Oxidative stress and inflammatory parameters inpatients presenting celiac disease
Estresse oxidativo e parâmetros inflamatórios em pacientes com doença celíaca
Eliel Rovaris, Alexandre Faraco, Priscila Waleska Simões, Kristian Madeira, Samira Dal-Toé de Prá, Monique Michels, Andriele Vieira, Henrique Burger, Beatriz Sonai, Emilio Streck, Felipe Dal-Pizzol
Abstract
Objectives: Determine the presence of oxidative stress and inflammation in the gut of patients with celiac disease. Methods: Transversal study that included patients undergoing upper gastrointestinal endoscopy was performed. The study population consisted 24 cases and 26 controls. The duodenal levels of protein carbonyls, thiobarbituric acid reactive species, as well as catalase, superoxide dismutase (SOD) activities were measured. Gut levels of interleukin (IL) 6, 10 and 8 were also determined.The Marsh classification was recorded and used as a parameter of disease severity. Results: Both IL-6 and IL-10, but not IL8, were increased in celiac disease patients when compared to healthy individuals. Oxidative damage parameters were increased while antioxidant defenses were decreased in our sample. Both IL6 levels and SOD activity were related to Marsh score. Conclusions: Different markers of inflammation and oxidative stress are altered in the gut of celiac disease patients, and some of them are related to disease severity
Keywords
Resumo
Objetivos: Determinar a presença de estresse oxidativo e inflamação no intestino de pacientes com doença celíaca. Método: Foi realizado estudo transversal que incluiu pacientes submetidos à endoscopia gastrointestinal. A população do estudo consistiu em 24 casos e 26 controles. Foram medidos os níveis duodenais de proteínas carboniladas, espécies reativas ao ácido tiobarbitúrico, bem como catalase (CAT), superóxido dismutase (SOD). Também foram determinados os níveis intestinais de interleucina (IL) 6, 10 e 8. A classificação de Marsh foi registrada e utilizada como parâmetro de gravidade da doença. Resultados: Tanto a IL-6 como a IL-10, mas não a IL8, aumentaram nos pacientes com doença celíaca quando comparados com indivíduos saudáveis. Os parâmetros de dano oxidativo foram aumentados,enquanto que as defesas antioxidantes foram reduzidas em nossa amostra. Os níveis de IL6 ea atividade do SOD foram relacionados com a pontuação de Marsh. Conclusões: Diferentes marcadores de inflamação e estresse oxidativo estão alterados no intestino de pacientes com doença celíaca, e alguns deles estão relacionados à gravidade da doença.
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Referências
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Submetido em:
19/08/2016
Aceito em:
31/10/2016
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