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Daturi M, Blasin-Aubé V, Yoon JW, Bazin P, Vimont A, Chang JS, Hwang YK, Seo YK, Jang S, Chang H, Wuttke S, Horcajada P, Haneda M, Serre C. Room Temperature Reduction of Nitrogen Oxide on Iron Metal-Organic Frameworks. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2403053. [PMID: 38767509 DOI: 10.1002/adma.202403053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/30/2024] [Indexed: 05/22/2024]
Abstract
Nitrogen oxides represent one of the main threats for the environment. Despite decades of intensive research efforts, a sustainable solution for NOx removal under environmental conditions is still undefined. Using theoretical modelling, material design, state-of-the-art investigation methods and mimicking enzymes, it is found that selected porous hybrid iron(II/III) based MOF material are able to decompose NOx, at room temperature, in the presence of water and oxygen, into N2 and O2 and without reducing agents. This paves the way to the development of new highly sustainable heterogeneous catalysts to improve air quality.
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Affiliation(s)
- Marco Daturi
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, Caen, 14000, France
| | - Vanessa Blasin-Aubé
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, Caen, 14000, France
| | - Ji Wong Yoon
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, Caen, 14000, France
- Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology (KRICT), Jang-dong 100, Yuseong, Daejeon, 305-600, South Korea
| | - Philippe Bazin
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, Caen, 14000, France
| | - Alexandre Vimont
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, Caen, 14000, France
| | - Jong-San Chang
- Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology (KRICT), Jang-dong 100, Yuseong, Daejeon, 305-600, South Korea
- Department of Chemistry, Sungkyunkwan University, Suwon, 440-476, South Korea
| | - Young Kyu Hwang
- Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology (KRICT), Jang-dong 100, Yuseong, Daejeon, 305-600, South Korea
| | - You-Kyong Seo
- Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology (KRICT), Jang-dong 100, Yuseong, Daejeon, 305-600, South Korea
| | - Seunghun Jang
- Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology (KRICT), Jang-dong 100, Yuseong, Daejeon, 305-600, South Korea
| | - Hyunju Chang
- Catalysis Center for Molecular Engineering, Korea Research Institute of Chemical Technology (KRICT), Jang-dong 100, Yuseong, Daejeon, 305-600, South Korea
| | - Stefan Wuttke
- Normandie Univ., ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie, Caen, 14000, France
- Institut Lavoisier (UMR CNRS 8180), Université de Versailles Saint-Quentin-en-Yvelines, Université Paris Saclay, 45, avenue des Etats-Unis, Versailles, 78035, France
- Ikerbasque, Basque Foundation for Science, Bilbao, 48009, Spain
- Spain and BCMaterials, UPV/EHU Science Park, Leioa, 48940, Spain
| | - Patricia Horcajada
- Institut Lavoisier (UMR CNRS 8180), Université de Versailles Saint-Quentin-en-Yvelines, Université Paris Saclay, 45, avenue des Etats-Unis, Versailles, 78035, France
- Madrid Institute for Advanced Studies, Madrid, 28040, Spain
| | - Masaaki Haneda
- Nagoya Inst Technol, Adv. Ceram. Res. Ctr., 10-6-29 Asahigaoka, Tajimi, Gifu, 5070071, Japan
| | - Christian Serre
- Institute of Porous Materials from Paris, Ecole Normale Supérieure, ESPCI Paris, CNRS, PSL University, Paris, 75005, France
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2
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De Simone G, di Masi A, Sbardella D, Ascenzi P, Coletta M. Nitric Oxide Binding Geometry in Heme-Proteins: Relevance for Signal Transduction. Antioxidants (Basel) 2024; 13:666. [PMID: 38929104 PMCID: PMC11201058 DOI: 10.3390/antiox13060666] [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: 04/12/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Nitric oxide (NO) synthesis, signaling, and scavenging is associated to relevant physiological and pathological events. In all tissues and organs, NO levels and related functions are regulated at different levels, with heme proteins playing pivotal roles. Here, we focus on the structural changes related to the different binding modes of NO to heme-Fe(II), as well as the modulatory effects of this diatomic messenger on heme-protein functions. Specifically, the ability of heme proteins to bind NO at either the distal or proximal side of the heme and the transient interchanging of the binding site is reported. This sheds light on the regulation of O2 supply to tissues with high metabolic activity, such as the retina, where a precise regulation of blood flow is necessary to meet the demand of nutrients.
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Affiliation(s)
- Giovanna De Simone
- Dipartimento di Scienze, Università degli Studi Roma Tre, 00146 Rome, Italy; (G.D.S.); (A.d.M.)
| | - Alessandra di Masi
- Dipartimento di Scienze, Università degli Studi Roma Tre, 00146 Rome, Italy; (G.D.S.); (A.d.M.)
- Centro Linceo Interdisciplinare “Beniamino Segre”, Accademia dei Lincei, 00165 Rome, Italy
| | | | - Paolo Ascenzi
- Dipartimento di Scienze, Università degli Studi Roma Tre, 00146 Rome, Italy; (G.D.S.); (A.d.M.)
- Accademia Nazionale dei Lincei, 00165 Rome, Italy
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3
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Das S, Kumar P. Exploring the carbonic anhydrase-mimetic [(PMDTA) 2ZnII2(OH -) 2] 2+ for nitric oxide monooxygenation. Dalton Trans 2024; 53:6173-6177. [PMID: 38501600 DOI: 10.1039/d4dt00407h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
In biology, nitrite (NO2-) serves as a storage pool of nitric oxide (NO); however, the formation of NO2- from NO is still under investigation. Here, we report the NO monooxygenation (NOM) reaction of a ZnII-hydroxide complex (1), producing a ZnII-nitrito complex {2, (ZnII-NO2-)} + H2.
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Affiliation(s)
- Sandip Das
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
| | - Pankaj Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
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4
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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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5
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Sinclair MG, Roig N, Gyton MR, Tsoureas N, Cloke FGN, Alonso M, Chaplin AB. T-Shaped Palladium and Platinum {MNO} 10 Nitrosyl Complexes. Inorg Chem 2024; 63:1709-1713. [PMID: 38207212 PMCID: PMC10828984 DOI: 10.1021/acs.inorgchem.3c03434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 01/05/2024] [Accepted: 01/08/2024] [Indexed: 01/13/2024]
Abstract
The synthesis and characterization of a homologous series of T-shaped {MNO}10 nitrosyl complexes of the form [M(PR3)2(NO)]+ (M = Pd, Pt; R = tBu, Ad) are reported. These diamagnetic nitrosyls are obtained from monovalent or zerovalent precursors by treatment with NO and NO+, respectively, and are notable for distinctly bent M-NO angles of ∼123° in the solid state. Adoption of this coordination mode in solution is also supported by the analysis of isotopically enriched samples by 15N NMR spectroscopy. Effective oxidation states of M0/NO+ are calculated, and metal-nitrosyl bonding has been interrogated using DFT-based energy decomposition analysis techniques. While a linear nitrosyl coordination mode was found to be electronically preferred, the M-NO and P-M-P angles are inversely correlated to the extent that binding in this manner is prevented by steric repulsion between the bulky ancillary phosphine ligands.
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Affiliation(s)
- Matthew
J. G. Sinclair
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Nil Roig
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
- Eenheid
Algemene Chemie (ALGC), Vrije Universiteit
Brussel (VUB), 1050 Brussels, Belgium
| | - Matthew R. Gyton
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
| | - Nikolaos Tsoureas
- Department
of Chemistry, University of Sussex, Falmer, Brighton BN1 9QR, U.K.
| | | | - Mercedes Alonso
- Eenheid
Algemene Chemie (ALGC), Vrije Universiteit
Brussel (VUB), 1050 Brussels, Belgium
| | - Adrian B. Chaplin
- Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
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6
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da Silva CDS, Ferreira KQ, Meira CS, Soares MBP, Moraes RDA, Araújo FA, Flavia Silva D, de Sá DS. Ru(II) based dual nitric oxide donors: electrochemical and photochemical reactivities and vasorelaxant effect with no cytotoxicity. Dalton Trans 2023; 52:17176-17184. [PMID: 37937931 DOI: 10.1039/d3dt02760k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
The synthesized complexes, cis-[Ru(NO)(NO2)(phen)2](PF6)2 (NONO2P) and cis-[Ru(NO)(NO2)(bpy)2](PF6)2 (NONO2B), were characterized by using elemental analysis, voltammetry and electronic and vibrational spectroscopy. Under electrochemical and photochemical stimulation in an aqueous medium, there are indications of the formation of complexes, which suggests that the nitro and nitrosyl groups are converted into nitric oxide. Both compounds do not show cytotoxic activity against human umbilical vein endothelial cells (HUVECs). The cis-[Ru(NO)(NO2)(phen)2](PF6)2 complex presented vasorelaxation activity in superior mesenteric arteries from Wistar rats: the biphasic concentration-response curve indicates two sites of action. In the presence of NO scavengers, we observed an impaired relaxing effect induced by NONO2P, suggesting that the vasorelaxant effect is due to NO production from this compound.
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Affiliation(s)
- Carlos D S da Silva
- Institute of Chemistry, Federal University of Bahia, Campus Ondina, 40170-290 Salvador, BA, Brazil.
| | - Kleber Q Ferreira
- Department of Chemistry, Federal Institute of Bahia (IFBA), Salvador, 40301-15, Brazil
| | - Cássio S Meira
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), 40296-710 Salvador, Bahia, Brazil
- SENAI Institute of Innovation in Health Advanced Systems (CIMATEC ISI SAS), University Center SENAI/CIMATEC, Salvador, BA 41650-010, Brazil
| | - Milena B P Soares
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (IGM-FIOCRUZ/BA), 40296-710 Salvador, Bahia, Brazil
| | - Raiana Dos Anjos Moraes
- Laboratory of Cardiovascular Physiology and Pharmacology, Institute of Health Sciences, Federal University of Bahia, Salvador, Av. Reitor Miguel Calmon, s/n - Canela, Salvador, BA, 40231-300, Brazil
- Postgraduate Program in Biotechnology in Health and Investigative Medicine, Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
| | - Fênix Alexandra Araújo
- Laboratory of Cardiovascular Physiology and Pharmacology, Institute of Health Sciences, Federal University of Bahia, Salvador, Av. Reitor Miguel Calmon, s/n - Canela, Salvador, BA, 40231-300, Brazil
- Postgraduate Program in Biotechnology in Health and Investigative Medicine, Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
| | - Darizy Flavia Silva
- Laboratory of Cardiovascular Physiology and Pharmacology, Institute of Health Sciences, Federal University of Bahia, Salvador, Av. Reitor Miguel Calmon, s/n - Canela, Salvador, BA, 40231-300, Brazil
- Postgraduate Program in Biotechnology in Health and Investigative Medicine, Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
| | - Denise S de Sá
- Institute of Chemistry, Federal University of Bahia, Campus Ondina, 40170-290 Salvador, BA, Brazil.
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C S AK, Das S, Kulbir, Bhardwaj P, Sk MP, Kumar P. Mechanistic insights into nitric oxide oxygenation (NOO) reactions of {CrNO} 5 and {CoNO} 8. Dalton Trans 2023; 52:16492-16499. [PMID: 37874255 DOI: 10.1039/d3dt03177b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Here, we report the nitric oxide oxygenation (NOO) reactions of two distinct metal nitrosyls {Co-nitrosyl (S = 0) vs. Cr-nitrosyl (S = 1/2)}. In this regard, we synthesized and characterized [(BPMEN)Co(NO)]2+ ({CoNO}8, 1) to compare its NOO reaction with that of [(BPMEN)Cr(NO)(Cl-)]+ ({CrNO}5, 2), having a similar ligand framework. Kinetic measurements showed that {CrNO}5 is thermally more stable than {CoNO}8. Complexes 1 and 2, upon reaction with the superoxide anion (O2˙-), generate [(BPMEN)CoII(NO2-)2] (CoII-NO2-, 3) and [(BPMEN)CrIII(NO2-)Cl-]+ (CrIII-NO2-, 4), respectively, with O2 evolution. Furthermore, analysis of these NOO reactions and tracking of the N-atom using 15N-labeled NO (15NO) revealed that the N-atoms of 3 (CoII-15NO2-) and 4 (CrIII-15NO2-) derive from the nitrosyl (15NO) moieties of 1 and 2, respectively. This work represents a comparative study of oxidation reactions of {CoNO}8vs. {CrNO}5, showing different rates of the NOO reactions due to different thermal stability. To complete the NOM cycle, we reacted 3 and 4 with NO, and surprisingly, only 3 generated {CoNO}8 species, while 4 was unreactive towards NO. Furthermore, the phenol ring nitration test, performed using 2,4-di-tert-butylphenol (2,4-DTBP), suggested the presence of a proposed peroxynitrite (PN) intermediate in the NOO reactions of 1 and 2.
