsai
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ming-Hsi Chiang
- Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chien-Ming Lee
- Department of Applied Science, National Taitung University, Taitung 950, Taiwan
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19
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20
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Bhattacharya S, Lakshman TR, Sutradhar S, Tiwari CK, Paine TK. Bioinspired oxidation of oximes to nitric oxide with dioxygen by a nonheme iron(II) complex. J Biol Inorg Chem 2019; 25:3-11. [PMID: 31637527 DOI: 10.1007/s00775-019-01726-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 09/24/2019] [Indexed: 11/29/2022]
Abstract
The ability of two iron(II) complexes, [(TpPh2)FeII(benzilate)] (1) and [(TpPh2)(FeII)2(NPP)3] (2) (TpPh2 = hydrotris(3,5-diphenylpyrazol-1-yl)borate, NPP-H = α-isonitrosopropiophenone), of a monoanionic facial N3 ligand in the O2-dependent oxidation of oximes is reported. The mononuclear complex 1 reacts with dioxygen to decarboxylate the iron-coordinated benzilate. The oximate-bridged dinuclear complex (2), which contains a high-spin (TpPh2)FeII unit and a low-spin iron(II)-oximate unit, activates dioxygen at the high-spin iron(II) center. Both the complexes exhibit the oxidative transformation of oximes to the corresponding carbonyl compounds with the incorporation of one oxygen atom from dioxygen. In the oxidation process, the oxime units are converted to nitric oxide (NO) or nitroxyl (HNO). The iron(II)-benzilate complex (1) reacts with oximes to afford HNO, whereas the iron(II)-oximate complex (2) generates NO. The results described here suggest that the oxidative transformation of oximes to NO/HNO follows different pathways depending upon the nature of co-ligand/reductant.Graphic abstract.
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Affiliation(s)
- Shrabanti Bhattacharya
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Triloke Ranjan Lakshman
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Subhankar Sutradhar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Chandan Kumar Tiwari
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India
| | - Tapan Kanti Paine
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata, 700032, India.
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21
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Chen YJ, Wu SC, Wang HC, Wu TH, Yuan SSF, Lu TT, Liaw WF, Wang YM. Activation of Angiogenesis and Wound Healing in Diabetic Mice Using NO-Delivery Dinitrosyl Iron Complexes. Mol Pharm 2019; 16:4241-4251. [PMID: 31436106 DOI: 10.1021/acs.molpharmaceut.9b00586] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In diabetes, abnormal angiogenesis due to hyperglycemia and endothelial dysfunction impairs wound healing and results in high risks of diabetic foot ulcers and mortality. Alternative therapeutic methods were attempted to prevent diabetic complications through the activation of endothelial nitric oxide synthase. In this study, direct application of nitric oxide using dinitrosyl iron complexes (DNICs) to promote angiogenesis and wound healing under physiological conditions and in diabetic mice is investigated. Based on in vitro and in vivo studies, DNIC [Fe2(μ-SCH2CH2OH)2(NO)4] (DNIC-1) with a sustainable NO-release reactivity (t1/2 = 27.4 ± 0.5 h at 25 °C and 16.8 ± 1.8 h at 37 °C) activates the NO-sGC-cGMP pathway and displays the best pro-angiogenesis activity overwhelming other NO donors and the vascular endothelial growth factor. Moreover, this pro-angiogenesis effect of DNIC-1 restores the impaired angiogenesis in the ischemic hind limb and accelerates the recovery rate of wound closure in diabetic mice. This study translates synthetic DNIC-1 into a novel therapeutic agent for the treatment of diabetes and highlights its sustainable •NO-release reactivity on the activation of angiogenesis and wound healing.
