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
1999
Changes in Bone Turnover in Young Women Consuming Different Levels of Dietary Protein1
Kerstetter J, Mitnick M, Gundberg C, Caseria D, Ellison A, Carpenter T, Insogna K. Changes in Bone Turnover in Young Women Consuming Different Levels of Dietary Protein1. The Journal Of Clinical Endocrinology & Metabolism 1999, 84: 1052-1055. PMID: 10084594, DOI: 10.1210/jcem.84.3.5552.Peer-Reviewed Original ResearchUrinary N-telopeptide excretionBone-specific alkaline phosphataseN-telopeptide excretionUrinary calcium excretionBone turnoverLow-protein dietCalcium excretionUrinary calciumProtein dietBone resorptionDietary proteinYoung womenHealthy young womenNegative calcium balanceLow protein intakeHigh-protein dietAlkaline phosphataseSecondary hyperparathyroidismSerum PTHSerum osteocalcinDihydroxyvitamin DCalcium balanceProtein intakeCompensatory increaseDay 4