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Affiliation(s)
- Akshaya Keerthi C S
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
| | - Sandip Das
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
| | - Kulbir
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
| | - Prabhakar Bhardwaj
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
| | - Md Palashuddin Sk
- Department of Chemistry, Aligarh Muslim University (AMU) Aligarh, Uttar Pradesh 202001, India
| | - Pankaj Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India.
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8
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Samanta B, Ghosh R, Mazumdar R, Saha S, Maity S, Mondal B. Reaction of a Co(III)-peroxo complex with nitric oxide: putative formation of a peroxynitrite intermediate. Dalton Trans 2023; 52:15815-15821. [PMID: 37815553 DOI: 10.1039/d3dt02261g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
A Co(II) complex, [CoII(L)2(H2O)2](ClO4)2, 1, having a bidentate ligand L [L = bis(3,5-dimethylpyrazolyl)methane] has been synthesized. Complex 1 in acetonitrile solution at -40 °C, in the presence of H2O2 and NEt3, afforded the corresponding Co(III)-peroxo species, [CoIII(L)2(O22-)]+, as the transient intermediate 1a. Thermal instability precluded its isolation and further characterization. The addition of nitric oxide (NO) gas into the freshly prepared [CoIII(L)2(O22-)]+ in acetonitrile at -40 °C resulted in the corresponding Co(II)-nitrato complex, [CoII(L)2(NO3)](ClO4) (2). The reaction is proposed to proceed through a putative Co(II)-peroxynitrite intermediate 1b. It was evidenced by the characteristic phenol ring nitration reaction.
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Affiliation(s)
- Bapan Samanta
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India.
| | - Riya Ghosh
- Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India.
| | - 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.
| | - Sayani Maity
- 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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9
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Manickas EC, LaLonde AB, Hu MY, Alp EE, Lehnert N. Stabilization of a Heme-HNO Model Complex Using a Bulky Bis-Picket Fence Porphyrin and Reactivity Studies with NO. J Am Chem Soc 2023; 145:23014-23026. [PMID: 37824502 DOI: 10.1021/jacs.3c05333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Nitroxyl, HNO/NO-, the one-electron reduced form of NO, is suggested to take part in distinct signaling pathways in mammals and is also a key intermediate in various heme-catalyzed NOx interconversions in the nitrogen cycle. Cytochrome P450nor (Cyt P450nor) is a heme-containing enzyme that performs NO reduction to N2O in fungal denitrification. The reactive intermediate in this enzyme, termed "Intermediate I", is proposed to be an Fe-NHO/Fe-NHOH type species, but it is difficult to study its electronic structure and exact protonation state due to its instability. Here, we utilize a bulky bis-picket fence porphyrin to obtain the first stable heme-HNO model complex, [Fe(3,5-Me-BAFP)(MI)(NHO)], as a model for Intermediate I, and more generally HNO adducts of heme proteins. Due to the steric hindrance of the bis-picket fence porphyrin, [Fe(3,5-Me-BAFP)(MI)(NHO)] is stable (τ1/2 = 56 min at -30 °C), can be isolated as a solid, and is available for thorough spectroscopic characterization. In particular, we were able to solve a conundrum in the literature and provide the first full vibrational characterization of a heme-HNO complex using IR and nuclear resonance vibrational spectroscopy (NRVS). Reactivity studies of [Fe(3,5-Me-BAFP)(MI)(NHO)] with NO gas show a 91 ± 10% yield for N2O formation, demonstrating that heme-HNO complexes are catalytically competent intermediates for NO reduction to N2O in Cyt P450nor. The implications of these results for the mechanism of Cyt P450nor are further discussed.
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Affiliation(s)
- Elizabeth C Manickas
- Department of Chemistry and Department of Biophysics, The University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Ashley B LaLonde
- Department of Chemistry and Department of Biophysics, The University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Michael Y Hu
- Advanced Photon Source (APS), Argonne National Laboratory (ANL), Argonne, Illinois 60439, United States
| | - E Ercan Alp
- Advanced Photon Source (APS), Argonne National Laboratory (ANL), Argonne, Illinois 60439, United States
| | - Nicolai Lehnert
- Department of Chemistry and Department of Biophysics, The University of Michigan, Ann Arbor, Michigan 48109-1055, United States
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Yoshizumi T, Shibui Y, Kogo M, Honma S, Ito S, Yajima S, Sasaki Y. Mycothiol maintains the homeostasis and signalling of nitric oxide in Streptomyces coelicolor A3(2) M145. BMC Microbiol 2023; 23:285. [PMID: 37798648 PMCID: PMC10552308 DOI: 10.1186/s12866-023-03036-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 10/01/2023] [Indexed: 10/07/2023] Open
Abstract
BACKGROUND Previous studies have revealed a nitric oxide (NO) metabolic cycle in which NO, nitrate (NO3-), and nitrite (NO2-) circulate. The NO produced in this cycle serves as a signalling molecule that regulates actinorhodin (ACT) production via the DevS/DevR NO-dependent two-component system (TCS) in Streptomyces coelicolor A3(2) M145. However, the mechanisms involved in the regulation of NO signalling in S. coelicolor have not yet been elucidated. Mycothiol (MSH), a thiol molecule produced by Actinomyces, is involved in the defence mechanisms against oxidative stress. Therefore, this study focused on the correlation between intracellular NO and MSH levels. RESULTS To investigate the interaction of MSH with endogenously produced NO, we generated an S. coelicolor A3(2) strain deficient in MSH biosynthesis. This mutant strain exhibited a decrease in low-molecular-weight S-nitrosothiols and intracellular NO levels during culture compared to those of the wild-type strain. Moreover, the mutant strain exhibited reduced activity of the DevS/DevR TCS, a regulator of NO homeostasis and ACT production, from the early stage of culture, along with a decrease in ACT production compared to those of the wild-type strain. CONCLUSIONS This study suggests that MSH maintains intracellular NO homeostasis by forming S-nitrosomycothiol, which induces NO signalling. Finally, we propose a metabolic model in which MSH from endogenously produced NO facilitates the maintenance of both NO homeostasis and signalling in S. coelicolor A3(2) M145.
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Affiliation(s)
- Tomoki Yoshizumi
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan
| | - Yukiko Shibui
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan
| | - Minori Kogo
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan
| | - Sota Honma
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan
| | - Shinsaku Ito
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan
| | - Shunsuke Yajima
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan
| | - Yasuyuki Sasaki
- Department of Bioscience, Faculty of Life Sciences, Tokyo University of Agriculture, Sakuragaoka, Tokyo, Setagaya-Ku, 156-8502, Japan.
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11
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Singh A, Singh G, Kaur N, Singh N. Fabrication of FRET based nano sensor from biomass-derived fluorescent carbon quantum dots and naphthalimide for ratiometric detection of nitric oxide: To examine nitrite levels in meat samples. Anal Chim Acta 2023; 1270:341444. [PMID: 37311616 DOI: 10.1016/j.aca.2023.341444] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/22/2023] [Accepted: 05/26/2023] [Indexed: 06/15/2023]
Abstract
Nitric oxide (NO) is a ubiquitous, gaseous, free radical signaling molecule which plays a key role in physiological and pathological processes. Literature reports revealed that the conventional methods such as colorimetry, electron paramagnetic resonance (EPR), electrochemical etc. to detect NO are costly, time consuming and lack resolution, particularly in aqueous or biological system. Thus, in this context, herein we have developed covalently linked biomass derived carbon quantum dots (CQDs) and naphthalimide based nano sensor system for FRET based ratiometric detection of nitric oxide (NO) in pure aqueous media. The CQDs derived from orange peels were characterized using UV-visible absorption, fluorescence spectroscopy, PXRD, TEM, FT-IR and zeta potential studies. Further, the obtained CQDs were functionalized with amine functionality, and subsequently linked with naphthalimide derivative (5) using terephthaldehyde through covalent bond formation. The conjugation of naphthalimide (5) and functionalized CQDs was studied using DLS, zeta potential, FT-IR and time resolved fluorescence spectroscopy. The excitation of developed nano sensor system at λex 360 nm results in fluorescence emission at λem 530 nm which establishes the FRET pair between the CQDs and naphthalimide unit. However, in the presence of NO, the observed FRET pair abolishes due to the cleavage of NO susceptible imine bond. The developed sensor demonstrates high selectivity towards NO with limit of detection (LOD) and limit of quantification (LOQ) of 15 nM and 50 nM respectively. Further, the developed sensor system was also utilized for indirect detection of nitrite (NO2-) in food samples for food safety and monitoring.
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Affiliation(s)
- Amanpreet Singh
- Department of Chemistry, Indian Institute of Technology Ropar, Punjab, 140001, India
| | - Gagandeep Singh
- Department of Biomedical Engineering, Indian Institute of Technology Ropar, Punjab, 140001, India
| | - Navneet Kaur
- Department of Chemistry, Panjab University, Chandigarh, 160014, India.
| | - Narinder Singh
- Department of Chemistry, Indian Institute of Technology Ropar, Punjab, 140001, India.
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Sarkar A, Bhakta S, Chattopadhyay S, Dey A. Role of distal arginine residue in the mechanism of heme nitrite reductases. Chem Sci 2023; 14:7875-7886. [PMID: 37502318 PMCID: PMC10370594 DOI: 10.1039/d3sc01777j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/14/2023] [Indexed: 07/29/2023] Open
Abstract
Heme nitrite reductases reduce NO2- by 1e-/2H+ to NO or by 6e-/8H+ to NH4+ which are key steps in the global nitrogen cycle. Second-sphere residues, such as arginine (with a guanidine head group), are proposed to play a key role in the reaction by assisting substrate binding and hydrogen bonding and by providing protons to the active site for the reaction. The reactivity of an iron porphyrin with a NO2- covalently attached to a guanidinium arm in its 2nd sphere was investigated to understand the role of arginine residues in the 2nd sphere of heme nitrite reductases. The presence of the guanidinium residue allows the synthetic ferrous porphyrin to reduce NO2- and produce a ferrous nitrosyl species ({FeNO}7), where the required protons are provided by the guanidinium group in the 2nd sphere. However, in the presence of additional proton sources in solution, the reaction of ferrous porphyrin with NO2- results in the formation of ferric porphyrin and the release of NO. Spectroscopic and kinetic data indicated that re-protonation of the guanidine group in the 2nd sphere by an external proton source causes NO to dissociate from a ferric nitrosyl species ({FeNO}6) at rates similar to those observed for enzymatic sites. This re-protonation of the guanidine group mimics the proton recharge mechanism in the active site of NiR. DFT calculations indicated that the lability of the Fe-NO bond in the {FeNO}6 species is derived from the greater binding affinity of anions (e.g. NO2-) to the ferric center relative to neutral NO due to hydrogen bonding and electrostatic interaction of these bound anions with the protonated guanidium group in the 2nd sphere. The reduced {FeNO}7 species, once formed, is not affected significantly by the re-protonation of the guanidine residue. These results provide direct insight into the role of the 2nd sphere arginine residue present in the active sites of heme-based NiRs in determining the fate of NO2- reduction. Specifically, the findings using the synthetic model suggest that rapid re-protonation of these arginine residues may trigger the dissociation of NO from the {FeNO}6, which may also be the case in the protein active site.
