| Title | Claps | Level | Year | L/Y |
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Rat models of autosomal dominant polycystic kidney disease.
11 auth. N. Gretz, B. Kränzlin, R. Pey, G. Schieren, J. Bach, N. Obermüller, ...
Several rat models of polycystic kidney disease (PKD) have been published. The only rat model of autosomal dominant polycystic kidney disease currently used is the so-called Hannover rat (Han:SPRD cy/+). This model is characterized by a slow progres…
Several rat models of polycystic kidney disease (PKD) have been published. The only rat model of autosomal dominant polycystic kidney disease currently used is the so-called Hannover rat (Han:SPRD cy/+). This model is characterized by a slow progression of uraemia, proteinuria and hyperlipidaemia. Histological changes clearly resemble those seen is human PKD. The localization of Na+/K(+)-ATPase correlating with the phenotype of the cysts--basal in moderately expanded and apical in highly expanded cysts--suggests that the mislocation of the Na+/K(+)-ATPase is involved in the mechanism of cyst expansion rather than formation, and a consequence of cell dedifferentiation rather than an initial event. Of note is a considerable gender difference in disease severity. Disease anticipation or genetic imprinting does not occur. In addition to gender, a number of interventions influence the progression rate: acceleration is noted after unilateral nephrectomy, the induction of acidosis, chloride feeding or an increased protein intake; slowing down of the course occurs after the induction of alkalosis and castration, and after treatment with lovastatin and methylprednisolone. Thus the Han:SPRD cy/+ rat represents the only well-documented rat model of autosomal dominant PKD resembling a number of features of the human disease.
Published in
Nephrology, Dialysis and Transplantation
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5
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5 | 1996 |
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