2021
Selective deletion of the receptor for CSF1, c-fms, in osteoclasts results in a high bone mass phenotype, smaller osteoclasts in vivo and an impaired response to an anabolic PTH regimen
Zhu M, Sun BH, Nevius E, Kaplan J, Pereira J, Insogna K. Selective deletion of the receptor for CSF1, c-fms, in osteoclasts results in a high bone mass phenotype, smaller osteoclasts in vivo and an impaired response to an anabolic PTH regimen. PLOS ONE 2021, 16: e0247199. PMID: 33607650, PMCID: PMC7895546, DOI: 10.1371/journal.pone.0247199.Peer-Reviewed Original ResearchConceptsColony stimulating factor 1Mature osteoclastsBone massHigh bone mass phenotypeAttenuated anabolic responseDaily subcutaneous dosesTrabecular bone massBone mass phenotypeC-fmsNormal tooth eruptionTrabecular bone compartmentsMature osteoclast functionCathepsin K promoterFemurs of maleWild-type animalsOcS/BSFemale knockSubcutaneous dosesNormal weightSmall osteoclastsImpaired responseTrabecular numberAnabolic responseFlox miceMass phenotype
2013
EBI2 guides osteoclast precursors to bone niches and regulates osteoclastogenesis and bone mass homeostasis. (P5099)
Nevius E, Horowitz M, Insogna K, Ishii M, Pereira J. EBI2 guides osteoclast precursors to bone niches and regulates osteoclastogenesis and bone mass homeostasis. (P5099). The Journal Of Immunology 2013, 190: 129.14-129.14. DOI: 10.4049/jimmunol.190.supp.129.14.Peer-Reviewed Original ResearchOsteoclast precursorsMature osteoclastsBone nicheBone surfaceBone lining cellsEstrogen deficiencyBone marrow nicheBone disordersEBI2Osteoclast differentiationBone mass homeostasisMonocytic precursorsOsteoclastsMarrow nicheBone outgrowthsGuidance cuesSynthesis enzymesHomeostasisDifferentiationCH25HOsteoporosisCYP7B1OsteoclastogenesisMice
2010
Osteoclasts Lacking Rac2 Have Defective Chemotaxis and Resorptive Activity
Itokowa T, Zhu ML, Troiano N, Bian J, Kawano T, Insogna K. Osteoclasts Lacking Rac2 Have Defective Chemotaxis and Resorptive Activity. Calcified Tissue International 2010, 88: 75-86. PMID: 21110188, PMCID: PMC3155765, DOI: 10.1007/s00223-010-9435-3.Peer-Reviewed Original ResearchConceptsTrabecular bone massBone massMature osteoclastsFemoral cortical thicknessTotal bone areaNumber of osteoclastsWild-type miceNormal tooth eruptionNumber of osteoblastsWild-type animalsBone resorptionCortical porosityActin ring formationCortical thicknessTooth eruptionOsteoclast functionResorptive activityDefective chemotaxisBone areaFemale animalsMiceOsteoclastsMigratory rateNormal sizeSignificant differences
2006
Effects of glucose-dependent insulinotropic peptide on osteoclast function
Zhong Q, Itokawa T, Sridhar S, Ding KH, Xie D, Kang B, Bollag WB, Bollag RJ, Hamrick M, Insogna K, Isales CM. Effects of glucose-dependent insulinotropic peptide on osteoclast function. AJP Endocrinology And Metabolism 2006, 292: e543-e548. PMID: 17003233, DOI: 10.1152/ajpendo.00364.2006.Peer-Reviewed Original ResearchConceptsGlucose-dependent insulinotropic peptideBone resorptionNutrient ingestionGIP receptorOrgan culture systemBone breakdownEffects of GIPOsteoclast functionMature osteoclastsGlucose-induced insulin secretionGIP receptor transcriptsImmediate postprandial periodBone formationAnti-resorptive effectsGlucose-dependent insulinotropicIntestinal endocrine cellsOsteoclast resorptive activityPostprandial reductionIncretin hormonesInsulinotropic peptidePostprandial periodInsulin secretionResorptive activityOsteoclastic cellsReceptor transcripts
2005
CSF-1 Induces fos Gene Transcription and Activates the Transcription Factor Elk-1 in Mature Osteoclasts
