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Doctoral Thesis
DOI
10.11606/T.5.2006.tde-31102006-105026
Document
Author
Full name
Sérgio Podgaec
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2006
Supervisor
Committee
Abrão, Mauricio Simões (President)
Baracat, Edmund Chada
Ferriani, Rui Alberto
Fonseca, Angela Maggio da
Petta, Carlos Alberto
Title in Portuguese
Padrões de resposta imune em pacientes com endometriose
Keywords in Portuguese
Células Th1
Células Th2
Citocinas
Endometriose
Imunologia
Abstract in Portuguese
Objetivo: O objetivo deste estudo foi analisar a relação e a predominância dos padrões de resposta imune Th1 e Th2 em pacientes com endometriose. Pacientes e Métodos: Entre Fevereiro de 2004 e Abril de 2005 foram avaliadas 98 pacientes divididas em dois grupos de acordo com a presença (Grupo A) ou ausência de endometriose (Grupo B), confirmada histologicamente. Foram coletados sangue periférico e fluido peritoneal de todas as pacientes para a dosagem de interleucinas (IL) 2, 4 e 10, fator de necrose tumoral-alfa (TNF-alfa) e interferon-gama (IFN-gama) por citometria de fluxo. Além da presença da endometriose, foram analisadas a fase do ciclo menstrual, o quadro clinico, o estadiamento, o local de acometimento e a classificação histológica da moléstia. Resultados: Observou-se elevação estatisticamente significante nas concentrações de IFN-gama (mediana de 1,5pg/ml no Grupo A e de 0,4pg/ml no Grupo B, p=0,03) e de IL-10 (mediana de 38,6pg/ml no Grupo A e de 15,7pg/ml no Grupo B, p=0,03) do fluido peritoneal das pacientes com endometriose em relação àquelas sem a doença. As pacientes com endometriose apresentaram alteração estatisticamente significativa na relação das concentrações de IL-4/IFN-gama (p<0,001), IL-4/IL-2 (p=0,006), IL-10/IFN-gama (p < 0,001) e IL-10/IL-2 (p<0,001) do fluido peritoneal, com concentrações mais elevadas da IL-4 e da IL-10, o que reflete o predomínio da resposta Th2 sobre a Th1. Conclusão: Os resultados obtidos permitem concluir que, neste estudo, observou-se elevação de citocinas relativas à resposta imune Th2, denotando haver um predomínio deste padrão de resposta em pacientes com endometriose.
Title in English
Immune response patterns in patients with endometriosis
Keywords in English
Cytokines
Endometriosis
Immunology
Th1 cells
Th2 cells
Abstract in English
Objective: The objective of this study was to analyze the relation and the predominance of the immune response patterns Th1 and Th2 in patients with endometriosis. Patients and Methods: Between February 2004 and April 2005, 98 patients were evaluated and divided into two groups, according to the presence (Group A) or absence of endometriosis (Group B), confirmed by histology. Peripheral blood and peritoneal fluid were collected from all patients to obtain the concentrations of interleukines (IL) 2, 4 and 10, tumor necrosis factor-alpha (TNF-alpha) and interferon-gamma (IFN-gamma) using flow cytometry. Besides the presence of endometriosis, we analyzed phase of menstrual cycle, clinical complaints, classification, site and histological differentiation of the disease. Results: We observed higher concentrations of IFN-gamma (median of 1.5pg/ml in Group A and 0.4pg/ml in Group B, p = 0.03) and IL-10 (median of 38.6pg/ml in Group A and 15.7pg/ml in Group B, p = 0.03) in peritoneal fluid of patients with endometriosis in relation to those without the disease. Patients with endometriosis presented a significant alteration in IL-4/IFN-gamma (p < 0.001), IL-4/IL-2 (p = 0.006), IL-10/IFN-gamma (p < 0.001) and IL-10/IL-2 (p<0.001) ratio concentrations of peritoneal fluid, with IL-4 and IL-10 predominance, reflecting a Th2 response predominance over the Th1. Conclusion: The results allow concluding that, in this study, it was observed a cytokine elevation related to Th2 immune response, indicating a predominance of this pattern of response in patients with endometriosis.
 
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Publishing Date
2006-11-28
 
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