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Affiliation(s)
- Ankita Sarkar
- School of Chemical Sciences, Indian Association for the Cultivation of Science 2A & 2B Raja S.C. Mullick Road Kolkata WB 700032 India
| | - Snehadri Bhakta
- School of Chemical Sciences, Indian Association for the Cultivation of Science 2A & 2B Raja S.C. Mullick Road Kolkata WB 700032 India
| | - Samir Chattopadhyay
- School of Chemical Sciences, Indian Association for the Cultivation of Science 2A & 2B Raja S.C. Mullick Road Kolkata WB 700032 India
| | - Abhishek Dey
- School of Chemical Sciences, Indian Association for the Cultivation of Science 2A & 2B Raja S.C. Mullick Road Kolkata WB 700032 India
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13
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Keerthi C S A, Beegam S, Das S, Bhardwaj P, Ansari M, Singh K, Kumar P. Nitric Oxide Oxygenation Reactions of Cobalt-Peroxo and Cobalt-Nitrosyl Complexes. Inorg Chem 2023; 62:7385-7392. [PMID: 37126425 DOI: 10.1021/acs.inorgchem.3c00639] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Here, we report a comparative study of nitric oxide oxidation (NOO) reactions of CoIII-peroxo (CoIII-O22-) and Co-nitrosyl ({CoNO}8) complexes bearing the same N4-donor ligand (HMTETA) framework. In this regard, we prepared and characterized two new [(HMTETA)CoIII(O22-)]+ (2, S = 2) and [(HMTETA)Co(NO)]2+ (3, S = 1) complexes from [(HMTETA)CoII(CH3CN)2]2+ (1). Both complexes (2 and 3) are characterized by different spectroscopic measurements, including their DFT-optimized structures. Complex 2 produces CoII-nitrato [(HMTETA)CoII(NO3-)]+ (CoII-NO3-, 4) complex in the presence of NO. In contrast, when 3 reacted with a superoxide (O2•-) anion, it generated CoII-nitrito [(HMTETA)CoII(NO2-)]+ (CoII-NO2-, 5) with O2 evolution. Experiments performed using 18/16O-labeled superoxide (18O2•-/16O2•-) showed that O2 originated from the O2•- anion. Both the NOO reactions are believed to proceed via a presumed peroxynitrite (PN) intermediate. Although we did not get direct spectral evidence for the proposed PN species, the mechanistic investigation using 2,4-di-tert-butylphenol indirectly suggests the formation of a PN intermediate. Furthermore, tracking the source of the N-atom in the above NOO reactions using 15N-labeled nitrogen (15NO) revealed N-atoms in 4 (CoII-15NO3-) and 5 (CoII-15NO2-) derived from the 15NO moiety.
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Affiliation(s)
- Akshaya Keerthi C S
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India
| | - Sulthana Beegam
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India
| | - Sandip Das
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India
| | - Prabhakar Bhardwaj
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India
| | - Mursaleem Ansari
- Department of Chemistry, Indian Institute of Technology (IIT), Bombay 400076, India
| | - Kuldeep Singh
- Department of Applied Chemistry, Amity University, Gwalior 474005, India
| | - Pankaj Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Tirupati 517507, India
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14
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Jin SK, Kim GD. Effects of nitrite-rich and pigment-rich substitutes for sodium nitrite on the quality characteristics of emulsion-type pork sausages during cold storage. Meat Sci 2023; 201:109193. [PMID: 37068409 DOI: 10.1016/j.meatsci.2023.109193] [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: 12/07/2022] [Revised: 02/20/2023] [Accepted: 04/10/2023] [Indexed: 04/19/2023]
Abstract
This study was conducted to evaluate the effects of nitrite-rich (celery powder; CP) and pigment-rich (purple sweet potato powder, PSP; red beet powder, RB) substitutes for synthetic sodium nitrite (CON) on the quality characteristics of emulsion-type pork sausages during four weeks of cold storage. Natural substitutes decreased the pH, lightness, and textural properties of pork sausages during storage (P < 0.05). Pigment-rich substitutes showed a decreased antioxidant effect after two weeks of storage when compared to the nitrite-rich groups (CON and CP; P < 0.05). Pigment-rich substitutes also accelerated the discoloration of pork sausages by increasing yellowness (RB and PSP) and decreasing redness (PSP) during storage (P < 0.05). However, these two pigment-rich substitutes showed different trends in redness (higher in PSP and lower in RB) and yellowness (higher in RB and lower in PSP) when compared to the nitrite-rich groups (CON and CP). Different types (nitrite-rich and pigment-rich) of natural substitutes for sodium nitrite had different effects on the quality characteristics of emulsion-type pork sausages throughout the four weeks of storage evaluated in this study.
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Affiliation(s)
- Sang-Keun Jin
- Division of Animal Science, Gyeongsang National University, Jinju 52725, Republic of Korea
| | - Gap-Don Kim
- Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea; Institutes of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea.
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15
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Kulbir, Das S, Devi T, Ghosh S, Chandra Sahoo S, Kumar P. Acid-induced nitrite reduction of nonheme iron(ii)-nitrite: mimicking biological Fe-NiR reactions. Chem Sci 2023; 14:2935-2942. [PMID: 36937601 PMCID: PMC10016336 DOI: 10.1039/d2sc06704h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/14/2023] [Indexed: 02/25/2023] Open
Abstract
Nitrite reductase (NiR) catalyzes nitrite (NO2 -) to nitric oxide (NO) transformation in the presence of an acid (H+ ions/pH) and serves as a critical step in NO biosynthesis. In addition to the NiR enzyme, NO synthases (NOSs) participate in NO production. The chemistry involved in the catalytic reduction of NO2 -, in the presence of H+, generates NO with a H2O molecule utilizing two H+ + one electron from cytochromes and is believed to be affected by the pH. Here, to understand the effect of H+ ions on NO2 - reduction, we report the acid-induced NO2 - reduction chemistry of a nonheme FeII-nitrito complex, [(12TMC)FeII(NO2 -)]+ (FeII-NO2 -, 2), with variable amounts of H+. FeII-NO2 - upon reaction with one-equiv. of acid (H+) generates [(12TMC)Fe(NO)]2+, {FeNO}7 (3) with H2O2 rather than H2O. However, the amount of H2O2 decreases with increasing equivalents of H+ and entirely disappears when H+ reaches ≅ two-equiv. and shows H2O formation. Furthermore, we have spectroscopically characterized and followed the formation of H2O2 (H+ = one-equiv.) and H2O (H+ ≅ two-equiv.) and explained why bio-driven NiR reactions end with NO and H2O. Mechanistic investigations, using 15N-labeled-15NO2 - and 2H-labeled-CF3SO3D (D+ source), revealed that the N atom in the {Fe14/15NO}7 is derived from the NO2 - ligand and the H atom in H2O or H2O2 is derived from the H+ source, respectively.
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Affiliation(s)
- Kulbir
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Sandip Das
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Tarali Devi
- Humboldt-Universität zu Berlin, Institut für Chemie Brook-Taylor-Straße 2 D-12489 Berlin Germany
| | - Somnath Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | | | - Pankaj Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
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16
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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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17
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Lee J, Kim D, Park S, Baek S, Jung J, Kim T, Han DK. Nitric Oxide-Releasing Bioinspired Scaffold for Exquisite Regeneration of Osteoporotic Bone via Regulation of Homeostasis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205336. [PMID: 36581472 PMCID: PMC9951336 DOI: 10.1002/advs.202205336] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/14/2022] [Indexed: 06/17/2023]
Abstract
Osteoporotic bone regeneration is a challenging process which involves the occurrence of sophisticated interactions. Although various polymeric scaffolds have been proposed for bone repair, research on osteoporotic bone regeneration remains practically limited. In particular, achieving satisfactory bone regeneration when using osteoporotic drugs is challenging including bisphosphonates. Here, a novel nitric oxide-releasing bioinspired scaffold with bioactive agents for the exquisite regeneration of osteoporotic bone is proposed. The bone-like biomimetic poly(lactic-co-glycolic acid) scaffold is first prepared in combination with organic/inorganic ECM and magnesium hydroxide as the base implant material. Nanoparticles containing bioactive agents of zinc oxide (ZO), alendronate, and BMP2 are incorporated to the biomimetic scaffold to impart multifunctionality such as anti-inflammation, angiogenesis, anti-osteoclastogenesis, and bone regeneration. Especially, nitric oxide (NO) generated from ZO stimulates the activity of cGMP and protein kinase G; in addition, ZO downregulates the RANKL/osteoprotegerin ratio by suppressing the Wnt/β-catenin signaling pathway. The new bone is formed much better in the osteoporotic rat model than in the normal model through the regulation of bone homeostasis via the scaffold. These synergistic effects suggest that such a bioinspired scaffold could be a comprehensive way to regenerate exceptionally osteoporotic bones.
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Affiliation(s)
- Jun‐Kyu Lee
- Department of Biomedical ScienceCHA University335 Pangyo‐ro, Bundang‐gu, Seongnam‐siGyeonggi‐do13488Republic of Korea
| | - Da‐Seul Kim
- Department of Biomedical ScienceCHA University335 Pangyo‐ro, Bundang‐gu, Seongnam‐siGyeonggi‐do13488Republic of Korea
- School of Integrative EngineeringChung‐Ang University84 Heukseok‐ro, Dongjak‐guSeoul06974Republic of Korea
| | - So‐Yeon Park
- Department of Biomedical ScienceCHA University335 Pangyo‐ro, Bundang‐gu, Seongnam‐siGyeonggi‐do13488Republic of Korea
- Division of BiotechnologyCollege of Life Sciences and BiotechnologyKorea UniversitySeongbuk‐guSeoul02841Republic of Korea
| | - Seung‐Woon Baek
- Department of Biomedical ScienceCHA University335 Pangyo‐ro, Bundang‐gu, Seongnam‐siGyeonggi‐do13488Republic of Korea
- Department of Biomedical EngineeringSKKU Institute for ConvergenceSungkyunkwan University (SKKU)2066 Seobu‐ro, Jangan‐gu, Suwon‐siGyeonggi‐do16419Republic of Korea
- Department of Intelligent Precision Healthcare ConvergenceSKKU Institute for ConvergenceSungkyunkwan University (SKKU)2066 Seobu‐ro, Jangan‐gu, Suwon‐siGyeonggi‐do16419Republic of Korea
| | - Ji‐Won Jung
- Department of Biomedical ScienceCHA University335 Pangyo‐ro, Bundang‐gu, Seongnam‐siGyeonggi‐do13488Republic of Korea
| | - Tae‐Hyung Kim
- School of Integrative EngineeringChung‐Ang University84 Heukseok‐ro, Dongjak‐guSeoul06974Republic of Korea
| | - Dong Keun Han
- Department of Biomedical ScienceCHA University335 Pangyo‐ro, Bundang‐gu, Seongnam‐siGyeonggi‐do13488Republic of Korea
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18
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Bhadra M, Albert T, Franke A, Josef V, Ivanović-Burmazović I, Swart M, Moënne-Loccoz P, Karlin KD. Reductive Coupling of Nitric Oxide by Cu(I): Stepwise Formation of Mono- and Dinitrosyl Species En Route to a Cupric Hyponitrite Intermediate. J Am Chem Soc 2023; 145:2230-2242. [PMID: 36652374 PMCID: PMC10122266 DOI: 10.1021/jacs.2c09874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Transition-metal-mediated reductive coupling of nitric oxide (NO(g)) to nitrous oxide (N2O(g)) has significance across the fields of industrial chemistry, biochemistry, medicine, and environmental health. Herein, we elucidate a density functional theory (DFT)-supplemented mechanism of NO(g) reductive coupling at a copper-ion center, [(tmpa)CuI(MeCN)]+ (1) {tmpa = tris(2-pyridylmethyl)amine}. At -110 °C in EtOH (<-90 °C in MeOH), exposing 1 to NO(g) leads to a new binuclear hyponitrite intermediate [{(tmpa)CuII}2(μ-N2O22-)]2+ (2), exhibiting temperature-dependent irreversible isomerization to the previously characterized κ2-O,O'-trans-[(tmpa)2Cu2II(μ-N2O22-)]2+ (OOXray) complex. Complementary stopped-flow kinetic analysis of the reaction in MeOH reveals an initial mononitrosyl species [(tmpa)Cu(NO)]+ (1-(NO)) that binds a second NO molecule, forming a dinitrosyl species [(tmpa)CuII(NO)2] (1-(NO)2). The decay of 1-(NO)2 requires an available starting complex 1 to form a dicopper-dinitrosyl species hypothesized to be [{(tmpa)Cu}2(μ-NO)2]2+ (D) bearing a diamond-core motif, en route to the formation of hyponitrite intermediate 2. In contrast, exposing 1 to NO(g) in 2-MeTHF/THF (v/v 4:1) at <-80 °C leads to the newly observed transient metastable dinitrosyl species [(tmpa)CuII(NO)2] (1-(NO)2) prior to its disproportionation-mediated transformation to the nitrite product [(tmpa)CuII(NO2)]+. Our study furnishes a near-complete profile of NO(g) activation at a reduced Cu site with tripodal tetradentate ligation in two distinctly different solvents, aided by detailed spectroscopic characterization of metastable intermediates, including resonance Raman characterization of the new dinitrosyl and hyponitrite species detected.
