Nephrol Dial Transplant (2000) 15: 747-750
© 2000 European Renal Association-European Dialysis and Transplant Association
Editorial Comments
Transepithelial chloride secretion and cystogenesis in autosomal dominant polycystic kidney disease
Division of Nephrology, Université Catholique de Louvain, Medical School, Brussels, Belgium
Introduction
Autosomal dominant polycystic kidney disease (ADPKD) is one of the most common monogenic hereditary diseases (prevalence 1 : 4001 : 1000). It is characterized by the development of multiple cysts in both kidneys. These cysts grow slowly but steadily, inducing a progressive renal insufficiency which leads, in about half of the patients, to end-stage renal failure at a mean of 55 years. In Western Europe and North America, ADPKD is responsible for 410% of the patients requiring renal replacement therapy. Several extrarenal manifestations, including extrarenal cysts, cardiac valvular abnormalities, and arterial aneurysms, contribute to the morbidity and mortality of the disease. Treatment of ADPKD is currently restricted to the control of associated complications such as hypertension or infection [1].
Linkage to two loci named PKD1 and PKD2 was found in about 85 and 15% of the families affected with ADPKD respectively. A third locus is probably involved in
Transepithelial fluid secretion in ADPKD cysts
Molecular identification of chloride transporters
A model of intracystic fluid secretion
Regulation of cyst fluid accumulation
Towards modifier genes
Conclusion, questions, and perspectives
Acknowledgments
Notes
References
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