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Título: | Immunoexpression of the CD30 ligand-CD30 and IL-6-IL-6R signals in thyroid autoimmune diseases |
Fecha de publicación: | 2006 |
Editorial: | Murcia : F. Hernández |
ISSN: | 0213-3911 |
Materias relacionadas: | CDU::6 - Ciencias aplicadas::61 - Medicina::616 - Patología. Medicina clínica. Oncología |
Palabras clave: | Thyroid Immunohistochemistry |
Resumen: | To elucidate the role of Th2 cytokines in autoimmune thyroid diseases, we have studied by immunohistochemistry the expression of two Th2 ligand/receptor systems (CD30-L/CD30 and IL-6/IL-6R) in goitrous Graves’ disease (GD) and Hashimoto’s thyroiditis (HT). A total number of 50 nodular goiters (NG), including 10 GD showing a lymphoid aggregate grade I, 30 HT 8 of which had a lymphoid aggregate of grade I, 12 of grade II and 10 grade III, and 10 colloid goiters have been evaluated. In addition, 5 normal thyroids were included in the study as controls. Reactivity of ligand and cognate receptor of both CD30-L/CD30 and IL-6/IL-6R pathways was observed in a greater proportion of GD, compared to HT (P<0.005). In HT, the expression of CD30-L/CD30 system was detected more frequently than IL-6/IL-6R (P<0.05) and showed an inverse correlation with the grade of lymphoid aggregate, whereas IL-6/IL-6R correlated positively with lymphocyte infiltration (P<0.05). Based on our results concerning a dominance of Th2 cytokines in GD, we postulate that CD30-L/CD30 and IL-6/IL-6R systems could play a major role in the pathogenesis of GD. However, the expression of CD30L/CD30 and IL-6/IL-6R in HT suggests that Th2 mechanisms are involved also in tissue damage of HT. The two systems could contribute to drive the autoimmune response skewing toward a Th2 phenotype and this appears to be correlated with the lymphoid aggregate grade. |
Autor/es principal/es: | Ruggeri, R.M. Barresi, G. Sciacchitano, S. Trimarchi, F. Benvenga, S. Trovato, M. |
Forma parte de: | Histology and histopathology |
URI: | http://hdl.handle.net/10201/22628 |
Tipo de documento: | info:eu-repo/semantics/article |
Número páginas / Extensión: | 8 |
Derechos: | info:eu-repo/semantics/openAccess |
Aparece en las colecciones: | Vol.21, nº 3 (2006) |
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Immunoexpression of the CD30 ligandCD30 and IL6IL6R signals in thyroid autoimmune diseases.pdf | 5,6 MB | Adobe PDF | Visualizar/Abrir |
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