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