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"Dent's disease"

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https://www.readbyqxmd.com/read/29849040/congenital-chloride-diarrhea-needs-to-be-distinguished-from-bartter-and-gitelman-syndrome
#1
Natsuki Matsunoshita, Kandai Nozu, Masahide Yoshikane, Azusa Kawaguchi, Naoya Fujita, Naoya Morisada, Shingo Ishimori, Tomohiko Yamamura, Shogo Minamikawa, Tomoko Horinouchi, Keita Nakanishi, Junya Fujimura, Takeshi Ninchoji, Ichiro Morioka, Hiroaki Nagase, Mariko Taniguchi-Ikeda, Hiroshi Kaito, Kazumoto Iijima
Pseudo-Bartter/Gitelman syndrome (p-BS/GS) encompasses a clinically heterogeneous group of inherited or acquired disorders similar to Bartter syndrome (BS) or Gitelman syndrome (GS), both renal salt-losing tubulopathies. Phenotypic overlap frequently occurs between p-BS/GS and BS/GS, which are difficult to diagnose based on their clinical presentation and require genetic tests for accurate diagnosis. In addition, p-BS/GS can occur as a result of other inherited diseases such as cystic fibrosis, autosomal dominant hypocalcemia, Dent disease, or congenital chloride diarrhea (CCD)...
May 30, 2018: Journal of Human Genetics
https://www.readbyqxmd.com/read/29791050/a-novel-clcn5-pathogenic-mutation-supports-dent-disease-with-normal-endosomal-acidification
#2
Yohan Bignon, Alexi Alekov, Nadia Frachon, Olivier Lahuna, Carine Jean-Baptiste Doh-Egueli, Georges Deschênes, Rosa Vargas-Poussou, Stéphane Lourdel
Dent disease in an X-linked recessive renal tubular disorder characterized by low-molecular-weight proteinuria, hypercalciuria, nephrolithiasis, nephrocalcinosis and progressive renal failure. Inactivating mutations of CLCN5, the gene encoding the 2Cl- /H+ exchanger ClC-5 have been reported in patients with Dent disease 1. In vivo studies in mice harboring an artificial mutation in the "gating glutamate" of ClC-5 (c.632A > C, p.Glu211Ala) and mathematical modeling suggest that endosomal chloride concentration could be an important parameter in endocytosis, rather than acidification as earlier hypothesized...
May 23, 2018: Human Mutation
https://www.readbyqxmd.com/read/29783585/re-dent-disease
#3
Dean G Assimos
No abstract text is available yet for this article.
June 2018: Journal of Urology
https://www.readbyqxmd.com/read/29756720/a-novel-mutation-of-dent-s-disease-in-an-11-year-old-male-with-nephrolithiasis-and-nephrocalcinosis
#4
Ozlem Sancakli, Bahar Kulu, Onur Sakallioglu
Dent's disease is a rare X-linked recessive tubulopathy characterized by low molecular weight (LMW) proteinuria, hypercalciuria, nephrolcalcinosis or nephrolithiasis, proximal tubular dysfunction and renal failure in adulthood. Females are carriers and usually mildly affected. Progression to endstage renal failure are at the 3rd-5th decades of life in 30-80% of affected males. In the absence of therapy targeting for the molecular defect, the current care of patients with Dent's disease is supportive, focusing on the prevention of nephrolithiasis and nephrocalcinosis...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29614570/-clinical-features-and-genetic-variants-of-dent-disease-in-10-children
#5
S L Zhao, F Zhao, Y G Sha, Q X Chen, X Q Cheng, S M Huang
Objective: To summarize the clinical features and genetic analysis results of 10 children with Dent disease. Methods: The clinical data and gene test results of 10 boys aged from 8 months to 12 years with Dent disease diagnosed in Children's Hospital of Nanjing Medical University from January 2014 to July 2017 were analyzed retrospectively. Results: All patients had insidious onset, 5 cases were found to have proteinuria on routine urine examination after hospitalization duo to other diseases, 4 cases were admitted to hospital because increased foams in the urine, and 1 case was found to have proteinuria on health checkup...