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Affiliation(s)
| | | | - Hsiang-Ching Wang
- Biomedical Technology and Device Research Laboratories , Industrial Technology Research Institute , Hsinchu 310 , Taiwan
| | - Tung-Ho Wu
- Division of Cardiovascular Surgery, Department of Surgery and Division of Surgical Critical Care, Department of Critical Care Medicine , Veterans General Hospital , Kaohsiung 813 , Taiwan
| | - Shyng-Shiou F Yuan
- Translational Research Center and Department of Obstetrics and Gynecology , Kaohsiung Medical University Hospital, Kaohsiung Medical University , Kaohsiung 807 , Taiwan
| | | | | | - Yun-Ming Wang
- Department of Biomedical Science and Environmental Biology , Kaohsiung Medical University , Kaohsiung 807 , Taiwan
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22
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Shin S, Choe J, Park Y, Jeong D, Song H, You Y, Seo D, Cho J. Artificial Control of Cell Signaling Using a Photocleavable Cobalt(III)–Nitrosyl Complex. Angew Chem Int Ed Engl 2019; 58:10126-10131. [DOI: 10.1002/anie.201903106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/07/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Sangwon Shin
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Jisu Choe
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Youngchan Park
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
- Department of ChemistryKAIST Daejeon 34141 Republic of Korea
| | - Donghyun Jeong
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Hyunjoon Song
- Department of ChemistryKAIST Daejeon 34141 Republic of Korea
| | - Youngmin You
- Division of Chemical Engineering and Materials ScienceEwha Womans University Seoul 03760 Republic of Korea
| | - Daeha Seo
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Jaeheung Cho
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
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23
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Shin S, Choe J, Park Y, Jeong D, Song H, You Y, Seo D, Cho J. Artificial Control of Cell Signaling Using a Photocleavable Cobalt(III)–Nitrosyl Complex. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Sangwon Shin
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Jisu Choe
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Youngchan Park
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
- Department of ChemistryKAIST Daejeon 34141 Republic of Korea
| | - Donghyun Jeong
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Hyunjoon Song
- Department of ChemistryKAIST Daejeon 34141 Republic of Korea
| | - Youngmin You
- Division of Chemical Engineering and Materials ScienceEwha Womans University Seoul 03760 Republic of Korea
| | - Daeha Seo
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
| | - Jaeheung Cho
- Department of Emerging Materials ScienceDGIST Daegu 42988 Republic of Korea
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24
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Confer AM, Vilbert AC, Dey A, Lancaster KM, Goldberg DP. A Mononuclear, Nonheme Fe II-Piloty's Acid (PhSO 2NHOH) Adduct: An Intermediate in the Production of {FeNO} 7/8 Complexes from Piloty's Acid. J Am Chem Soc 2019; 141:7046-7055. [PMID: 30994347 DOI: 10.1021/jacs.9b01700] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Reaction of the mononuclear nonheme complex [FeII(CH3CN)(N3PyS)]BF4 (1) with an HNO donor, Piloty's acid (PhSO2NHOH, P.A.), at low temperature affords a high-spin ( S = 2) FeII-P.A. intermediate (2), characterized by 57Fe Mössbauer and Fe K-edge X-ray absorption (XAS) spectroscopies, with interpretation of both supported by DFT calculations. The combined methods indicate that P.A. anion binds as the N-deprotonated tautomer (PhSO2NOH-) to [FeII(N3PyS)]+, leading to 2. Complex 2 is the first spectroscopically characterized example, to our knowledge, of P.A. anion bound to a redox-active metal center. Warming of 2 above -60 °C yields the stable {FeNO}7 complex [Fe(NO)(N3PyS)]BF4 (4), as evidenced by 1H NMR, ATR-IR, and Mössbauer spectroscopies. Isotope labeling experiments with 15N-labeled P.A. confirm that the nitrosyl ligand in 4 derives from P.A. In contrast, addition of a second equivalent of a strong base leads to S-N cleavage and production of an {FeNO}8 species, the deprotonated analog of an Fe-HNO complex. This work has implications for the targeted delivery of HNO/NO-/NO· to nonheme Fe centers in biological and synthetic applications, and suggests a new role for nonheme FeII complexes in the assisted degradation of HNO donor molecules.
