Nephrol Dial Transplant (2000) 15: 1897-1900
© 2000 European Renal Association-European Dialysis and Transplant Association
Editorial Comments
Familial steroid-resistant nephrotic syndromes: recent advances
University Children's Hospitals of Freiburg and Heidelberg, Germany
Introduction
Nephrotic syndrome (NS) usually occurs as a sporadic disease, but familial cases have frequently been reported. The first observation in six families with 13 affected siblings was reported by Fanconi et al. [1]. Larger population studies have been published since 1970 [24]; whereas only some of the reported families presented with steroid-sensitive NS, the majority presented with steroid-resistant NS. In most of the patients with primary steroid-resistant NS, focal segmental glomerulosclerosis (FSGS) was demonstrated by renal biopsy. Despite uniform renal histological findings, heterogeneous pathogenesis had been suspected, but it is only during the last 5 years that several genes have been localized which have allowed a more precise classification of FSGS and steroid-resistant NS. Recently the gene for steroid-resistant NS (NPHS2) was cloned [5], which is an important step in understanding the pathogenesis of NS in general and NPHS2 in particular.
Familial idiopathic nephrotic syndrome
Congenital nephrotic syndrome of the Finnish type
Nephrotic syndrome and WT1 mutations
Lessons from the genetic studies in steroid resistant NS
Notes
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