1
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Hu X, Li Y, Cao Y, Shi F, Shang L. The role of nitric oxide synthase/ nitric oxide in infection-related cancers: Beyond antimicrobial activity. Biochim Biophys Acta Rev Cancer 2024; 1879:189156. [PMID: 39032540 DOI: 10.1016/j.bbcan.2024.189156] [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: 12/01/2023] [Revised: 07/11/2024] [Accepted: 07/14/2024] [Indexed: 07/23/2024]
Abstract
As a free radical and endogenous effector molecule, mammalian endogenous nitric oxide (NO) is mainly derived from nitric oxide synthase (NOS) via L-arginine. NO participates in normal physiological reactions and provides immune responses to prevent the invasion of foreign bacteria. However, NO also has complex and contradictory biological effects. Abnormal NO signaling is involved in the progression of many diseases, such as cancer. In the past decades, cancer research has been closely linked with NOS/ NO, and many tumors with poor prognosis are associated with high expression of NOS. In this review, we give a overview of the biological effects of NOS/ NO. Then we focus on the oncogenic role of iNOS/ NO in HPV, HBV, EBV and H. pylori related tumors. In fact, there is growing evidence that iNOS could be used as a potential therapeutic target in cancer therapy. We emphasize that the pro-tumor effect of NOS/ NO is greater than the anti-tumor effect.
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Affiliation(s)
- Xudong Hu
- Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education, XiangYa Hospital, Central South University, Changsha 410078, China; Department of Pathology, National Clinical Research Center for Geriatric Disorders/ XiangYa Hospital, Central South University, Changsha 410078, China; Key Laboratory of Carcinogenesis of National Health Commission, Cancer Research Institute and School of Basic Medical Science, Xiangya School of Medicine, Central South University, Changsha 410078, China
| | - Yueshuo Li
- Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education, XiangYa Hospital, Central South University, Changsha 410078, China; Key Laboratory of Carcinogenesis of National Health Commission, Cancer Research Institute and School of Basic Medical Science, Xiangya School of Medicine, Central South University, Changsha 410078, China
| | - Ya Cao
- Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education, XiangYa Hospital, Central South University, Changsha 410078, China; Key Laboratory of Carcinogenesis of National Health Commission, Cancer Research Institute and School of Basic Medical Science, Xiangya School of Medicine, Central South University, Changsha 410078, China
| | - Feng Shi
- Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education, XiangYa Hospital, Central South University, Changsha 410078, China; Department of Pathology, National Clinical Research Center for Geriatric Disorders/ XiangYa Hospital, Central South University, Changsha 410078, China; Key Laboratory of Carcinogenesis of National Health Commission, Cancer Research Institute and School of Basic Medical Science, Xiangya School of Medicine, Central South University, Changsha 410078, China
| | - Li Shang
- Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education, XiangYa Hospital, Central South University, Changsha 410078, China; Department of Pathology, National Clinical Research Center for Geriatric Disorders/ XiangYa Hospital, Central South University, Changsha 410078, China.
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2
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Möller MN, Vitturi DA. The chemical biology of dinitrogen trioxide. REDOX BIOCHEMISTRY AND CHEMISTRY 2024; 8:100026. [PMID: 38957295 PMCID: PMC11218869 DOI: 10.1016/j.rbc.2024.100026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Dinitrogen trioxide (N 2 O 3 ) mediates low-molecular weight and protein S- and N-nitrosation, with recent reports suggesting a role in the formation of nitrating intermediates as well as in nitrite-dependent hypoxic vasodilatation. However, the reactivity ofN 2 O 3 in biological systems results in an extremely short half-life that renders this molecule essentially undetectable by currently available technologies. As a result, evidence for in vivoN 2 O 3 formation derives from the detection of nitrosated products as well as from in vitro kinetic determinations, isotopic labeling studies, and spectroscopic analyses. This review will discuss mechanisms ofN 2 O 3 formation, reactivity and decomposition, as well as address the role of sub-cellular localization as a key determinant of its actions. Finally, evidence will be discussed supporting different roles forN 2 O 3 as a biologically relevant signaling molecule.
