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Lorini Franciscatto I, Scherer Seibert B, Dries SS, Linden R, Ziulkoski AL, Perassolo MS. Evaluation of oxidative stress and its association with drug therapy in inpatients treated for cocaine dependence. Drug Chem Toxicol 2024; 47:372-380. [PMID: 37259499 DOI: 10.1080/01480545.2023.2219039] [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: 10/27/2022] [Accepted: 04/22/2023] [Indexed: 06/02/2023]
Abstract
The use of cocaine affects several systems and organs of the human body and the consumption of this substance leads to an increase in the production of reactive oxygen species, and to the reduction of antioxidant defenses. The aim of this study was to evaluate the oxidative stress (OS), biochemical and hematological parameters in patients hospitalized for treatment of cocaine addiction, comparing levels at hospital admission and discharge. Forty patients were included in the study. OS was evaluated using catalase (CAT), superoxide dismutase (SOD), glutathione reductase (GPx), total antioxidant power (FRAP), malondialdehyde (MDA), and sulfhydryl group (GS). The medications used during hospitalization were registered and their influence on the parameters of OS was analyzed. After the hospitalization period, there was an increase in GGT levels, a reduction in SOD activity, and an increase in GPx activity and FRAP levels. Carbamazepine users had higher SOD values and lower FRAP values at hospital discharge. The use of chlorpromazine caused differences in creatinine and gamma-glutamyltransferase (GGT) serum leves, and the levels of glutamic oxalacetic transaminase (TGO), MDA, and FRAP were increased at hospital discharge. Haloperidol and thiamine during hospitalization interfered with alkaline phosphatase levels. The use of risperidone caused an increase in the levels of SOD, and folic acid use was associated with lower levels of GPx and higher levels of glutamic-pyruvic transaminase (TGP) and alkaline phosphatase. Drug rehabilitation treatment was effective in decreasing oxidative damage represented by the reduction of biological markers.
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Affiliation(s)
- Isabela Lorini Franciscatto
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
- University Pharmacy, Feevale University, Novo Hamburgo, RS, Brazil
| | - Bruna Scherer Seibert
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
- University Pharmacy, Feevale University, Novo Hamburgo, RS, Brazil
| | - Samuel Selbach Dries
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
- University Pharmacy, Feevale University, Novo Hamburgo, RS, Brazil
| | - Rafael Linden
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
- Laboratory of Analytical Toxicology, Feevale University, Novo Hamburgo, Brazil
| | - Ana Luiza Ziulkoski
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
- Molecular Microbiology Laboratory, Feevale University, Novo Hamburgo, Brazil
| | - Magda Susana Perassolo
- Graduate Program on Toxicology and Analytical Toxicology, Feevale University, Novo Hamburgo, RS, Brazil
- University Pharmacy, Feevale University, Novo Hamburgo, RS, Brazil
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da Costa Silva Kindelan S, Queiroz MP, Barbosa MQ, Viera VB, Guerra GC, Fernandes de Souza Araújo D, Jacielly dos Santos J, Lucia de Azevedo Oliveira M, Milhomens Ferreira Melo PC, Rufino Freitas JC, Gomes Dutra LM, Frazão Tavares de Melo MF, Barbosa Soares JK. Maternal rat prenatal and neonatal treatment with pequi pulp reduces anxiety and lipid peroxidation in brain tissue of rat offspring at adolescence. Heliyon 2023; 9:e19757. [PMID: 37809698 PMCID: PMC10559064 DOI: 10.1016/j.heliyon.2023.e19757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 07/21/2023] [Accepted: 08/31/2023] [Indexed: 10/10/2023] Open
Abstract
The Pequi fruit (Caryocar Brasiliense cambess), typical of the Brazilian cerrado or savannah, is a source of essential fatty acids, carotenoids, and phenolic compounds. The aim of this study was to analyze the effects of consuming this fruit on anxiety behavior and lipid peroxidation in the brains of rats whose mothers were treated (by gavage) during pregnancy and lactation with Pequi fruit (pulp or nuts) at 2000 mg/kg of body weight. Anxiety parameters were assessed using the open field (OF), elevated plus maze (EPM), and light/dark box (LDB) tests. The brain was removed to measure malondialdehyde (MDA) levels. Data were analyzed using One-way Anova (p < 0.05). In the OF, the animals