Document Detail


NPHS2 mutations in children with steroid-resistant nephrotic syndrome.
MedLine Citation:
PMID:  19395786     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: Congenital nephrotic syndrome may be caused by mutations in NPHS1 and NPHS2, which encode nephrin and podocin, respectively. Since the identification of the NPHS2 gene, various investigators have demonstrated that its mutation is an important cause of steroid-resistant nephrotic syndrome. We aimed to evaluate frequency and spectrum of podocin mutations in the Iranian children with steroid-resistant nephritic syndrome. MATERIALS AND METHODS: We examined 20 children with steroid-resistant nephritic syndrome referred to Ali Asghar Children's Hospital, in Tehran, Iran. Mutations in the 5th and 7th exons of NPHS2 were assessed. The mutational analysis of NPHS2 was performed by DNA sequencing. RESULTS: The mean age at the onset of proteinuria was 6.4 +/- 3.6 years. None of the children had mutations in the exons 5 or 7. CONCLUSIONS: Our study suggests that NPHS2 mutations in exons 5 and 7 are not seen in our children. Therefore, we cannot recommend NPHS2 (exons 5 and 7) mutation for screening in Iranian children with steroid-resistant nephritic syndrome. Other exons of podocin or other podocyte proteins in Iranian children may play a role in pathogenesis of steroid-resistant nephritic syndrome.
Authors:
Hasan Otukesh; Behzad Ghazanfari; Seyed-Mohammad Fereshtehnejad; Masoomeh Bakhshayesh; Mehrdad Hashemi; Rozita Hoseini; Majid Chalian; Arezoo Salami; Leila Mehdipor; Aysan Rahiminia
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Iranian journal of kidney diseases     Volume:  3     ISSN:  1735-8582     ISO Abbreviation:  Iran J Kidney Dis     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-04-27     Completed Date:  2009-08-04     Revised Date:  2010-03-24    
Medline Journal Info:
Nlm Unique ID:  101316967     Medline TA:  Iran J Kidney Dis     Country:  Iran    
Other Details:
Languages:  eng     Pagination:  99-102     Citation Subset:  IM    
Affiliation:
Division of PediatricNephrology, Ali-AsgharChildren's Hospital, IranUniversity of Medical Sciences, Tehran, Iran.
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MeSH Terms
Descriptor/Qualifier:
Child
Child, Preschool
Drug Resistance
Exons
Female
Glucocorticoids / pharmacology*
Humans
Infant
Intracellular Signaling Peptides and Proteins / genetics*
Iran
Male
Membrane Proteins / genetics*
Mutation*
Nephrotic Syndrome / drug therapy*,  genetics*
Prospective Studies
Sequence Analysis, DNA
Chemical
Reg. No./Substance:
0/Glucocorticoids; 0/Intracellular Signaling Peptides and Proteins; 0/Membrane Proteins; 0/NPHS2 protein

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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