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Affiliation(s)
- Matías N. Möller
- Laboratorio Fisicoquímica Biológica, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Darío A. Vitturi
- Department of Pathology. University of Alabama at Birmingham, Birmingham, AL, USA
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3
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Williams MD, Ragireddy V, Dent MR, Tejero J. Engineering neuroglobin nitrite reductase activity based on myoglobin models. Biochem Biophys Rep 2023; 36:101560. [PMID: 37929291 PMCID: PMC10623171 DOI: 10.1016/j.bbrep.2023.101560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 10/13/2023] [Indexed: 11/07/2023] Open
Abstract
Neuroglobin is a hemoprotein expressed in several nervous system cell lineages with yet unknown physiological functions. Neuroglobin presents a very similar structure to that of the related globins hemoglobin and myoglobin, but shows an hexacoordinate heme as compared to the pentacoordinated heme of myoglobin and hemoglobin. While several reactions of neuroglobin have been characterized in vitro, the relative importance of most of those reactions in vivo is yet undefined. Neuroglobin, like other heme proteins, can reduce nitrite to nitric oxide, providing a possible route to generate nitric oxide in vivo in low oxygen conditions. The reaction kinetics are highly dependent on the nature of the distal residue, and replacement of the distal histidine His64(E7) can increase the reaction rate constants by several orders of magnitude. However, mutation of other distal pocket positions such as Phe28(B10) or Val68(E11) has more limited impact on the rates. Computational analysis using myoglobin as template, guided by the structure of dedicated nitrite reductases like cytochrome cd1 nitrite reductase, has pointed out that combined mutations of the residues B10 and CD1 could increase the nitrite reductase activity of myoglobin, by mimicking the environment of the distal heme pocket in cytochrome cd1 nitrite reductase. As neuroglobin shows high sequence and structural homology with myoglobin, we hypothesized that such mutations (F28H and F42Y in neuroglobin) could also modify the nitrite reductase activity of neuroglobin. Here we study the effect of these mutations. Unfortunately, we do not observe in any case an increase in the nitrite reduction rates. Our results provide some further indications of nitrite reductase regulation in neuroglobin and highlight the minor but critical differences between the structure of penta- and hexacoordinate globins.
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Affiliation(s)
- Mark D. Williams
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Venkata Ragireddy
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Matthew R. Dent
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Jesús Tejero
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA
- Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, 15260, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA
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4
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Dent MR, DeMartino AW. Nitric oxide and thiols: Chemical biology, signalling paradigms and vascular therapeutic potential. Br J Pharmacol 2023:10.1111/bph.16274. [PMID: 37908126 PMCID: PMC11058123 DOI: 10.1111/bph.16274] [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: 06/13/2023] [Revised: 09/18/2023] [Accepted: 10/09/2023] [Indexed: 11/02/2023] Open
Abstract
Nitric oxide (• NO) interactions with biological thiols play crucial, but incompletely determined, roles in vascular signalling and other biological processes. Here, we highlight two recently proposed signalling paradigms: (1) the formation of a vasodilating labile nitrosyl ferrous haem (NO-ferrohaem) facilitated by thiols via thiyl radical generation and (2) polysulfides/persulfides and their interaction with • NO. We also describe the specific (bio)chemical routes in which • NO and thiols react to form S-nitrosothiols, a broad class of small molecules, and protein post-translational modifications that can influence protein function through catalytic site or allosteric structural changes. S-Nitrosothiol formation depends upon cellular conditions, but critically, an appropriate oxidant for either the thiol (yielding a thiyl radical) or • NO (yielding a nitrosonium [NO+ ]-donating species) is required. We examine the roles of these collective • NO/thiol species in vascular signalling and their cardiovascular therapeutic potential.
