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Camargo LDN, Righetti RF, de Almeida FM, dos Santos TM, Fukuzaki S, Martins NAB, Barbeiro MC, Saraiva-Romanholo BM, Lopes FDTQDS, Leick EA, Prado CM, Tibério IDFLC. Modulating asthma-COPD overlap responses with IL-17 inhibition. Front Immunol 2023; 14:1271342. [PMID: 37965351 PMCID: PMC10641519 DOI: 10.3389/fimmu.2023.1271342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 10/16/2023] [Indexed: 11/16/2023] Open
Abstract
Background IL-17 is a modulator of the inflammatory response and is implicated in lung remodeling in both asthma and chronic obstructive pulmonary disease (COPD). Well as and probably in patients with asthma-COPD overlap (ACO). Methods In this study, we evaluated the response of the airways and alveolar septa to anti-IL-17 treatment in an ACO model. Fifty-six male BALB/c mice were sensitized with ovalbumin (OVA group), received porcine pancreatic elastase (PPE group), or both (ACO group). Mice were then treated with either anti-IL-17 monoclonal antibody or saline. We evaluated hyperresponsiveness, bronchoalveolar lavage fluid (BALF) cell counts, and mean alveolar diameter. We quantified inflammatory, response, extracellular matrix remodeling, oxidative stress markers, and signaling pathway markers. Results Anti-IL-17 treatment in the ACO anti-IL-17 group reduced the maximum response of respiratory system Rrs, Ers, Raw, Gtis, this when compared to the ACO group (p<0.05). There was a reduction in the total number of inflammatory cells, neutrophils, and macrophages in the BALF in the ACO anti-IL-17 group compared to the ACO group (p<0.05). There was attenuated dendritic cells, CD4+, CD8+, FOXP3, IL-1β, IL-2, IL-6, IL-13, IL-17, IL-33 in ACO anti-IL-17 group in airway and alveolar septum compared to the ACO group (p<0.05). We observed a reduction of MMP-9, MMP-12, TIMP-1, TGF-β, collagen type I in ACO anti-IL-17 group in airway and alveolar septum compared to the ACO group (p < 0.05). We also observed a reduction of iNOS and 8-iso-PGF2α in the airways and in the alveolar septum was reduced in the ACO anti-IL-17group compared to the ACO group (p < 0.05). Regarding the signaling pathways, NF-kB, ROCK-1, and ROCK-2 in the airway and alveolar septum were attenuated in the ACO anti-IL-17 group when compared to the ACO group (p<0.05). Conclusions Our results suggest that inhibiting IL-17 modulates cell-associated cytokine production in lung tissue, extracellular matrix remodeling, and oxidative stress in ACO through the modulation of NF-kB and FOXP3.
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Affiliation(s)
- Leandro do Nascimento Camargo
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
- Serviço de Reabilitação, Hospital Sírio-Libanês, São Paulo, Brazil
| | - Renato Fraga Righetti
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
- Serviço de Reabilitação, Hospital Sírio-Libanês, São Paulo, Brazil
| | | | - Tabata Maruyama dos Santos
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
- Serviço de Reabilitação, Hospital Sírio-Libanês, São Paulo, Brazil
| | - Silvia Fukuzaki
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | | | | | | | | | | | - Carla Máximo Prado
- Department of Bioscience, Federal University of São Paulo, Santos, São Paulo, Brazil
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Silva LLSD, Barbosa JAS, João JMLG, Fukuzaki S, Camargo LDN, Dos Santos TM, Campos ECD, Costa AS, Saraiva-Romanholo BM, Bezerra SKM, Lopes FTQDS, Bonturi CR, Oliva MLV, Leick EA, Righetti RF, Tibério IDFLC. Effects of a Peptide Derived from the Primary Sequence of a Kallikrein Inhibitor Isolated from Bauhinia bauhinioides (pep-BbKI) in an Asthma-COPD Overlap (ACO) Model. Int J Mol Sci 2023; 24:11261. [PMID: 37511021 PMCID: PMC10379932 DOI: 10.3390/ijms241411261] [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: 05/31/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/30/2023] Open
Abstract
(1) There are several patients with asthma-COPD overlap (ACO). A peptide derived from the primary sequence of a kallikrein inhibitor isolated from Bauhinia bauhinioides (pep-BbKI) has potent anti-inflammatory and antioxidant effects. Purpose: To investigate the effects of pep-BbKI treatment in an ACO model and compare them with those of corticosteroids. (2) BALB/c mice were divided into groups: SAL (saline), OVA (ovalbumin), ELA (elastase), ACO (ovalbumin + elastase), ACO-pep-BbKI (treated with inhibitor), ACO-DX (dexamethasone treatment), ACO-DX-pep-BbKI (both treatments), and SAL-pep-BbKI (saline group treated with inhibitor). We evaluated: hyperresponsiveness to methacholine, bronchoalveolar lavage fluid (BALF), exhaled nitric oxide (eNO), IL-1β, IL-4, IL-5, IL-6, IL-10, IL-13, IL-17, IFN-γ, TNF-α, MMP-9, MMP-12, TGF-β, collagen fibers, iNOS, eNO, linear mean intercept (Lm), and NF-κB in airways (AW) and alveolar septa (AS). (3) ACO-pep-BbKI reversed ACO alterations and was similar to SAL in all mechanical parameters, Lm, neutrophils, IL-5, IL-10, IL-17, IFN-γ, TNF-α, MMP-12 (AW), collagen fibers, iNOS (AW), and eNO (p > 0.05). ACO-DX reversed ACO alterations and was similar to SAL in all mechanical parameters, Lm, total cells and differentials, IL-1β(AS), IL-5 (AS), IL-6 (AS), IL-10 (AS), IL-13 (AS), IFN-γ, MMP-12 (AS), TGF-β (AS), collagen fibers (AW), iNOS, and eNO (p > 0.05). SAL was similar to SAL-pep-BbKI for all comparisons (p > 0.05). (4) Pep-BbKI was similar to dexamethasone in reducing the majority of alterations of this ACO model.