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Affiliation(s)
- Alex M Confer
- Department of Chemistry , The Johns Hopkins University , Baltimore , Maryland 21218 , United States
| | - Avery C Vilbert
- Baker Laboratory, Department of Chemistry and Chemical Biology , Cornell University , Ithaca , New York 14853 , United States
| | - Aniruddha Dey
- Department of Chemistry , The Johns Hopkins University , Baltimore , Maryland 21218 , United States
| | - Kyle M Lancaster
- Baker Laboratory, Department of Chemistry and Chemical Biology , Cornell University , Ithaca , New York 14853 , United States
| | - David P Goldberg
- Department of Chemistry , The Johns Hopkins University , Baltimore , Maryland 21218 , United States
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25
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Zhou Y, Cink RB, Seed AJ, Simpson MC, Sampson P, Brasch NE. Stoichiometric Nitroxyl Photorelease Using the (6-Hydroxy-2-naphthalenyl)methyl Phototrigger. Org Lett 2019; 21:1054-1057. [PMID: 30694069 DOI: 10.1021/acs.orglett.8b04099] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The design and synthesis of a photoactivatable HNO donor incorporating the (6-hydroxynaphthalen-2-yl)methyl (6,2-HNM) photocage coupled to the trifluoromethanesulfonamidoxy analogue of the well-established HNO generator Piloty's acid is described. The photoactive HNO donor stoichiometrically generates HNO (∼98%) at neutral pH conditions, and evidence for concerted C-O and N-S bond cleavage was obtained. The methanesulfonamidoxy analogue primarily undergoes undesired N-O bond cleavage.
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Affiliation(s)
- Yang Zhou
- Department of Chemistry and Biochemistry , Kent State University , Kent , Ohio 44242 , United States
| | - Ruth B Cink
- School of Science , Auckland University of Technology , Auckland 1142 , New Zealand.,Dodd-Walls Centre for Quantum and Photonic Technologies , Dunedin 9054 , New Zealand.,The Photon Factory, School of Chemical Sciences , The University of Auckland , Auckland 1142 , New Zealand
| | - Alexander J Seed
- Department of Chemistry and Biochemistry , Kent State University , Kent , Ohio 44242 , United States
| | - M Cather Simpson
- Dodd-Walls Centre for Quantum and Photonic Technologies , Dunedin 9054 , New Zealand.,The Photon Factory, School of Chemical Sciences , The University of Auckland , Auckland 1142 , New Zealand.,The Department of Physics , The University of Auckland, The MacDiarmid Institute for Advanced Materials and Nanotechnology , Auckland 1142 , New Zealand
| | - Paul Sampson
- Department of Chemistry and Biochemistry , Kent State University , Kent , Ohio 44242 , United States
| | - Nicola E Brasch
- School of Science , Auckland University of Technology , Auckland 1142 , New Zealand.,Dodd-Walls Centre for Quantum and Photonic Technologies , Dunedin 9054 , New Zealand
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26
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Guo Y, Stroka JR, Kandemir B, Dickerson CE, Bren KL. Cobalt Metallopeptide Electrocatalyst for the Selective Reduction of Nitrite to Ammonium. J Am Chem Soc 2018; 140:16888-16892. [PMID: 30457856 DOI: 10.1021/jacs.8b09612] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A cobalt-tripeptide complex (CoGGH) is developed as an electrocatalyst for the selective six-electron, eight-proton reduction of nitrite to ammonium in aqueous buffer near neutral pH. The onset potential for nitrite reduction occurs at -0.65 V vs Ag/AgCl (1 M KCl). Controlled potential electrolysis at -0.90 V generates ammonium with a faradaic efficiency of 90 ± 3% and a turnover number of 3550 ± 420 over 5.5 h. CoGGH also catalyzes the reduction of the proposed intermediates nitric oxide and hydroxylamine to ammonium. These results reveal that a simple metallopeptide is an active functional mimic of the complex enzymes cytochrome c nitrite reductase and siroheme-containing nitrite reductase.
