2016
Hypophosphatemia promotes lower rates of muscle ATP synthesis
Pesta DH, Tsirigotis DN, Befroy DE, Caballero D, Jurczak MJ, Rahimi Y, Cline GW, Dufour S, Birkenfeld AL, Rothman DL, Carpenter TO, Insogna K, Petersen KF, Bergwitz C, Shulman GI. Hypophosphatemia promotes lower rates of muscle ATP synthesis. The FASEB Journal 2016, 30: 3378-3387. PMID: 27338702, PMCID: PMC5024687, DOI: 10.1096/fj.201600473r.Peer-Reviewed Original ResearchConceptsMuscle ATP synthesisATP synthesisMuscle weaknessIsolated muscle mitochondriaSolute carrier familyWild-type littermate controlsSolute carrier family 34Carrier familyLower ratesInsulin-stimulated ratesMuscle mitochondriaChronic hypophosphatemiaHeart failureHypophosphatemic groupHypophosphatemic miceHypophosphatemiaLittermate controlsKnockout miceBlood PLow ratePlasma PPatientsSimilar findingsMember 1Plasma inorganic phosphate
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