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Affiliation(s)
| | | | | | - Silvia Fukuzaki
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 01246-903, Brazil
| | | | | | | | - Arthur Silva Costa
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 01246-903, Brazil
| | - Beatriz Mangueira Saraiva-Romanholo
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 01246-903, Brazil
- Department of Medicine, University City of São Paulo, São Paulo 03071-000, Brazil
| | | | | | - Camila Ramalho Bonturi
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04039-002, Brazil
| | - Maria Luiza Vilela Oliva
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04039-002, Brazil
| | - Edna Aparecida Leick
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 01246-903, Brazil
| | - Renato Fraga Righetti
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo 01246-903, Brazil
- Hospital Sírio-Libanês, São Paulo 01308-050, Brazil
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3
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Biselli PJC, Degobbi Tenorio Quirino Dos Santos Lopes F, Righetti RF, Moriya HT, Tibério IFLC, Martins MA. Lung Mechanics Over the Century: From Bench to Bedside and Back to Bench. Front Physiol 2022; 13:817263. [PMID: 35910573 PMCID: PMC9326096 DOI: 10.3389/fphys.2022.817263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
Lung physiology research advanced significantly over the last 100 years. Respiratory mechanics applied to animal models of lung disease extended the knowledge of the workings of respiratory system. In human research, a better understanding of respiratory mechanics has contributed to development of mechanical ventilators. In this review, we explore the use of respiratory mechanics in basic science to investigate asthma and chronic obstructive pulmonary disease (COPD). We also discuss the use of lung mechanics in clinical care and its role on the development of modern mechanical ventilators. Additionally, we analyse some bench-developed technologies that are not in widespread use in the present but can become part of the clinical arsenal in the future. Finally, we explore some of the difficult questions that intensive care doctors still face when managing respiratory failure. Bringing back these questions to bench can help to solve them. Interaction between basic and translational science and human subject investigation can be very rewarding, as in the conceptualization of “Lung Protective Ventilation” principles. We expect this interaction to expand further generating new treatments and managing strategies for patients with respiratory disease.
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Affiliation(s)
- Paolo Jose Cesare Biselli
- Intensive Care Unit, University Hospital, University of Sao Paulo, Sao Paulo, Brazil
- *Correspondence: Paolo Jose Cesare Biselli,
| | | | - Renato Fraga Righetti
- Laboratory of Experimental Therapeutics, Department of Clinical Medicine, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
- Hospital Sírio-Libanês, Serviço de Reabilitação, São Paulo, Brazil
| | - Henrique Takachi Moriya
- Biomedical Engineering Laboratory, Escola Politecnica, University of Sao Paulo, Sao Paulo, Brazil
| | - Iolanda Fátima Lopes Calvo Tibério
- Laboratory of Experimental Therapeutics, Department of Clinical Medicine, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Milton Arruda Martins
- Laboratory of Experimental Therapeutics, Department of Clinical Medicine, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
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Bayrak BB, Yilmaz S, Hacihasanoglu Cakmak N, Yanardag R. The effects of edaravone, a free-radical scavenger in lung injury induced by valproic acid demonstrated via different biochemical parameters. J Biochem Mol Toxicol 2021; 35:e22847. [PMID: 34309930 DOI: 10.1002/jbt.22847] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 06/03/2021] [Accepted: 07/12/2021] [Indexed: 01/15/2023]
Abstract
In this study, we aimed to evaluate whether edaravone (EDA) has a protective role against valproic acid (VPA)-induced lung damage via its antioxidative activity. Male Sprague-Dawley rats were split into four groups. Control (n = 8) rats; rats given EDA (30 mg kg-1 day-1 ; n = 10); rats given only (VPA, 500 mg kg-1 day-1 ; n = 10); rats given VPA + EDA (in the same dose and time) for 7 days. EDA and VPA were applied intraperitoneally. After 8 days, lung tissues were immediately taken from the rats. In lung homogenates, reduced glutathione, total antioxidant status levels, and superoxide dismutase, glutathione peroxidase, sodium/potassium ATPase, paraoxonase1, and carbonic anhydrase activities significantly abated, whereas catalase, glutathione reductase, glutathione-S-transferase activities insignificantly decreased in the VPA-treated group. In contrast, lipid peroxidation, reactive oxygen species, and total oxidant status levels, glycoprotein and protein carbonyl contents, nitric oxide, hydroxyproline levels, and xanthine oxidase, lactate dehydrogenase, arginase, and prolidase activities significantly increased in the VPA-given group. Administration of EDA caused the reverse effects. As a consequence, EDA prevented oxidative stress-mediated lung injury via its robust antioxidant effects.