in the pulp group presented more time spent in the central area (20.37 ± 0.73 vs Control: 12.51 ± 0.39; Nuts: 8.28 ± 0.40) and increased locomotion (159.7 ± 6.10) compared to the other groups (Control: 127.3 ± 5.54; Nuts: 139.08 ± 6.57). In the EPM, the pulp group entered into the open arms (8.57 ± 0.36) and stayed more time in the central area (19.44 ± 1.17) compared to the Nuts group (7.14 ± 0.34; 13.00 ± 1.57). In the LDB the pulp group entered more (8.00 ± 0.42 vs Control: 7.16 ± 0.16 and Nuts: 7.42 ± 0.75) and stayed longer in the clear light side (92.18 ± 6.42) than all the other groups (Control: 71.44 ± 3.53; Nuts: 80.57 ± 6.50), respectively. Pulp group presented lower MDA in the brain (55.34 ± 3.04) compared to Control (72.06 ± 4.66) and Nuts (66.57 ± 2.45). We conclude that Pequi pulp consumption during pregnancy and lactation reduces lipid peroxidation in brain tissue and induces anxiolytic-like behavior in rat offspring. These effects were not observed in the Pequi nuts group.
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Affiliation(s)
- Suedna da Costa Silva Kindelan
- Program of Natural Sciences and Biotechnology, Federal University of Campina Grande, Cuité, Paraiba, Brazil
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
| | - Michelly Pires Queiroz
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
| | - Mayara Queiroga Barbosa
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
| | - Vanessa Bordin Viera
- Program of Natural Sciences and Biotechnology, Federal University of Campina Grande, Cuité, Paraiba, Brazil
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
| | - Gerlane Coelho Guerra
- Department of Biophysics and Pharmacology, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | - Jany Jacielly dos Santos
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
| | | | | | - Juliano Carlo Rufino Freitas
- Program of Natural Sciences and Biotechnology, Federal University of Campina Grande, Cuité, Paraiba, Brazil
- Education and Health Center, Academic Unit of Biology and Chemistry, Federal University of Campina Grande, Cuité, Pariba, Brazil
| | - Larissa Maria Gomes Dutra
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
| | | | - Juliana Kessia Barbosa Soares
- Program of Natural Sciences and Biotechnology, Federal University of Campina Grande, Cuité, Paraiba, Brazil
- Laboratory of Experimental Nutrition, Department of Nutrition, Federal University of Campina Grande, Cuité, Paraiba, Brazil
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Araújo I, Lara L. Perspectives on vitamin E, canthaxanthin and selenium to chick embryo antioxidant protection. WORLD POULTRY SCI J 2023. [DOI: 10.1080/00439339.2023.2192885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Moraes L, Dries S, Seibert B, Linden R, Perassolo M. Evaluation of oxidative stress markers in ethanol users. Braz J Med Biol Res 2023; 56:e12465. [PMID: 36856254 PMCID: PMC9974081 DOI: 10.1590/1414-431x2023e12465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 01/20/2023] [Indexed: 03/02/2023] Open
Abstract
Ethanol is a central nervous system depressant that is widely consumed worldwide. When consumed chronically, it may have several consequences to the organism, such as oxidative stress. Ethanol metabolism increases the production of oxidant molecules and its consumption may cause changes in enzymatic and non-enzymatic systems that maintain cellular homeostasis. The activity of endogenous enzymes and lipid peroxidation are altered in alcohol consumers. Therefore, this study aimed to evaluate oxidative stress parameters in ethanol users compared to a control group. For that, the activity of the enzymes superoxide dismutase, catalase, and glutathione peroxidase, the ferric reducing/antioxidant power (FRAP), and malondialdehyde were evaluated. The influence of the amount of ethanol consumed on the analyzed parameters was also verified. The group of alcohol users consisted of 52 volunteers, 85% male and 15% female, with a mean age of 41±13 years. The control group consisted of 50 non-drinkers, 40% male and 60% female, with a mean age of 50±10 years. There was a significant difference in superoxide dismutase (P<0.001) and malondialdehyde (P=0.007) measurements between groups, as both parameters were increased in the group of ethanol users. Because of the higher amount of ethanol consumed, there was an increase of the catalase activity parameters and gradual reduction of FRAP. Thus, the ethanol-consuming participants were most likely under oxidative stress.
