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Dugbartey GJ. Nitric oxide in kidney transplantation. Biomed Pharmacother 2023; 167:115530. [PMID: 37722191 DOI: 10.1016/j.biopha.2023.115530] [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: 06/12/2023] [Revised: 09/05/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023] Open
Abstract
Kidney transplantation is the treatment of choice for patients with kidney failure. Compared to dialysis therapy, it provides better quality of life and confers significant survival advantage at a relatively lower cost. However, the long-term success of this life-saving intervention is severely hampered by an inexorable clinical problem referred to as ischemia-reperfusion injury (IRI), and increases the incidence of post-transplant complications including loss of renal graft function and death of transplant recipients. Burgeoning evidence shows that nitric oxide (NO), a poisonous gas at high concentrations, and with a historic negative public image as an environmental pollutant, has emerged as a potential candidate that holds clinical promise in mitigating IRI and preventing acute and chronic graft rejection when it is added to kidney preservation solutions at low concentrations or when administered to the kidney donor prior to kidney procurement and to the recipient or to the reperfusion circuit at the start and during reperfusion after renal graft preservation. Interestingly, dysregulated or abnormal endogenous production and metabolism of NO is associated with IRI in kidney transplantation. From experimental and clinical perspectives, this review presents endogenous enzymatic production of NO as well as its exogenous sources, and then discusses protective effects of constitutive nitric oxide synthase (NOS)-derived NO against IRI in kidney transplantation via several signaling pathways. The review also highlights a few isolated studies of renal graft protection by NO produced by inducible NOS.
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Affiliation(s)
- George J Dugbartey
- Department of Pharmacology and Toxicology, School of Pharmacy, College of Health Sciences, University of Ghana, Legon, Accra, Ghana; Accra College of Medicine, Magnolia St, JVX5+FX9, East Legon, Accra, Ghana.
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Kandhwal M, Behl T, Kumar A, Arora S. Understanding the Potential Role and Delivery Approaches of Nitric Oxide in Chronic Wound Healing Management. Curr Pharm Des 2021; 27:1999-2014. [PMID: 33106138 DOI: 10.2174/1381612826666201026152209] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 09/22/2020] [Indexed: 11/22/2022]
Abstract
Nitric oxide (NO) is a promising pharmaceutical component that has vasodilator, anti-bacterial, and wound healing activities. Chronic ulcers are non-healing disorders that are generally associated with distortion of lower limbs. Among the severe consequence derivatives of these diseases are the problems of chronic wound progression. NO, which is categorized as the smallest gaseous neurotransmitter, has beneficial effects in different phases of chronic inflammation. The defensive mechanism of NO is found useful in several severe conditions, such as gestational healing, gastrointestinal healing, and diabetic healing. The current review presents an updated collection of literature about the role of NO in chronic ulcers due to the prevalence of diabetes, DPN, and diabetic foot ulcers, and because of the lack of available effective treatments to directly address the pathology contributing to these conditions, novel treatments are being sought. This review also collects information about deficiency of NO synthase in diabetic patients, leading to a lack of vascularization of the peripheral nerves, which causes diabetic neuropathy, and this could be treated with vasodilators such as nitric oxide. Apart from the pharmacological mechanism of NO, the article also reviewed and analyzed to elucidate the potential of transdermal delivery of NO for the treatment of chronic ulcers.
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Affiliation(s)
- Mimansa Kandhwal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sandeep Arora
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Tenopoulou M, Doulias PT. Endothelial nitric oxide synthase-derived nitric oxide in the regulation of metabolism. F1000Res 2020; 9. [PMID: 33042519 PMCID: PMC7531049 DOI: 10.12688/f1000research.19998.1] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/22/2020] [Indexed: 12/13/2022] Open
Abstract
Nitric oxide is an endogenously formed gas that acts as a signaling molecule in the human body. The signaling functions of nitric oxide are accomplished through two primer mechanisms: cGMP-mediated phosphorylation and the formation of S-nitrosocysteine on proteins. This review presents and discusses previous and more recent findings documenting that nitric oxide signaling regulates metabolic activity. These discussions primarily focus on endothelial nitric oxide synthase (eNOS) as the source of nitric oxide.