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Affiliation(s)
- Bertan B Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar-Istanbul, Turkey
| | - Sebahat Yilmaz
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar-Istanbul, Turkey
| | - Neziha Hacihasanoglu Cakmak
- Pharmacy Services, Vocational School of Health Services, Istanbul Medipol University, Beykoz-Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar-Istanbul, Turkey
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5
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Fukuzaki S, Righetti RF, Santos TMD, Camargo LDN, Aristóteles LRCRB, Souza FCR, Garrido AC, Saraiva-Romanholo BM, Leick EA, Prado CM, Martins MDA, Tibério IDFLC. Preventive and therapeutic effect of anti-IL-17 in an experimental model of elastase-induced lung injury in C57Bl6 mice. Am J Physiol Cell Physiol 2020; 320:C341-C354. [PMID: 33326311 DOI: 10.1152/ajpcell.00017.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is an important health care issue, and IL-17 can modulate inflammatory responses. We evaluated preventive and therapeutic effect of anti-interleukin (IL)-17 in a model of lung injury induced by elastase, using 32 male C57Bl6 mice, divided into 4 groups: SAL, ELASTASE CONTROL (EC), ELASTASE + PREVENTIVE ANTI-IL-17 (EP), and ELASTASE + THERAPEUTIC ANTI-IL-17 (ET). On the 29th day, animals were anesthetized with thiopental, tracheotomized, and placed on a ventilator to evaluate lung mechanical, exhaled nitric oxide (eNO), and total cells of bronchoalveolar lavage fluid was collected. We performed histological techniques, and linear mean intercept (Lm) was analyzed. Both treatments with anti-IL-17 decreased respiratory resistance and elastance, airway resistance, elastance of pulmonary parenchyma, eNO, and Lm compared with EC. There was reduction in total cells and macrophages in ET compared with EC. Both treatments decreased nuclear factor-кB, inducible nitric oxide synthase, matrix metalloproteinase (MMP)-9, MMP-12, transforming growth factor-β, tumor necrosis factor-α, neutrophils, IL-1β, isoprostane, and IL-17 in airways and alveolar septa; collagen fibers, decorin and lumican in airways; and elastic fibers and fibronectin in alveolar septa compared with EC. There was reduction of collagen fibers in alveolar septa and biglycan in airways in EP and a reduction of eNO synthase in airways in ET. In conclusion, both treatments with anti-IL-17 contributed to improve most of parameters evaluated in inflammation and extracellular matrix remodeling in this model of lung injury.
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Affiliation(s)
- Silvia Fukuzaki
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Renato Fraga Righetti
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | - Tabata Maruyama Dos Santos
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | - Leandro do Nascimento Camargo
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | | | - Flavia C R Souza
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Aurelio C Garrido
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Beatriz Mangueira Saraiva-Romanholo
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil.,Department of Medicine (LIM 20), Hospital Public Employee of São Paulo (Instituto de Assistência Médica ao Servidor Público Estadual de São Paulo), University City of São Paulo, São Paulo, Brazil
| | - Edna Aparecida Leick
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Carla Máximo Prado
- School of Medicine-Faculty of Medicine, University of São Paulo, São Paulo, São Paulo, Brazil.,Department of Bioscience, Federal University of São Paulo, Santos, São Paulo, Brazil
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Checa J, Aran JM. Airway Redox Homeostasis and Inflammation Gone Awry: From Molecular Pathogenesis to Emerging Therapeutics in Respiratory Pathology. Int J Mol Sci 2020; 21:E9317. [PMID: 33297418 PMCID: PMC7731288 DOI: 10.3390/ijms21239317] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 12/05/2020] [Indexed: 02/06/2023] Open
Abstract
As aerobic organisms, we are continuously and throughout our lifetime subjected to an oxidizing atmosphere and, most often, to environmental threats. The lung is the internal organ most highly exposed to this milieu. Therefore, it has evolved to confront both oxidative stress induced by reactive oxygen species (ROS) and a variety of pollutants, pathogens, and allergens that promote inflammation and can harm the airways to different degrees. Indeed, an excess of ROS, generated intrinsically or from external sources, can imprint direct damage to key structural cell components (nucleic acids, sugars, lipids, and proteins) and indirectly perturb ROS-mediated signaling in lung epithelia, impairing its homeostasis. These early events complemented with efficient recognition of pathogen- or damage-associated recognition patterns by the airway resident cells alert the immune system, which mounts an inflammatory response to remove the hazards, including collateral dead cells and cellular debris, in an attempt to return to homeostatic conditions. Thus, any major or chronic dysregulation of the redox balance, the air-liquid interface, or defects in epithelial proteins impairing mucociliary clearance or other defense systems may lead to airway damage. Here, we review our understanding of the key role of oxidative stress and inflammation in respiratory pathology, and extensively report current and future trends in antioxidant and anti-inflammatory treatments focusing on the following major acute and chronic lung diseases: acute lung injury/respiratory distress syndrome, asthma, chronic obstructive pulmonary disease, pulmonary fibrosis, and cystic fibrosis.
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Affiliation(s)
| | - Josep M. Aran
- Immune-Inflammatory Processes and Gene Therapeutics Group, IDIBELL, L’Hospitalet de Llobregat, 08908 Barcelona, Spain;
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Zingerone ameliorates oxidative stress and inflammation in bleomycin-induced pulmonary fibrosis: modulation of the expression of TGF-β1 and iNOS. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:1659-1670. [PMID: 32377772 DOI: 10.1007/s00210-020-01881-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Accepted: 04/22/2020] [Indexed: 12/16/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is an interstitial lung disease with limited treatment options. Zingerone found in ginger (Zingiber officinale L.) has many pharmacological effects, especially antiinflammatory and antioxidant activity. However, the effect of zingerone on pulmonary fibrosis (PF) is not fully known. The aim of this study was to investigate the effect of zingerone on bleomycin (BLM)-induced PF and its underlying mechanisms. Wistar-albino rats were given single dose of BLM (5 mg/kg, intratracheal) or vehicle (saline). In treatment groups, zingerone (50 and 100 mg/kg, p.o.) was administered orally for 14 days after BLM administration. Rats and lung tissue were weighed to determine lung index. Antioxidant, antiinflammatory effects, and hydroxyproline content of zingerone were determined by ELISA method. Pulmonary inflammation, collagen deposition, and fibrosis score were determined with Hematoxylin-Eosin (HxE) and Masson's trichrome staining. Transforming growth factor-beta 1 (TGF-β1) and inducible nitric oxide synthase (iNOS) expressions were detected immunohistochemically. BLM administration increased lipid peroxidation (MDA) and decreased superoxide dismutase (SOD) and glutathione peroxidase (GPx) activity. In addition, BLM caused increased levels of tumor necrosis factor alpha (TNF-α) and interleukin-1β (IL-1β) in bronchoalveolar lavage fluid (BALF) and accumulation of collagen bundles. Zingerone administration decreased collagen accumulation, TNF-α and IL-1β levels, MDA level, TGF-β1, and iNOS expression and increased SOD and GPx activity. Histopathological findings supported the results. These results show that zingerone (50 and 100 mg/kg) at both doses significantly contributes to healing of PF by improving inflammation, oxidative stress, and histopathological alterations and by affecting TGF-β1 and iNOS signaling pathways.