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Affiliation(s)
- L. Moraes
- Programa de Residência Multiprofissional, Universidade Feevale, Novo Hamburgo, RS, Brasil
| | - S.S. Dries
- Mestrado Acadêmico em Toxicologia e Análises Toxicológicas, Universidade Feevale, Novo Hamburgo, RS, Brasil
| | - B.S. Seibert
- Mestrado Acadêmico em Toxicologia e Análises Toxicológicas, Universidade Feevale, Novo Hamburgo, RS, Brasil
| | - R. Linden
- Laboratório de Análises Toxicológicas, Mestrado Acadêmico em Toxicologia e Análises Toxicológicas, Universidade Feevale, Novo Hamburgo, RS, Brasil
| | - M.S. Perassolo
- Laboratório de Análises Toxicológicas, Mestrado Acadêmico em Toxicologia e Análises Toxicológicas, Universidade Feevale, Novo Hamburgo, RS, Brasil
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Espinosa dos Santos B, Macedo LCDSAD, Adomaitis APG, Castro AMMD, Teixeira de Almeida J, Moraes dos Santos ML, Foerster Merey LS. Impacts of aerobic exercise on children with asthma diagnosis: integrative review. REVISTA CIÊNCIAS EM SAÚDE 2022. [DOI: 10.21876/rcshci.v12i1.1174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Objective: To identify the impacts of aerobic exercise on the health of children with asthma, seeking to know protocols of rehabilitation programs and their impacts. Methods: Clinical trials published from 2010 to 2020 were selected, filtered by the descriptors: 'asthma', 'exercise' or 'physical training', 'children' OR 'adolescents' AND 'quality of life'. Results: Nineteen articles were included; the duration of the programs ranged from 4 to 24 weeks, 2 to 6 times/week, with the sessions varying from 30 min to 1h10min and intensity from 40% to 100% of the Maximum Heart Rate. The studies evaluated strength, lung capacity and function, inflammatory mediators, quality of life, and asthma control. Aerobic interventions made it possible to improve cardiorespiratory capacity, intracellular action of antioxidants, quality of life, and disease control. Significant results were found in protocols with playful exercises performed for 60 minutes, three times a week, and at least 12 weeks. Conclusion: The ease of reproducing the protocols can provide greater coverage of care and rehabilitation, which in the long term can help to reduce the hospitalization rate, cost, and hospital demand for severe exacerbations.