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Affiliation(s)
- Mayukh Bhadra
- Department of Chemistry, The Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Therese Albert
- Department of Chemical Physiology and Biochemistry, Oregon Health & Science University, Portland, Oregon 97239, United States
| | - Alicja Franke
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, 91058 Erlangen, Germany
- Department of Chemistry, Ludwig-Maximilians University, Munich, 81377 Munich, Germany
| | - Verena Josef
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Ivana Ivanović-Burmazović
- Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nuremberg, 91058 Erlangen, Germany
- Department of Chemistry, Ludwig-Maximilians University, Munich, 81377 Munich, Germany
| | - Marcel Swart
- IQCC & Departament de Química, Universitat de Girona, Campus Montilivi (Ciencies), 17003 Girona, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
| | - Pierre Moënne-Loccoz
- Department of Chemical Physiology and Biochemistry, Oregon Health & Science University, Portland, Oregon 97239, United States
| | - Kenneth D Karlin
- Department of Chemistry, The Johns Hopkins University, Baltimore, Maryland 21218, United States
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19
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Verde C, Giordano D, Bruno S. NO and Heme Proteins: Cross-Talk between Heme and Cysteine Residues. Antioxidants (Basel) 2023; 12:antiox12020321. [PMID: 36829880 PMCID: PMC9952723 DOI: 10.3390/antiox12020321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/19/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
Heme proteins are a diverse group that includes several unrelated families. Their biological function is mainly associated with the reactivity of the heme group, which-among several other reactions-can bind to and react with nitric oxide (NO) and other nitrogen compounds for their production, scavenging, and transport. The S-nitrosylation of cysteine residues, which also results from the reaction with NO and other nitrogen compounds, is a post-translational modification regulating protein activity, with direct effects on a variety of signaling pathways. Heme proteins are unique in exhibiting this dual reactivity toward NO, with reported examples of cross-reactivity between the heme and cysteine residues within the same protein. In this work, we review the literature on this interplay, with particular emphasis on heme proteins in which heme-dependent nitrosylation has been reported and those for which both heme nitrosylation and S-nitrosylation have been associated with biological functions.
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Affiliation(s)
- Cinzia Verde
- Institute of Biosciences and BioResources (IBBR), National Research Council (CNR), Via Pietro Castellino 111, 80131 Napoli, Italy
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn (SZN), Villa Comunale, 80121 Napoli, Italy
| | - Daniela Giordano
- Institute of Biosciences and BioResources (IBBR), National Research Council (CNR), Via Pietro Castellino 111, 80131 Napoli, Italy
- Department of Marine Biotechnology, Stazione Zoologica Anton Dohrn (SZN), Villa Comunale, 80121 Napoli, Italy
| | - Stefano Bruno
- Department of Food and Drug, University of Parma, 43124 Parma, Italy
- Biopharmanet-TEC, University of Parma, 43124 Parma, Italy
- Correspondence:
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20
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Khan FF, Bera SK, Dey S, Lahiri GK. Redox activity as a tool for bond activations and functionalizations. INORGANIC CHEMISTRY IN INDIA 2023. [DOI: 10.1016/bs.adioch.2022.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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21
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Hu J, Li L, Li H, Zhai Y, Tang F, Zhang Z, Chen B. Bimetal NiCo-MOF-74 for highly selective NO capture from flue gas under ambient conditions. RSC Adv 2022; 12:33716-33724. [PMID: 36505694 PMCID: PMC9685370 DOI: 10.1039/d2ra05974f] [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: 09/21/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022] Open
Abstract
The mixed bimetal metal-organic framework Ni0.37Co0.63-MOF-74 has been constructed by the solvothermal method for NO adsorption. The results showed that bimetal Ni0.37Co0.63-MOF-74 takes up NO with a capacity of up to 174.3 cc g-1 under ambient conditions, which is 16.3% higher than that of the best single metal Co-MOF-74. The IAST adsorption selectivity for a NO/CO2 binary mixture can reach a maximum of 710 at low adsorption partial pressure, while the regeneration performance can be retained even after five cyclic adsorption-desorption experiments. Its separation performance was further confirmed by breakthrough experiments, indicating this new bimetal Ni0.37Co0.63-MOF-74 as one of the best materials for NO adsorption and separation in flue gas.
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Affiliation(s)
- Jie Hu
- College of Chemistry and Bioengineering, Guilin University of TechnologyGuilin 541004China
| | - Lei Li
- College of Chemistry and Bioengineering, Guilin University of TechnologyGuilin 541004China
| | - Hao Li
- College of Chemistry and Bioengineering, Guilin University of TechnologyGuilin 541004China
| | - Ying Zhai
- College of Chemistry and Bioengineering, Guilin University of TechnologyGuilin 541004China
| | - Fushun Tang
- College of Chemistry and Bioengineering, Guilin University of TechnologyGuilin 541004China
| | - Zhe Zhang
- College of Chemistry and Bioengineering, Guilin University of TechnologyGuilin 541004China
| | - Banglin Chen
- Department of Chemistry, The University of Texas at San AntonioTexas 78249USA
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22
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Tabanelli G, Barbieri F, Soglia F, Magnani R, Gardini G, Petracci M, Gardini F, Montanari C. Safety and technological issues of dry fermented sausages produced without nitrate and nitrite. Food Res Int 2022; 160:111685. [DOI: 10.1016/j.foodres.2022.111685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 11/26/2022]
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23
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Li N, Wang C, Zhang K, Lv H, Yuan M, Bahnemann DW. Progress and prospects of photocatalytic conversion of low-concentration NO. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(22)64139-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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24
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Wu Y, Wang Y, Sun Y, Li Z, Li X, Zhou Z, Tang D. Dissociation of Bipyridine and Coordination with Nitrosyl: Cyclometalated Ruthenium Nitrosyl Complex. Inorg Chem 2022; 61:8997-9011. [PMID: 35657382 DOI: 10.1021/acs.inorgchem.1c03770] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A novel family of ruthenium nitrosyl complexes [Ru(bpy)(C∧N)(MeCN)NO](PF6)2 (2a-2e, bpy = 2,2'-bipyridine, HC∧N = 2-phenylpyridine and its derivatives) has been prepared by reacting cyclometalated ruthenium complexes [Ru(bpy)2(C∧N)][PF6] (1a-1e) with NO+, which were comprehensively characterized by mass, IR, NMR, and UV-vis spectra as well as the single-crystal X-ray structure determinations. Herein, the coordination geometry of Ru atoms in 2a-2e is a distorted octahedron and {RuII-NO+}6 is present in these complexes. Theoretical calculations suggest that the reactions involving dissociation of one bipyridine and coordination with NO+ proceed spontaneously (ΔG < 0) and the transformation from 1a-1e to the intermediates is dominated by substituents (ΔGRI varies from -1.19 to -1.53 eV), which influence the binding energy between Ru(II) and NO+ in complexes 2a-2e (-89.42 to -101.17 kcal/mol) and thus control the photorelease of NO on a certain scale. The weak absorption bands in the visible region could be attributed to the contribution of dπ(RuII) → π*(NO+), which were enhanced greatly under light, indicating the possible release of NO. The photoinduced NO, as well as singlet oxygen (1O2), was then confirmed by EPR spectra, and the amount of NO released from 2a-2e was estimated via Griess reagent assay. The cytotoxicity of these complexes with or without visible light irradiation was also investigated using an MTT assay.
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Affiliation(s)
- Yuhao Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Yirong Wang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Yun Sun
- College of Chemistry and Materials Science, International Joint Laboratory on Resource Chemistry of Ministry Education, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Zhen Li
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Xianghong Li
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China.,Key Laboratory of Analytical Chemistry of State Ethnic affairs Commission, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Zhiguo Zhou
- College of Chemistry and Materials Science, International Joint Laboratory on Resource Chemistry of Ministry Education, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Dingguo Tang
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, P. R. China
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25
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Stredansky M, Moro S, Corva M, Sturmeit H, Mischke V, Janas D, Cojocariu I, Jugovac M, Cossaro A, Verdini A, Floreano L, Feng Z, Sala A, Comelli G, Windischbacher A, Puschnig P, Hohner C, Kettner M, Libuda J, Cinchetti M, Schneider CM, Feyer V, Vesselli E, Zamborlini G. Disproportionation of Nitric Oxide at a Surface‐Bound Nickel Porphyrinoid. Angew Chem Int Ed Engl 2022; 61:e202201916. [PMID: 35267236 PMCID: PMC9314816 DOI: 10.1002/anie.202201916] [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: 02/04/2022] [Indexed: 11/28/2022]
Abstract
Uncommon metal oxidation states in porphyrinoid cofactors are responsible for the activity of many enzymes. The F430 and P450nor co‐factors, with their reduced NiI‐ and FeIII‐containing tetrapyrrolic cores, are prototypical examples of biological systems involved in methane formation and in the reduction of nitric oxide, respectively. Herein, using a comprehensive range of experimental and theoretical methods, we raise evidence that nickel tetraphenyl porphyrins deposited in vacuo on a copper surface are reactive towards nitric oxide disproportionation at room temperature. The interpretation of the measurements is far from being straightforward due to the high reactivity of the different nitrogen oxides species (eventually present in the residual gas background) and of the possible reaction intermediates. The picture is detailed in order to disentangle the challenging complexity of the system, where even a small fraction of contamination can change the scenario.