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Poderoso JJ, Helfenberger K, Poderoso C. The effect of nitric oxide on mitochondrial respiration. Nitric Oxide 2019; 88:61-72. [PMID: 30999001 DOI: 10.1016/j.niox.2019.04.005] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 04/04/2019] [Accepted: 04/11/2019] [Indexed: 01/04/2023]
Abstract
This article reviews the interactions between nitric oxide (NO) and mitochondrial respiration. Mitochondrial ATP synthesis is responsible for virtually all energy production in mammals, and every other process in living organisms ultimately depends on that energy production. Furthermore, both necrosis and apoptosis, that summarize the main forms of cell death, are intimately linked to mitochondrial integrity. Endogenous and exogenous •NO inhibits mitochondrial respiration by different well-studied mechanisms and several nitrogen derivatives. Instantaneously, low concentrations of •NO, specifically and reversibly inhibit cytochrome c oxidase in competition with oxygen, in several tissues and cells in culture. Higher concentrations of •NO and its derivatives (peroxynitrite, nitrogen dioxide or nitrosothiols) can cause irreversible inhibition of the respiratory chain, uncoupling, permeability transition, and/or cell death. Peroxynitrite can cause opening of the permeability transition pore and opening of this pore causes loss of cytochrome c, which in turn might contribute to peroxynitrite-induced inhibition of respiration. Therefore, the inhibition of cytochrome c oxidase by •NO may be involved in the physiological and/or pathological regulation of respiration rate, and its affinity for oxygen, which depend on reactive nitrogen species formation, pH, proton motriz force and oxygen supply to tissues.
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Affiliation(s)
- Juan José Poderoso
- Universidad de Buenos Aires, Facultad de Medicina, Hospital de Clínicas "José de San Martín", Laboratorio Del Metabolismo Del Oxígeno, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires. Instituto de Inmunología, Genética y Metabolismo (INIGEM), Buenos Aires, Argentina
| | - Katia Helfenberger
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Paraguay 2155 5th Floor, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Cecilia Poderoso
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Paraguay 2155 5th Floor, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina.
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iNOS Inhibition Reduces Lung Mechanical Alterations and Remodeling Induced by Particulate Matter in Mice. Pulm Med 2019; 2019:4781528. [PMID: 30984425 PMCID: PMC6432736 DOI: 10.1155/2019/4781528] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 02/07/2019] [Indexed: 12/14/2022] Open
Abstract
Background. The epidemiologic association between pulmonary exposure to ambient particulate matter (PM) and acute lung damage is well known. However, the mechanism involved in the effects of repeated exposures of PM in the lung injury is poorly documented. This study tested the hypotheses that chronic nasal instillation of residual oil fly ash (ROFA) induced not only distal lung and airway inflammation but also remodeling. In addition, we evaluated the effects of inducible nitric oxide inhibition in these responses. For this purpose, airway and lung parenchyma were evaluated by quantitative analysis of collagen and elastic fibers, immunohistochemistry for macrophages, neutrophils, inducible nitric oxide synthase (iNOS), neuronal nitric oxide synthase (nNOS), and alveolar septa 8-iso prostaglandin F2α (8-iso-PGF-2α) detection. Anesthetized in vivo (airway resistance, elastance, H, G, and Raw) respiratory mechanics were also analyzed. C57BL6 mice received daily 60ul of ROFA (intranasal) for five (ROFA-5d) or fifteen days (ROFA-15d). Controls have received saline (SAL). Part of the animals has received 1400W (SAL+1400W and ROFA-15d+1400W), an iNOS inhibitor, for four days before the end of the protocol. A marked neutrophil and macrophage infiltration and an increase in the iNOS, nNOS, and 8-iso-PGF2 α expression was observed in peribronchiolar and alveolar wall both in ROFA-5d and in ROFA-15d groups. There was an increment of the collagen and elastic fibers in alveolar and airway walls in ROFA-15d group. The iNOS inhibition reduced all alterations induced by ROFA, except for the 8-iso-PGF2 α expression. In conclusion, repeated particulate matter exposures induce extracellular matrix remodeling of airway and alveolar walls, which could contribute to the pulmonary mechanical changes observed. The mechanism involved is, at least, dependent on the inducible nitric oxide activation.
