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Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
Research Program for Clinical and Molecular Metabolism, University of Helsinki, Helsinki, Finland
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Folkhälsan Institute of Genetics, University of Helsinki, Helsinki, Finland
Children’s Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
Research Program for Clinical and Molecular Metabolism, University of Helsinki, Helsinki, Finland
Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden
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Introduction Genetic skeletal diseases, often called skeletal dysplasias, are a heterogeneous group of heritable conditions with generalized bone and cartilage impairment caused by pathogenic variants in genes primarily affecting
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manifestation: most carriers of a MEN1 mutation will have developed PHPT by age 50 years. It is also the first clinical manifestation, usually diagnosed before 30 years of age, and bone and renal complications are common. However, not many clinical studies
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of FGF23 and renal induction of αKlotho by vitamin D forms a kidney–bone axis. Figure 2 Simplified diagram illustrating various factors that can directly or indirectly influence FGF23 activities. Feedback control of FGF23 exists with phosphate
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Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
Centre for Innovation in Personalized Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
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Introduction Vitamin D plays an important role in numerous human metabolic functions including calcium (Ca) and phosphorus (PO 4 ) hemostasis and bone growth and remodeling ( 1 , 2 ). vitamin D stimulates Ca and PO 4 absorption from the
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/1,000,000 ( 1 , 2 ). MAS is defined historically as the triad of peripheral precocious puberty (PP), café-au-lait skin pigmentation and fibrous dysplasia (FD) of the bone ( 3 ). Other associated hyperfunctioning endocrinopathies include hyperthyroidism, growth
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acquaintance with Jamer's dynamometer and an average of three measurements was taken as the final reading as kilogram force. Bone mineral content (BMC), bone mineral density (BMD), total body fat (TBF), and lean body mass (LBM) were calculated by dual-energy X
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Reference Center for Rare Disorders of Calcium and Phosphate Metabolism, Le Kremlin Bicêtre, France
Plateforme d’Expertise Paris Sud Maladies Rares and Filière OSCAR, Bicêtre Paris Sud, Le Kremlin Bicêtre, France
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Reference Center for Rare Disorders of Calcium and Phosphate Metabolism, Le Kremlin Bicêtre, France
Plateforme d’Expertise Paris Sud Maladies Rares and Filière OSCAR, Bicêtre Paris Sud, Le Kremlin Bicêtre, France
INSERM U1169, Hôpital Bicêtre, Le Kremlin Bicêtre, et Université Paris-Saclay, Le Kremlin Bicêtre, France
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APHP, Department of Pediatric Orthopedic Surgery, Necker Hospital, Paris, France
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). The PHEX protein is expressed in the mineralized tissues, i.e. the bone matrix and the teeth. When PHEX is impaired, fibroblast growth factor 23 (FGF23) is produced in excess, leading to renal phosphate wasting and insufficient production of 1,25(OH)2
Department of Molecular Medicine, Aarhus University Hospital, Aarhus, Denmark
Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
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Department of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
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Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
Department of Clinical Genetics, Aarhus University Hospital, Aarhus, Denmark
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changes, like histone and chromatin modifications, also need to be addressed. In addition, an understanding of the temporal changes from fetal life to old age needs to be achieved. Klinefelter syndrome, hypogonadism, bone, muscle and fat
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bone resorption and bone formation (11) , thus also suggesting a potential interaction between calcium and IGF1 in terms of bone metabolism (11) . Circulating levels of IGF1 have been associated with milk and calcium intake (6, 12, 13) . For instance
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Medical Research Council (MRC) Human Nutrition Research, MRC Keneba, Elsie Widdowson Laboratories, Fulbourn Road, Cambridge CB1 9NL, UK
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Medical Research Council (MRC) Human Nutrition Research, MRC Keneba, Elsie Widdowson Laboratories, Fulbourn Road, Cambridge CB1 9NL, UK
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community (2) . FGF23 is a bone-derived phosphate (P)-regulating hormone that acts primarily in the proximal tubule cells of the kidney. A raised FGF23 concentration is a predictor of mortality in patients with renal failure (3) . FGF23 together with its