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Markers of bone metabolism are affected by renal function and growth hormone therapy in children with chronic kidney disease
A. Doyon, DC. Fischer, AK. Bayazit, N. Canpolat, A. Duzova, B. Sözeri, J. Bacchetta, A. Balat, A. Büscher, C. Candan, N. Cakar, O. Donmez, J. Dusek, M. Heckel, G. Klaus, S. Mir, G. Özcelik, L. Sever, R. Shroff, E. Vidal, E. Wühl, M. Gondan, A....
Jazyk angličtina Země Spojené státy americké
Typ dokumentu klinické zkoušky, časopisecké články, multicentrická studie, práce podpořená grantem
NLK
Directory of Open Access Journals
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od 2006-10-01
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od 2008-01-01
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od 2006-12-01
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- MeSH
- alkalická fosfatasa krev MeSH
- biologické markery krev MeSH
- chronická renální insuficience * krev patofyziologie MeSH
- dítě MeSH
- fibroblastové růstové faktory krev MeSH
- genetické markery MeSH
- izoenzymy krev MeSH
- kosti a kostní tkáň metabolismus MeSH
- kostní morfogenetické proteiny krev MeSH
- kyselá fosfatasa krev MeSH
- lidé MeSH
- lidský růstový hormon aplikace a dávkování MeSH
- mladiství MeSH
- vyšetření funkce ledvin MeSH
- Check Tag
- dítě MeSH
- lidé MeSH
- mladiství MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- klinické zkoušky MeSH
- multicentrická studie MeSH
- práce podpořená grantem MeSH
OBJECTIVES: The extent and relevance of altered bone metabolism for statural growth in children with chronic kidney disease is controversial. We analyzed the impact of renal dysfunction and recombinant growth hormone therapy on a panel of serum markers of bone metabolism in a large pediatric chronic kidney disease cohort. METHODS: Bone alkaline phosphatase (BAP), tartrate-resistant acid phosphatase 5b (TRAP5b), sclerostin and C-terminal FGF-23 (cFGF23) normalized for age and sex were analyzed in 556 children aged 6-18 years with an estimated glomerular filtration rate (eGFR) of 10-60 ml/min/1.73 m2. 41 children receiving recombinant growth hormone therapy were compared to an untreated matched control group. RESULTS: Standardized levels of BAP, TRAP5b and cFGF-23 were increased whereas sclerostin was reduced. BAP was correlated positively and cFGF-23 inversely with eGFR. Intact serum parathormone was an independent positive predictor of BAP and TRAP5b and negatively associated with sclerostin. BAP and TRAP5B were negatively affected by increased C-reactive protein levels. In children receiving recombinant growth hormone, BAP was higher and TRAP5b lower than in untreated controls. Sclerostin levels were in the normal range and higher than in untreated controls. Serum sclerostin and cFGF-23 independently predicted height standard deviation score, and BAP and TRAP5b the prospective change in height standard deviation score. CONCLUSION: Markers of bone metabolism indicate a high-bone turnover state in children with chronic kidney disease. Growth hormone induces an osteoanabolic pattern and normalizes osteocyte activity. The osteocyte markers cFGF23 and sclerostin are associated with standardized height, and the markers of bone turnover predict height velocity.
Clinic of Pediatric Nephrology Charite Children's Hospital Berlin Germany
Department of Pediatric Kidney Liver and Metabolic Diseases Hannover Medical School Hannover Germany
Department of Pediatric Nephrology Sisli Educational and Research Hospital Istanbul Turkey
Department of Pediatric Nephrology University of Gaziantep Gaziantep Turkey
Department of Pediatrics University Hospital Rostock Rostock Germany
Department of Psychology University of Copenhagen Copenhagen Denmark
Dialysis and Transplantation Department of Pediatrics Padova Italy
Diskapi Children's Hospital Ankara Turkey
Division of Pediatric Nephrology Center for Pediatrics and Adolescent Medicine Heidelberg Germany
Division of Pediatric Nephrology Cukurova University School of Medicine Adana Turkey
Division of Pediatric Nephrology Ege University Medical Faculty Izmir Turkey
Division of Pediatric Nephrology Great Ormond Street Hospital London United Kingdom
Division of Pediatric Nephrology Istanbul University Cerrahpasa Faculty of Medicine Istanbul Turkey
Division of Pediatric Nephrology Uludag University Faculty of Medicine Bursa Turkey
Division of Pediatric Nephrology University Children's Hospital Essen Germany
Integrated Research and Treatment Center Transplantation Hannover Medical School Hannover Germany
KfH Kidney Center for Children Marburg Germany
Pediatric Hospital University Hospital Motol Prague Czech Republic
Citace poskytuje Crossref.org
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