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Delmonego L, Maia TP, Delwing-Dal Magro D, Vincenzi KL, Lima AB, Pscheidt LC, Eger L, Delwing-de Lima D. Protective effect of resveratrol on citrullinemia type I-induced brain oxidative damage in male rats. Metab Brain Dis 2021; 36:685-699. [PMID: 33555496 DOI: 10.1007/s11011-020-00655-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 12/04/2020] [Indexed: 10/22/2022]
Abstract
Citrullinemia Type I is an inborn error, which leads to accumulation of citrulline and ammonia in blood and body tissues. We evaluated the in vitro effects of citrulline, ammonia and the influence of resveratrol on oxidative stress parameters in the cerebrum of 30- and 60-day-old male Wistar rats. Citrulline (0.1, 2.5, 5.0 mM), ammonia (0.01, 0.1, 1.0 mM) and resveratrol (0.01, 0.1, 0.5 mM) were added to the assays to measure thiobarbituric acid reactive substances (TBA-RS), total sulfhydryl content and the activity of antioxidant enzymes catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px). Citrulline (2.5 and 5.0 mM) increased TBA-RS in the cerebellum of 30-day-old and in the cerebral cortex and cerebellum of 60-day-old. Citrulline (5.0 mM) increased SOD and reduced GSH-Px in the hippocampus of 30-day-old, whereas in the cerebellum it increased GSH-Px. In the cerebral cortex, 2.5 and 5.0 mM citrulline reduced GSH-Px. In 60-day-old, 2.5 and 5.0 mM citrulline increased SOD in the cerebellum, increased GSH-Px in the cerebral cortex and 5.0 mM citrulline reduced CAT and increased SOD in the cerebral cortex. Ammonia (0.1 and 1.0 mM) reduced the sulfhydryl content in the cerebral cortex of 30- and 60-day-old, 1.0 mM ammonia increased SOD and reduced GSH-Px in the cerebellum of 30-day-old and increased SOD in the hippocampus and cerebellum of 60-day-old. Resveratrol was able to prevent the majority of these alterations. Thus, citrulline and ammonia induce oxidative stress in the cerebrum of rats; however, resveratrol was able to exert antioxidant effects against these substances.
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Affiliation(s)
- Larissa Delmonego
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil
| | - Thayná Patachini Maia
- Departamento de Medicina, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil
| | - Débora Delwing-Dal Magro
- Departamento de Ciências Naturais, Centro de Ciências Exatas e Naturais, Universidade Regional de Blumenau - FURB, Rua Antônio da Veiga, 140, Blumenau, SC, CEP 89012-900, Brazil
| | - Karine Louize Vincenzi
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil
| | - Aline Barbosa Lima
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil
| | - Luana Carla Pscheidt
- Departamento de Farmácia, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil
| | - Letícia Eger
- Departamento de Farmácia, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil
| | - Daniela Delwing-de Lima
- Programa de Pós-Graduação em Saúde e Meio Ambiente, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil.
- Departamento de Medicina, Universidade da Região de Joinville - UNIVILLE, Rua Paulo Malschitzki, 10 - Zona Industrial Norte, Joinville, SC, CEP 89201-972, Brazil.
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Ikejiri AT, Somaio Neto F, Bertoletto PR, Chaves JC, WakateTeruya AK, Kassuya CAL, Taha MO, Fagundes DJ. Effect of hyperbaric oxygenation on the expression of glutathione peroxidase 4 and lactoperoxidase genes in the lung of isogenic mice after ischemia/reperfusion injury in the small bowel. Acta Cir Bras 2018; 33:462-471. [PMID: 29924206 DOI: 10.1590/s0102-865020180050000009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 04/13/2018] [Indexed: 11/21/2022] Open
Abstract
PURPOSE To evaluate the effect of hyperbaric oxygenation (HBO) on the expression of the genes antioxidant glutathione peroxidase 4 (Gpx4) and lactoperoxidase (Lpo) in the lung of mice subjected to intestinal ischemia and reperfusion (IIR). METHODS Control group (CG) in which were subjected to anesthesia, laparotomy and observation for 120 minutes; an ischemia and reperfusion group (IRG) subjected to anesthesia, laparotomy, small bowel ischemia for 60 minutes and reperfusion for 60 minutes; and three groups treated with HBO during ischemia (HBOG + I), during reperfusion (HBOG + R) and during ischemia and reperfusion (HBOG + IR). Studied 84 genes of oxidative stress by the method (RT-qPCR). Genes with expression levels three times below or above the threshold cycle were considered significantly hypoexpressed or hyperexpressed, respectively (Student's t-test p<0.05). RESULTS Gpx4 and Lpo were hiperexpressed on IRG, showing a correlation with these genes with lung oxidative stress. Treated with HBO, there was a significant reduction on genic expression on HBOG+I. CONCLUSION Hyperbaric oxygenation showed to be associated with decreased expression of these antioxidant genes, suggesting a beneficial effect on the mechanism of pulmonary oxidative stress whenever applied during the ischemia.
