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Cardoso ADOP, Pecli E Silva C, Dos Anjos FDF, Quesnot N, Valenca HDM, Cattani-Cavalieri I, Brito-Gitirana L, Valenca SS, Lanzetti M. Diallyl disulfide prevents cigarette smoke-induced emphysema in mice. Pulm Pharmacol Ther 2021; 69:102053. [PMID: 34214692 DOI: 10.1016/j.pupt.2021.102053] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 06/20/2021] [Accepted: 06/25/2021] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Cigarette smoke (CS) is the main risk factor for the development of chronic obstructive pulmonary disease (COPD) and pulmonary emphysema. The use of antioxidants has emerged as a potential therapeutic strategy to treat airway inflammation and lung diseases. In the current study, we investigated the potential therapeutic impact of diallyl disulfide (Dads) treatment in a murine model of CS-induced emphysema. METHODS C57BL/6 mice were exposed to CS for 60 consecutive days and treated with vehicle or Dads (30, 60 or 90 mg/kg) by oral gavage for the last 30 days, three times/week. The control group was sham-smoked and received vehicle treatment. All mice were euthanized 24 h after day 60; bronchoalveolar lavage (BAL) was performed and lungs were processed for further experimentation. Histological (HE stained sections, assessment of mean linear intercept (Lm)), biochemical (nitrite, superoxide dismutase (SOD), glutathione transferase (GST), and malondialdehyde (MDA) equivalents), and molecular biology (metalloproteinase (MMP) 12, SOD2, carbonyl reductase 1 (CBR1), nitrotyrosine (PNK), 4-hydroxynonenal (4-HNE), and CYP2E1) analyses were performed. RESULTS Treatment with Dads dose-dependently reduced CS-induced leukocyte infiltration into the airways (based on BAL fluid counts) and improved lung histology (indicated by a reduction of Lm). Furthermore, CS exposure dramatically reduced the activity of the antioxidant enzymes SOD and GST in lung tissue and increased nitrite and MDA levels in BAL; these effects were all effectively counteracted by Dads treatment. Western blot analysis further confirmed the antioxidant potential of Dads, showing that treatment prevented the CS-induced decrease in SOD2 expression and increase in lung damage markers, such as CBR1, PNK, and 4-HNE. Furthermore, increased MMP12 (an important hallmark of CS-induced emphysema) and CYP2E1 lung protein levels were significantly reduced in mice receiving Dads treatment. CONCLUSION Our findings demonstrate that treatment with Dads is effective in preventing multiple pathological features of CS-induced emphysema in an in vivo mouse model. In addition, we have identified several proteins/enzymes, including 4-HNE, CBR1, and CYP2E1, that are modifiable by Dads and could represent specific therapeutic targets for the treatment of COPD and emphysema.
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Affiliation(s)
| | - Cyntia Pecli E Silva
- Instituto de Ciências Biomédicas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Nicolas Quesnot
- Instituto de Ciências Biomédicas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Helber da Maia Valenca
- Instituto de Ciências Biomédicas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Lycia Brito-Gitirana
- Instituto de Ciências Biomédicas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Samuel Santos Valenca
- Instituto de Ciências Biomédicas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Manuella Lanzetti
- Instituto de Ciências Biomédicas, Universidade Federal Do Rio de Janeiro, Rio de Janeiro, Brazil
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Lycopene mitigates pulmonary emphysema induced by cigarette smoke in a murine model. J Nutr Biochem 2019; 65:93-100. [DOI: 10.1016/j.jnutbio.2018.12.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 10/09/2018] [Accepted: 12/15/2018] [Indexed: 12/20/2022]
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Martins TL, Campos KKD, Araújo NPDS, Machado DF, Bezerra FS. Extrapulmonary effects of temporal exposure to cigarette smoke. Toxicol Ind Health 2017; 33:717-725. [PMID: 28854870 DOI: 10.1177/0748233717715187] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
