2023
Hereditary Hypophosphatemic Rickets with Hypercalciuria Presenting with Enthesopathy, Renal Cysts, and High Serum c-Terminal FGF23: Single-Center Experience and Systematic Review
Dodamani M, Memon S, Karlekar M, Lila A, Khan M, Sarathi V, Arya S, Jamale T, Thakare S, Patil V, Shah N, Bergwitz C, Bandgar T. Hereditary Hypophosphatemic Rickets with Hypercalciuria Presenting with Enthesopathy, Renal Cysts, and High Serum c-Terminal FGF23: Single-Center Experience and Systematic Review. Calcified Tissue International 2023, 114: 137-146. PMID: 37981601, DOI: 10.1007/s00223-023-01156-2.Peer-Reviewed Original ResearchConceptsSingle-center experienceHereditary hypophosphatemic ricketsRenal calcificationSLC34A3 mutationsSystematic reviewHypophosphatemic ricketsLow bone mineral densityC-terminal FGF23Median age 38 yearsBone mineral densityIron deficiency anemiaPhenotype-genotype correlationAge 38 yearsDisorders of phosphate homeostasisRickets/osteomalaciaNon-truncating variantsLow BMDNormal BMDBone involvementDeficiency anemiaSingle-centerMineral densityCase seriesElevated FGF23Initial misdiagnosis
2016
Impaired urinary osteopontin excretion in Npt2a−/− mice
Caballero D, Li Y, Ponsetto J, Zhu C, Bergwitz C. Impaired urinary osteopontin excretion in Npt2a−/− mice. American Journal Of Physiology. Renal Physiology 2016, 312: f77-f83. PMID: 27784695, PMCID: PMC5283892, DOI: 10.1152/ajprenal.00367.2016.Peer-Reviewed Original ResearchConceptsOPN gene expressionUrinary excretionRenal phosphate wasting disordersHigh-phosphate dietPhosphate wasting disordersOral phosphate supplementationRenal gene expressionRenal stone diseaseGene expressionAdditional risk factorsOPN levelsRole of OPNWasting disordersStone diseaseUrine excretionMouse modelNpt2aRisk factorsMouse mutationPhosphate supplementationRenal phosphateMiceRestored to wild-type levelsExcretionNephrocalcinosis
2014
Mutations in SLC34A3/NPT2c Are Associated with Kidney Stones and Nephrocalcinosis
Dasgupta D, Wee MJ, Reyes M, Li Y, Simm PJ, Sharma A, Schlingmann KP, Janner M, Biggin A, Lazier J, Gessner M, Chrysis D, Tuchman S, Baluarte HJ, Levine MA, Tiosano D, Insogna K, Hanley DA, Carpenter TO, Ichikawa S, Hoppe B, Konrad M, Sävendahl L, Munns CF, Lee H, Jüppner H, Bergwitz C. Mutations in SLC34A3/NPT2c Are Associated with Kidney Stones and Nephrocalcinosis. Journal Of The American Society Of Nephrology 2014, 25: 2366-2375. PMID: 24700880, PMCID: PMC4178443, DOI: 10.1681/asn.2013101085.Peer-Reviewed Original ResearchConceptsIdiopathic hypercalciuriaDecreased tubular reabsorption of phosphateIncreased risk of kidney stone formationSerum 1,25(OH)2 vitamin DTubular reabsorption of phosphateAssociated with kidney stonesVitamin D levelsSolute carrier family 34Renal phosphate wastingDecreased serum phosphateHereditary hypophosphatemic ricketsHealthy family membersReabsorption of phosphateRisk of kidney stone formationRickets/osteomalaciaDecreased tubular reabsorptionKidney stone formationSLC34A3 mutationsIndependent of genotypeMedullary nephrocalcinosisSerum phosphateVitamin DDependent phosphate cotransporterTubular reabsorptionD levels