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Affiliation(s)
| | | | | | | | | | | | - Murched Omar Taha
- Division of Surgical Techniques and Experimental Surgery, Department of Surgery, Universidade Federal de São Paulo, Brazil
| | - Djalma José Fagundes
- Division of Surgical Techniques and Experimental Surgery, Department of Surgery, UNIFESP, Sao Paulo, SP, Brazil
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Silva EP, Borges LS, Mendes-da-Silva C, Hirabara SM, Lambertucci RH. l-Arginine supplementation improves rats' antioxidant system and exercise performance. Free Radic Res 2017; 51:281-293. [PMID: 28277983 DOI: 10.1080/10715762.2017.1301664] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Reactive species have great importance in sports performance, once they can directly regulate energy production, muscular contraction, inflammation, and fatigue. Therefore, the redox control is essential for athletes' performance. Studies demonstrated that l-arginine has an important role in the synthesis of urea, cell growth and production of nitric oxide, moreover, there are indications that it is also able to induce benefits to muscle antioxidant system through the upregulation of some antioxidant enzymes, and by inhibiting some pathways of reactive species production. Therefore, the aim of this study was to evaluate the effects of l-arginine supplementation on performance and oxidative stress of male rats (trained or not), submitted to a single session of high intensity exercise. Forty male Wistar rats were divided into four groups, control (C), control+l-arginine (C + A), trained (T), and trained+l-arginine (T + A). The aerobic training was conducted for 8 weeks. Data of maximum speed and time from tests were used as indicators of performance. Variables related to oxidative stress and antioxidant system were also evaluated. Aerobic training was capable to induce enhancements on animals' exercise performance and on their redox state. Additionally, supplementation improved rats' physical performance on both groups, control and trained. Different improvements between groups on the antioxidant capacity were observed. Nevertheless, considering the ergogenic effect of l-arginine and the lack of all positive adaptations promoted by the exercise training, untrained animals may be more exposed to oxidative damages after the practice of intense exercises.
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Affiliation(s)
- E P Silva
- a Institute of Physical Exercise Sciences and Sports, Cruzeiro do Sul University , Sao Paulo , Brazil
| | - L S Borges
- a Institute of Physical Exercise Sciences and Sports, Cruzeiro do Sul University , Sao Paulo , Brazil
| | - C Mendes-da-Silva
- b Laboratory of Neuroscience and Nutrition, Department of Biosciences , Federal University of Sao Paulo , Santos , Brazil
| | - S M Hirabara
- a Institute of Physical Exercise Sciences and Sports, Cruzeiro do Sul University , Sao Paulo , Brazil
| | - R H Lambertucci
- c Department of Biosciences , Federal University of Sao Paulo , Santos , Brazil
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Lemos VS, Aires RD, Ladeira M, Guatimosim S. Fullerene-Derivatives as Therapeutic Agents in Respiratory System and Neurodegenerative Disorders. BIOENGINEERING APPLICATIONS OF CARBON NANOSTRUCTURES 2016. [DOI: 10.1007/978-3-319-25907-9_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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10
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Lima LF, Murta GL, Bandeira ACB, Nardeli CR, Lima WG, Bezerra FS. Short-term exposure to formaldehyde promotes oxidative damage and inflammation in the trachea and diaphragm muscle of adult rats. Ann Anat 2015; 202:45-51. [PMID: 26342159 DOI: 10.1016/j.aanat.2015.08.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 07/07/2015] [Accepted: 08/07/2015] [Indexed: 11/17/2022]
Abstract