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Affiliation(s)
- Matus Stredansky
- Physics Department University of Trieste via A. Valerio 2 34127 Trieste Italy
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | - Stefania Moro
- Physics Department University of Trieste via A. Valerio 2 34127 Trieste Italy
| | - Manuel Corva
- Physics Department University of Trieste via A. Valerio 2 34127 Trieste Italy
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | | | | | - David Janas
- Department of Physics TU Dortmund University Dortmund Germany
| | - Iulia Cojocariu
- Peter Grünberg Institute (PGI-6) Forschungszentrum Jülich GmbH Jülich Germany
| | - Matteo Jugovac
- Peter Grünberg Institute (PGI-6) Forschungszentrum Jülich GmbH Jülich Germany
| | - Albano Cossaro
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
- Department of Chemistry and Pharmaceutical Science University of Trieste via L-Giorgieri 1 34127 Trieste Italy
| | - Alberto Verdini
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | - Luca Floreano
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | - Zhijing Feng
- Physics Department University of Trieste via A. Valerio 2 34127 Trieste Italy
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | - Alessandro Sala
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | - Giovanni Comelli
- Physics Department University of Trieste via A. Valerio 2 34127 Trieste Italy
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | | | - Peter Puschnig
- Institut für Physik Karl-Franzens-Universität Graz 8010 Graz Austria
| | - Chantal Hohner
- Erlangen Center for Interface Research and Catalysis Friedrich-Alexander-Universität Erlangen-Nürnberg Egerlandstr. 3 91058 Erlangen Germany
| | - Miroslav Kettner
- Erlangen Center for Interface Research and Catalysis Friedrich-Alexander-Universität Erlangen-Nürnberg Egerlandstr. 3 91058 Erlangen Germany
| | - Jörg Libuda
- Erlangen Center for Interface Research and Catalysis Friedrich-Alexander-Universität Erlangen-Nürnberg Egerlandstr. 3 91058 Erlangen Germany
| | - Mirko Cinchetti
- Department of Physics TU Dortmund University Dortmund Germany
| | - Claus Michael Schneider
- Peter Grünberg Institute (PGI-6) Forschungszentrum Jülich GmbH Jülich Germany
- Fakultät f. Physik and Center for Nanointegration Duisburg-Essen (CENIDE) Universität Duisburg-Essen 47048 Duisburg Germany
| | - Vitaliy Feyer
- Peter Grünberg Institute (PGI-6) Forschungszentrum Jülich GmbH Jülich Germany
- Fakultät f. Physik and Center for Nanointegration Duisburg-Essen (CENIDE) Universität Duisburg-Essen 47048 Duisburg Germany
| | - Erik Vesselli
- Physics Department University of Trieste via A. Valerio 2 34127 Trieste Italy
- CNR-IOM, Area Science Park S.S. 14 km 163,5 34149 Trieste Italy
| | - Giovanni Zamborlini
- Department of Physics TU Dortmund University Dortmund Germany
- Peter Grünberg Institute (PGI-6) Forschungszentrum Jülich GmbH Jülich Germany
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26
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Stredansky M, Moro S, Corva M, Sturmeit H, Mischke V, Janas D, Cojocariu I, Jugovac M, Cossaro A, Verdini A, Floreano L, Feng Z, Sala A, Comelli G, Windischbacher A, Puschnig P, Hohner C, Kettner M, Libuda J, Cinchetti M, Schneider CM, Feyer V, Vesselli E, Zamborlini G. Disproportionation of Nitric Oxide at a Surface-Bound Nickel Porphyrinoid. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 134:e202201916. [PMID: 38505699 PMCID: PMC10947138 DOI: 10.1002/ange.202201916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Indexed: 11/07/2022]
Abstract
Uncommon metal oxidation states in porphyrinoid cofactors are responsible for the activity of many enzymes. The F430 and P450nor co-factors, with their reduced NiI- and FeIII-containing tetrapyrrolic cores, are prototypical examples of biological systems involved in methane formation and in the reduction of nitric oxide, respectively. Herein, using a comprehensive range of experimental and theoretical methods, we raise evidence that nickel tetraphenyl porphyrins deposited in vacuo on a copper surface are reactive towards nitric oxide disproportionation at room temperature. The interpretation of the measurements is far from being straightforward due to the high reactivity of the different nitrogen oxides species (eventually present in the residual gas background) and of the possible reaction intermediates. The picture is detailed in order to disentangle the challenging complexity of the system, where even a small fraction of contamination can change the scenario.
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Affiliation(s)
- Matus Stredansky
- Physics DepartmentUniversity of Triestevia A. Valerio 234127TriesteItaly
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
| | - Stefania Moro
- Physics DepartmentUniversity of Triestevia A. Valerio 234127TriesteItaly
| | - Manuel Corva
- Physics DepartmentUniversity of Triestevia A. Valerio 234127TriesteItaly
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
| | | | | | - David Janas
- Department of PhysicsTU Dortmund UniversityDortmundGermany
| | - Iulia Cojocariu
- Peter Grünberg Institute (PGI-6)Forschungszentrum Jülich GmbHJülichGermany
| | - Matteo Jugovac
- Peter Grünberg Institute (PGI-6)Forschungszentrum Jülich GmbHJülichGermany
| | - Albano Cossaro
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
- Department of Chemistry and Pharmaceutical ScienceUniversity of Triestevia L-Giorgieri 134127TriesteItaly
| | | | - Luca Floreano
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
| | - Zhijing Feng
- Physics DepartmentUniversity of Triestevia A. Valerio 234127TriesteItaly
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
| | | | - Giovanni Comelli
- Physics DepartmentUniversity of Triestevia A. Valerio 234127TriesteItaly
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
| | | | - Peter Puschnig
- Institut für PhysikKarl-Franzens-Universität Graz8010GrazAustria
| | - Chantal Hohner
- Erlangen Center for Interface Research and CatalysisFriedrich-Alexander-Universität Erlangen-NürnbergEgerlandstr. 391058ErlangenGermany
| | - Miroslav Kettner
- Erlangen Center for Interface Research and CatalysisFriedrich-Alexander-Universität Erlangen-NürnbergEgerlandstr. 391058ErlangenGermany
| | - Jörg Libuda
- Erlangen Center for Interface Research and CatalysisFriedrich-Alexander-Universität Erlangen-NürnbergEgerlandstr. 391058ErlangenGermany
| | | | - Claus Michael Schneider
- Peter Grünberg Institute (PGI-6)Forschungszentrum Jülich GmbHJülichGermany
- Fakultät f. Physik and Center for Nanointegration Duisburg-Essen (CENIDE)Universität Duisburg-Essen47048DuisburgGermany
| | - Vitaliy Feyer
- Peter Grünberg Institute (PGI-6)Forschungszentrum Jülich GmbHJülichGermany
- Fakultät f. Physik and Center for Nanointegration Duisburg-Essen (CENIDE)Universität Duisburg-Essen47048DuisburgGermany
| | - Erik Vesselli
- Physics DepartmentUniversity of Triestevia A. Valerio 234127TriesteItaly
- CNR-IOM, Area Science ParkS.S. 14 km 163,534149TriesteItaly
| | - Giovanni Zamborlini
- Department of PhysicsTU Dortmund UniversityDortmundGermany
- Peter Grünberg Institute (PGI-6)Forschungszentrum Jülich GmbHJülichGermany
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27
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Foley EL, Hvitved AN, Eich RF, Olson JS. Mechanisms of nitric oxide reactions with Globins using mammalian myoglobin as a model system. J Inorg Biochem 2022; 233:111839. [DOI: 10.1016/j.jinorgbio.2022.111839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/13/2022] [Accepted: 04/16/2022] [Indexed: 12/15/2022]
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28
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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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29
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Nitric oxide precipitates catastrophic chromosome fragmentation by bolstering both hydrogen peroxide and Fe(II) Fenton reactants in E. coli. J Biol Chem 2022; 298:101825. [PMID: 35288189 PMCID: PMC9018393 DOI: 10.1016/j.jbc.2022.101825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/23/2022] [Accepted: 03/08/2022] [Indexed: 11/22/2022] Open
Abstract
Immune cells kill invading microbes by producing reactive oxygen and nitrogen species, primarily hydrogen peroxide (H2O2) and nitric oxide (NO). We previously found that NO inhibits catalases in Escherichia coli, stabilizing H2O2 around treated cells and promoting catastrophic chromosome fragmentation via continuous Fenton reactions generating hydroxyl radicals. Indeed, H2O2-alone treatment kills catalase-deficient (katEG) mutants similar to H2O2+NO treatment. However, the Fenton reaction, in addition to H2O2, requires Fe(II), which H2O2 excess instantly converts into Fenton-inert Fe(III). For continuous Fenton when H2O2 is stable, a supply of reduced iron becomes necessary. We show here that this supply is ensured by Fe(II) recruitment from ferritins and Fe(III) reduction by flavin reductase. Our observations also concur with NO-mediated respiration inhibition that drives Fe(III) reduction. We modeled this NO-mediated inhibition via inactivation of ndh and nuo respiratory enzymes responsible for the step of NADH oxidation, which results in increased NADH pools driving flavin reduction. We found that, like the katEG mutant, the ndh nuo double mutant is similarly sensitive to H2O2-alone and H2O2+NO treatments. Moreover, the quadruple katEG ndh nuo mutant lacking both catalases and efficient respiration was rapidly killed by H2O2-alone, but this killing was delayed by NO, rather than potentiated by it. Taken together, we conclude that NO boosts the levels of both H2O2 and Fe(II) Fenton reactants, making continuous hydroxyl-radical production feasible and resulting in irreparable oxidative damage to the chromosome.
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30
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Solymosi D, Shevela D, Allahverdiyeva Y. Nitric oxide represses photosystem II and NDH-1 in the cyanobacterium Synechocystis sp. PCC 6803. BIOCHIMICA ET BIOPHYSICA ACTA. BIOENERGETICS 2022; 1863:148507. [PMID: 34728155 DOI: 10.1016/j.bbabio.2021.148507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 10/20/2021] [Accepted: 10/27/2021] [Indexed: 11/16/2022]
Abstract
Photosynthetic electron transfer comprises a series of light-induced redox reactions catalysed by multiprotein machinery in the thylakoid. These protein complexes possess cofactors susceptible to redox modifications by reactive small molecules. The gaseous radical nitric oxide (NO), a key signalling molecule in green algae and plants, has earlier been shown to bind to Photosystem (PS) II and obstruct electron transfer in plants. The effects of NO on cyanobacterial bioenergetics however, have long remained obscure. In this study, we exposed the model cyanobacterium Synechocystis sp. PCC 6803 to NO under anoxic conditions and followed changes in whole-cell fluorescence and oxidoreduction of P700 in vivo. Our results demonstrate that NO blocks photosynthetic electron transfer in cells by repressing PSII, PSI, and likely the NDH dehydrogenase-like complex 1 (NDH-1). We propose that iron‑sulfur clusters of NDH-1 complex may be affected by NO to such an extent that ferredoxin-derived electron injection to the plastoquinone pool, and thus cyclic electron transfer, may be inhibited. These findings reveal the profound effects of NO on Synechocystis cells and demonstrate the importance of controlled NO homeostasis in cyanobacteria.
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Affiliation(s)
- Daniel Solymosi
- Molecular Plant Biology, Department of Life Technologies, University of Turku, Turku, FI 20014, Finland
| | - Dmitry Shevela
- Chemical Biological Centre, Department of Chemistry, Umeå University, 90187 Umeå, Sweden
| | - Yagut Allahverdiyeva
- Molecular Plant Biology, Department of Life Technologies, University of Turku, Turku, FI 20014, Finland.
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31
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Das S, Ray S, Devi T, Ghosh S, Harmalkar SS, Dhuri SN, Mondal P, Kumar P. Why Intermolecular Nitric Oxide (NO) Transfer? Exploring the Factors and Mechanistic Aspects of NO Transfer Reaction. Chem Sci 2022; 13:1706-1714. [PMID: 35282634 PMCID: PMC8827119 DOI: 10.1039/d1sc06803b] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 12/17/2021] [Indexed: 11/21/2022] Open
Abstract
Small molecule activation & their transfer reactions in biological or catalytic reactions are greatly influenced by the metal-centers and the ligand frameworks. Here, we report the metal-directed nitric oxide (NO)...
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Affiliation(s)
- Sandip Das
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Soumyadip Ray
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Tarali Devi
- Humboldt-Universität zu Berlin, Institut für Chemie Brook-Taylor-Straße 2 D-12489 Berlin Germany
| | - Somnath Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | | | - Sunder N Dhuri
- School of Chemical Sciences, Goa University Goa-403206 India
| | - Padmabati Mondal
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Pankaj Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
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32
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Lehnert N, Kim E, Dong HT, Harland JB, Hunt AP, Manickas EC, Oakley KM, Pham J, Reed GC, Alfaro VS. The Biologically Relevant Coordination Chemistry of Iron and Nitric Oxide: Electronic Structure and Reactivity. Chem Rev 2021; 121:14682-14905. [PMID: 34902255 DOI: 10.1021/acs.chemrev.1c00253] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Nitric oxide (NO) is an important signaling molecule that is involved in a wide range of physiological and pathological events in biology. Metal coordination chemistry, especially with iron, is at the heart of many biological transformations involving NO. A series of heme proteins, nitric oxide synthases (NOS), soluble guanylate cyclase (sGC), and nitrophorins, are responsible for the biosynthesis, sensing, and transport of NO. Alternatively, NO can be generated from nitrite by heme- and copper-containing nitrite reductases (NIRs). The NO-bearing small molecules such as nitrosothiols and dinitrosyl iron complexes (DNICs) can serve as an alternative vehicle for NO storage and transport. Once NO is formed, the rich reaction chemistry of NO leads to a wide variety of biological activities including reduction of NO by heme or non-heme iron-containing NO reductases and protein post-translational modifications by DNICs. Much of our understanding of the reactivity of metal sites in biology with NO and the mechanisms of these transformations has come from the elucidation of the geometric and electronic structures and chemical reactivity of synthetic model systems, in synergy with biochemical and biophysical studies on the relevant proteins themselves. This review focuses on recent advancements from studies on proteins and model complexes that not only have improved our understanding of the biological roles of NO but also have provided foundations for biomedical research and for bio-inspired catalyst design in energy science.
