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Effect of integrin-linked kinase on renal tubular epithelial cell transdifferentiation in diabetic rats / 中南大学学报(医学版)
Journal of Central South University(Medical Sciences) ; (12): 104-108, 2007.
Artículo en Chino | WPRIM | ID: wpr-813928
ABSTRACT
OBJECTIVE@#To determine the effect of integrin-linked kinase(ILK) in renal tubular epithelial cells and its relation to tubular epithelial-myofibroblast transdifferentiation.@*METHODS@#Wistar rats were randomly divided into 3 groups, Group normal control (n=10), Group diabetic without therapy(n=10) and Group diabetic with Losartan 20mg/(kg . d)(n=10). Five rats were killed in each group at the 8th and 16th week. The left kidneys were kept for HE and Masson staining to observe the pathological variations in the renal interstitium. ILK, alpha-SMA and Vimentin in renal tubular epithelial cells were detected by immunohistochemistry analysis.@*RESULTS@#Compared with the control group, ILK, alpha-SMA and Vimentin in renal tubular epithelial cells in Group diabetes gradually increased in immunohistochemistry (P<0.01); ILK was consistent with the pathological variation of renal interstitium and was positively correlated to alpha-SMA(rs=0.621, P<0.05). In comparison with the Group diabetes, the expression of ILK, alpha-SMA and Vimentin in renal tubular epithelial cells was apparently declined (P<0.01) in Group diabetes with Losartan.@*CONCLUSION@#Tubular epithelial myofibroblast transdifferentiation and the over-expression of ILK, between which there may be significant connections, are important events in the progression of diabetic nephropathy. Losartan, a blocker of angiotension II type I receptor, which may down-regulate the expression of ILK in diabetic renal tubular epithelial cells, can restrain the procession of epithelial-myofibroblast transdifferentiation.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Patología / Farmacología / Vimentina / Inmunohistoquímica / Distribución Aleatoria / Actinas / Ratas Wistar / Proteínas Serina-Treonina Quinasas / Losartán / Usos Terapéuticos Límite: Animales Idioma: Chino Revista: Journal of Central South University(Medical Sciences) Año: 2007 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Patología / Farmacología / Vimentina / Inmunohistoquímica / Distribución Aleatoria / Actinas / Ratas Wistar / Proteínas Serina-Treonina Quinasas / Losartán / Usos Terapéuticos Límite: Animales Idioma: Chino Revista: Journal of Central South University(Medical Sciences) Año: 2007 Tipo del documento: Artículo