Formaldehyde (FA) is an environmental pollutant widely used in industry. Exposure to FA causes irritation of the respiratory mucosa and is associated with inflammation and oxidative stress in the airways. This study aimed at investigating the oxidative effects on the inflammatory response in the trachea and the diaphragm muscle (DM) of rats exposed to different concentrations of formaldehyde. Twenty-eight Fischer male rats were divided into four groups: control group (CG) exposed to the ambient air; and three groups exposed to the following formaldehyde concentrations of 1% (FA1), 5% (FA5) and 10% (FA10), respectively. The exposure occurred for twenty minutes, three times a day for five days. Oxidative stress analyses were performed by carbonyl protein, lipid peroxidation and catalase activity. The assessment of inflammatory cell influx in both organs and the mucus production in the trachea was carried out. There was an increase of lipid peroxidation in the trachea and the DM of FA1 and FA5 groups compared to the CG and FA10. The oxidation of DM proteins increased in FA10 group compared to CG, FA1 and FA5. The catalase enzyme activity in the DM was reduced in FA1, FA5 and FA10 compared to the CG. Meanwhile, there was a reduction in the enzymatic activity of FA10 compared to the CG in the trachea. The morphometric analysis in the DM demonstrated an influx of inflammatory cells in FA10 compared to the CG. In FA10 group, the tracheal epithelium showed metaplasia and ulceration. In addition, the tracheal epithelium showed more mucus deposits in FA5 compared to CG, FA1 and FA10. The results demonstrated that the exposure to formaldehyde at different concentrations in a short period of time promotes oxidative damage and inflammation in the DM and the trachea and causes metaplasia, ulceration and increased mucus at the latter.
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Affiliation(s)
- Luiza Fagundes Lima
- Graduating in Medicine, School of Medicine, Federal University of Ouro Preto (UFOP), Ouro Preto, MG, Brazil
| | - Giselle Luciane Murta
- Laboratory of Metabolic Biochemistry (LBM), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Campus Universitário Morro do Cruzeiro, s/n, Ouro Preto, MG, Brazil
| | - Ana Carla Balthar Bandeira
- Laboratory of Metabolic Biochemistry (LBM), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Campus Universitário Morro do Cruzeiro, s/n, Ouro Preto, MG, Brazil
| | - Clarissa Rodrigues Nardeli
- Graduating in Medicine, School of Medicine, Federal University of Ouro Preto (UFOP), Ouro Preto, MG, Brazil
| | - Wanderson Geraldo Lima
- 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
- Laboratory of Metabolic Biochemistry (LBM), Department of Biological Sciences (DECBI), Center of Research in Biological Sciences (NUPEB), Federal University of Ouro Preto (UFOP), Campus Universitário Morro do Cruzeiro, s/n, Ouro Preto, MG, Brazil.
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Mortaz E, Adcock IM, Tabarsi P, Masjedi MR, Mansouri D, Velayati AA, Casanova JL, Barnes PJ. Interaction of Pattern Recognition Receptors with Mycobacterium Tuberculosis. J Clin Immunol 2014; 35:1-10. [PMID: 25312698 PMCID: PMC4306732 DOI: 10.1007/s10875-014-0103-7] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 09/26/2014] [Indexed: 12/12/2022]
Abstract
Tuberculosis (TB) is considered a major worldwide health problem with 10 million new cases diagnosed each year. Our understanding of TB immunology has become greater and more refined since the identification of Mycobacterium tuberculosis (MTB) as an etiologic agent and the recognition of new signaling pathways modulating infection. Understanding the mechanisms through which the cells of the immune system recognize MTB can be an important step in designing novel therapeutic approaches, as well as improving the limited success of current vaccination strategies. A great challenge in chronic disease is to understand the complexities, mechanisms, and consequences of host interactions with pathogens. Innate immune responses along with the involvement of distinct inflammatory mediators and cells play an important role in the host defense against the MTB. Several classes of pattern recognition receptors (PRRs) are involved in the recognition of MTB including Toll-Like Receptors (TLRs), C-type lectin receptors (CLRs) and Nod-like receptors (NLRs) linked to inflammasome activation. Among the TLR family, TLR1, TLR2, TLR4, and TLR9 and their down-stream signaling proteins play critical roles in the initiation of the immune response in the pathogenesis of TB. The inflammasome pathway is associated with the coordinated release of cytokines such as IL-1β and IL-18 which also play a role in the pathogenesis of TB. Understanding the cross-talk between these signaling pathways will impact on the design of novel therapeutic strategies and in the development of vaccines and immunotherapy regimes. Abnormalities in PRR signaling pathways regulated by TB will affect disease pathogenesis and need to be elucidated. In this review we provide an update on PRR signaling during M. tuberculosis infection and indicate how greater knowledge of these pathways may lead to new therapeutic opportunities.