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Affiliation(s)
- Margarita Tenopoulou
- Children's Hospital of Philadelphia Research Institute, 3517 Civic Center Boulevard, Philadelphia, Pennsylvania, 19104-4318, USA.,Laboratory of Biochemistry, Department of Chemistry, School of Sciences, University of Ioannina, Ioannina, 45110, Greece
| | - Paschalis-Thomas Doulias
- Children's Hospital of Philadelphia Research Institute, 3517 Civic Center Boulevard, Philadelphia, Pennsylvania, 19104-4318, USA.,Laboratory of Biochemistry, Department of Chemistry, School of Sciences, University of Ioannina, Ioannina, 45110, Greece
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Spotlight on ROS and β3-Adrenoreceptors Fighting in Cancer Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:6346529. [PMID: 31934266 PMCID: PMC6942895 DOI: 10.1155/2019/6346529] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/26/2019] [Indexed: 02/07/2023]
Abstract
The role of ROS and RNS is a long-standing debate in cancer. Increasing the concentration of ROS reaching the toxic threshold can be an effective strategy for the reduction of tumor cell viability. On the other hand, cancer cells, by maintaining intracellular ROS concentration at an intermediate level called “mild oxidative stress,” promote the activation of signaling that favors tumor progression by increasing cell viability and dangerous tumor phenotype. Many chemotherapeutic treatments induce cell death by rising intracellular ROS concentration. The persistent drug stimulation leads tumor cells to simulate a process called hormesis by which cancer cells exhibit a biphasic response to exposure to drugs used. After a first strong response to a low dose of chemotherapeutic agent, cancer cells start to decrease the response even if high doses of drugs were used. In this framework, β3-adrenoreceptors (β3-ARs) fit with an emerging antioxidant role in cancer. β3-ARs are involved in tumor proliferation, angiogenesis, metastasis, and immune tolerance. Its inhibition, by the selective β3-ARs antagonist (SR59230A), leads cancer cells to increase ROS concentration thus inducing cell death and to decrease NO levels thus inhibiting angiogenesis. In this review, we report an overview on reactive oxygen biology in cancer cells focusing on β3-ARs as new players in the antioxidant pathway.
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Restini CBA, Gonçalves L. Nitric Oxide and Related Aspects Underlying Angina. Open Cardiovasc Med J 2017; 11:33-46. [PMID: 28567132 PMCID: PMC5418930 DOI: 10.2174/1874192401711010033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 02/10/2017] [Accepted: 02/27/2017] [Indexed: 01/08/2023] Open
Abstract
Increased number of patients affected by metabolic syndrome (MS) has prompted the necessity of better understanding what is involved in such syndrome. Nevertheless, the establishment of promising therapies depends on the knowledge about the interaction of molecules within MS. In such context, Nitric Oxide (NO) emerges from a bulk of works relating its roles on aspects of MS, including cardiovascular diseases, their symptoms and comorbidities, which are thought to be triggered by similar sources. NO, nitric oxide synthase and enzymatic chains are keys for those disease and symptoms processes. NO has been separately described as part of hypertensive, ischemic and pain signaling. Although there are similar pathways likely shared for generating cardiovascular symptoms such angina, they are barely associated to NO in literature. The present review aims to clarify the patterns of NO alteration in metabolic syndrome directly concerned to cardiovascular symptoms, especially angina.
