Nephrol Dial Transplant (2003) 18: 2211-2215
© 2003 European Renal Association-European Dialysis and Transplant Association
Editorial Comment
Autosomal dominant polycystic kidney disease: modifier genes and endothelial dysfunction
Department of Nephrology, Université catholique de Louvain Medical School, Brussels, Belgium
Correspondence and offprint requests to: Olivier Devuyst, Division of Nephrology, UCL Medical School, 10 Avenue Hippocrate, B-1200 Brussels, Belgium. Email: devuyst@nefr.ucl.ac.be
Keywords: endothelium; modifying genes; nitric oxide; polycystic kidney disease; polycystins
| The first 150 words of the full text of this article appear below. |
Autosomal dominant polycystic kidney disease (ADPKD) is characterized by the development of multiple cysts in both kidneys, causing progressive renal failure. By the age of 60 years, about half the patients with ADPKD have end-stage renal disease (ESRD). In Europe and North America, ADPKD is responsible for 510% of the patients requiring renal replacement therapy [1]. ADPKD is also characterized by extrarenal manifestations (e.g. intracranial aneurysms or liver cysts) and hypertension. The latter occurs in 5070% of patients, even before any reduction in renal function [1]. Mutations in two genes, PKD1 and PKD2, are responsible for
85% and 15% of ADPKD cases, respectively. The proteins encoded by PKD1 (polycystin-1) and PKD2 (polycystin-2) interact in the plasma membrane to participate in signalling pathways that regulate renal tubular cell maturation [2]. In this comment, we will discuss the role and potential implications of disease-modifying genes
ADPKD is characterized by variable renal disease progression
Evidence supporting the role of modifier genes in ADPKD
Candidate modifier genes in ADPKD
Endothelial dysfunction in ADPKD
NO and endothelial NO synthase
Modifier effect of ENOS in ADPKD
Conclusions and perspectives
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