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Affiliation(s)
- Matthew R. Dent
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Anthony W. DeMartino
- Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
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5
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DeMartino AW, Poudel L, Dent MR, Chen X, Xu Q, Gladwin BS, Tejero J, Basu S, Alipour E, Jiang Y, Rose JJ, Gladwin MT, Kim-Shapiro DB. Thiol-catalyzed formation of NO-ferroheme regulates intravascular NO signaling. Nat Chem Biol 2023; 19:1256-1266. [PMID: 37710075 PMCID: PMC10897909 DOI: 10.1038/s41589-023-01413-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 07/27/2023] [Indexed: 09/16/2023]
Abstract
Nitric oxide (NO) is an endogenously produced signaling molecule that regulates blood flow and platelet activation. However, intracellular and intravascular diffusion of NO are limited by scavenging reactions with several hemoproteins, raising questions as to how free NO can signal in hemoprotein-rich environments. We explore the hypothesis that NO can be stabilized as a labile ferrous heme-nitrosyl complex (Fe2+-NO, NO-ferroheme). We observe a reaction between NO, labile ferric heme (Fe3+) and reduced thiols to yield NO-ferroheme and a thiyl radical. This thiol-catalyzed reductive nitrosylation occurs when heme is solubilized in lipophilic environments such as red blood cell membranes or bound to serum albumin. The resulting NO-ferroheme resists oxidative inactivation, is soluble in cell membranes and is transported intravascularly by albumin to promote potent vasodilation. We therefore provide an alternative route for NO delivery from erythrocytes and blood via transfer of NO-ferroheme and activation of apo-soluble guanylyl cyclase.
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Affiliation(s)
- Anthony W DeMartino
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Laxman Poudel
- Department of Physics, Wake Forest University, Winston-Salem, NC, USA
| | - Matthew R Dent
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Xiukai Chen
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Qinzi Xu
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Brendan S Gladwin
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jesús Tejero
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, USA
- Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Swati Basu
- Department of Physics, Wake Forest University, Winston-Salem, NC, USA
- Translational Science Center, Wake Forest University, Winston-Salem, NC, USA
| | - Elmira Alipour
- Department of Physics, Wake Forest University, Winston-Salem, NC, USA
| | - Yiyang Jiang
- Department of Physics, Wake Forest University, Winston-Salem, NC, USA
| | - Jason J Rose
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Mark T Gladwin
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Daniel B Kim-Shapiro
- Department of Physics, Wake Forest University, Winston-Salem, NC, USA.
- Translational Science Center, Wake Forest University, Winston-Salem, NC, USA.
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6
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Phua TJ. Understanding human aging and the fundamental cell signaling link in age-related diseases: the middle-aging hypovascularity hypoxia hypothesis. FRONTIERS IN AGING 2023; 4:1196648. [PMID: 37384143 PMCID: PMC10293850 DOI: 10.3389/fragi.2023.1196648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/23/2023] [Indexed: 06/30/2023]
Abstract
Aging-related hypoxia, oxidative stress, and inflammation pathophysiology are closely associated with human age-related carcinogenesis and chronic diseases. However, the connection between hypoxia and hormonal cell signaling pathways is unclear, but such human age-related comorbid diseases do coincide with the middle-aging period of declining sex hormonal signaling. This scoping review evaluates the relevant interdisciplinary evidence to assess the systems biology of function, regulation, and homeostasis in order to discern and decipher the etiology of the connection between hypoxia and hormonal signaling in human age-related comorbid diseases. The hypothesis charts the accumulating evidence to support the development of a hypoxic milieu and oxidative stress-inflammation pathophysiology in middle-aged individuals, as well as the induction of amyloidosis, autophagy, and epithelial-to-mesenchymal transition in aging-related degeneration. Taken together, this new approach and strategy can provide the clarity of concepts and patterns to determine the causes of declining vascularity hemodynamics (blood flow) and physiological oxygenation perfusion (oxygen bioavailability) in relation to oxygen homeostasis and vascularity that cause hypoxia (hypovascularity hypoxia). The middle-aging hypovascularity hypoxia hypothesis could provide the mechanistic interface connecting the endocrine, nitric oxide, and oxygen homeostasis signaling that is closely linked to the progressive conditions of degenerative hypertrophy, atrophy, fibrosis, and neoplasm. An in-depth understanding of these intrinsic biological processes of the developing middle-aged hypoxia could provide potential new strategies for time-dependent therapies in maintaining healthspan for healthy lifestyle aging, medical cost savings, and health system sustainability.