April 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29552446/the-ratio-of-urinary-%C3%AE-1-microglobulin-to-microalbumin-can-be-used-as-a-diagnostic-criterion-for-tubuloproteinuria
#6
Hongwen Zhang, Fang Wang, Huijie Xiao, Yong Yao
Low-molecular-weight proteinuria is one of the characteristic clinical manifestations of renal tubular and interstitial diseases. Low-molecular-weight proteinuria is defined as excessive urinary loss of α1-microglobulin, β2-microglobulin, or other low-molecular-weight plasma proteins. The current study examined the ratio of urinary α1-microglobulin to microalbumin in 24 Chinese pediatric patients with renal tubular and interstitial diseases, including 10 patients with Dent disease, 2 patients with Lowe syndrome, 6 patients with acute tubulointerstitial nephritis (ATIN), 4 patients with acute tubulointerstitial nephritis with uveitis syndrome (TINU), and 2 patients with nephronophthisis (NPHP)...
February 2018: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/29459630/development-of-ultra-deep-targeted-rna-sequencing-for-analyzing-x-chromosome-inactivation-in-female-dent-disease
#7
Shogo Minamikawa, Kandai Nozu, Yoshimi Nozu, Tomohiko Yamamura, Mariko Taniguchi-Ikeda, Keita Nakanishi, Junya Fujimura, Tomoko Horinouchi, Yuko Shima, Koichi Nakanishi, Masuji Hattori, Kyoko Kanda, Ryojiro Tanaka, Naoya Morisada, China Nagano, Nana Sakakibara, Hiroaki Nagase, Ichiro Morioka, Hiroshi Kaito, Kazumoto Iijima
The pattern of X-chromosome inactivation (XCI) can affect the clinical severity of X-linked disorders in females. XCI pattern analysis has been conducted mainly by HUMARA assay, a polymerase chain reaction-based assay using a methylation-sensitive restriction enzyme. However, this assay examines the XCI ratio of the androgen receptor gene at the genomic DNA level and does not reflect the ratio of either targeted gene directly or at the mRNA level. Here, we report four females with Dent disease, and we clarified the correlation between XCI and female cases of Dent disease using not only HUMARA assay but also a novel analytical method by RNA sequencing...
May 2018: Journal of Human Genetics
https://www.readbyqxmd.com/read/29430722/patients-affected-by-dent-disease-2-could-be-predisposed-to-hidradenitis-suppurativa
#8
LETTER
P Marzuillo, V Piccolo, M Mascolo, A Apicella, G Argenziano, N Della Vecchia, S Guarino, E Miraglia Del Giudice, A La Manna
No abstract text is available yet for this article.
February 11, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29391272/identification-of-co-occurrence-in-a-patient-with-dent-s-disease-and-ada2-deficiency-by-exome-sequencing
#9
Roman Günthner, Matias Wagner, Tobias Thurm, Sabine Ponsel, Julia Höfele, Bärbel Lange-Sperandio
Patients with co-occurrence of two independent pathologies pose a challenge for clinicians as the phenotype often presents as an unclear syndrome. In these cases, exome sequencing serves as a powerful instrument to determine the underlying genetic causes. Here, we present the case of a 4-year old boy with proteinuria, microhematuria, hypercalciuria, nephrocalcinosis, livedo-like rash, recurrent abdominal pain, anemia and continuously elevated CRP. Single exome sequencing revealed the pathogenic nonsense mutation p...
April 5, 2018: Gene
https://www.readbyqxmd.com/read/29058463/genetic-analysis-of-dent-s-disease-and-functional-research-of-clcn5-mutations
#10
Ya Zhang, Xiaoyan Fang, Hong Xu, Qian Shen
Dent's disease is an X-linked inherited renal disease. Patients with Dent's disease often carry mutations in genes encoding the Cl-/H+ exchanger ClC-5 and/or inositol polyphosphate 5-phosphatase (OCRL1). However, the mutations involved and the biochemical effects of these mutations are not fully understood. To characterize genetic changes in Dent's disease patients, in this study, samples from nine Chinese patients were subjected to genetic analysis. Among the nine patients, six were classified as having Dent-1 disease, one had Dent-2 disease, and two could not be classified...