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Affiliation(s)
- Nicolai Lehnert
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Eunsuk Kim
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Hai T Dong
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Jill B Harland
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Andrew P Hunt
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Elizabeth C Manickas
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Kady M Oakley
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - John Pham
- Department of Chemistry, Brown University, Providence, Rhode Island 02912, United States
| | - Garrett C Reed
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
| | - Victor Sosa Alfaro
- Department of Chemistry and Department of Biophysics, University of Michigan, Ann Arbor, Michigan 48109-1055, United States
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33
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Perdoménico J, Levin N, Fierro AC, Cordero Chernek OA, Weyhermüller T, Slep LD. A New Member of the Growing Family of Interconvertible {RuNO}
6,7,8
Species. Redox and Acid‐Base Characterization of [Ru((CH
2
py)
2
Me[9]aneN
3
)(NO)]
n
+
. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100753] [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)
- Julián Perdoménico
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales, and INQUIMAE Universidad de Buenos Aires-CONICET, Pabellón 2, 3er piso, Ciudad Universitaria C1428EHA Ciudad Autónoma de Buenos Aires Argentina
| | - Natalia Levin
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales, and INQUIMAE Universidad de Buenos Aires-CONICET, Pabellón 2, 3er piso, Ciudad Universitaria C1428EHA Ciudad Autónoma de Buenos Aires Argentina
- Max-Planck-Institut für Chemische Energiekonversion Stiftstraße 34–36, 45470 Mülheim an der Ruhr Germany
| | - Anabella C. Fierro
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales, and INQUIMAE Universidad de Buenos Aires-CONICET, Pabellón 2, 3er piso, Ciudad Universitaria C1428EHA Ciudad Autónoma de Buenos Aires Argentina
| | - Oswaldo A. Cordero Chernek
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales, and INQUIMAE Universidad de Buenos Aires-CONICET, Pabellón 2, 3er piso, Ciudad Universitaria C1428EHA Ciudad Autónoma de Buenos Aires Argentina
| | - Thomas Weyhermüller
- Max-Planck-Institut für Chemische Energiekonversion Stiftstraße 34–36, 45470 Mülheim an der Ruhr Germany
| | - Leonardo D. Slep
- Departamento de Química Inorgánica, Analítica y Química Física Facultad de Ciencias Exactas y Naturales, and INQUIMAE Universidad de Buenos Aires-CONICET, Pabellón 2, 3er piso, Ciudad Universitaria C1428EHA Ciudad Autónoma de Buenos Aires Argentina
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34
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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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35
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Neuman NI, Venâncio MF, Rocha WR, Bikiel DE, Suárez SA, Doctorovich F. Nitric Oxide Reacts Very Fast with Hydrogen Sulfide, Alcohols, and Thiols to Produce HNO: Revised Rate Constants. Inorg Chem 2021; 60:15997-16007. [PMID: 34450017 DOI: 10.1021/acs.inorgchem.1c01061] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The chemical reactivity of NO and its role in several biological processes seem well established. Despite this, the chemical reduction of •NO toward HNO has been historically discarded, mainly because of the negative reduction potential of NO. However, this value and its implications are nowadays under revision. The last reported redox potential, E'(NO,H+/HNO), at micromolar and picomolar concentrations of •NO and HNO, respectively, is between -0.3 and 0 V at pH 7.4. This potential implies that the one-electron-reduction process for NO is feasible under biological conditions and could be promoted by well-known biological reductants with reduction potentials of around -0.3 to -0.5 V. Moreover, the biologically compatible chemical reduction of •NO (nonenzymatic), like direct routes to HNO by alkylamines, aromatic and pseudoaromatic alcohols, thiols, and hydrogen sulfide, has been extensively explored by our group during the past decade. The aim of this work is to use a kinetic modeling approach to analyze electrochemical HNO measurements and to report for the first-time direct reaction rate constants between •NO and moderate reducing agents, producing HNO. These values are between 5 and 30 times higher than the previously reported keff values. On the other hand, we also showed that reaction through successive attack by two NO molecules to biologically compatible compounds could produce HNO. After over 3 decades of intense research, the •NO chemistry is still there, ready to be discovered.
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Affiliation(s)
- Nicolas I Neuman
- Instituto de Desarrollo Tecnológico para la Industria Química, INTEC, UNL-CONICET, Paraje El Pozo, Santa Fe 3000, Argentina
- Institut für Anorganische Chemie, Universität Stuttgart, Stuttgart D-70569, Germany
| | - Mateus F Venâncio
- Departamento de Físico-Química, Instituto de Química, Universidade Federal da Bahia, Salvador, Bahia 40170-110, Brazil
| | - Willian R Rocha
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
| | - Damian E Bikiel
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1053, Argentina
- INQUIMAE-CONICET, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
| | - Sebastián A Suárez
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1053, Argentina
- INQUIMAE-CONICET, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
| | - Fabio Doctorovich
- Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires C1053, Argentina
- INQUIMAE-CONICET, Ciudad Universitaria, Buenos Aires C1428EHA, Argentina
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Oszajca M, Drabik G, Radoń M, Franke A, van Eldik R, Stochel G. Experimental and Computational Insight into the Mechanism of NO Binding to Ferric Microperoxidase. The Likely Role of Tautomerization to Account for the pH Dependence. Inorg Chem 2021; 60:15948-15967. [PMID: 34476946 DOI: 10.1021/acs.inorgchem.1c00933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
According to the current paradigm, the metal-hydroxo bond in a six-coordinate porphyrin complex is believed to be significantly less reactive in ligand substitution than the analogous metal-aqua bond, due to a much higher strength of the former bond. Here, we report kinetic studies for nitric oxide (NO) binding to a heme-protein model, acetylated microperoxidase-11 (AcMP-11), that challenge this paradigm. In the studied pH range 7.4-12.6, ferric AcMP-11 exists in three acid-base forms, assigned in the literature as [(AcMP-11)FeIII(H2O)(HisH)] (1), [(AcMP-11)FeIII(OH)(HisH)] (2), and [(AcMP-11)FeIII(OH)(His-)] (3). From the pH dependence of the second-order rate constant for NO binding (kon), we determined individual rate constants characterizing forms 1-3, revealing only a ca. 10-fold decrease in the NO binding rate on going from 1 (kon(1) = 3.8 × 106 M-1 s-1) to 2 (kon(2) = 4.0 × 105 M-1 s-1) and the inertness of 3. These findings lead to the abandonment of the dissociatively activated mechanism, in which the reaction rate can be directly correlated with the Fe-OH bond energy, as the mechanistic explanation for the process with regard to 2. The reactivity of 2 is accounted for through the existence of a tautomeric equilibrium between the major [(AcMP-11)FeIII(OH)(HisH)] (2a) and minor [(AcMP-11)FeIII(H2O)(His-)] (2b) species, of which the second one is assigned as the NO binding target due to its labile Fe-OH2 bond. The proposed mechanism is further substantiated by quantum-chemical calculations, which confirmed both the significant labilization of the Fe-OH2 bond in the [(AcMP-11)FeIII(H2O)(His-)] tautomer and the feasibility of the tautomer formation, especially after introducing empirical corrections to the computed relative acidities of the H2O and HisH ligands based on the experimental pKa values. It is shown that the "effective lability" of the axial ligand (OH-/H2O) in 2 may be comparable to the lability of the H2O ligand in 1.
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Affiliation(s)
- Maria Oszajca
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Gabriela Drabik
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Mariusz Radoń
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Alicja Franke
- Department of Chemistry, Ludwigs-Maximilians University, Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Rudi van Eldik
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
- Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Egerlandstr. 1, 91058 Erlangen, Germany
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland
| | - Grażyna Stochel
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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da Silva GM, da Silva MC, Nascimento DVG, Lima Silva EM, Gouvêa FFF, de França Lopes LG, Araújo AV, Ferraz Pereira KN, de Queiroz TM. Nitric Oxide as a Central Molecule in Hypertension: Focus on the Vasorelaxant Activity of New Nitric Oxide Donors. BIOLOGY 2021; 10:biology10101041. [PMID: 34681140 PMCID: PMC8533285 DOI: 10.3390/biology10101041] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/08/2021] [Accepted: 10/09/2021] [Indexed: 12/15/2022]
Abstract
Cardiovascular diseases include all types of disorders related to the heart or blood vessels. High blood pressure is an important risk factor for cardiac complications and pathological disorders. An increase in circulating angiotensin-II is a potent stimulus for the expression of reactive oxygen species and pro-inflammatory cytokines that activate oxidative stress, perpetuating a deleterious effect in hypertension. Studies demonstrate the capacity of NO to prevent platelet or leukocyte activation and adhesion and inhibition of proliferation, as well as to modulate inflammatory or anti-inflammatory reactions and migration of vascular smooth muscle cells. However, in conditions of low availability of NO, such as during hypertension, these processes are impaired. Currently, there is great interest in the development of compounds capable of releasing NO in a modulated and stable way. Accordingly, compounds containing metal ions coupled to NO are being investigated and are widely recognized as having great relevance in the treatment of different diseases. Therefore, the exogenous administration of NO is an attractive and pharmacological alternative in the study and treatment of hypertension. The present review summarizes the role of nitric oxide in hypertension, focusing on the role of new NO donors, particularly the metal-based drugs and their protagonist activity in vascular function.
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Affiliation(s)
- Gabriela Maria da Silva
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
| | - Mirelly Cunha da Silva
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
| | - Déborah Victória Gomes Nascimento
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
| | - Ellen Mayara Lima Silva
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
| | - Fabíola Furtado Fialho Gouvêa
- School of Technical Health, Health Sciences Center, Federal University of Paraíba, João Pessoa 58.051-900, PB, Brazil;
| | - Luiz Gonzaga de França Lopes
- Laboratory of Bioinorganic Chemistry, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza 60.020-181, CE, Brazil;
| | - Alice Valença Araújo
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
| | - Kelli Nogueira Ferraz Pereira
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
| | - Thyago Moreira de Queiroz
- Laboratory of Nutrition, Physical Activity and Phenotypic Plasticity, Federal University of Pernambuco, Vitória de Santo Antão 55.608-680, PE, Brazil; (G.M.d.S.); (M.C.d.S.); (D.V.G.N.); (E.M.L.S.); (A.V.A.); (K.N.F.P.)