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Affiliation(s)
- Teow J. Phua
- Molecular Medicine, NSW Health Pathology, John Hunter Hospital, Newcastle, NSW, Australia
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7
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Chen H, Lee G, Chien S, Lee C. Light‐induced
NO
release from iron‐nitrosyl‐thiolato complex: The role of noncovalent thiol/thioether. J CHIN CHEM SOC-TAIP 2023. [DOI: 10.1002/jccs.202300002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Affiliation(s)
- Huai‐Cheng Chen
- Department of Applied Science National Taitung University Taitung Taiwan
| | - Gene‐Hsiang Lee
- Instrumentation Center National Taiwan University Taipei Taiwan
| | - Su‐Ying Chien
- Instrumentation Center National Taiwan University Taipei Taiwan
| | - Chien‐Ming Lee
- Department of Applied Science National Taitung University Taitung Taiwan
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8
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Abstract
Resistance arteries and arterioles evolved as specialized blood vessels serving two important functions: (a) regulating peripheral vascular resistance and blood pressure and (b) matching oxygen and nutrient delivery to metabolic demands of organs. These functions require control of vessel lumen cross-sectional area (vascular tone) via coordinated vascular cell responses governed by precise spatial-temporal communication between intracellular signaling pathways. Herein, we provide a contemporary overview of the significant roles that redox switches play in calcium signaling for orchestrated endothelial, smooth muscle, and red blood cell control of arterial vascular tone. Three interrelated themes are the focus: (a) smooth muscle to endothelial communication for vasoconstriction, (b) endothelial to smooth muscle cell cross talk for vasodilation, and (c) oxygen and red blood cell interregulation of vascular tone and blood flow. We intend for this thematic framework to highlight gaps in our current knowledge and potentially spark interest for cross-disciplinary studies moving forward.
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Affiliation(s)
- Máté Katona
- Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA;
| | - Mark T Gladwin
- Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA;
- Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Current affiliation: University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Adam C Straub
- Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA;
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Center for Microvascular Research, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
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9
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DeMartino AW, Poudel L, Dent MR, Chen X, Xu Q, Gladwin BS, Tejero J, Basu S, Alipour E, Jiang Y, Rose JJ, Gladwin MT, Kim-Shapiro DB. Thiol catalyzed formation of NO-ferroheme regulates canonical intravascular NO signaling. RESEARCH SQUARE 2023:rs.3.rs-2402224. [PMID: 36711928 PMCID: PMC9882697 DOI: 10.21203/rs.3.rs-2402224/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Nitric oxide (NO) is an endogenously produced physiological signaling molecule that regulates blood flow and platelet activation. However, both the intracellular and intravascular diffusion of NO is severely limited by scavenging reactions with hemoglobin, myoglobin, and other hemoproteins, raising unanswered questions as to how free NO can signal in hemoprotein-rich environments, like blood and cardiomyocytes. We explored the hypothesis that NO could be stabilized as a ferrous heme-nitrosyl complex (Fe 2+ -NO, NO-ferroheme) either in solution within membranes or bound to albumin. Unexpectedly, we observed a rapid reaction of NO with free ferric heme (Fe 3+ ) and a reduced thiol under physiological conditions to yield NO-ferroheme and a thiyl radical. This thiol-catalyzed reductive nitrosylation reaction occurs readily when the hemin is solubilized in lipophilic environments, such as red blood cell membranes, or bound to serum albumin. NO-ferroheme albumin is stable, even in the presence of excess oxyhemoglobin, and potently inhibits platelet activation. NO-ferroheme-albumin administered intravenously to mice dose-dependently vasodilates at low- to mid-nanomolar concentrations. In conclusion, we report the fastest rate of reductive nitrosylation observed to date to generate a NO-ferroheme molecule that resists oxidative inactivation, is soluble in cell membranes, and is transported intravascularly by albumin to promote potent vasodilation.