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Righetti RF, Dos Santos TM, Camargo LDN, Aristóteles LRCRB, Fukuzaki S, de Souza FCR, Santana FPR, de Agrela MVR, Cruz MM, Alonso-Vale MIC, Genaro IS, Saraiva-Romanholo BM, Leick EA, Martins MDA, Prado CM, Tibério IDFLC. Protective Effects of Anti-IL17 on Acute Lung Injury Induced by LPS in Mice. Front Pharmacol 2018; 9:1021. [PMID: 30337870 PMCID: PMC6180195 DOI: 10.3389/fphar.2018.01021] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 08/23/2018] [Indexed: 12/20/2022] Open
Abstract
Introduction: T helper 17 (Th17) has been implicated in a variety of inflammatory lung and immune system diseases. However, little is known about the expression and biological role of IL-17 in acute lung injury (ALI). We investigated the mechanisms involved in the effect of anti-IL17 in a model of lipopolysaccharide (LPS)-induced acute lung injury (ALI) in mice. Methods: Mice were pre-treated with anti-IL17, 1h before saline/LPS intratracheal administration alongside non-treated controls and levels of exhaled nitric oxide (eNO), cytokine expression, extracellular matrix remodeling and oxidative stress, as well as immune cell counts in bronchoalveolar lavage fluid (BALF), and respiratory mechanics were assessed in lung tissue. Results: LPS instillation led to an increase in multiple cytokines, proteases, nuclear factor-κB, and Forkhead box P3 (FOXP3), eNO and regulators of the actomyosin cytoskeleton, the number of CD4+ and iNOS-positive cells as well as the number of neutrophils and macrophages in BALF, resistance and elastance of the respiratory system, ARG-1 gene expression, collagen fibers, and actin and 8-iso-PGF2α volume fractions. Pre-treatment with anti-IL17 led to a significant reduction in the level of all assessed factors. Conclusions: Anti-IL17 can protect the lungs from the inflammatory effects of LPS-induced ALI, primarily mediated by the reduced expression of cytokines and oxidative stress. This suggests that further studies using anti-IL17 in a treatment regime would be highly worthwhile.
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Affiliation(s)
- Renato Fraga Righetti
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | - Tabata Maruyama Dos Santos
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | | | | | - Silvia Fukuzaki
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
| | | | | | | | - Maysa Mariana Cruz
- Universidade Federal de São Paulo, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ciências Biológicas, Diadema, São Paulo, Brazil
| | - Maria Isabel Cardoso Alonso-Vale
- Universidade Federal de São Paulo, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Departamento de Ciências Biológicas, Diadema, São Paulo, Brazil
| | - Isabella Santos Genaro
- Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil.,Public Employee of São Paulo Hospital (IAMSPE), São Paulo, Brazil
| | | | | | | | - Carla Máximo Prado
- Department of Bioscience, Federal University of São Paulo, Santos, São Paulo, Brazil
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Dos Santos TM, Righetti RF, Camargo LDN, Saraiva-Romanholo BM, Aristoteles LRCRB, de Souza FCR, Fukuzaki S, Alonso-Vale MIC, Cruz MM, Prado CM, Leick EA, Martins MA, Tibério IFLC. Effect of Anti-IL17 Antibody Treatment Alone and in Combination With Rho-Kinase Inhibitor in a Murine Model of Asthma. Front Physiol 2018; 9:1183. [PMID: 30233389 PMCID: PMC6134017 DOI: 10.3389/fphys.2018.01183] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 08/06/2018] [Indexed: 12/12/2022] Open
Abstract
Background: Interleukin-17 (IL-17) and Rho-kinase (ROCK) play an important role in regulating the expression of inflammatory mediators, immune cell recruitment, hyper-responsiveness, tissue remodeling, and oxidative stress. Modulation of IL-17 and ROCK proteins may represent a promising approach for the treatment of this disease. Objective: To study the effects of an anti-IL17 neutralizing antibody and ROCK inhibitor treatments, separately and in combination, in a murine model of chronic allergy-induced lung inflammation. Methods: Sixty-four BALBc mice, were divided into eight groups (n = 8): SAL (saline-instilled); OVA (exposed-ovalbumin); SAL-RHOi (saline and ROCK inhibitor), OVA-RHOi (exposed-ovalbumin and ROCK inhibitor); SAL-anti-IL17 (saline and anti-IL17); OVA-anti-IL17 (exposed-ovalbumin and anti-IL17); SAL-RHOi-anti-IL17 (saline, ROCK inhibitor and anti-IL17); and OVA-RHOi-anti-IL17 (exposed-ovalbumin, anti-IL17, and ROCK inhibitor). A 28-day protocol of albumin treatment was used for sensitization and induction of pulmonary inflammation. The anti-IL17A neutralizing antibody (7.5 μg per treatment) was administered by intraperitoneal injection and ROCK inhibitor (Y-27632) intranasally (10 mg/kg), 1 h prior to each ovalbumin challenge (days 22, 24, 26, and 28). Results: Treatment with the anti-IL17 neutralizing antibody and ROCK inhibitor attenuated the percentage of maximal increase of respiratory system resistance and respiratory system elastance after challenge with methacholine and the inflammatory response markers evaluated (CD4+, CD8+, ROCK1, ROCK2, IL-4, IL-5, IL-6, IL-10 IL-13, IL-17, TNF-α, TGF-β, NF-κB, dendritic cells, iNOS, MMP-9, MMP-12, TIMP-1, FOXP3, isoprostane, biglycan, decorin, fibronectin, collagen fibers content and gene expression of IL-17, VAChT, and arginase) compared to the OVA group (p < 0.05). Treatment with anti-IL17 and the ROCK inhibitor together resulted in potentiation in decreasing the percentage of resistance increase after challenge with methacholine, decreased the number of IL-5 positive cells in the airway, and reduced, IL-5, TGF-β, FOXP3, ROCK1 and ROCK2 positive cells in the alveolar septa compared to the OVA-RHOi and OVA-anti-IL17 groups (p < 0.05). Conclusion: Anti-IL17 treatment alone or in conjunction with the ROCK inhibitor, modulates airway responsiveness, inflammation, tissue remodeling, and oxidative stress in mice with chronic allergic lung inflammation.