- Correspondence:
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Shafizadeh N, Crestoni ME, de la Lande A, Soep B. Heme ligation in the gas phase. INT REV PHYS CHEM 2021. [DOI: 10.1080/0144235x.2021.1952006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Maria Elisa Crestoni
- Dipartimento di Chimica e Tecnologie del Farmaco, Università di Roma “La Sapienza”, Roma, Italy
| | | | - Benoît Soep
- ISMO-CNRS, Université Paris Saclay, Orsay Cedex, France
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Kulbir, Das S, Devi T, Goswami M, Yenuganti M, Bhardwaj P, Ghosh S, Chandra Sahoo S, Kumar P. Oxygen atom transfer promoted nitrate to nitric oxide transformation: a step-wise reduction of nitrate → nitrite → nitric oxide. Chem Sci 2021; 12:10605-10612. [PMID: 35003574 PMCID: PMC8666158 DOI: 10.1039/d1sc00803j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/01/2021] [Indexed: 12/22/2022] Open
Abstract
Nitrate reductases (NRs) are molybdoenzymes that reduce nitrate (NO3−) to nitrite (NO2−) in both mammals and plants. In mammals, the salival microbes take part in the generation of the NO2− from NO3−, which further produces nitric oxide (NO) either in acid-induced NO2− reduction or in the presence of nitrite reductases (NiRs). Here, we report a new approach of VCl3 (V3+ ion source) induced step-wise reduction of NO3− in a CoII-nitrato complex, [(12-TMC)CoII(NO3−)]+ (2,{CoII–NO3−}), to a CoIII–nitrosyl complex, [(12-TMC)CoIII(NO)]2+ (4,{CoNO}8), bearing an N-tetramethylated cyclam (TMC) ligand. The VCl3 inspired reduction of NO3− to NO is believed to occur in two consecutive oxygen atom transfer (OAT) reactions, i.e., OAT-1 = NO3− → NO2− (r1) and OAT-2 = NO2− → NO (r2). In these OAT reactions, VCl3 functions as an O-atom abstracting species, and the reaction of 2 with VCl3 produces a CoIII-nitrosyl ({CoNO}8) with VV-Oxo ({VV
Created by potrace 1.16, written by Peter Selinger 2001-2019
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O}3+) species, via a proposed CoII-nitrito (3, {CoII–NO2−}) intermediate species. Further, in a separate experiment, we explored the reaction of isolated complex 3 with VCl3, which showed the generation of 4 with VV-Oxo, validating our proposed reaction sequences of OAT reactions. We ensured and characterized 3 using VCl3 as a limiting reagent, as the second-order rate constant of OAT-2 (k2/) is found to be ∼1420 times faster than that of the OAT-1 (k2) reaction. Binding constant (Kb) calculations also support our proposition of NO3− to NO transformation in two successive OAT reactions, as Kb(CoII–NO2−) is higher than Kb(CoII–NO3−), hence the reaction moves in the forward direction (OAT-1). However, Kb(CoII–NO2−) is comparable to Kb{CoNO}8, and therefore sequenced the second OAT reaction (OAT-2). Mechanistic investigations of these reactions using 15N-labeled-15NO3− and 15NO2− revealed that the N-atom in the {CoNO}8 is derived from NO3− ligand. This work highlights the first-ever report of VCl3 induced step-wise NO3− reduction (NRs activity) followed by the OAT induced NO2− reduction and then the generation of Co-nitrosyl species {CoNO}8. Single metal-induced reduction of NO3− → {NO2−} → NO via oxygen atom transfer reaction.![]()
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Affiliation(s)
- Kulbir
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Sandip Das
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Tarali Devi
- Humboldt-Universität zu Berlin, Institut für Chemie Brook-Taylor-Straße 2 D-12489 Berlin Germany
| | - Mrigaraj Goswami
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Mahesh Yenuganti
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Prabhakar Bhardwaj
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | - Somnath Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
| | | | - Pankaj Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati 517507 India
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40
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Kuschman HP, Palczewski MB, Thomas DD. Nitric oxide and hydrogen sulfide: Sibling rivalry in the family of epigenetic regulators. Free Radic Biol Med 2021; 170:34-43. [PMID: 33482335 DOI: 10.1016/j.freeradbiomed.2021.01.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/16/2020] [Accepted: 01/06/2021] [Indexed: 01/12/2023]
Abstract
Nitric oxide (NO) and hydrogen sulfide (H2S) were previously only known for their toxic properties. Now they are regarded as potent gaseous messenger molecules (gasotransmitters) that rapidly transverse cell membranes and transduce cellular signals through their chemical reactions and modifications to protein targets. Both are known to regulate numerous physiological functions including angiogenesis, vascular tone, and immune response, to name a few. NO and H2S often work synergistically and in competition to regulate each other's synthesis, target protein activity via posttranslational modifications (PTMs), and chemical interactions. In addition to their canonical modes of action, increasing evidence has demonstrated that NO and H2S share another signaling mechanism: epigenetic regulation. This review will compare and contrast biosynthesis and metabolism of NO and H2S, their individual and shared interactions, and the growing body of evidence for their roles as endogenous epigenetic regulatory molecules.
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Affiliation(s)
- Hannah Petraitis Kuschman
- University of Illinois at Chicago, Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60612, United States
| | - Marianne B Palczewski
- University of Illinois at Chicago, Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60612, United States
| | - Douglas D Thomas
- University of Illinois at Chicago, Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, IL, 60612, United States.
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41
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Shahid S, Ali M, Legaspi-Humiston D, Wilcoxen J, Pacheco AA. A Kinetic Investigation of the Early Steps in Cytochrome c Nitrite Reductase (ccNiR)-Catalyzed Reduction of Nitrite. Biochemistry 2021; 60:2098-2115. [PMID: 34143605 DOI: 10.1021/acs.biochem.1c00172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The decaheme enzyme cytochrome c nitrite reductase (ccNiR) catalyzes reduction of nitrite to ammonium in a six-electron, eight-proton process. With a strong reductant as the electron source, ammonium is the sole product. However, intermediates accumulate when weaker reductants are employed, facilitating study of the ccNiR mechanism. Herein, the early stages of Shewanella oneidensis ccNiR-catalyzed nitrite reduction were investigated by using the weak reductants N,N,N',N'-tetramethyl-p-phenylenediamine (TMPD) and ferrocyanide. In stopped-flow experiments, reduction of nitrite-loaded ccNiR by TMPD generated a transient intermediate, identified as FeH1II(NO2-), where FeH1 represents the ccNiR active site. FeH1II(NO2-) accumulated rapidly and was then more slowly converted to the two-electron-reduced moiety {FeH1NO}7; ccNiR was not reduced beyond the {FeH1NO}7 state. The midpoint potentials for sequential reduction of FeH1III(NO2-) to FeH1II(NO2-) and then to {FeH1NO}7 were estimated to be 130 and 370 mV versus the standard hydrogen electrode, respectively. FeH1II(NO2-) does not accumulate at equilibrium because its reduction to {FeH1NO}7 is so much easier than the reduction of FeH1III(NO2-) to FeH1II(NO2-). With weak reductants, free NO• was released from nitrite-loaded ccNiR. The release of NO• from {FeH1NO}7 is exceedingly slow (k ∼ 0.001 s-1), but it is somewhat faster (k ∼ 0.050 s-1) while FeH1III(NO2-) is being reduced to {FeH1NO}7; then, the release of NO• from the undetectable transient {FeH1NO}6 can compete with reduction of {FeH1NO}6 to {FeH1NO}7. CcNiR appears to be optimized to capture nitrite and minimize the release of free NO•. Nitrite capture is achieved by reducing bound nitrite with even weak electron donors, while NO• release is minimized by stabilizing the substitutionally inert {FeH1NO}7 over the more labile {FeH1NO}6.
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Affiliation(s)
- Shahid Shahid
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - Mahbbat Ali
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - Desiree Legaspi-Humiston
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - Jarett Wilcoxen
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - A Andrew Pacheco
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
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42
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Vitillo JG, Gagliardi L. Thermal Treatment Effect on CO and NO Adsorption on Fe(II) and Fe(III) Species in Fe 3O-Based MIL-Type Metal-Organic Frameworks: A Density Functional Theory Study. Inorg Chem 2021; 60:11813-11824. [PMID: 34110149 PMCID: PMC8371607 DOI: 10.1021/acs.inorgchem.1c01044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
![]()
The properties of
metal–organic frameworks (MOFs) based
on triiron oxo-centered (Fe3O) metal nodes are often related
to the efficiency of the removal of the solvent molecules and the
counteranion chemisorbed on the Fe3O unit by postsynthetic
thermal treatment. Temperature, time, and the reaction environment
play a significant role in modifying key features of the materials,
that is, the number of open metal sites and the reduction of Fe(III)
centers to Fe(II). IR spectroscopy allows the inspection of these
postsynthetic modifications by using carbon monoxide (CO) and nitric
oxide (NO) as probe molecules. However, the reference data sets are
based on spectra recorded for iron zeolites and oxides, whose structures
are different from the Fe3O one. We used density functional
theory to study how the adsorption enthalpy and the vibrational bands
of CO and NO are modified upon dehydration and reduction of Fe3O metal nodes. We obtained a set of theoretical spectra that
can model the modification observed in previously reported experimental
spectra. Several CO and NO bands were previously assigned to heterogeneous
Fe(II) and Fe(III) sites, suggesting a large defectivity of the materials.
On the basis of the calculations, we propose an alternative assignment
of these bands by considering only crystallographic iron sites. These
findings affect the common description of Fe3O-based MOFs
as highly defective materials. We expect these results to be of interest
to the large community of scientists working on Fe(II)- and Fe(III)-based
MOFs and related materials. Thermal treatment
of triiron oxo-centered (Fe3O)-based metal−organic
frameworks is a common postsynthetic
method to determine the material performances in many applications:
we used density functional theory methods to study how the efficacy
of the treatment modifies the energetics and the vibrational bands
of nitric oxide (NO) and carbon monoxide. The obtained data set is
meant to be part of the characterization toolboxes aimed at the assessment
of thermal treatment protocols.
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Affiliation(s)
- Jenny G Vitillo
- Department of Science and High Technology and INSTM, University of Insubria, Via Valleggio 9, 22100 Como, Italy.,Department of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, 207 Pleasant Street S.E., Minneapolis, Minnesota 55455-0431, United States
| | - Laura Gagliardi
- Department of Chemistry, Pritzker School of Molecular Engineering, James Franck Institute, University of Chicago, Chicago, Illinois 60637, United States
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Hu Q, Shi J, Zhang J, Wang Y, Guo Y, Zhang Z. Progress and Prospects of Regulatory Functions Mediated by Nitric Oxide on Immunity and Immunotherapy. ADVANCED THERAPEUTICS 2021. [DOI: 10.1002/adtp.202100032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Qian Hu
- Tongji School of Pharmacy Huazhong University of Science and Technology Wuhan Hubei 430030 China
| | - Jingyu Shi
- Liyuan Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei 430077 China
| | - Jiao Zhang
- Tongji School of Pharmacy Huazhong University of Science and Technology Wuhan Hubei 430030 China
| | - Yi Wang
- Tongji School of Pharmacy Huazhong University of Science and Technology Wuhan Hubei 430030 China
| | - Yuanyuan Guo
- Liyuan Hospital, Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei 430077 China
| | - Zhiping Zhang
- Tongji School of Pharmacy, National Engineering Research Centre for Nanomedicine, Hubei Engineering Research Centre for Novel Drug Delivery System Huazhong University of Science and Technology Wuhan Hubei 430030 China
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Garren MR, Ashcraft M, Qian Y, Douglass M, Brisbois EJ, Handa H. Nitric oxide and viral infection: Recent developments in antiviral therapies and platforms. APPLIED MATERIALS TODAY 2021; 22:100887. [PMID: 38620577 PMCID: PMC7718584 DOI: 10.1016/j.apmt.2020.100887] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 11/11/2020] [Accepted: 11/14/2020] [Indexed: 05/09/2023]
Abstract
Nitric oxide (NO) is a gasotransmitter of great significance to developing the innate immune response to many bacterial and viral infections, while also modulating vascular physiology. The generation of NO from the upregulation of endogenous nitric oxide synthases serves as an efficacious method for inhibiting viral replication in host defense and warrants investigation for the development of antiviral therapeutics. With increased incidence of global pandemics concerning several respiratory-based viral infections, it is necessary to develop broad therapeutic platforms for inhibiting viral replication and enabling more efficient host clearance, as well as to fabricate new materials for deterring viral transmission from medical devices. Recent developments in creating stabilized NO donor compounds and their incorporation into macromolecular scaffolds and polymeric substrates has created a new paradigm for developing NO-based therapeutics for long-term NO release in applications for bactericidal and blood-contacting surfaces. Despite this abundance of research, there has been little consideration of NO-releasing scaffolds and substrates for reducing passive transmission of viral infections or for treating several respiratory viral infections. The aim of this review is to highlight the recent advances in developing gaseous NO, NO prodrugs, and NO donor compounds for antiviral therapies; discuss the limitations of NO as an antiviral agent; and outline future prospects for guiding materials design of a next generation of NO-releasing antiviral platforms.