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Affiliation(s)
- Anthony W. DeMartino
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Laxman Poudel
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Matthew R. Dent
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Xiukai Chen
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Qinzi Xu
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Brendan S. Gladwin
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Jesús Tejero
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15260, USA
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
| | - Swati Basu
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109, USA
- Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Elmira Alipour
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Yiyang Jiang
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109, USA
| | - Jason J. Rose
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Mark T. Gladwin
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Daniel B. Kim-Shapiro
- Department of Physics, Wake Forest University, Winston-Salem, NC 27109, USA
- Translational Science Center, Wake Forest University, Winston-Salem, NC 27109, USA
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10
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Zheng Y, Deng W, Liu D, Li Y, Peng K, Lorimer GH, Wang J. Redox and spectroscopic properties of mammalian nitrite reductase-like hemoproteins. J Inorg Biochem 2022; 237:111982. [PMID: 36116154 DOI: 10.1016/j.jinorgbio.2022.111982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 08/24/2022] [Accepted: 08/25/2022] [Indexed: 01/18/2023]
Abstract
Besides the canonical pathway of L-arginine oxidation to produce nitric oxide (NO) in vivo, the nitrate-nitrite-NO pathway has been widely accepted as another source for circulating NO in mammals, especially under hypoxia. To date, there have been at least ten heme-containing nitrite reductase-like proteins discovered in mammals with activities mainly identified in vitro, including four globins (hemoglobin, myoglobin, neuroglobin (Ngb), cytoglobin (Cygb)), three mitochondrial respiratory chain enzymes (cytochrome c oxidase, cytochrome bc1, cytochrome c), and three other heme proteins (endothelial nitric oxide synthase, cytochrome P450 and indoleamine 2,3-dioxygenase 1 (IDO1)). The pathophysiological functions of these proteins are closely related to their redox and spectroscopic properties, as well as their protein structure, although the physiological roles of Ngb, Cygb and IDO1 remain unclear. So far, comprehensive summaries of the redox and spectroscopic properties of these nitrite reductase-like hemoproteins are still lacking. In this review, we have mainly summarized the published data on the application of ultraviolet-visible, electron paramagnetic resonance, circular dichroism and resonance Raman spectroscopies, and X-ray crystallography in studying nitrite reductase-like activity of these 10 proteins, in order to sort out the relationships among enzymatic function, structure and spectroscopic characterization, which might help in understanding their roles in redox biology and medicine.
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Affiliation(s)
- Yunlong Zheng
- Hubei University of Technology Autism & Depression Diagnosis and Intervention Institute, Hubei University of Technology, Wuhan, Hubei, China; International Joint Research Center for General Health, Precision Medicine & Nutrition, Hubei University of Technology, Wuhan, Hubei, China; Department of Biomedicine and Biopharmacology, Hubei University of Technology, Wuhan, Hubei, China
| | - Wenwen Deng
- Hubei University of Technology Autism & Depression Diagnosis and Intervention Institute, Hubei University of Technology, Wuhan, Hubei, China; International Joint Research Center for General Health, Precision Medicine & Nutrition, Hubei University of Technology, Wuhan, Hubei, China; Department of Biomedicine and Biopharmacology, Hubei University of Technology, Wuhan, Hubei, China
| | - Di Liu
- Hubei University of Technology Autism & Depression Diagnosis and Intervention Institute, Hubei University of Technology, Wuhan, Hubei, China; International Joint Research Center for General Health, Precision Medicine & Nutrition, Hubei University of Technology, Wuhan, Hubei, China; Department of Biomedicine and Biopharmacology, Hubei University of Technology, Wuhan, Hubei, China
| | - Youheng Li
- Hubei University of Technology Autism & Depression Diagnosis and Intervention Institute, Hubei University of Technology, Wuhan, Hubei, China; International Joint Research Center for General Health, Precision Medicine & Nutrition, Hubei University of Technology, Wuhan, Hubei, China; Department of Biomedicine and Biopharmacology, Hubei University of Technology, Wuhan, Hubei, China
| | - Kang Peng
- Hubei University of Technology Autism & Depression Diagnosis and Intervention Institute, Hubei University of Technology, Wuhan, Hubei, China; International Joint Research Center for General Health, Precision Medicine & Nutrition, Hubei University of Technology, Wuhan, Hubei, China; Department of Biomedicine and Biopharmacology, Hubei University of Technology, Wuhan, Hubei, China
| | | | - Jun Wang
- Hubei University of Technology Autism & Depression Diagnosis and Intervention Institute, Hubei University of Technology, Wuhan, Hubei, China; International Joint Research Center for General Health, Precision Medicine & Nutrition, Hubei University of Technology, Wuhan, Hubei, China; Department of Biomedicine and Biopharmacology, Hubei University of Technology, Wuhan, Hubei, China.