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Affiliation(s)
- Yixing Guo
- Department of Chemistry , University of Rochester , Rochester , New York 14627-0216 , United States
| | - Jesse R Stroka
- Department of Chemistry , University of Rochester , Rochester , New York 14627-0216 , United States
| | - Banu Kandemir
- Department of Chemistry , University of Rochester , Rochester , New York 14627-0216 , United States.,Department of Chemistry , Middle East Technical University , North Cyprus via Mersin 10 , Turkey
| | - Claire E Dickerson
- Department of Chemistry , University of Rochester , Rochester , New York 14627-0216 , United States
| | - Kara L Bren
- Department of Chemistry , University of Rochester , Rochester , New York 14627-0216 , United States
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27
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Huang HW, Lin YH, Lin MH, Huang YR, Chou CH, Hong HC, Wang MR, Tseng YT, Liao PC, Chung MC, Ma YJ, Wu SC, Chuang YJ, Wang HD, Wang YM, Huang HD, Lu TT, Liaw WF. Extension of C. elegans lifespan using the ·NO-delivery dinitrosyl iron complexes. J Biol Inorg Chem 2018; 23:775-784. [DOI: 10.1007/s00775-018-1569-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 05/18/2018] [Indexed: 12/12/2022]
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28
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Adas SK, Bharadwaj V, Zhou Y, Zhang J, Seed AJ, Brasch NE, Sampson P. Synthesis and HNO Donating Properties of the Piloty's Acid Analogue Trifluoromethanesulphonylhydroxamic Acid: Evidence for Quantitative Release of HNO at Neutral pH Conditions. Chemistry 2018. [DOI: 10.1002/chem.201800662] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sonya K. Adas
- Department of Chemistry and Biochemistry Kent State University Kent OH 44242 USA
| | - Vinay Bharadwaj
- School of Science Auckland University of Technology Private Bag 92006 Auckland 1142 New Zealand
| | - Yang Zhou
- Department of Chemistry and Biochemistry Kent State University Kent OH 44242 USA
| | - Jiuhong Zhang
- Department of Chemistry and Biochemistry Kent State University Kent OH 44242 USA
| | - Alexander J. Seed
- Department of Chemistry and Biochemistry Kent State University Kent OH 44242 USA
| | - Nicola E. Brasch
- School of Science Auckland University of Technology Private Bag 92006 Auckland 1142 New Zealand
| | - Paul Sampson
- Department of Chemistry and Biochemistry Kent State University Kent OH 44242 USA
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29
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Zhou Y, Cink RB, Fejedelem ZA, Cather Simpson M, Seed AJ, Sampson P, Brasch NE. Development of Photoactivatable Nitroxyl (HNO) Donors Incorporating the (3‐Hydroxy‐2‐naphthalenyl)methyl Phototrigger. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800092] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yang Zhou
- Department of Chemistry and Biochemistry Kent State University 44242 Kent OH USA
| | - Ruth B. Cink
- School of Science Auckland University of Technology Private Bag 92006 1142 Auckland New Zealand
| | - Zachary A. Fejedelem
- Department of Chemistry and Biochemistry Kent State University 44242 Kent OH USA
| | - M. Cather Simpson
- The Photon Factory School of Chemical Sciences The University of Auckland Private Bag 92019 Auckland New Zealand
| | - Alexander J. Seed
- Department of Chemistry and Biochemistry Kent State University 44242 Kent OH USA
| | - Paul Sampson
- Department of Chemistry and Biochemistry Kent State University 44242 Kent OH USA
| | - Nicola E. Brasch
- School of Science Auckland University of Technology Private Bag 92006 1142 Auckland New Zealand
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30
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Gogoi K, Saha S, Mondal B, Deka H, Ghosh S, Mondal B. Dioxygenation Reaction of a Cobalt-Nitrosyl: Putative Formation of a Cobalt–Peroxynitrite via a {CoIII(NO)(O2–)} Intermediate. Inorg Chem 2017; 56:14438-14445. [PMID: 29131596 DOI: 10.1021/acs.inorgchem.7b01673] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kuldeep Gogoi
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Soumen Saha
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Baishakhi Mondal
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Hemanta Deka
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Somnath Ghosh
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
| | - Biplab Mondal
- Department of Chemistry, Indian Institute of Technology Guwahati, North Guwahati, Assam 781039, India
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31
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Peters GM, Winegrad JB, Gau MR, Imler GH, Xu B, Ren S, Wayland BB, Zdilla MJ. Synthesis and Structure of 2,5-Bis[N-(2,6-mesityl)iminomethyl]pyrrolylcobalt(II): Evidence for One-Electron-Oxidized, Redox Noninnocent Ligand Behavior. Inorg Chem 2017; 56:3377-3385. [DOI: 10.1021/acs.inorgchem.6b02898] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Garvin M. Peters
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Jacob B. Winegrad
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Michael R. Gau
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Gregory H. Imler
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Beibei Xu
