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01-02-2009 | Original Article

Genetic forms of nephrotic syndrome: a single-center experience in Brussels

Authors: Khalid Ismaili, Karl Martin Wissing, Françoise Janssen, Michelle Hall

Published in: Pediatric Nephrology | Issue 2/2009

Abstract

The aim of the study was to present our experience in treating children with genetic forms of nephrotic syndrome and diagnosing these diseases. We retrospectively reviewed the clinical data, mutational analyses, histopathological features, treatment modalities, and outcome of 26 consecutive children (20 families) suffering from congenital and/or steroid-resistant nephrotic syndrome who were assessed by genetic analysis. Ten out of 26 children (38%) had congenital nephrotic syndrome, 4/26 (15%) had infantile nephrotic syndrome, 10/26 (38%) had late-onset nephrotic syndrome, and 2/26 (9%) had asymptomatic proteinuria. We detected a mutation in 21/26 (81%) patients and in 15/20 (75%) families. NPHS1 mutation analyses were positive in 4/20 (20%), NPHS2 mutations in 4/20 (20%), WT1 mutations in 4/20 (20%), and PLCE1 mutations in 3/20 (15%) families. NPHS1 and PLCE1 mutations were solely found in patients with the earliest onset. The majority of patients, especially those with early onset of nephrotic syndrome, had serious adverse events related to the nephrotic status, and 19/26 (73%) reached end-stage renal failure at a median age of 27 months. Genetic forms of nephrotic syndrome comprise a heterogeneous group of genetic mutations. The progression toward end-stage renal failure is the rule but is highly variable between patients.

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Title: Genetic forms of nephrotic syndrome: a single-center experience in Brussels
Authors: Khalid Ismaili
Karl Martin Wissing
Françoise Janssen
Michelle Hall
Publication date: 01-02-2009
Publisher: Springer Berlin Heidelberg
Published in: Pediatric Nephrology / Issue 2/2009
Print ISSN: 0931-041X
Electronic ISSN: 1432-198X
DOI: https://doi.org/10.1007/s00467-008-0953-4

At a glance: The STEP trials

Springer Medicine

Genetic forms of nephrotic syndrome: a single-center experience in Brussels

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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