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Affiliation(s)
- Carolina Baraldi Araujo Restini
- Biotechnology Dept. (Lab: Cardiorenal Pharmacology)/Medical School, University of Ribeirao Preto (UNAERP), Ribeirão Preto-SP, Brazil
| | - Leticia Gonçalves
- Biotechnology Dept. (Lab: Cardiorenal Pharmacology)/Medical School, University of Ribeirao Preto (UNAERP), Ribeirão Preto-SP, Brazil
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Yang Y, Qi P, Yang Z, Huang N. Nitric oxide based strategies for applications of biomedical devices. BIOSURFACE AND BIOTRIBOLOGY 2015. [DOI: 10.1016/j.bsbt.2015.08.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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El-Shenawy NS. Effect of Streptomyces 23-2B metabolites on hepatic lipid peroxidation and some antioxidant parameters in Wister rats. World J Microbiol Biotechnol 2010. [DOI: 10.1007/s11274-010-0403-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Rothe F, Langnaese K, Wolf G. New aspects of the location of neuronal nitric oxide synthase in the skeletal muscle: A light and electron microscopic study. Nitric Oxide 2005; 13:21-35. [PMID: 15890548 DOI: 10.1016/j.niox.2005.04.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2004] [Revised: 02/23/2005] [Accepted: 04/04/2005] [Indexed: 10/25/2022]
Abstract
The action of nitric oxide (NO) synthesized by NO synthases (NOS) is spatially restricted. Hence, the intracellular location of NOS might play an important role for the functional interactions of NO with its target molecules. In the skeletal muscle the neuronal NOS (nNOS) is considered to be the predominant isoform expressed as a muscle specific elongated splice variant. There are only a few and highly discrepant reports of the subcellular distribution of nNOS, which prompted us to re-examine the distribution of nNOS in the skeletal muscle of rat and mouse applying immunocytochemistry and NADPH-diaphorase (NADPH-d) histochemistry. Light microscopically, the sarcolemma, areas beneath the sarcolemma, areas around the nuclei, and the cross striation were labeled by antibodies and by the NADPH-d reaction as well. Ultrastructurally, nNOS visualized immunocytochemically or by the histochemical BSPT-reaction, was associated discretely with extrajunctional portions of the sarcolemma. Both reaction products were additionally observed in the vicinity of endoplasmic reticulum and mitochondria, or associated with their outer membranes. In the neuromuscular junction (NMJ)-region NOS was localized to the cytoplasm of nerve terminals and terminal Schwann cells. In contrast to the commonly accepted assumption, the enzyme was found in association with the presynaptic, and not with the postsynaptic membrane. Cytosolic NADPH-d was exhibited especially between mitochondria accumulated in the postsynaptic region of the NMJ. Surprisingly, in nNOS-/--mice the skeletal muscle showed patterns of significant nNOS-immunoreactivity and NADPH-d activity possibly due to alternative nNOS-splice isoforms, which might be up-regulated to compensate for decreased NO formation.
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Affiliation(s)
- Fritz Rothe
- Institute of Medical Neurobiology, Otto-von-Guericke University of Magdeburg, Leipziger Strasse 44, 39120 Magdeburg, Germany.
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Almeida RD, Manadas BJ, Carvalho AP, Duarte CB. Intracellular signaling mechanisms in photodynamic therapy. Biochim Biophys Acta Rev Cancer 2004; 1704:59-86. [PMID: 15363861 DOI: 10.1016/j.bbcan.2004.05.003] [Citation(s) in RCA: 107] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2004] [Revised: 05/26/2004] [Accepted: 05/28/2004] [Indexed: 12/28/2022]
Abstract
In photodynamic therapy (PDT) a sensitizer, light and oxygen are used to induce death of tumor cells and in the treatment of certain noncancerous conditions. Cell death in PDT may occur by apoptosis or by necrosis, depending on the sensitizer, on the PDT dose and on the cell genotype. Some sensitizers that have been used in PDT are accumulated in the mitochondria, and this may explain their efficiency in inducing apoptotic cell death, both in vitro and in vivo. In this review we will focus on the events that characterize apoptotic death in PDT and on the intracellular signaling events that are set in motion in photosensitized cells. Activation of phospholipases, changes in ceramide metabolism, a rise in the cytosolic free Ca2+ concentration, stimulation of nitric oxide synthase (NOS), changes in protein phosphorylation and alterations in the activity of transcription factors and on gene expression have all been observed in PDT-treated cells. Although many of these metabolic reactions contribute to the demise process, some of them may antagonize cell death. Understanding the signaling mechanisms in PDT may provide means to modulate the PDT effects at the molecular level and potentiate its antitumor effectiveness.