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Shenqiang Ren
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Bradford B. Wayland
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
| | - Michael J. Zdilla
- Department of Chemistry, Temple University, 1901 North 13th Street, Philadelphia, Pennsylvania 19122, United States
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32
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Zhou Y, Cink RB, Dassanayake RS, Seed AJ, Brasch NE, Sampson P. Rapid Photoactivated Generation of Nitroxyl (HNO) under Neutral pH Conditions. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201605160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yang Zhou
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
| | - Ruth B. Cink
- School of Applied Sciences; Auckland University of Technology (AUT); Private Bag 92006 Auckland 1142 New Zealand
| | - Rohan S. Dassanayake
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
| | - Alexander J. Seed
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
| | - Nicola E. Brasch
- School of Applied Sciences; Auckland University of Technology (AUT); Private Bag 92006 Auckland 1142 New Zealand
| | - Paul Sampson
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
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33
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Zhou Y, Cink RB, Dassanayake RS, Seed AJ, Brasch NE, Sampson P. Rapid Photoactivated Generation of Nitroxyl (HNO) under Neutral pH Conditions. Angew Chem Int Ed Engl 2016; 55:13229-13232. [DOI: 10.1002/anie.201605160] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 08/03/2016] [Indexed: 01/17/2023]
Affiliation(s)
- Yang Zhou
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
| | - Ruth B. Cink
- School of Applied Sciences; Auckland University of Technology (AUT); Private Bag 92006 Auckland 1142 New Zealand
| | - Rohan S. Dassanayake
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
| | - Alexander J. Seed
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
| | - Nicola E. Brasch
- School of Applied Sciences; Auckland University of Technology (AUT); Private Bag 92006 Auckland 1142 New Zealand
| | - Paul Sampson
- Department of Chemistry and Biochemistry; Kent State University (KSU); Kent OH 44240 USA
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34
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Walter MR, Dzul SP, Rodrigues AV, Stemmler TL, Telser J, Conradie J, Ghosh A, Harrop TC. Synthesis of CoII–NO– Complexes and Their Reactivity as a Source of Nitroxyl. J Am Chem Soc 2016; 138:12459-71. [DOI: 10.1021/jacs.6b05896] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Melody R. Walter
- Department
of Chemistry and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Stephen P. Dzul
- Departments
of Pharmaceutical Sciences, Biochemistry, and Molecular Biology, Wayne State University, Detroit, Michigan 48201, United States
| | - Andria V. Rodrigues
- Departments
of Pharmaceutical Sciences, Biochemistry, and Molecular Biology, Wayne State University, Detroit, Michigan 48201, United States
| | - Timothy L. Stemmler
- Departments
of Pharmaceutical Sciences, Biochemistry, and Molecular Biology, Wayne State University, Detroit, Michigan 48201, United States
| | - Joshua Telser
- Department
of Biological, Chemical, and Physical Sciences, Roosevelt University, 430 South Michigan Avenue, Chicago, Illinois 60605, United States
| | - Jeanet Conradie
- Department
of Chemistry, University of the Free State, 9300 Bloemfontein, Republic of South Africa
| | - Abhik Ghosh
- Department
of Chemistry and Center for Theoretical and
Computational Chemistry, University of Tromsø, N-9037 Tromsø, Norway
| | - Todd C. Harrop
- Department
of Chemistry and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
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35
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Miao Z, King SB. Recent advances in the chemical biology of nitroxyl (HNO) detection and generation. Nitric Oxide 2016; 57:1-14. [PMID: 27108951 PMCID: PMC4910183 DOI: 10.1016/j.niox.2016.04.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 04/18/2016] [Indexed: 01/01/2023]
Abstract
Nitroxyl or azanone (HNO) represents the redox-related (one electron reduced and protonated) relative of the well-known biological signaling molecule nitric oxide (NO). Despite the close structural similarity to NO, defined biological roles and endogenous formation of HNO remain unclear due to the high reactivity of HNO with itself, soft nucleophiles and transition metals. While significant work has been accomplished in terms of the physiology, biology and chemistry of HNO, important and clarifying work regarding HNO detection and formation has occurred within the last 10 years. This review summarizes advances in the areas of HNO detection and donation and their application to normal and pathological biology. Such chemical biological tools allow a deeper understanding of biological HNO formation and the role that HNO plays in a variety of physiological systems.
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Affiliation(s)
- Zhengrui Miao
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA
| | - S Bruce King
- Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109, USA.