This study aimed to evaluate the extrapulmonary effects of exposure to cigarette smoke (CS) through the analysis of blood components and histopathological examinations of the trachea and diaphragm muscle (DM) in C57BL/6 mice. Thirty-six animals were exposed to six cigarettes per day for 5 days. The mice were divided into a control group (CG) and groups exposed to CS for 1 (CS1D), 2 (CS2D), 3 (CS3D), 4 (CS4D), and 5 (CS5D) days. The trachea, DM, and blood were collected for morphometric and biochemical analyses. In comparison with the CG, CS4D and CS5D mice showed an increased influx of inflammatory cells into the DM and trachea. Increased glycogen deposits in the tracheal tissue of CS3D mice were observed, compared with that in CG, CS1D, and CS2D mice. In the blood serum, the number of inflammatory cells and the concentration of cholesterol increased in CS1D mice, compared with the CG. Alanine aminotransferase (ALT) levels were elevated in CS5D mice, compared with those in CS3D and CS4D mice. Aspartate aminotransferase (AST) levels were elevated in CS3D and CS5D mice, compared with those in the CG. Urea levels were significantly increased in CS5D mice, compared with CS1D mice. Our results showed extrapulmonary effects of short-term exposure to CS in adult mice.
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Affiliation(s)
- Thais Lourenço Martins
- Laboratory of Experimental Pathophysiology (LAFEx), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Ouro Preto, Minas Gerais, Brazil
| | - Keila Karine Duarte Campos
- Laboratory of Experimental Pathophysiology (LAFEx), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Ouro Preto, Minas Gerais, Brazil
| | - Natália Pereira da Silva Araújo
- Laboratory of Experimental Pathophysiology (LAFEx), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Ouro Preto, Minas Gerais, Brazil
| | - Dafne Fernandes Machado
- Laboratory of Experimental Pathophysiology (LAFEx), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Ouro Preto, Minas Gerais, Brazil
| | - Frank Silva Bezerra
- Laboratory of Experimental Pathophysiology (LAFEx), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Ouro Preto, Minas Gerais, Brazil
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Campos KKD, Leal SF, Costa DC, de Lima WG, Bezerra FS. Long-term exposure to ultrasonically nebulized distilled water and saline causes cellular influx and oxidative stress in lung tissue of rats. Exp Lung Res 2016; 41:546-53. [PMID: 26651882 DOI: 10.3109/01902148.2015.1109736] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
PURPOSE The aim of this study was to evaluate of the effect of distilled water and saline ultrasonic nebulization on the inflammatory and oxidative stress responses and on the lower airway architecture. MATERIALS AND METHODS Twenty-one male Fischer rats were distributed into 3 groups of 7 animals each: a control group (CG), exposed to ambient air; a saline group (SG), exposed to 0.9% sodium chloride (NaCl); and a group exposed to distilled water (DWG). The exposure was carried out in a box attached to an ultrasonic inhaler, occurring for 20 min, 3 times a day for 6 months. At 24h after the last exposure, the animals were euthanized. The bronchoalveolar lavage fluid (BALF) and lungs were collected for study. RESULTS There was an increase of inflammatory cells in the pulmonary tissue BALF in the DWG compared with the CG. The DWG showed an increase of inflammatory cells compared with the SG and CG. The DWG and SG had higher NADPH oxidase activity than the CG. The volume density (Vv) of the alveolar septum was higher in the DWG than in the SG and CG, and the DWG also had a higher Vv of collagen fibers than the other 2 groups. The DWG presented elevated content of thiobarbituric acid reactive substances in lung homogenates relative to the SG and CG. CONCLUSIONS The ultrasonic nebulization of distilled water increased the influx of inflammatory cells and oxidative damage, and promoted changes in the lung architecture.