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Affiliation(s)
- Tabata M Dos Santos
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | - Renato F Righetti
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | - Leandro do N Camargo
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | - Beatriz M Saraiva-Romanholo
- Department of Medicine, Laboratory of Experimental Therapeutics, LIM-20, School of Medicine, University of São Paulo, São Paulo, Brazil.,Department of Medicine, University City of São Paulo (UNICID), São Paulo, Brazil
| | | | - Flávia C R de Souza
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | - Silvia Fukuzaki
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | | | - Maysa M Cruz
- Department of Biological Sciences, Federal University of São Paulo, Diadema, Brazil
| | - Carla M Prado
- Department of Biological Sciences, Federal University of São Paulo, Diadema, Brazil.,Department of Biosciences, Federal University of São Paulo (UNIFESP), Santos, Brazil
| | - Edna A Leick
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | - Milton A Martins
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
| | - Iolanda F L C Tibério
- Department of Medicine, Faculdade de Medicina (FMUSP), Universidade de São Paulo, São Paulo, Brazil
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12
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Camargo LDN, Righetti RF, Aristóteles LRDCRB, Dos Santos TM, de Souza FCR, Fukuzaki S, Cruz MM, Alonso-Vale MIC, Saraiva-Romanholo BM, Prado CM, Martins MDA, Leick EA, Tibério IDFLC. Effects of Anti-IL-17 on Inflammation, Remodeling, and Oxidative Stress in an Experimental Model of Asthma Exacerbated by LPS. Front Immunol 2018; 8:1835. [PMID: 29379497 PMCID: PMC5760512 DOI: 10.3389/fimmu.2017.01835] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 12/05/2017] [Indexed: 12/13/2022] Open
Abstract
Inflammation plays a central role in the development of asthma, which is considered an allergic disease with a classic Th2 inflammatory profile. However, cytokine IL-17 has been examined to better understand the pathophysiology of this disease. Severe asthmatic patients experience frequent exacerbations, leading to infection, and subsequently show altered levels of inflammation that are unlikely to be due to the Th2 immune response alone. This study estimates the effects of anti-IL-17 therapy in the pulmonary parenchyma in a murine asthma model exacerbated by LPS. BALB/c mice were sensitized with intraperitoneal ovalbumin and repeatedly exposed to inhalation with ovalbumin, followed by treatment with or without anti-IL-17. Twenty-four hours prior to the end of the 29-day experimental protocol, the two groups received LPS (0.1 mg/ml intratracheal OVA-LPS and OVA-LPS IL-17). We subsequently evaluated bronchoalveolar lavage fluid, performed a lung tissue morphometric analysis, and measured IL-6 gene expression. OVA-LPS-treated animals treated with anti-IL-17 showed decreased pulmonary inflammation, edema, oxidative stress, and extracellular matrix remodeling compared to the non-treated OVA and OVA-LPS groups (p < 0.05). The anti-IL-17 treatment also decreased the numbers of dendritic cells, FOXP3, NF-κB, and Rho kinase 1- and 2-positive cells compared to the non-treated OVA and OVA-LPS groups (p < 0.05). In conclusion, these data suggest that inhibition of IL-17 is a promising therapeutic avenue, even in exacerbated asthmatic patients, and significantly contributes to the control of Th1/Th2/Th17 inflammation, chemokine expression, extracellular matrix remodeling, and oxidative stress in a murine experimental asthma model exacerbated by LPS.
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Affiliation(s)
| | - Renato Fraga Righetti
- Department of Medical Sciences, School of Medicine, University of São Paulo, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | | | | | | | - Silvia Fukuzaki
- Department of Medical Sciences, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Maysa Mariana Cruz
- Department of Biological Sciences, Institute of Biomedical Sciences, Federal University of São Paulo, São Paulo, Brazil
| | | | | | - Carla Máximo Prado
- Department of Biological Sciences, Federal University of São Paulo, São Paulo, Brazil
| | | | - Edna Aparecida Leick
- Department of Medical Sciences, School of Medicine, University of São Paulo, São Paulo, Brazil
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13
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Jiang Z, Wang W, Guo C. Tetrahydroxy stilbene glucoside ameliorates H2O2-induced human brain microvascular endothelial cell dysfunction in vitro by inhibiting oxidative stress and inflammatory responses. Mol Med Rep 2017; 16:5219-5224. [PMID: 28849141 PMCID: PMC5647076 DOI: 10.3892/mmr.2017.7225] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 06/12/2017] [Indexed: 11/24/2022] Open
Abstract
Tetrahydroxy stilbene glucoside (TSG) is one of the main active ingredients of Polygonum multiflorum and performs various types of biological activity, particularly anti-inflammatory and anti-oxidative activities. However, the beneficial effect of TSG in H2O2-induced human brain microvascular endothelial cell (HBMEC) dysfunction has not been fully elucidated. In the present study, H2O2-induced oxidative stress and inflammatory responses, and the pharmacological effect of TSG were investigated. The results demonstrated that H2O2 appeared to exert a cytotoxic effect on HBMECs, as the cell viability was significantly inhibited in H2O2-treated HBMECs. Conversely, TSG did not exert a toxic effect on HBMECs, and TSG inhibited H2O2-induced HBMEC cytotoxicity in a dose-dependent manner. Furthermore, the findings indicated that TSG restricted the oxidative stress caused by H2O2 via inhibition of malondialdehyde and reactive oxygen species, and upregulation of superoxide dismutase and glutathione. H2O2-induced injury was associated with enhancing the levels of inflammatory cytokines, tumor necrosis factor-α, interleukin (IL)-6 and IL-1β in the cultured HBMECs, which were attenuated by TSG treatment. Furthermore, the findings demonstrated that TSG inhibited necrosis factor-κB protein expression levels, which, as an upstream transcription factor, may regulate inflammatory responses. Thus, TSG protected HBMECs from H2O2-induced dysfunction by inhibiting oxidative stress and inflammatory responses.