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36
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Patel SJ, Lewis BE, Long JE, Nambi S, Sassetti CM, Stemmler TL, Argüello JM. Fine-tuning of Substrate Affinity Leads to Alternative Roles of Mycobacterium tuberculosis Fe2+-ATPases. J Biol Chem 2016; 291:11529-39. [PMID: 27022029 DOI: 10.1074/jbc.m116.718239] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Indexed: 11/06/2022] Open
Abstract
Little is known about iron efflux transporters within bacterial systems. Recently, the participation of Bacillus subtilis PfeT, a P1B4-ATPase, in cytoplasmic Fe(2+) efflux has been proposed. We report here the distinct roles of mycobacterial P1B4-ATPases in the homeostasis of Co(2+) and Fe(2+) Mutation of Mycobacterium smegmatis ctpJ affects the homeostasis of both ions. Alternatively, an M. tuberculosis ctpJ mutant is more sensitive to Co(2+) than Fe(2+), whereas mutation of the homologous M. tuberculosis ctpD leads to Fe(2+) sensitivity but no alterations in Co(2+) homeostasis. In vitro, the three enzymes are activated by both Fe(2+) and Co(2+) and bind 1 eq of either ion at their transport site. However, equilibrium binding affinities and activity kinetics show that M. tuberculosis CtpD has higher affinity for Fe(2+) and twice the Fe(2+)-stimulated activity than the CtpJs. These parameters are paralleled by a lower activation and affinity for Co(2+) Analysis of Fe(2+) and Co(2+) binding to CtpD by x-ray absorption spectroscopy shows that both ions are five- to six-coordinate, constrained within oxygen/nitrogen environments with similar geometries. Mutagenesis studies suggest the involvement of invariant Ser, His, and Glu residues in metal coordination. Interestingly, replacement of the conserved Cys at the metal binding pocket leads to a large reduction in Fe(2+) but not Co(2+) binding affinity. We propose that CtpJ ATPases participate in the control of steady state Fe(2+) levels. CtpD, required for M. tuberculosis virulence, is a high affinity Fe(2+) transporter involved in the rapid response to iron dyshomeostasis generated upon redox stress.
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Affiliation(s)
- Sarju J Patel
- From the Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, Massachusetts 01609
| | - Brianne E Lewis
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, Michigan 48201
| | - Jarukit E Long
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, and
| | - Subhalaxmi Nambi
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, and
| | - Christopher M Sassetti
- Department of Microbiology and Physiological Systems, University of Massachusetts Medical School, Worcester, Massachusetts 01655, and Howard Hughes Medical Institute, Chevy Chase, Maryland 20815
| | - Timothy L Stemmler
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, Michigan 48201
| | - José M Argüello
- From the Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, Worcester, Massachusetts 01609,
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37
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Chuang CH, Liaw WF, Hung CH. Conversion of Nitric Oxide into Nitrous Oxide as Triggered by the Polarization of Coordinated NO by Hydrogen Bonding. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201512063] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chuan-Hung Chuang
- Institute of Chemistry; Academia Sinica; Nankang 11529 Taipei Taiwan
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
| | - Wen-Feng Liaw
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
| | - Chen-Hsiung Hung
- Institute of Chemistry; Academia Sinica; Nankang 11529 Taipei Taiwan
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38
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Chuang CH, Liaw WF, Hung CH. Conversion of Nitric Oxide into Nitrous Oxide as Triggered by the Polarization of Coordinated NO by Hydrogen Bonding. Angew Chem Int Ed Engl 2016; 55:5190-4. [DOI: 10.1002/anie.201512063] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 02/08/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Chuan-Hung Chuang
- Institute of Chemistry; Academia Sinica; Nankang 11529 Taipei Taiwan
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
| | - Wen-Feng Liaw
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
| | - Chen-Hsiung Hung
- Institute of Chemistry; Academia Sinica; Nankang 11529 Taipei Taiwan
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39
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Deka H, Ghosh S, Saha S, Gogoi K, Mondal B. Effect of ligand denticity on the nitric oxide reactivity of cobalt(ii) complexes. Dalton Trans 2016; 45:10979-88. [DOI: 10.1039/c6dt01169a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NO reactivity of three Co(ii) complexes, 1, 2 and 3 have been studied in degassed methanol solution. The complexes differ from each other in terms of denticity and flexibility of the ligand fameworks. Complex 1 undergoes reductive nitrosylation of the metal ion; 2 results in corresponding [CoIII(NO−)] complex; whereas 3 does not react with NO.