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Affiliation(s)
- Esmaeil Mortaz
- Division of Pharmacology and Pathophysiology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Sciences, Utrecht University, Utrecht, The Netherlands.,Cell and Molecular Biology Group, Airways Disease Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Dovehouse Street, London, SW3 6LY, UK.,Clinical Tuberculosis and Epidemiology Research Center, National Research and Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ian M Adcock
- Cell and Molecular Biology Group, Airways Disease Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Dovehouse Street, London, SW3 6LY, UK.
| | - Payam Tabarsi
- Clinical Tuberculosis and Epidemiology Research Center, National Research and Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Masjedi
- Clinical Tuberculosis and Epidemiology Research Center, National Research and Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Davood Mansouri
- Chronic Respiratory Diseases Research Center and National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Akbar Velayati
- Clinical Tuberculosis and Epidemiology Research Center, National Research and Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jean-Laurent Casanova
- Howard Hughes Medical Institute and St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, 10065, NY, USA.,Paris Descartes Sorbonne Paris Cité University, Imagine Institute, Paris, France.,Laboratory of Human Genetics of Infectious Diseases, INSERM UMR 1163, Imagine Institute, Necker Hospital for Sick Children, Paris, France.,Pediatric Hematology and Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Peter J Barnes
- Cell and Molecular Biology Group, Airways Disease Section, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, Dovehouse Street, London, SW3 6LY, UK
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Nogueira C, Borges F, Ramalho A. Micronutrientes com ação antioxidante em neonatos. REVISTA PAULISTA DE PEDIATRIA 2010. [DOI: 10.1590/s0103-05822010000400015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJETIVO: Apresentar uma revisão atualizada e crítica sobre o estresse oxidativo em neonatos, bem como o efeito de micronutrientes com ação antioxidante direcionado ao grupo em questão. FONTES DE DADOS: Pesquisa bibliográfica nos bancos de dados Medline e LILACS (1997-2009), selecionando os artigos escritos em inglês, português ou espanhol, a partir dos descritores "neonato" e "micronutrientes", em combinação com "antioxidantes" e "estresse oxidativo". Foram examinados 90 artigos e 34 deles selecionados. SÍNTESE DOS DADOS: O nascimento, por si só, representa um estresse oxidativo para o recém-nascido, o que se agrava nos casos de prematuridade e quando existem doenças associadas. A agressão oxidativa sofrida pelo neonato a termo é contrabalançada pela maturação eficaz dos mecanismos antioxidantes; porém, no caso dos prematuros, isto não é evidente, uma vez que altas concentrações de antioxidantes só ocorrem no final da gestação. Diversos estudos foram realizados no intuito de avaliar as concentrações de antioxidantes em neonatos a termo e pré-termo, assim como propor doses de suplementação que possam ser eficazes em combater o estresse oxidativo. CONCLUSÕES: O estresse oxidativo está presente em neonatos, em especial nos prematuros, aumentando a demanda de nutrientes antioxidantes. É consenso que estes devem ser administrados de forma combinada, de modo a prevenir danos celulares. São necessários estudos longitudinais e com maiores casuísticas que avaliem as concentrações desses micronutrientes antioxidantes, com o intuito de traçar recomendações apropriadas para neonatos a termo e pré-termo.
