2011
Genetic Defect in CYP24A1, the Vitamin D 24-Hydroxylase Gene, in a Patient with Severe Infantile Hypercalcemia
Dauber A, Nguyen TT, Sochett E, Cole DE, Horst R, Abrams SA, Carpenter TO, Hirschhorn JN. Genetic Defect in CYP24A1, the Vitamin D 24-Hydroxylase Gene, in a Patient with Severe Infantile Hypercalcemia. The Journal Of Clinical Endocrinology & Metabolism 2011, 97: e268-e274. PMID: 22112808, PMCID: PMC3275367, DOI: 10.1210/jc.2011-1972.Peer-Reviewed Original ResearchConceptsIdiopathic infantile hypercalcemiaInfantile hypercalcemiaSingle patientVitamin D 24-hydroxylase geneReplication cohortIntestinal calcium absorptionAcademic medical centerWhole-exome sequencingIIH patientsClinic cohortAdditional patientsDihydroxyvitamin D.Inpatient studyPatient populationCalcium absorptionCYP24A1 geneMedical CenterHypercalcemiaMAIN OUTCOMEAdditional cohortIntestinal absorptionPatientsConsanguineous parentsVivo functional studiesCohort
2005
Relationships among Vitamin D Levels, Parathyroid Hormone, and Calcium Absorption in Young Adolescents
Abrams SA, Griffin IJ, Hawthorne KM, Gunn SK, Gundberg CM, Carpenter TO. Relationships among Vitamin D Levels, Parathyroid Hormone, and Calcium Absorption in Young Adolescents. The Journal Of Clinical Endocrinology & Metabolism 2005, 90: 5576-5581. PMID: 16076940, PMCID: PMC1283091, DOI: 10.1210/jc.2005-1021.Peer-Reviewed Original ResearchConceptsVitamin D statusCalcium absorptionD statusDihydroxyvitamin DVitamin D insufficiencyVitamin D levelsBone mineral densityCalcium absorption fractionYr of ageEffects of prebioticsD insufficiencySerum PTHPTH secretionD calciumParathyroid hormoneD levelsPediatric dataMineral densityMidpubertal boysYoung adolescentsPTHBone formationWhole bodyHigh rateAdolescents