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Affiliation(s)
- Zhao Jiang
- Department of Neurology, Tianjin First Central Hospital, Tianjin 300192, P.R. China
| | - Wenhong Wang
- Department of Neurology, Tianjin First Central Hospital, Tianjin 300192, P.R. China
| | - Chengcheng Guo
- Department of Neurology, Tianjin First Central Hospital, Tianjin 300192, P.R. China
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14
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Zhu LY, Ni ZH, Luo XM, Wang XB. Advance of antioxidants in asthma treatment. World J Respirol 2017; 7:17-28. [DOI: 10.5320/wjr.v7.i1.17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 11/23/2016] [Accepted: 01/14/2017] [Indexed: 02/07/2023] Open
Abstract
Asthma is an allergic disease, characterized as a recurrent airflow limitation, airway hyperreactivity, and chronic inflammation, involving a variety of cells and cytokines. Reactive oxygen species have been proven to play an important role in asthma. The pathogenesis of oxidative stress in asthma involves an imbalance between oxidant and antioxidant systems that is caused by environment pollutants or endogenous reactive oxygen species from inflammation cells. There is growing evidence that antioxidant treatments that include vitamins and food supplements have been shown to ameliorate this oxidative stress while improving the symptoms and decreasing the severity of asthma. In this review, we summarize recent studies that are related to the mechanisms and biomarkers of oxidative stress, antioxidant treatments in asthma.
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15
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Song L, Li D, Gu Y, Li X, Peng L. Let-7a modulates particulate matter (≤ 2.5 μm)-induced oxidative stress and injury in human airway epithelial cells by targeting arginase 2. J Appl Toxicol 2016; 36:1302-10. [PMID: 26989813 DOI: 10.1002/jat.3309] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 01/19/2016] [Accepted: 01/19/2016] [Indexed: 12/17/2022]
Abstract
Epidemiological studies show that particulate matter (PM) with an aerodynamic diameter ≤ 2.5 μm (PM2.5) is associated with cardiorespiratory diseases via the induction of excessive oxidative stress. However, the precise mechanism underlying PM2.5-mediated oxidative stress injury has not been fully elucidated. Accumulating evidence has indicated the microRNA let-7 family might play a role in PM-mediated pathological processes. In this study, we investigated the role of let-7a in oxidative stress and cell injury in human bronchial epithelial BEAS2B (B2B) cells after PM2.5 exposure. The let-7a level was the most significantly decreased in B2B cells after PM2.5 exposure. The overexpression of let-7a suppressed intracellular reactive oxygen species levels and the percentage of apoptotic cells after PM2.5 exposure, while the let-7a level decreased arginase 2 (ARG2) mRNA and protein levels in B2B cells by directly targeting the ARG2 3'-untranslated region. ARG2 expression was upregulated in B2B cells during PM2.5 treatment, and ARG2 knockdown could remarkably reduce oxidative stress and cellular injury. Moreover, its restoration could abrogate the protective effects of let-7a against PM2.5-induced injury. In conclusion, let-7a decreases and ARG2 increases resulting from PM2.5 exposure may exacerbate oxidative stress, cell injury and apoptosis of B2B cells. The let-7a/ARG2 axis is a likely therapeutic target for PM2.5-induced airway epithelial injury. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Lei Song
- Department of Respiratory Medicine, The First Hospital of Jilin Universtity, 71 the Xinmin Street, Changchun, People's Republic of China
| | - Dan Li
- Department of Respiratory Medicine, The First Hospital of Jilin Universtity, 71 the Xinmin Street, Changchun, People's Republic of China
| | - Yue Gu
- Department of Respiratory Medicine, The First Hospital of Jilin Universtity, 71 the Xinmin Street, Changchun, People's Republic of China
| | - Xiaoping Li
- Department of Pediatrics, The First Hospital of Jilin University, 71 the Xinmin Street, Changchun, People's Republic of China
| | - Liping Peng
- Department of Respiratory Medicine, The First Hospital of Jilin Universtity, 71 the Xinmin Street, Changchun, People's Republic of China
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16
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Adalimumab ameliorates abdominal aorta cross clamping which induced liver injury in rats. BIOMED RESEARCH INTERNATIONAL 2014. [PMID: 24551855 DOI: 10.1155/2014/907915.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of this study was to investigate the possible protective effects of adalimumab (ADA) on cell damage in rat liver tissue during ischemia/reperfusion (I/R) injury of infrarenal abdominal aorta. Thirty male Wistar-albino rats were divided into three groups: control, I/R, and I/R+ADA, each group containing 10 animals. Laparotomy without I/R injury was performed in the control group animals. Laparotomy in the I/R group was followed by two hours of infrarenal abdominal aortic cross ligation and then two hours of reperfusion. ADA (50 mg/kg) was administered intraperitoneally as a single dose, to the I/R+ADA group, five days before I/R. The tumor necrosis factor-alpha (TNF-α) (pg/mg protein) and nitric oxide (NO) (µmol/g protein) levels in the I/R group (430.8 ± 70.1, 8.0 ± 1.1, resp.) were significantly higher than those in the I/R+ADA group (338.0 ± 71.6, P = 0.006; 6.3 ± 1.2, P = 0.008) and the control group (345.5 ± 53.3, P = 0.008; 6.5 ± 1.5, P = 0.010, resp.). I/R causes severe histopathological injury to the liver tissue, but ADA leads to much less histopathological changes. ADA treatment significantly decreased the severity of liver I/R injury. ADA pretreatment may have protective effects on experimental liver injury.