December 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28815356/dent-disease-in-poland-what-we-have-learned-so-far
#11
Marcin Zaniew, Małgorzata Mizerska-Wasiak, Iga Załuska-Leśniewska, Piotr Adamczyk, Katarzyna Kiliś-Pstrusińska, Adam Haliński, Jan Zawadzki, Beata S Lipska-Ziętkiewicz, Krzysztof Pawlaczyk, Przemysław Sikora, Michael Ludwig, Maria Szczepańska
PURPOSE: Dent disease (DD) is a rare tubulopathy characterized by proximal tubular dysfunction leading to chronic kidney disease (CKD). The aim of the study was to characterize patients with DD in Poland. METHODS: A retrospective analysis of a national cohort with genetically confirmed diagnosis. RESULTS: Of 24 males, all patients except one carried mutations in the CLCN5 gene; in one patient a mutation in the OCRL gene was disclosed. Molecular diagnosis was delayed 1 year on average (range 0-21 years)...
November 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28669993/the-5-phosphatase-ocrl-in-lowe-syndrome-and-dent-disease-2
#12
REVIEW
Maria Antonietta De Matteis, Leopoldo Staiano, Francesco Emma, Olivier Devuyst
Lowe syndrome is an X-linked disease that is characterized by congenital cataracts, central hypotonia, intellectual disability and renal Fanconi syndrome. The disease is caused by mutations in OCRL, which encodes an inositol polyphosphate 5-phosphatase (OCRL) that acts on phosphoinositides - quantitatively minor constituents of cell membranes that are nonetheless pivotal regulators of intracellular trafficking. In this Review we summarize the considerable progress made over the past decade in understanding the cellular roles of OCRL in regulating phosphoinositide balance along the endolysosomal pathway, a fundamental system for the reabsorption of proteins and solutes by proximal tubular cells...
August 2017: Nature Reviews. Nephrology
https://www.readbyqxmd.com/read/28580211/dent-disease-same-clcn5-mutation-but-different-phenotypes-in-two-brothers-in-china
#13
Hongwen Zhang, Fang Wang, Huijie Xiao, Yong Yao
Dent disease is an X-linked recessive proximal tubular disorder that affects mostly male patients in childhood or early adult life, caused by mutations in CLCN5 (Dent disease 1) or OCRL (Dent disease 2) genes, respectively. It presents mainly with hypercalciuria, low-molecular-weight proteinuria, nephrocalcinosis and progressive renal failure. We report here the same CLCN5 mutation but different phenotypes in two Chinese brothers, and speculate on the possible reasons for the variability of the genotype-phenotype correlations...
May 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28386229/clc-channels-and-transporters-structure-physiological-functions-and-implications-in-human-chloride-channelopathies
#14
REVIEW
Diogo R Poroca, Ryan M Pelis, Valérie M Chappe
The discovery of ClC proteins at the beginning of the 1990s was important for the development of the Cl(-) transport research field. ClCs form a large family of proteins that mediate voltage-dependent transport of Cl(-) ions across cell membranes. They are expressed in both plasma and intracellular membranes of cells from almost all living organisms. ClC proteins form transmembrane dimers, in which each monomer displays independent ion conductance. Eukaryotic members also possess a large cytoplasmic domain containing two CBS domains, which are involved in transport modulation...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28357180/diagnosis-and-treatment-of-dent-disease-in-10-chinese-boys
#15
Guohua He, Hongwen Zhang, Fang Wang, Xiaoyu Liu, Huijie Xiao, Yong Yao
Dent disease is a rare X-linked recessive proximal tubular disorder that affects mostly male patients in childhood or early adult life. Dent disease is clinically characterized by the presence of low molecular weight proteinuria (LMWP), hypercalciuria, medullary nephrocalcinosis, nephrolithiasis, and progressive renal failure. The clinical features, diagnosis, and treatment of Dent disease were examined in 10 Chinese boys. All 10 childhood cases of Dent disease in China presented with tubular proteinuria in the nephrotic range and hypercalciuria...
February 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28314577/nanotubes-the-fast-track-to-treatment-of-dent-disease
#16
COMMENT
Thomas E Willnow
Studies in mice have suggested bone marrow transplantation as a strategy to correct the endocytic dysfunction of the proximal tubules in renal Fanconi syndrome, yet the mode of action has remained mysterious. Using a mouse model of Dent disease, Gabriel et al. now show that rescue of the resorptive capacity in the diseased kidney involves cell-to-cell contact between engrafted and host cells via nanotubes, cellular projections that enable transfer of wild-type activity into mutant cells of the proximal tubule...
