Resumen

BENCHUYA, Carolina; PAVAN, Verónica; GUALTIERI, Ariel  y  FERNANDEZ DE PRELIASCO, Virginia. The concentration of il-1β in saliva of children with oral lesions associated to histiocytosis. Acta odontol. latinoam. [online]. 2015, vol.28, n.2, pp.167-173. ISSN 1852-4834.

Langerhans Cell Histiocytosis (LCH) is a disease whose etiology and pathogenesis are still unknown. It affects several organs and tissues, producing lesions of different severity. Its histopathology and clinical picture suggest the participation of cytokines in its pathogenesis. IL-1β might have an important role in its development. The purpose of this study was to determine the concentrations of IL-1β in saliva of pediatric patients diagnosed with LCH, with and without oral manifestations (Groups 1 and 2 respectively) compared to a Control Group (Group 3) of pediatric patients without medical antecedents or oral lesions. The saliva of twenty patients with LCH was studied and compared to a Control Group consisting of eleven pediatric patients without medical antecedents. The children with histiocytosis, aged four months to sixteen years, were referred by the Oncohaematology Service at Garrahan Hospital and Hospital de Clinicas, to the Department of Comprehensive Children's Dentistry, School of Dentistry, University of Buenos Aires (UBA). The concentrations of IL-1β in the different groups were determined using the Enzyme Immune Assay Kit (Cayman MI, USA) and expressed in pg/ml. Results were analyzed by the Kruskall Wallis test. Significant differences between the three cohorts were found, (H = 20.36, P < 0.001). Dunn´s multiple comparison analysis was performed, which showed significant differences between Groups 1 and 2, and between Groups 1 and 3 (P < 0.05). Higher values of IL-1β were found in the patients with histiocytosis with oral manifestations (Group 1) than in patients without manifestations (Group 2) and patients in the Control Group (Group 3).

Palabras clave : Saliva; Histiocytosis; Langerhans cells; Interleukin; 1beta; Mouth disease; Child.

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