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17
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Cure E, Cumhur Cure M, Tumkaya L, Kalkan Y, Aydin I, Kirbas A, Yilmaz A, Yuce S, Yücel AF. Adalimumab ameliorates abdominal aorta cross clamping which induced liver injury in rats. BIOMED RESEARCH INTERNATIONAL 2014; 2014:907915. [PMID: 24551855 PMCID: PMC3914326 DOI: 10.1155/2014/907915] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Revised: 12/09/2013] [Accepted: 12/15/2013] [Indexed: 02/07/2023]
Abstract
The aim of this study was to investigate the possible protective effects of adalimumab (ADA) on cell damage in rat liver tissue during ischemia/reperfusion (I/R) injury of infrarenal abdominal aorta. Thirty male Wistar-albino rats were divided into three groups: control, I/R, and I/R+ADA, each group containing 10 animals. Laparotomy without I/R injury was performed in the control group animals. Laparotomy in the I/R group was followed by two hours of infrarenal abdominal aortic cross ligation and then two hours of reperfusion. ADA (50 mg/kg) was administered intraperitoneally as a single dose, to the I/R+ADA group, five days before I/R. The tumor necrosis factor-alpha (TNF-α) (pg/mg protein) and nitric oxide (NO) (µmol/g protein) levels in the I/R group (430.8 ± 70.1, 8.0 ± 1.1, resp.) were significantly higher than those in the I/R+ADA group (338.0 ± 71.6, P = 0.006; 6.3 ± 1.2, P = 0.008) and the control group (345.5 ± 53.3, P = 0.008; 6.5 ± 1.5, P = 0.010, resp.). I/R causes severe histopathological injury to the liver tissue, but ADA leads to much less histopathological changes. ADA treatment significantly decreased the severity of liver I/R injury. ADA pretreatment may have protective effects on experimental liver injury.
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Affiliation(s)
- Erkan Cure
- 1Department of Internal Medicine, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
- *Erkan Cure:
| | - Medine Cumhur Cure
- 2Department of Biochemistry, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Levent Tumkaya
- 3Department of Histology and Embryology, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Yildiray Kalkan
- 3Department of Histology and Embryology, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Ibrahim Aydin
- 4Department of Surgery, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Aynur Kirbas
- 2Department of Biochemistry, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Arif Yilmaz
- 5Department of Gastroenterology, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Suleyman Yuce
- 1Department of Internal Medicine, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Ahmet Fikret Yücel
- 4Department of Surgery, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
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18
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Righetti RF, Pigati PADS, Possa SS, Habrum FC, Xisto DG, Antunes MA, Leick EA, Prado CM, Martins MDA, Rocco PRM, Tibério IDFLC. Effects of Rho-kinase inhibition in lung tissue with chronic inflammation. Respir Physiol Neurobiol 2013; 192:134-46. [PMID: 24373838 DOI: 10.1016/j.resp.2013.12.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 12/17/2013] [Accepted: 12/18/2013] [Indexed: 12/30/2022]
Abstract
We evaluated whether Rho-kinase inhibition (Y-27632) modulated distal lung responsiveness, inflammation, extracellular matrix remodeling and oxidative stress activation in guinea pigs (GPs) with chronic allergic inflammation. GPs were submitted to inhalation of ovalbumin (OVA-2×/week/4 weeks). From the 5th inhalation on, the Rho-kinase inhibitor group animals were submitted to Y-27632 inhalation 10min before each inhalation of OVA. Seventy-two hours after the seventh inhalation, the oscillatory mechanics of the distal lung strips were assessed under the baseline condition and after the ovalbumin challenge. Subsequently, the lung slices were submitted to morphometry. Rho-kinase inhibition in the ovalbumin-exposed animals attenuated distal lung elastance and resistance, eosinophils, IL-2, IL-4, IL-5, IL-13, TIMP-1, MMP-9, TGF-β, IFN-γ, NF-κB and iNOS-positive cells and the volume fraction of 8-iso-PGF2α, elastic, collagen and actin in alveolar walls compared with the OVA group (P<0.05). Rho-kinase inhibition contributed to the control of distal lung responsiveness, eosinophilic and Th1/Th2 responses and extracellular matrix remodeling in an animal model of chronic allergic inflammation.
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Affiliation(s)
- Renato Fraga Righetti
- Department of Medicine, School of Medicine, University of São Paulo, 01246-903 São Paulo, Brazil.
| | | | - Samantha Souza Possa
- Department of Medicine, School of Medicine, University of São Paulo, 01246-903 São Paulo, Brazil.
| | - Fábio Cetinic Habrum
- Department of Medicine, School of Medicine, University of São Paulo, 01246-903 São Paulo, Brazil.
| | - Débora Gonçalves Xisto
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Ilha do Fundão, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil.
| | - Mariana Alves Antunes
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Ilha do Fundão, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil.
| | - Edna Aparecida Leick
- Department of Medicine, School of Medicine, University of São Paulo, 01246-903 São Paulo, Brazil.
| | - Carla Máximo Prado
- Department of Biological Science, Universidade Federal de São Paulo, 09972-270 Diadema, São Paulo, Brazil.
| | - Mílton de Arruda Martins
- Department of Medicine, School of Medicine, University of São Paulo, 01246-903 São Paulo, Brazil.
| | - Patrícia Rieken Macedo Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Ilha do Fundão, Federal University of Rio de Janeiro, Rio de Janeiro 21941-902, Brazil.
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