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Affiliation(s)
- Keila Karine Duarte Campos
- a Laboratory of Experimental Pathophysiology (LAFEX), Department of Biological Sciences (DECBI) , Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP) , Ouro Preto, MG, Brazil
| | - Simone Floresta Leal
- b Graduating in Medicine, School of Medicine , Federal University of Ouro Preto (UFOP) , Ouro Preto, MG, Brazil
| | - Daniela Caldeira Costa
- c Laboratory of Metabolic Biochemistry (LBM), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB) , Federal University of Ouro Preto (UFOP) , Ouro Preto, MG, Brazil
| | - Wanderson Geraldo de Lima
- d Laboratory of Morphopathology (LMP), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB) , Federal University of Ouro Preto (UFOP) , Ouro Preto , MG , Brazil
| | - Frank Silva Bezerra
- a Laboratory of Experimental Pathophysiology (LAFEX), Department of Biological Sciences (DECBI) , Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP) , Ouro Preto, MG, Brazil
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Abstract
INTRODUCTION Emphysema is characterized by an abnormal and permanent enlargement of airspaces accompanied by destruction of their walls. Up to now, there is no cure for emphysema, and animal models may be important for new drug discovery. AREAS COVERED Herein, the authors review animal models of emphysema since the protease-antiprotease hypothesis as well as the results obtained with compounds tested in these models. Of particular importance are animal models of cigarette smoke exposure since it is the most important risk factor of emphysema. The authors also analyze two approaches to drug testing, that is, the approach aimed at preventing emphysema and the one aimed at reversing it. EXPERT OPINION It has been suggested that early and late interventions do not have the same protective effect and that late interventions are much more likely to reveal treatments beneficial in humans. However, this is not always the case, and a compound that prevents emphysema when administered as an early intervention can also have the same protective effect when given as a late intervention. Furthermore, the fact that a compound detected by means of early intervention is now in clinical practice shows that early intervention studies can be predictive for efficacy in humans.
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Affiliation(s)
- Concetta Gardi
- University of Siena, Department of Molecular and Developmental Medicine , Via Aldo Moro 2 - Siena , Italy +39 0 577 234002 ;
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Kennedy-Feitosa E, Pinto RFS, Pires KMP, Monteiro APT, Machado MN, Santos JC, Ribeiro ML, Zin WA, Canetti CA, Romana-Souza B, Porto LC, Valenca SS. The influence of 5-lipoxygenase on cigarette smoke-induced emphysema in mice. Biochim Biophys Acta Gen Subj 2014; 1840:199-208. [DOI: 10.1016/j.bbagen.2013.09.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 09/08/2013] [Accepted: 09/20/2013] [Indexed: 11/25/2022]
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Campos KKD, Manso RG, Gonçalves EG, Silva ME, de Lima WG, Menezes CAS, Bezerra FS. Temporal analysis of oxidative effects on the pulmonary inflammatory response in mice exposed to cigarette smoke. Cell Immunol 2013; 284:29-36. [PMID: 23921078 DOI: 10.1016/j.cellimm.2013.07.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 06/17/2013] [Accepted: 07/09/2013] [Indexed: 11/28/2022]
Abstract
The most common factor related to the chronic obstructive pulmonary disease (COPD) development is the chronic smoking habit. Our study describes the temporal kinesis of pulmonary cellular influx through BALF analyses of mice acutely exposed to cigarette smoke (CS), the oxidative damage and antioxidative enzyme activities. Thirty-six mice (C57BL/6, 8weeks old, male) were divided in 6 groups: the control group (CG), exposed to ambient air, and the other 30 mice were exposed to CS. Mice exposed to CS presented, especially after the third day of exposure, different cellular subpopulations in BALF. The oxidative damage was significantly higher in CS exposed groups compared to CG. Our data showed that the evaluated inflammatory cells, observed after three days of CS exposure, indicate that this time point could be relevant to studies focusing on these cellular subpopulation activities and confirm the oxidative stress even in a short term CS exposure.