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Affiliation(s)
- Ramiro D Almeida
- Center for Neuroscience and Cell Biology, Department of Zoology, University of Coimbra, Coimbra, 3004-517 Portugal
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Leiro JM, Alvarez E, Arranz JA, Siso IG, Orallo F. In vitro effects of mangiferin on superoxide concentrations and expression of the inducible nitric oxide synthase, tumour necrosis factor-alpha and transforming growth factor-beta genes. Biochem Pharmacol 2003; 65:1361-71. [PMID: 12694877 DOI: 10.1016/s0006-2952(03)00041-8] [Citation(s) in RCA: 101] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This study investigated the effects of the natural polyphenol mangiferin (MA) on superoxide anion (O(2)(-)) production, xanthine oxidase (XO) activity, vascular contractility, inducible nitric oxide synthase (iNOS) mRNA levels, tumour necrosis factor-alpha (TNF-alpha) mRNA levels, and tumour growth factor-beta (TGF-beta) mRNA levels. O(2)(-) was generated by the hypoxanthine-xanthine oxidase (HX-XO) and phenazine methosulphate (PMS)-NADH systems. XO activity was determined by measurement of uric acid production with xanthine as substrate. Vascular contraction experiments were performed with intact rat aortic rings. iNOS, TNF-alpha and TGF-beta gene expression in rat macrophages stimulated in vivo with 3% thioglycollate and in vitro with 100 ng/mL lipopolysaccharide and 10U/mL of interferon-gamma were evaluated semiquantitatively by the retrotranscriptase-polymerase chain reaction. MA at 10-100 microM, like the known O(2)(-) scavenger superoxide dismutase (1U/mL), scavenged O(2)(-) produced by the HX/XO and PMS-NADH systems. By contrast MA at 1-100 microM, unlike allopurinol (10 microM), was unable to inhibit XO activity. MA at 1-100 microM did not modify resting tone or the contractile responses elicited by 1 microM phenylephrine or 1 microM phorbol 12-myristate 13-acetate in rat aorta. MA at 1-100 microM, like dexamethasone (100 microM), decreased iNOS mRNA levels in activated macrophages. At 100 microM, MA also reduced TNF-alpha mRNA levels, but increased TGF-beta mRNA levels. These results thus indicate that MA is an O(2)(-) scavenger and that it inhibits expression of the iNOS and TNF-alpha genes, suggesting that it may be of potential value in the treatment of inflammatory and/or neurodegenerative disorders. In addition, the finding that MA enhances TGF-beta gene expression suggests that this polyphenol might also be of value in the prevention of cancer, autoimmune disorders, atherosclerosis and coronary heart disease.
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Affiliation(s)
- José Manuel Leiro
- Departamento de Microbiología y Parasitología, Universidad de Santiago de Compostela, Spain.
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Rothe F, Possel H, Wolf G. Nitric oxide affects the phosphorylation state of microtubule-associated protein 2 (MAP-2) and neurofilament: an immunocytochemical study in the brain of rats and neuronal nitric oxide synthase (nNOS)-knockouts. Nitric Oxide 2002; 6:9-17. [PMID: 11829530 DOI: 10.1006/niox.2001.0390] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Alterations in function and specific cellular location of cytoskeletal elements are characterized by changes in their phosphorylation state. On this background we studied immunocytochemically the distribution pattern of neurofilament (NF) in its phosphorylated (P-NF) and nonphosphorylated (NP-NF) form and of microtubule-associated protein-2 (MAP-2) in the rat and mouse brain. Neurons that are strongly positive for neuronal nitric oxide synthase (nNOS)-immunoreactivity (IR) showed, interestingly, neither P-NF- nor MAP-2-IR. In contrast, nNOS-negative neuronal cell elements exhibited an intense IR and specific location for both antigens throughout the brain. As a model we chose the dorsolateral tegmental nucleus (LDT) of knockout (nNOS(-/-)) mice in which the main splice isoform nNOSalpha is lacking, but a low nNOS-activity persists, apparently due to the splice isoforms nNOSbeta and gamma. The principal neurons of such nNOS(-/-)-mice, which are equivalent to the nNOS-containing neurons in the LDT of wild-type mice exhibited a decreased nitrotyrosine-IR and an increased phosphotyrosine-IR if compared to those of wild-type mice. The same neurons failed to show NF-IR and MAP-2-IR, though. When the residual nNOS activity in nNOS(-/-)-mice was inhibited by treatment with N-omega-nitro-L-arginine methyl ester (L-NAME) the principal neurons displayed a moderate MAP-2 and NF-staining. NO and NO-derived oxygen species are suggested to modulate the balance between the activities of kinases and phosphatases, thus changing phosphorylation levels for NF, MAP-2, and, possibly, other proteins in neurons and adjacent cell elements.
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Affiliation(s)
- Fritz Rothe
- Institute of Medical Neurobiology, University of Magdeburg, D-39120 Magdeburg, Germany.
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