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http://dx.doi.org/10.1016/j.ciresp.2010.05.024 | DOI Listing |
Front Endocrinol (Lausanne)
January 2025
Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy.
Tertiary hyperparathyroidism is characterized by hypercalcemia resulting from autonomous parathyroid hormone production and usually occurs after a prolonged period of secondary hyperparathyroidism. This condition can be a complication of X-linked hypophosphatemia (XLH), a rare genetic disease characterized by renal phosphate loss and consequent hypophosphatemia. Parathyroidectomy is considered the first-line therapy but surgical intervention can be complicated by hungry bone syndrome.
View Article and Find Full Text PDFDiagnostics (Basel)
January 2025
Departamento de Medicina Genómica, Instituto Nacional de Rehabilitación, Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Ciudad de México 14389, Mexico.
Background/objectives: X-linked hypophosphataemic rickets (XLH) represents the most frequent type of rickets from genetic origin, it is caused by mutations on the gene. The main clinical manifestations are short stature and bone deformities. Phenotype variation is observed at the intrafamily and interfamily level.
View Article and Find Full Text PDFBMJ Case Rep
January 2025
Pediatrics, Lokmanya Tilak Municipal General Hospital and Lokmanya Tilak Municipal Medical College, Mumbai, Maharashtra, India.
Rickets in children usually present with skeletal manifestations. However, they can also rarely present with extraskeletal manifestations, one of them being respiratory insufficiency. We present an unusual case of a girl in early childhood with respiratory insufficiency, which turned out to be due to the underlying vitamin D-dependent rickets (VDDR).
View Article and Find Full Text PDFCalcif Tissue Int
January 2025
Department of Paediatric Endocrinology, Alder Hey Children's Hospital, Liverpool, UK.
Autosomal recessive hypophosphatemic rickets type 2 (ARHR2) is an uncommon hereditary form of rickets characterised by chronic renal phosphate loss and impaired bone mineralisation. This results from compound heterozygous or homozygous pathogenic variants in ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1), a key producer of extracellular inorganic pyrophosphate (PPi) and an inhibitor of fibroblast growth factor23 (FGF23). ENPP1 deficiency impacts FGF23 and increases its activity.
View Article and Find Full Text PDFBMC Mol Cell Biol
January 2025
Department of Stomatology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, 150001, China.
Background: Inactivation or mutations of FAM20C causes human Raine Syndrome, which manifests as lethal osteosclerosis bone dysplasia or non-lethal hypophosphatemia rickets. However, it is only hypophosphatemia rickets that was reported in the mice with Fam20c deletion or mutations. To further investigate the local and global impacts of Fam20c mutation, we constructed a knock-in allele carrying Fam20c mutation (D446N) found in the non-lethal Raine Syndrome.
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