2011
Hereditary hypophosphatemic rickets with hypercalciuria and nephrolithiasis—Identification of a novel SLC34A3/NaPi‐IIc mutation
Phulwani P, Bergwitz C, Jaureguiberry G, Rasoulpour M, Estrada E. Hereditary hypophosphatemic rickets with hypercalciuria and nephrolithiasis—Identification of a novel SLC34A3/NaPi‐IIc mutation. American Journal Of Medical Genetics Part A 2011, 155: 626-633. PMID: 21344632, PMCID: PMC4777326, DOI: 10.1002/ajmg.a.33832.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceChild, PreschoolFamilial Hypophosphatemic RicketsFemaleHumansHypercalciuriaInfantInfant, NewbornMaleMolecular Sequence DataMutationNephrolithiasisPedigreePolymorphism, Single NucleotidePregnancyRestriction MappingReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSodium-Phosphate Cotransporter Proteins, Type IIcConceptsHereditary hypophosphatemic ricketsHypophosphatemic ricketsElevated 1,25-dihydroxyvitamin DGastrointestinal calcium absorptionHistory of nephrolithiasisIncreased gastrointestinal calcium absorptionPTH levelsRecurrent nephrolithiasisRenal ultrasoundSerum calciumCalcium absorptionNaPi-IIcPatient's motherHypercalciuriaSplicing mutationCompound heterozygosityNephrolithiasisRicketsNovel splice mutationHHRHDihydroxyvitaminPhenotypic changesMutationsMothersSplice mutation
2009
Defective O-Glycosylation due to a Novel Homozygous S129P Mutation Is Associated with Lack of Fibroblast Growth Factor 23 Secretion and Tumoral Calcinosis
Bergwitz C, Banerjee S, Abu-Zahra H, Kaji H, Miyauchi A, Sugimoto T, Jüppner H. Defective O-Glycosylation due to a Novel Homozygous S129P Mutation Is Associated with Lack of Fibroblast Growth Factor 23 Secretion and Tumoral Calcinosis. The Journal Of Clinical Endocrinology & Metabolism 2009, 94: 4267-4274. PMID: 19837926, PMCID: PMC2775647, DOI: 10.1210/jc.2009-0961.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionAnimalsBase SequenceCalcinosisCarrier StateChlorocebus aethiopsCodonCOS CellsDNA PrimersExonsFibroblast Growth Factor-23Fibroblast Growth FactorsGlycosylationHomozygoteHumansHypophosphatemia, FamilialMolecular Sequence DataNeoplasmsPolymorphism, Single NucleotideProlineSerineConceptsExpression vectors encoding wild-typeSerine to prolineHomozygous mutationFraction of lysatesCOS-7 cellsGlycoprotein fractionDefective O-glycosylationMutant hormoneO-glycosylationProtein speciesExon 2Poor secretionCOS-7Western blot analysisGenetic causeCodon 129Hyperphosphatemic tumoral calcinosisMutationsWild-typeFGF23 mutationsAssociated with lackBlot analysisCarriers in vivoFibroblast growth factorLysates
2008
A novel missense mutation in SLC34A3 that causes hereditary hypophosphatemic rickets with hypercalciuria in humans identifies threonine 137 as an important determinant of sodium-phosphate cotransport in NaPi-IIc
Jaureguiberry G, Carpenter TO, Forman S, Jüppner H, Bergwitz C. A novel missense mutation in SLC34A3 that causes hereditary hypophosphatemic rickets with hypercalciuria in humans identifies threonine 137 as an important determinant of sodium-phosphate cotransport in NaPi-IIc. American Journal Of Physiology. Renal Physiology 2008, 295: f371-f379. PMID: 18480181, PMCID: PMC2519180, DOI: 10.1152/ajprenal.00090.2008.Peer-Reviewed Original ResearchMeSH KeywordsAdultAllelesAnimalsBase SequenceExocytosisFamilial Hypophosphatemic RicketsFemaleHaplotypesHumansHypercalciuriaKidneyMaleMolecular Sequence DataMutation, MissenseOocytesOpossumsPhosphatesPolymorphism, Single NucleotideSodiumSodium-Phosphate Cotransporter ProteinsSodium-Phosphate Cotransporter Proteins, Type IIcThreonineXenopus laevisConceptsEncoding enhanced green fluorescent proteinHereditary hypophosphatemic ricketsNaPi-IIcSodium-phosphate cotransporterLoss of expressionAmino acid residuesSodium-phosphate cotransportGreen fluorescence proteinImportant functional roleComplete lossOpossum kidneyHypophosphatemic ricketsXenopus laevis oocytesNovel missense mutationPaternal alleleWild-typeFunctional analysisFluorescence proteinNH2 terminusAcid residuesApical patchesCompound heterozygous mutationsExpression plasmidFunctional roleRecurrent kidney stones
1999
