2004
The Effect of Aging on the Skeletal Response to Intermittent Treatment with Parathyroid Hormone
Knopp E, Troiano N, Bouxsein M, Sun BH, Lostritto K, Gundberg C, Dziura J, Insogna K. The Effect of Aging on the Skeletal Response to Intermittent Treatment with Parathyroid Hormone. Endocrinology 2004, 146: 1983-1990. PMID: 15618351, DOI: 10.1210/en.2004-0770.Peer-Reviewed Original ResearchConceptsBody bone mineral densitySkeletal responseAged animalsIntermittent treatmentTotal body bone mineral densityYoung adult C57BL/6 miceDaily sc injectionsVehicle-treated animalsTrabecular bone volume fractionYoung adult miceBone mineral densityYoung adult animalsVertebral histomorphometryEffect of ageBone volume fractionParathyroid hormoneC57BL/6 miceSC injectionPTH treatmentMineral densityBody weightOsteoblast numberPTHCultured marrowYounger counterparts
1981
Effect of Age on Serum Immunoreactive Parathyroid Hormone and Its Biological Effects*
INSOGNA K, LEWIS A, LIPINSKI B, BRYANT C, BARAN D. Effect of Age on Serum Immunoreactive Parathyroid Hormone and Its Biological Effects*. The Journal Of Clinical Endocrinology & Metabolism 1981, 53: 1072-1075. PMID: 6270181, DOI: 10.1210/jcem-53-5-1072.Peer-Reviewed Original ResearchConceptsIPTH levelsElderly subjectsTubular maximum phosphate reabsorptionImmunoreactive parathyroid hormone levelsSerum immunoreactive parathyroid hormoneImmunoreactive parathyroid hormoneParathyroid hormone levelsBiological effectsCreatinine clearanceEffect of ageNephrogenous cAMPUrinary calciumCreatinine ratioSerum phosphateParathyroid hormoneBone lossCalcium ingestionBone resorptionPhosphate reabsorptionHormone levelsHealthy volunteersSignificant negative correlationSignificant positive correlationIPTHOlder volunteers