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Melo JFD, Macedo ÉMCD, Paes Silva RP, Viana MT, Ferreira e Silva WT, Castro CMBD. Atividade antioxidante de macrófagos alveolares em ratos endotoxêmicos. PESQUISA VETERINARIA BRASILEIRA 2010. [DOI: 10.1590/s0100-736x2010000400013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Avaliou-se o efeito da endotoxemia sobre a atividade antioxidante de macrófagos alveolares em ratos da linhagem Wistar. Foram utilizados 24 ratos machos, com idade entre 90 e 120 dias, os quais foram divididos em dois grupos: controle e endotoxêmico. O grupo endotoxêmico foi submetido à injeção intraperitonial de lipopolissacarídio na dose de 1mg/kg de peso corporal. Após 24 h, coletou-se sangue para contagem total e diferencial de leucócitos; lavado broncoalveolar para contagem total e diferencial dos leucócitos e, a partir de macrófagos isolados deste lavado, foram realizadas as dosagens de superóxido e superóxido dismutase. A endotoxemia aumentou a contagem total de leucócitos e o número de neutrófilos no sangue periférico, no lavado broncoalveolar, e aumentou a produção de superóxido sem modificar a produção da superóxido dismutase. Esses resultados sugerem que a endotoxemia induz a uma resposta inflamatória no pulmão. Contudo, não altera a atividade antioxidante em ratos adultos. Tal fato potencializa a resposta contra agentes infecciosos pelo hospedeiro, mas também pode contribuir na patogênese de injúria pulmonar.
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Melo JFD, Macedo ÉMCD, Silva RPP, Viana MT, Silva WTFE, Castro CMMBD. Efeito da desnutrição neonatal sobre o recrutamento celular e a atividade oxidante-antioxidante de macrófagos em ratos adultos endotoxêmicos. REV NUTR 2008. [DOI: 10.1590/s1415-52732008000600007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJETIVO: Avaliar se a desnutrição no período neonatal produz prejuízos no recrutamento celular para o pulmão e na atividade oxidante-antioxidante de macrófagos alveolares em ratos adultos endotoxêmicos. MÉTODOS: Ratos machos Wistar (n=48) foram alimentados por mães cuja dieta, durante a lactação, continha 23% de proteína no grupo nutrido e 8% no grupo desnutrido. Após o desmame todos os animais foram recuperados com dieta normoprotéica. Entre 90 e 120 dias, a metade de cada grupo foi submetida à endotoxemia por meio da administração por via intraperitonial (v.i) de lipopolissacarídio na dose de 1mg/kg de peso corporal. Após 24 horas desse procedimento coletou-se o sangue para contagem total e diferencial de leucócitos e para a dosagem de óxido nítrico. Além do sangue coletou-se também o lavado broncoalveolar para contagem total e diferencial de leucócitos e, a partir de macrófagos isolados deste lavado, foram realizadas as dosagens de superóxido, óxido nítrico e superóxido dismutase. RESULTADOS: A desnutrição acarretou um déficit ponderal que persistiu até a idade adulta, além disso, reduziu a contagem total de leucócitos sangüíneos e o número de neutrófilos após o estímulo com lipopolissacarídio. A atividade oxidante-antioxidante foi alterada havendo diminuição da produção de superóxido, óxido nítrico e superóxido dismutase antes e após a indução da endotoxemia. CONCLUSÃO: Esses resultados sugerem que a desnutrição neonatal, mesmo após a recuperação nutricional, compromete o recrutamento celular para o pulmão e a atividade oxidante-antioxidante dos macrófagos alveolares em ratos adultos. A endotoxemia contribui para evidenciar essas seqüelas da resposta do hospedeiro frente a este modelo de desnutrição.
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