A G Protein-coupled Receptor from Zebrafish Is Activated by Human Parathyroid Hormone and Not by Human or Teleost Parathyroid Hormone-related Peptide IMPLICATIONS FOR THE EVOLUTIONARY CONSERVATION OF CALCIUM-REGULATING PEPTIDE HORMONES*
Rubin D, Hellman P, Zon L, Lobb C, Bergwitz C, Jüppner H. A G Protein-coupled Receptor from Zebrafish Is Activated by Human Parathyroid Hormone and Not by Human or Teleost Parathyroid Hormone-related Peptide IMPLICATIONS FOR THE EVOLUTIONARY CONSERVATION OF CALCIUM-REGULATING PEPTIDE HORMONES*. Journal Of Biological Chemistry 1999, 274: 23035-23042. PMID: 10438471, DOI: 10.1074/jbc.274.33.23035.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceBiological EvolutionBlotting, SouthernCloning, MolecularDNA ProbesDNA, ComplementaryGTP-Binding ProteinsHumansIctaluridaeMolecular Sequence DataParathyroid HormoneParathyroid Hormone-Related ProteinProteinsRatsReceptor, Parathyroid Hormone, Type 2Receptors, Parathyroid HormoneRNA SplicingSequence Homology, Amino AcidZebrafishConceptsG protein-coupled receptorsAmino acid sequence identityProtein-coupled receptorsCAMP accumulationParathyroid hormoneAmino-terminal extracellular domainGrowth hormone-releasing hormoneCalcium-regulating peptide hormoneCDNA clonesHormone-releasing hormoneSequence identityParathyroid hormone 2 receptorHuman homologPTH/PTHrP receptorFamily of G protein-coupled receptorsHuman parathyroid hormoneAgonist-dependent activationSplice variantsCOS-7COS-7 cellsEncoding portionsExtracellular domainLigand specificityAmino acidsEvolutionary conservation
1997
Cloning and characterization of the vitamin D receptor from Xenopus laevis.
Li Y, Bergwitz C, Jüppner H, Demay M. Cloning and characterization of the vitamin D receptor from Xenopus laevis. Endocrinology 1997, 138: 2347-53. PMID: 9165021, DOI: 10.1210/endo.138.6.5210.Peer-Reviewed Original ResearchMeSH KeywordsAgingAmino Acid SequenceAnimalsBase SequenceBone and BonesChickensCloning, MolecularDimerizationEmbryo, NonmammalianFemaleGene Expression Regulation, DevelopmentalHumansIntestine, SmallKidneyMiceMolecular Sequence DataOrgan SpecificityPolymerase Chain ReactionRatsReceptors, CalcitriolReceptors, Retinoic AcidRecombinant ProteinsRetinoic Acid Receptor alphaSequence Homology, Amino AcidSkinSpecies SpecificityXenopus laevisConceptsVitamin D response elementRat osteocalcin vitamin D response elementVitamin D receptorOsteocalcin vitamin D response elementLower vertebrate speciesMessenger RNA speciesHuman vitamin D receptorMouse retinoid X receptor alphaAmino acid residuesRetinoid X receptor alphaRat osteocalcin vitamin D responsive elementAmino acid levelsX receptor alphaVertebrate speciesRNA speciesMammalian cellsTransfected mammalian cellsXenopus developmentDependent transactivationD response elementNuclear receptor superfamilyXenopus tissuesDNA bindingIon homeostasisNorthern analysis
1995
Pseudohypoparathyroidism type Ib is not caused by mutations in the coding exons of the human parathyroid hormone (PTH)/PTH-related peptide receptor gene
Schipani E, Weinstein LS, Bergwitz C, Iida-Klein A, Kong XF, Stuhrmann M, Kruse K, Whyte MP, Murray T, Schmidtke J. Pseudohypoparathyroidism type Ib is not caused by mutations in the coding exons of the human parathyroid hormone (PTH)/PTH-related peptide receptor gene. The Journal Of Clinical Endocrinology & Metabolism 1995, 80: 1611-1621. PMID: 7745008, DOI: 10.1210/jcem.80.5.7745008.Peer-Reviewed Original ResearchConceptsPseudohypoparathyroidism type IbPHP-IbCoding exonsExon GNucleotide sequenceBase changesHuman genomic DNA clonesExon E2Receptor geneTemperature gradient gel electrophoresisGenomic DNA clonesRestriction enzyme mappingReceptor cytoplasmic tailPHP-Ib patientsPTH/PTH-related peptideReverse transcriptase-polymerase chain reactionSplice donor sitePTH/PTHrP receptor geneTranscriptase-polymerase chain reactionGradient gel electrophoresisType IbChain reactionDirect nucleotide sequencingWild-type receptorNorthern blot analysis
1994
Polymorphism in exon M7 of the PTHR gene
Schipani E, Hustmyer FG, Bergwitz C, Jūppner H. Polymorphism in exon M7 of the PTHR gene. Human Molecular Genetics 1994, 3: 1210-1210. PMID: 7981709, DOI: 10.1093/hmg/3.7.1210-a.Peer-Reviewed Original Research