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11
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The Role of NO/sGC/cGMP/PKG Signaling Pathway in Regulation of Platelet Function. Cells 2022; 11:cells11223704. [PMID: 36429131 PMCID: PMC9688146 DOI: 10.3390/cells11223704] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022] Open
Abstract
Circulating blood platelets are controlled by stimulatory and inhibitory factors, and a tightly regulated equilibrium between these two opposing processes is essential for normal platelet and vascular function. NO/cGMP/ Protein Kinase G (PKG) pathways play a highly significant role in platelet inhibition, which is supported by a large body of studies and data. This review focused on inconsistent and controversial data of NO/sGC/cGMP/PKG signaling in platelets including sources of NO that activate sGC in platelets, the role of sGC/PKG in platelet inhibition/activation, and the complexity of the regulation of platelet inhibitory mechanisms by cGMP/PKG pathways. In conclusion, we suggest that the recently developed quantitative phosphoproteomic method will be a powerful tool for the analysis of PKG-mediated effects. Analysis of phosphoproteins in PKG-activated platelets will reveal many new PKG substrates. A future detailed analysis of these substrates and their involvement in different platelet inhibitory pathways could be a basis for the development of new antiplatelet drugs that may target only specific aspects of platelet functions.
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12
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Kaliszuk SJ, Morgan NI, Ayers TN, Sparacino Watkins CE, DeMartino AW, Bocian K, Ragireddy V, Tong Q, Tejero J. Regulation of nitrite reductase and lipid binding properties of cytoglobin by surface and distal histidine mutations. Nitric Oxide 2022; 125-126:12-22. [PMID: 35667547 PMCID: PMC9283305 DOI: 10.1016/j.niox.2022.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/21/2022] [Accepted: 06/01/2022] [Indexed: 12/30/2022]
Abstract
Cytoglobin is a hemoprotein widely expressed in fibroblasts and related cell lineages with yet undefined physiological function. Cytoglobin, as other heme proteins, can reduce nitrite to nitric oxide (NO) providing a route to generate NO in vivo in low oxygen conditions. In addition, cytoglobin can also bind lipids such as oleic acid and cardiolipin with high affinity. These two processes are potentially relevant to cytoglobin function. Little is known about how specific amino acids contribute to nitrite reduction and lipid binding. Here we investigate the role of the distal histidine His81 (E7) and several surface residues on the regulation of nitrite reduction and lipid binding. We observe that the replacement of His81 (E7) greatly increases heme reactivity towards nitrite, with nitrite reduction rate constants of up to 1100 M-1s-1 for the His81Ala mutant. His81 (E7) mutation causes a small decrease in lipid binding affinity, however experiments on the presence of imidazole indicate that His81 (E7) does not compete with the lipid for the binding site. Mutations of the surface residues Arg84 and Lys116 largely impair lipid binding. Our results suggest that dissociation of His81 (E7) from the heme mediates the formation of a hydrophobic cavity in the proximal heme side that can accommodate the lipid, with important contributions of the hydrophobic patch around residues Thr91, Val105, and Leu108, whereas the positive charges from Arg84 and Lys116 stabilize the carboxyl group of the fatty acid. Gain and loss-of-function mutations described here can serve as tools to study in vivo the physiological role of these putative cytoglobin functions.