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Key Words
- ACE, angiotensin converting enzyme
- AP1, activator protein 1
- COVID-19
- COVID-19, coronavirus disease 2019
- ECMO, extracorporeal membrane oxygenation, FDA, United States Food and Drug Administration
- GNSO, S-nitrosoglutathione
- H1N1, influenza A virus subtype H1N1
- HI, Host Immunology
- HIV, human immunodeficiency virus
- HPV, human papillomavirus
- HSV, herpes simplex virus
- I/R, pulmonary ischemia-reperfusion
- IC50, inhibitory concentration 50
- IFN, interferon
- IFNγ, interferon gamma
- IKK, inhibitor of nuclear factor kappa B kinase
- IRF-1, interferon regulatory factor 1
- Inhalation therapy
- Medical Terminology: ARDS, acute respiratory distress syndrome
- NF-κB, nuclear factor kappa-light-chain enhancer of activated B cells
- NO, nitric oxide
- NOS, nitric oxide synthase
- Nitric Oxide and Related Compounds: eNOS/NOS 3, endothelial nitric oxide synthase
- Nitric oxide
- Other: DNA, deoxyribonucleic acid
- P38-MAPK, P38 mitogen-activated protein kinases
- PAMP, pathogen-associated molecular pattern
- PCV2, porcine circovirus type 2
- PHT, pulmonary hypertension
- PKR, protein kinase R
- RNA, ribonucleic acid
- RNI, reactive nitrogen intermediate
- RSNO, S-nitrosothiol
- SARS, severe acute respiratory syndrome
- SARS-CoV-2, severe acute respiratory syndrome coronavirus 2
- SNAP, S-nitroso-N-acetyl-penicillamine
- STAT-1, signal transducer and activator of transcription 1
- Severe acute respiratory distress
- TAK1, transforming growth factor β-activated kinases-1
- TLR, toll-like receptor
- VAP, ventilator associated pneumonia
- Viral infection
- Viruses: CVB3, coxsackievirus
- dsRNA, double stranded (viral) ribonucleic acid
- gNO, gaseous nitric oxide
- iNOS/NOS 2, inducible nitric oxide synthase
- mtALDH, mitochondrial aldehyde dehydrogenase
- nNOS/NOS 1, neuronal nitric oxide synthase
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Affiliation(s)
- Mark R Garren
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Morgan Ashcraft
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, USA
| | - Yun Qian
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Megan Douglass
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Elizabeth J Brisbois
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
| | - Hitesh Handa
- School of Chemical, Materials, and Biochemical Engineering, College of Engineering, University of Georgia, Athens, GA, USA
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Pecak J, Fleissner S, Veiros LF, Pittenauer E, Stöger B, Kirchner K. Synthesis and Catalytic Reactivity of Cobalt Pincer Nitrosyl Hydride Complexes. Organometallics 2021; 40:278-285. [PMID: 33519014 PMCID: PMC7842137 DOI: 10.1021/acs.organomet.0c00755] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Indexed: 11/30/2022]
Abstract
The synthesis, characterization, and catalytic activity of low-spin {CoNO}8 pincer complexes of the type [Co(PCP)(NO)(H)] are described. These compounds are obtained either by reacting [Co(PCP)(κ2-BH4)] with NO and Et3N or, alternatively, by reacting [Co(PCP)(NO)]+ with boranes, such as NH3·BH3 in solution. The five-coordinate, diamagnetic Co(III) complex [Co(PCPNMe-iPr)(NO)(H)] was found to be the active species in the hydroboration of alkenes with anti-Markovnikov selectivity. A range of aromatic and aliphatic alkenes were efficiently converted with pinacolborane (HBpin) under mild conditions in good to excellent yield. Mechanistic insight into the catalytic reaction is provided by means of isotope labeling, NMR spectroscopy, and APCI/ESI-MS as well as DFT calculations.
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Affiliation(s)
- Jan Pecak
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Sarah Fleissner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Luis F Veiros
- Centro de Química Estrutural and Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Ernst Pittenauer
- Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Berthold Stöger
- X-Ray Center, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
| | - Karl Kirchner
- Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9, A-1060 Vienna, Austria
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46
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Ledo A, Lourenço CF, Cadenas E, Barbosa RM, Laranjinha J. The bioactivity of neuronal-derived nitric oxide in aging and neurodegeneration: Switching signaling to degeneration. Free Radic Biol Med 2021; 162:500-513. [PMID: 33186742 DOI: 10.1016/j.freeradbiomed.2020.11.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/02/2020] [Accepted: 11/05/2020] [Indexed: 12/22/2022]
Abstract
The small and diffusible free radical nitric oxide (•NO) has fascinated biological and medical scientists since it was promoted from atmospheric air pollutant to biological ubiquitous signaling molecule. Its unique physical chemical properties expand beyond its radical nature to include fast diffusion in aqueous and lipid environments and selective reactivity in a biological setting determined by bioavailability and reaction rate constants with biomolecules. In the brain, •NO is recognized as a key player in numerous physiological processes ranging from neurotransmission/neuromodulation to neurovascular coupling and immune response. Furthermore, changes in its bioactivity are central to the molecular pathways associated with brain aging and neurodegeneration. The understanding of •NO bioactivity in the brain, however, requires the knowledge of its concentration dynamics with high spatial and temporal resolution upon stimulation of its synthesis. Here we revise our current understanding of the role of neuronal-derived •NO in brain physiology, aging and degeneration, focused on changes in the extracellular concentration dynamics of this free radical and the regulation of bioenergetic metabolism and neurovascular coupling.
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Affiliation(s)
- A Ledo
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal.
| | - C F Lourenço
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - E Cadenas
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, 90089, CA, USA
| | - R M Barbosa
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
| | - J Laranjinha
- Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, 3004-504, Coimbra, Portugal; University of Coimbra, Faculty of Pharmacy, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal
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47
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Updating NO •/HNO interconversion under physiological conditions: A biological implication overview. J Inorg Biochem 2020; 216:111333. [PMID: 33385637 DOI: 10.1016/j.jinorgbio.2020.111333] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 11/13/2020] [Accepted: 12/05/2020] [Indexed: 12/12/2022]
Abstract
Azanone (HNO/NO-), also called nitroxyl, is a highly reactive compound whose biological role is still a matter of debate. A key issue that remains to be clarified regarding HNO and its biological activity is that of its endogenous formation. Given the overlap of the molecular targets and reactivity of nitric oxide (NO•) and HNO, its chemical biology was perceived to be similar to that of NO• as a biological signaling agent. However, despite their closely related reactivity, NO• and HNO's biochemical pathways are quite different. Moreover, the reduction of nitric oxide to azanone is possible but necessarily coupled to other reactions, which drive the reaction forward, overcoming the unfavorable thermodynamic barrier. The mechanism of this NO•/HNO interplay and its downstream effects in different contexts were studied recently, showing that more than fifteen moderate reducing agents react with NO• producing HNO. Particularly, it is known that the reaction between nitric oxide and hydrogen sulfide (H2S) produces HNO. However, this rate constant was not reported yet. In this work, firstly the NO•/H2S effective rate constant was measured as a function of the pH. Then, the implications of these chemical (non-enzymatic), biologically compatible, routes to endogenous HNO formation was discussed. There is no doubt that HNO could be (is?) a new endogenously produced messenger that mediates specific physiological responses, many of which were attributed yet to direct NO• effects.
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48
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Palmieri EM, McGinity C, Wink DA, McVicar DW. Nitric Oxide in Macrophage Immunometabolism: Hiding in Plain Sight. Metabolites 2020; 10:metabo10110429. [PMID: 33114647 PMCID: PMC7693038 DOI: 10.3390/metabo10110429] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023] Open
Abstract
Nitric Oxide (NO) is a soluble endogenous gas with various biological functions like signaling, and working as an effector molecule or metabolic regulator. In response to inflammatory signals, immune myeloid cells, like macrophages, increase production of cytokines and NO, which is important for pathogen killing. Under these proinflammatory circumstances, called “M1”, macrophages undergo a series of metabolic changes including rewiring of their tricarboxylic acid (TCA) cycle. Here, we review findings indicating that NO, through its interaction with heme and non-heme metal containing proteins, together with components of the electron transport chain, functions not only as a regulator of cell respiration, but also a modulator of intracellular cell metabolism. Moreover, diverse effects of NO and NO-derived reactive nitrogen species (RNS) involve precise interactions with different targets depending on concentration, temporal, and spatial restrictions. Although the role of NO in macrophage reprogramming has been in evidence for some time, current models have largely minimized its importance. It has, therefore, been hiding in plain sight. A review of the chemical properties of NO, past biochemical studies, and recent publications, necessitates that mechanisms of macrophage TCA reprogramming during stimulation must be re-imagined and re-interpreted as mechanistic results of NO exposure. The revised model of metabolic rewiring we describe here incorporates many early findings regarding NO biochemistry and brings NO out of hiding and to the forefront of macrophages immunometabolism.
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49
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The solution chemistry of nitric oxide and other reactive nitrogen species. Nitric Oxide 2020; 103:31-46. [DOI: 10.1016/j.niox.2020.07.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 07/14/2020] [Accepted: 07/16/2020] [Indexed: 12/17/2022]
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50
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Louka S, Barry SM, Heyes DJ, Mubarak MQE, Ali HS, Alkhalaf LM, Munro AW, Scrutton NS, Challis GL, de Visser SP. Catalytic Mechanism of Aromatic Nitration by Cytochrome P450 TxtE: Involvement of a Ferric-Peroxynitrite Intermediate. J Am Chem Soc 2020; 142:15764-15779. [PMID: 32811149 PMCID: PMC7586343 DOI: 10.1021/jacs.0c05070] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
![]()
The
cytochromes P450 are heme-dependent enzymes that catalyze many
vital reaction processes in the human body related to biodegradation
and biosynthesis. They typically act as mono-oxygenases; however,
the recently discovered P450 subfamily TxtE utilizes O2 and NO to nitrate aromatic substrates such as L-tryptophan.
A direct and selective aromatic nitration reaction may be useful in
biotechnology for the synthesis of drugs or small molecules. Details
of the catalytic mechanism are unknown, and it has been suggested
that the reaction should proceed through either an iron(III)-superoxo
or an iron(II)-nitrosyl intermediate. To resolve this controversy,
we used stopped-flow kinetics to provide evidence for a catalytic
cycle where dioxygen binds prior to NO to generate an active iron(III)-peroxynitrite
species that is able to nitrate l-Trp efficiently. We show
that the rate of binding of O2 is faster than that of NO
and also leads to l-Trp nitration, while little evidence
of product formation is observed from the iron(II)-nitrosyl complex.
To support the experimental studies, we performed density functional
theory studies on large active site cluster models. The studies suggest
a mechanism involving an iron(III)-peroxynitrite that splits homolytically
to form an iron(IV)-oxo heme (Compound II) and a free NO2 radical via a small free energy of activation. The latter activates
the substrate on the aromatic ring, while compound II picks up the ipso-hydrogen to form the product. The calculations give
small reaction barriers for most steps in the catalytic cycle and,
therefore, predict fast product formation from the iron(III)-peroxynitrite
complex. These findings provide the first detailed insight into the
mechanism of nitration by a member of the TxtE subfamily and highlight
how the enzyme facilitates this novel reaction chemistry.
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Affiliation(s)
- Savvas Louka
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemical Engineering and Analytical Science, The University of Manchester, Oxford Road, Mancheste M13 9PL, United Kingdom
| | - Sarah M Barry
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Derren J Heyes
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - M Qadri E Mubarak
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemical Engineering and Analytical Science, The University of Manchester, Oxford Road, Mancheste M13 9PL, United Kingdom
| | - Hafiz Saqib Ali
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Lona M Alkhalaf
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Andrew W Munro
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Nigel S Scrutton
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Gregory L Challis
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom.,Department of Biochemistry and Molecular Biology, Monash University, Clayton VIC 3800, Australia.,ARC Centre for Excellence for Innovations in Peptide and Protein Science, Monash University, Clayton, VIC 3800, Australia
| | - Sam P de Visser
- The Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom.,Department of Chemical Engineering and Analytical Science, The University of Manchester, Oxford Road, Mancheste M13 9PL, United Kingdom
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