Fas expression in lupus nephritis. The objective was to determine the correlation between YY-1 and Fas expression in renal biopsies from children with type IV lupus nephritis, and their association with the clinical condition of the patients
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چکیده
Antecedentes: La apoptosis mediada por Fas participa en la fisiopatología de la nefritis lúpica. Debido a que YY-1 regula negativamente el Fas en líneas celulares de cáncer, es razonable considerar que este factor de transcripción pueda controlar la expresión de Fas en la nefritis lúpica. El objetivo es determinar la correlación de la expresión de YY-1 y Fas en biopsias de niños con nefritis lúpica de tipo IV y su asociación con la condición clínica de los pacientes. Material y métodos: Se estudiaron 18 biopsias de niños con nefritis lúpica de tipo IV y 5 controles. La expresión de Fas y YY-1 se determinó mediante inmunohistoquímica y se cuantificó mediante análisis densitométrico. Se obtuvo información sobre el estado clínico de los pacientes en el momento de la biopsia a partir de los expedientes, y los resultados se analizaron mediante ANOVA de una vía. Se consideró significativo un valor p < 0,005. Resultados: Los resultados del análisis densitométrico muestran una relación inversa entre la expresión de YY-1 y Fas. Se agrupó YY-1, de acuerdo con la intensidad de su expresión, en baja, moderada y alta para poder compararla con la expresión de Fas. Las biopsias de nefritis lúpica que mostraron alta expresión de YY-1 correspondieron a pacientes con menor número de complicaciones clínicas, mejor desenlace y menor número de alteraciones en la función renal. En Correspondence: Dra. S. Huerta Yepez. Unidad de Investigación Médica en Inmunología e Infectología. Hospital de Infectología. Centro Médico Nacional La Raza. IMSS. UMAE. Calzada Vallejo, s/n, esq. Jacarandas. Colonia La Raza. 02990 Azcapozalco. México DF. México. E-mail: [email protected]
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تاریخ انتشار 2017