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Affiliation(s)
- Stefan J Kaliszuk
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Natasha I Morgan
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Taylor N Ayers
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Courtney E Sparacino Watkins
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA; Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Anthony W DeMartino
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Kaitlin Bocian
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Venkata Ragireddy
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Qin Tong
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA
| | - Jesús Tejero
- Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA, 15261, USA; Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, 15261, USA; Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, 15260, USA; Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
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13
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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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14
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Basu S, Ricart K, Gladwin MT, Patel RP, Kim-Shapiro DB. Tri-iodide and vanadium chloride based chemiluminescent methods for quantification of nitrogen oxides. Nitric Oxide 2022; 121:11-19. [PMID: 35124204 PMCID: PMC8860884 DOI: 10.1016/j.niox.2022.01.006] [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: 09/20/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 10/19/2022]
Abstract
Nitric Oxide (NO) is an important signaling molecule that plays roles in controlling vascular tone, hemostasis, host defense, and many other physiological functions. Low NO bioavailability contributes to pathology and NO administration has therapeutic potential in a variety of diseases. Thus, accurate measurements of NO bioavailability and reactivity are critical. Due to its short lifetime in vivo and many in vitro conditions, NO bioavailability and reactivity are often best determined by measuring NO congeners and metabolites that are more stable. Chemiluminescence-based detection of NO following chemical reduction of these compounds using the tri-iodide and vanadium chloride methods have been widely used in a variety of clinical and laboratory studies. In this review, we describe these methods used to detect nitrite, nitrate, nitrosothiols and other species and discuss limitations and proper controls.
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Affiliation(s)
- Swati Basu
- Translational Science Center and Department of Physics, Wake Forest University, USA
| | - Karina Ricart
- Department of Pathology and Center for Free Radical Biology, University of Alabama at Birmingham, USA
| | - Mark T Gladwin
- University of Pittsburgh School of Medicine, Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine and Pittsburgh Heart, Lung, Blood and Vascular Medicine Institute, Pittsburgh, PA, USA
| | - Rakesh P Patel
- Department of Pathology and Center for Free Radical Biology, University of Alabama at Birmingham, USA.
| | - Daniel B Kim-Shapiro
- Translational Science Center and Department of Physics, Wake Forest University, USA.
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15
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Chen J, Xie P, Huang Y, Gao H. Complex Interplay of Heme-Copper Oxidases with Nitrite and Nitric Oxide. Int J Mol Sci 2022; 23:979. [PMID: 35055165 PMCID: PMC8780969 DOI: 10.3390/ijms23020979] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/13/2022] [Accepted: 01/15/2022] [Indexed: 12/19/2022] Open
Abstract
Nitrite and nitric oxide (NO), two active and critical nitrogen oxides linking nitrate to dinitrogen gas in the broad nitrogen biogeochemical cycle, are capable of interacting with redox-sensitive proteins. The interactions of both with heme-copper oxidases (HCOs) serve as the foundation not only for the enzymatic interconversion of nitrogen oxides but also for the inhibitory activity. From extensive studies, we now know that NO interacts with HCOs in a rapid and reversible manner, either competing with oxygen or not. During interconversion, a partially reduced heme/copper center reduces the nitrite ion, producing NO with the heme serving as the reductant and the cupric ion providing a Lewis acid interaction with nitrite. The interaction may lead to the formation of either a relatively stable nitrosyl-derivative of the enzyme reduced or a more labile nitrite-derivative of the enzyme oxidized through two different pathways, resulting in enzyme inhibition. Although nitrite and NO show similar biochemical properties, a growing body of evidence suggests that they are largely treated as distinct molecules by bacterial cells. NO seemingly interacts with all hemoproteins indiscriminately, whereas nitrite shows high specificity to HCOs. Moreover, as biologically active molecules and signal molecules, nitrite and NO directly affect the activity of different enzymes and are perceived by completely different sensing systems, respectively, through which they are linked to different biological processes. Further attempts to reconcile this apparent contradiction could open up possible avenues for the application of these nitrogen oxides in a variety of fields, the pharmaceutical industry in particular.
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Affiliation(s)
| | | | | | - Haichun Gao
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; (J.C.); (P.X.); (Y.H.)
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