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Affiliation(s)
- Hemanta Deka
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Assam-781039
- India
| | - Somnath Ghosh
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Assam-781039
- India
| | - Soumen Saha
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Assam-781039
- India
| | - Kuldeep Gogoi
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Assam-781039
- India
| | - Biplab Mondal
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Assam-781039
- India
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40
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Tseng YT, Chen CH, Lin JY, Li BH, Lu YH, Lin CH, Chen HT, Weng TC, Sokaras D, Chen HY, Soo YL, Lu TT. To Transfer or Not to Transfer? Development of a Dinitrosyl Iron Complex as a Nitroxyl Donor for the Nitroxylation of an Fe(III) -Porphyrin Center. Chemistry 2015; 21:17570-3. [PMID: 26437878 DOI: 10.1002/chem.201503176] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Indexed: 12/16/2022]
Abstract
A positive myocardial inotropic effect achieved using HNO/NO(-) , compared with NO⋅, triggered attempts to explore novel nitroxyl donors for use in clinical applications in vascular and myocardial pharmacology. To develop M-NO complexes for nitroxyl chemistry and biology, modulation of direct nitroxyl-transfer reactivity of dinitrosyl iron complexes (DNICs) is investigated in this study using a Fe(III) -porphyrin complex and proteins as a specific probe. Stable dinuclear {Fe(NO)2 }(9) DNIC [Fe(μ-(Me) Pyr)(NO)2 ]2 was discovered as a potent nitroxyl donor for nitroxylation of Fe(III) -heme centers through an associative mechanism. Beyond the efficient nitroxyl transfer, transformation of DNICs into a chemical biology probe for nitroxyl and for pharmaceutical applications demands further efforts using in vitro/in vivo studies.
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Affiliation(s)
- Yu-Ting Tseng
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan)
| | - Chien-Hong Chen
- School of Medical Applied Chemistry, Chung Shan Medical University, No. 110, Section 1, Jianguo North Rd. Taichung, 40201 (Taiwan)
| | - Jing-Yu Lin
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan)
| | - Bing-Han Li
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan)
| | - Yu-Huan Lu
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan)
| | - Chia-Her Lin
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan)
| | - Hsin-Tsung Chen
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan)
| | - Tsu-Chien Weng
- SLAC National Accelerator Laboratory 2575 Sand Hill Rd. Menlo Park, CA 94025 (USA)
| | - Dimosthenes Sokaras
- SLAC National Accelerator Laboratory 2575 Sand Hill Rd. Menlo Park, CA 94025 (USA)
| | - Huang-Yeh Chen
- National Synchrotron Radiation Research Center No. 101, Xin'an Rd., Hsinchu, 30076 (Taiwan)
| | - Yun-Liang Soo
- National Synchrotron Radiation Research Center No. 101, Xin'an Rd., Hsinchu, 30076 (Taiwan).,Department of Physics, National Tsing Hua University No. 101, Section 2, Guangfu Rd., Hsinchu, 30013 (Taiwan)
| | - Tsai-Te Lu
- Department of Chemistry, Chung Yuan Christian University No. 200, Chung Pei Rd. Taoyuan, 32023 (Taiwan).
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42
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43
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Rhine MA, Sanders BC, Patra AK, Harrop TC. Overview and New Insights into the Thiol Reactivity of Coordinated NO in {MNO}6/7/8 (M = Fe, Co) Complexes. Inorg Chem 2015; 54:9351-66. [DOI: 10.1021/acs.inorgchem.5b00883] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Melody A. Rhine
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Brian C. Sanders
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Ashis K. Patra
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
| | - Todd C. Harrop
- Department of Chemistry
and Center for Metalloenzyme Studies, The University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
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44
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Harrop TC. New Insights on {FeNO}n (n=7, 8) Systems as Enzyme Models and HNO Donors. ADVANCES IN INORGANIC CHEMISTRY 2015. [DOI: 10.1016/bs.adioch.2014.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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