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Affiliation(s)
- Keila Karine Duarte Campos
- Laboratory of Metabolic Biochemistry (LBM), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto, Ouro Preto, MG, Brazil
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Pires KMP, Melo AC, Lanzetti M, Casquilho NV, Zin WA, Porto LC, Valença SS. Low tidal volume mechanical ventilation and oxidative stress in healthy mouse lungs. J Bras Pneumol 2012; 38:98-104. [PMID: 22407046 DOI: 10.1590/s1806-37132012000100014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2011] [Accepted: 12/01/2011] [Indexed: 01/19/2023] Open
Abstract
OBJECTIVE Mechanical ventilation (MV) itself can directly contribute to lung injury. Therefore, the aim of the present study was to investigate early biomarkers concerning oxidant/antioxidant balance, oxidative stress, and inflammation caused by short-term MV in healthy mouse lungs. METHODS Twenty male C57BL/6 mice were randomly divided into two groups: MV, submitted to low tidal volume (V T, 6 mL/kg) MV for 30 min; and spontaneous respiration (SR), used as controls. Lung homogenate samples were tested regarding the activity of various antioxidant enzymes, lipid peroxidation, and TNF-α expression. RESULTS In comparison with the SR group, the MV group showed a significant decrease in the activity of superoxide dismutase (≈35%; p < 0.05), together with an increase in the activity of catalase (40%; p < 0.01), glutathione peroxidase (500%; p < 0.001), and myeloperoxidase (260%; p < 0.001), as well as a reduction in the glutathione/oxidized glutathione ratio (≈50%; p < 0.05) and an increase in TNF-α expression in the MV group. Oxidative damage, assessed by lipid peroxidation, was also greater in the MV group (45%; p < 0.05). CONCLUSIONS Our results show that short-term low V T MV can directly contribute to lung injury, generating oxidative stress and inflammation in healthy mouse lungs.
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Affiliation(s)
- Karla Maria Pereira Pires
- Departamento de Histologia e Embriologia, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
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Lima Trajano ET, Sternberg C, Caetano M, Santos Silva MA, Porto LC, Santos JC, Ribeiro ML, Magalhães CB, Zin WA, Benjamim CF, Valença SS. Endotoxin-induced acute lung injury is dependent upon oxidative response. Inhal Toxicol 2011; 23:918-26. [DOI: 10.3109/08958378.2011.625994] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Bezerra FS, Valença SS, Pires KMP, Lanzetti M, Pimenta WA, Schmidt AC, Porto LC, Zin WA. Long-term exposure to cigarette smoke impairs lung function and increases HMGB-1 expression in mice. Respir Physiol Neurobiol 2011; 177:120-6. [PMID: 21457800 DOI: 10.1016/j.resp.2011.03.023] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2011] [Revised: 03/23/2011] [Accepted: 03/23/2011] [Indexed: 10/18/2022]
Abstract
Cigarette smoke (CS)-induced emphysema is caused by a continuous inflammatory response in the lower respiratory tract. The development of the condition is believed to be mediated by oxidant-antioxidant imbalance. This paper describes the effects of long-term CS exposure on alveolar cell recruitment, antioxidant defense systems, activity of extracellular matrix metalloelastases, expression of metalloelastase MMP-12, and high mobility group box-1 protein (HMGB-1). Ten C57Bl/6 mice were exposed to 12 cigarettes-a-day for 60 consecutive days, while 10 control animals were exposed to ambient air. After sacrifice, bronchoalveolar lavage fluid (BALF) was removed, and lung tissue underwent biochemical and histological analyses. In CS-exposed animals influx of alveolar macrophages and neutrophils into BALF, lung static elastance, and expression of MMP-12 and HMGB-1 were significantly increased while the activity of antioxidant enzyme was significantly reduced in comparison with control group. Thus, we demonstrated for the first time that long-term CS exposure decreased antioxidant defenses concomitantly with impaired lung function, which was associated with HMGB-1 expression.
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Affiliation(s)
- Frank Silva Bezerra
- Laboratory of Tissue Repair, Histology and Embryology Department, Roberto Alcantara Gomes Institute of Biology, Rio de Janeiro State University, Rio de Janeiro, Brazil
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