Yao G, Itokawa T, Paliwal I, Insogna K. CSF-1 Induces fos Gene Transcription and Activates the Transcription Factor Elk-1 in Mature Osteoclasts. Calcified Tissue International 2005, 76: 371-378. PMID: 15812575, DOI: 10.1007/s00223-004-0099-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell NucleusCells, CulturedDNA-Binding ProteinsEts-Domain Protein Elk-1Genes, fosMacrophage Colony-Stimulating FactorMiceMice, TransgenicOsteoclastsProto-Oncogene ProteinsProto-Oncogene Proteins c-fosRNA, MessengerTranscription FactorsTranscription, GeneticTranscriptional ActivationConceptsTranscription factor Elk-1Serum response elementTranscriptional activationElk-1CSF-1Response elementMature osteoclastsNuclear c-Fos proteinRegulation of FosBacterial lac Z geneC-fosSap-1aFos serum response elementFos promoterNuclear proteinsGene transcriptionFos geneMolecular mechanismsLac Z geneVehicle-treated cellsTargeted deletionFactor 1Absolute requirementC-Fos proteinLike cells
2001
Chapter 25 Cytokines in Primary Hyperparathyroidism
Nakchbandi I, Grey A, Masiukiewicz U, Mitnick M, Insogna K. Chapter 25 Cytokines in Primary Hyperparathyroidism. 2001, 411-421. DOI: 10.1016/b978-012098651-4/50027-4.ChaptersOsteoclast differentiation factorParathyroid hormonePrimary hyperparathyroidismImmune cell functionColony-stimulating factorResorptive actionSevere inflammationBone resorptionInterleukin-6Resorptive effectsCatabolic cytokinesCytokinesMature osteoclastsPleiotropic actionsImportant mediatorKey mediatorCell functionDifferentiation factorHyperparathyroidismOsteoclastogenesisMediatorsHematopoietic microenvironmentInflammationInfectionCell communication
1996
Colony stimulating factor‐1 plays a role in osteoclast formation and function in bone resorption induced by parathyroid hormone and parathyroid hormone‐related protein
Weir E, Lowik C, Paliwal I, Insogna K. Colony stimulating factor‐1 plays a role in osteoclast formation and function in bone resorption induced by parathyroid hormone and parathyroid hormone‐related protein. Journal Of Bone And Mineral Research 1996, 11: 1474-1481. PMID: 8889847, DOI: 10.1002/jbmr.5650111014.Peer-Reviewed Original ResearchConceptsBone resorptionMature osteoclastsParathyroid hormoneOsteoclast precursorsFetal rat long bonesParathyroid hormone-related proteinResistant acid phosphatase-positive osteoclastsMitogenic activityFactor 1Hormone-related proteinOrgan cultureCSF-1Rat long bonesTreatment of boneSignificant increaseOrgan culture assayHistological examinationBone assayOsteoclast recruitmentOsteoclast formationRat osteoclastsColony stimulating factor 1CSF-1 productionPTHResorption
1993
Macrophage colony‐stimulating factor release and receptor expression in bone cells
Weir E, Horowitz M, Baron R, Centrella M, Kacinski B, Insogna K. Macrophage colony‐stimulating factor release and receptor expression in bone cells. Journal Of Bone And Mineral Research 1993, 8: 1507-1518. PMID: 8304053, DOI: 10.1002/jbmr.5650081214.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone MarrowBone Marrow CellsCell DivisionCells, CulturedColony-Forming Units AssayCulture Media, ConditionedGranulocyte-Macrophage Colony-Stimulating FactorMacrophage Colony-Stimulating FactorMacrophagesMaleOsteoblastsOsteoclastsParathyroid HormoneParathyroid Hormone-Related ProteinProteinsRatsRats, Sprague-DawleyRats, WistarReceptor, Macrophage Colony-Stimulating FactorTumor Cells, CulturedConceptsColony-stimulating factorColony-stimulating activityM-CSFBone resorptionReceptor expressionMature osteoclastsPreincubation of CMColony-stimulating factor releaseHormone-related peptideM-CSF receptor c-FmsMacrophage colony-stimulating factorOsteoblast-osteoclast interactionsM-CSF mRNA levelsBone marrow cellsCSF-1 receptor expressionRat bone marrow cellsReceptor c-fmsROS 17/2.8 cellsParacrine roleImmunohistochemical techniquesRat osteoblastsPTHrP treatmentMarrow cellsFactor releasePTH