2001
IL-6 Negatively Regulates IL-11 Production in Vitro and in Vivo
Nakchbandi I, Mitnick M, Masiukiewicz U, Sun B, Insogna K. IL-6 Negatively Regulates IL-11 Production in Vitro and in Vivo. Endocrinology 2001, 142: 3850-3856. DOI: 10.1210/en.142.9.3850.Peer-Reviewed Original ResearchCirculating levels of IL-6Levels of IL-6IL-11IL-6Circulating levelsBone resorptionSteady state mRNA levelsOsteoclast formationFive-day infusionHuman PTH-(1-84Pretreatment of cellsIL-11 levelsResponse to PTHIL-11 productionIncreased osteoclast formationIL-6 levelsPTH-(1-84Saos-2 cellsParathyroid adenomectomyDown-regulationProduction in vitroPrimary hyperparathyroidismPTH excessProduction in vivoSerum levels
2000
Estrogen Modulates Parathyroid Hormone-Induced Interleukin-6 Production in Vivo and in Vitro*
Masiukiewicz U, Mitnick M, Grey A, Insogna K. Estrogen Modulates Parathyroid Hormone-Induced Interleukin-6 Production in Vivo and in Vitro*. Endocrinology 2000, 141: 2526-2531. DOI: 10.1210/en.141.7.2526.Peer-Reviewed Original ResearchCirculating levels of IL-6Levels of IL-6PTH-induced bone resorptionEstrogen-deficient stateIL-6Circulating levelsIL-6 productionPTH infusionEstrogen withdrawalBone resorptionResponse to PTH infusionChronic PTH excessEstrogen-replete conditionsTreated with PTHBone turnover markersInfusion of PTHBone resorption markersResponse to PTHEffect of PTHAbsence of estrogenRelease of IL-6Short-term infusionEstrogen-treated animalsInterleukin (IL)-6Collagen cross-linking
1999
A Role for Interleukin-6 in Parathyroid Hormone-Induced Bone Resorption in Vivo1
Grey A, Mitnick M, Masiukiewicz U, Sun B, Rudikoff S, Jilka R, Manolagas S, Insogna K. A Role for Interleukin-6 in Parathyroid Hormone-Induced Bone Resorption in Vivo1. Endocrinology 1999, 140: 4683-4690. DOI: 10.1210/en.140.10.4683.Peer-Reviewed Original ResearchBiochemical markers of bone resorptionMarkers of bone resorptionPTH-induced bone resorptionParathyroid hormoneBone resorptionInterleukin-6Biochemical markersPTH infusionResponse to PTH infusionCirculating levels of interleukin-6Action of PTH in vivoMarkers of bone formationResponse to PTHEffect of parathyroid hormoneLevels of interleukin-6Neutralization of interleukin-6Associated with markedly lower levelsParathyroid hormone-induced bone resorptionPTH in vivoBone resorbing actionPTH-induced changesRelease of calciumInterleukin-6 productionCytokine interleukin-6Paracrine factor(s
1998
The role of parathyroid hormone in the pathogenesis, prevention and treatment of postmenopausal osteoporosis
Masiukiewicz US, Insogna KL. The role of parathyroid hormone in the pathogenesis, prevention and treatment of postmenopausal osteoporosis. Aging Clinical And Experimental Research 1998, 10: 232-239. PMID: 9801733, DOI: 10.1007/bf03339657.Peer-Reviewed Original ResearchConceptsParathyroid hormonePostmenopausal womenPrimary hyperparathyroidismBone lossSecondary hyperparathyroidismAnabolic therapyPostmenopausal osteoporosisBone massVitamin D. Parathyroid hormoneDaily subcutaneous administrationRecent therapeutic trialsVitamin D metabolismTrabecular bone massTherapeutic trialsD metabolismBone turnoverBone resorptionSurgical correctionSubcutaneous administrationHyperparathyroidismVivo effectsSingle agentTissue responsivenessSustained increaseCortical sites