April 2017: Kidney International
https://www.readbyqxmd.com/read/28203565/tubular-dysfunction-mimicking-dent-s-disease-in-2-infants-born-with-extremely-low-birth-weight
#17
Midori Awazu, Mie Arai, Shoko Ohashi, Hirotaka Takahashi, Takashi Sekine, Kazushige Ikeda
Two preterm infants, with extremely low birth weight born at gestational weeks 24 and 25, showed generalized proximal tubular dysfunction during their stay in the neonatal intensive care unit, including glucosuria, low molecular weight proteinuria, phosphaturia, uricosuria, enzymuria (elevated urine N-acetyl-β-D-glucosaminidase), panaminoaciduria, and hypercalciuria, associated with renal calcification. Renal tubular acidosis was not present in either patient. DNA mutation analysis for Dent's disease, performed in patient 1, was negative...
January 2017: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/28143656/bone-marrow-transplantation-improves-proximal-tubule-dysfunction-in-a-mouse-model-of-dent-disease
#18
Sarah S Gabriel, Hendrica Belge, Alkaly Gassama, Huguette Debaix, Alessandro Luciani, Thomas Fehr, Olivier Devuyst
Dent disease is a rare X-linked tubulopathy caused by mutations in the endosomal chloride-proton exchanger (ClC-5) resulting in defective receptor-mediated endocytosis and severe proximal tubule dysfunction. Bone marrow transplantation has recently been shown to preserve kidney function in cystinosis, a lysosomal storage disease causing proximal tubule dysfunction. Here we test the effects of bone marrow transplantation in Clcn5Y/- mice, a faithful model for Dent disease. Transplantation of wild-type bone marrow in Clcn5Y/- mice significantly improved proximal tubule dysfunction, with decreased low-molecular-weight proteinuria, glycosuria, calciuria, and polyuria four months after transplantation, compared to Clcn5Y/- mice transplanted with ClC-5 knockout bone marrow...
April 2017: Kidney International
https://www.readbyqxmd.com/read/28101447/functional-coupling-of-v-atpase-and-clc-5
#19
REVIEW
Nobuhiko Satoh, Masashi Suzuki, Motonobu Nakamura, Atsushi Suzuki, Shoko Horita, George Seki, Kyoji Moriya
Dent's disease is an X-linked renal tubulopathy characterized by low molecular weight proteinuria, hypercalciuria and progressive renal failure. Disease aetiology is associated with mutations in the CLCN5 gene coding for the electrogenic 2Cl(-)/H(+) antiporter chloride channel 5 (CLC-5), which is expressed in the apical endosomes of renal proximal tubules with the vacuolar type H(+)-ATPase (V-ATPase). Initially identified as a member of the CLC family of Cl(-) channels, CLC-5 was presumed to provide Cl(-) shunt into the endosomal lumen to dissipate H(+) accumulation by V-ATPase, thereby facilitating efficient endosomal acidification...
January 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28018608/digenic-mutations-of-human-ocrl-paralogs-in-dent-s-disease-type-2-associated-with-chiari-i-malformation
#20
Daniel Duran, Sheng Chih Jin, Tyrone DeSpenza, Carol Nelson-Williams, Andrea G Cogal, Elizabeth W Abrash, Peter C Harris, John C Lieske, Serena Je Shimshak, Shrikant Mane, Kaya Bilguvar, Michael L DiLuna, Murat Günel, Richard P Lifton, Kristopher T Kahle
OCRL1 and its paralog INPP5B encode phosphatidylinositol 5-phosphatases that localize to the primary cilium and have roles in ciliogenesis. Mutations in OCRL1 cause the X-linked Dent disease type 2 (DD2; OMIM# 300555), characterized by low-molecular weight proteinuria, hypercalciuria, and the variable presence of cataracts, glaucoma and intellectual disability without structural brain anomalies. Disease-causing mutations in INPP5B have not been described in humans. Here, we report the case of an 11-year-old boy with short stature and an above-average IQ; severe proteinuria, hypercalciuria and osteopenia resulting in a vertebral compression fracture; and Chiari I malformation with cervico-thoracic syringohydromyelia requiring suboccipital decompression...
2016: Human Genome Variation
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