PMID: 20654030Jul 27, 2010Paper

Clinical and genetic analysis of Dent' s disease in 6 Chinese children with low molecular weight proteinuria

Zhonghua er ke za zhi. Chinese journal of pediatrics
Bi-zhen ZhuJian-Ping Huang

Abstract

To analyze the clinical features and gene mutations of 6 Chinese children with Dent's disease. The clinical and laboratory data of 6 children with Dent's disease were summarized. CLCN5 gene was analyzed using PCR amplification and DNA sequencing. All the six patients presented with low molecular weight proteinuria and hypercalciuria, including 3/6 hematuria, 4/6 nephrocalcinosis, 3/6 hypophosphatemia, 1/6 rickets. Six mutations of the CLCN5 gene were revealed, including L594fsX595, R637X, R467X, IVS4-2A > G, S244L and V505G. The mutation L594fsX595, IVS4-2A > G and V505G was never reported before. Low molecular weight proteinuria and hypercalciuria were the main clinical features of the six Chinese boys with Dent's disease. Dent's disease could be associated with a Bartter-like syndrome, which make the gene diagnosis more important.

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