NDT Advance Access originally published online on July 20, 2006
Nephrology Dialysis Transplantation 2006 21(10):2708-2717; doi:10.1093/ndt/gfl346
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© The Author [2006]. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org
Recent advances in understanding the clinical and genetic heterogeneity of Dent's disease
1Department of Clinical Biochemistry, University of Bonn, Bonn 2Department of Pediatrics, University of Erlangen-Nuremberg, Erlangen, Germany and 3Department of Pediatric Nephrology, University Medical Center Nijmegen, Nijmegen, The Netherlands
Correspondence and offprint requests to: Michael Ludwig, PhD, Department of Clinical Biochemistry, University of Bonn, Sigmund-Freud-Str. 25, D-53105 Bonn, Germany. Email: mludwig@uni-bonn.de
Keywords: CLCN5; Dent's disease 1; Dent's disease 2; intercalated cells; low molecular-weight proteinuria; proximal tubule; voltage-gated chloride channel and chloride/proton exchanger (ClC-5)
| The first 150 words of the full text of this article appear below. |
| Introduction |
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Dent's disease 1 (OMIM 300009 [OMIM] ) is an X-linked proximal tubulopathy [1] first described in 1964 [2], with Fanconi syndrome, a consistent renal abnormality, and low-molecular-weight proteinuria (LMWP) being almost always present. Nephrocalcinosis and renal stone formation occur more frequently in Dent's disease 1 than in other forms of Fanconi syndrome.
Various features of Dent's disease 1 predominate in different ethnic groups, and have been noted in earlier reports, resulting in several syndrome names of phenotypically similar disorders. These were referred to as X-linked recessive hypophosphataemic rickets (XLRH), X-linked recessive nephrolithiasis (XRN) and familial idiopathic LMWP in Japanese patients (JILMWP), often referred to as Dent's Japan disease [3,4]. All of these are now considered phenotypic variants of one unique entity, namely Dent's disease 1 [5,6].
| Clinical features of Dent's disease 1 |
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Dent's disease 1 commonly presents in childhood or early adult life with symptoms
| Dent's disease 1 and the CLCN5 gene |
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| Dent's disease 2 |
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| Dent's diseasea polygenic disorder? |
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| Expression and localization of ClC-5 |
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| Structure and function of ClC-5 |
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| CLCN5 knock-out mice |
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Consequences for the acidification of the lysosome
Relation between decreased acidification of the lysosome and the basic defect of ClC-5
Consequences for the proximal tubule
Consequences for the reabsorption of peptides/proteins, phosphate, amino acids and glucose
Consequences for the medullary thick ascending limb
Consequences for
-intercalated cellsConsequences for the thyroid gland
Consequences for the intestine
| Possible treatments for Dent's diseases |
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| Phenotypic overlap in Dent's disease 1, Dent's disease 2 and Lowe syndrome |
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