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Iranian Journal of Kidney Diseases، جلد ۷، شماره ۵، صفحات ۳۵۷-۰
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عنوان انگلیسی NPHS2 Gene in Steroid-resistant Nephrotic Syndrome: Prevalence, Clinical Course, and Mutational Spectrum in South-West Iranian Children
چکیده انگلیسی مقاله Introduction. Mutations in podocin ( NPHS2 ) gene have the key role in the pathogenesis of steroid-resistant nephrotic syndrome (SRNS) in children, but data is scarce regarding their prevalence and natural course among different all ethnic groups. This study was aimed to demonstrate the spectrum of NPHS2 mutations in children with SRNS and to compare the clinical course of disease in patients with and without mutation. Materials and Methods. All 8 exons of NPHS2 were sequenced in 99 children, including 49 with SRNS and 50 with steroid-sensitive nephrotic syndrome (control group) by DNA sequencing. Results. The prevalence rates of NPHS2 gene mutation among children with SRNS and SSNS were 31% and 4%, respectively. The prevalence rates of mutation among familial and sporadic forms were 57% and 26%, respectively. Thirty-three percent of the children experienced recurrence of primary disease after kidney transplantation, none of whom had a mutation. The clinical response to treatment was poorer in children with mutation in comparison with patients without mutation (12% versus 32%, respectively; odds ratio, 3.29, 95% confidence interval, 0.40 to 25.64). Patients with and without mutation could not be differentiated by demographic and histological features, glomerular filtration rate at onset, hypertension, progression to end-stage renal disease, and proteinuria. Conclusions. Mutations of NPHS2 gene are frequent among Iranian children with SRNS. Regarding similar clinical features in patients with and without mutation and poor response to pharmacotherapy in patients with mutation, a molecular approach might be necessary for different treatment plans and prediction of prognosis.
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نویسندگان مقاله میترا بصیرت نیا | mitra basiratnia


مجید یاوریان | majid yavarian


سیمین ترابی نژاد | simin torabinezhad


اسما ارجایی | asma erjaee


نشانی اینترنتی http://www.ijkd.org/index.php/ijkd/article/view/921
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده ORIGINAL | Kidney Diseases
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