2021
An Unanticipated Role for Sphingosine Kinase-2 in Bone and in the Anabolic Effect of Parathyroid Hormone
Walker JM, Yao GQ, Siu E, Zhu M, Sun BH, Simpson C, Insogna KL. An Unanticipated Role for Sphingosine Kinase-2 in Bone and in the Anabolic Effect of Parathyroid Hormone. Endocrinology 2021, 162: bqab042. PMID: 33640975, PMCID: PMC8095390, DOI: 10.1210/endocr/bqab042.Peer-Reviewed Original ResearchConceptsSphk2-/- miceParathyroid hormoneAnabolic responseFemoral trabecular BV/TVLower spinal bone mineral densityTrabecular BV/TVSpinal bone mineral densityDaily parathyroid hormoneFemoral bone volumeSuppression of sclerostinEnd of treatmentNormal bone massBone mineral densityNormal bone remodelingRole of SphK1BV/TVFemale control animalsSphingosine kinase 2Sphingosine kinaseControl miceLow BMDAnabolic effectsBone massMineral densityControl animals
2014
The Transcription Factor T-box 3 Regulates Colony-stimulating Factor 1-dependent Jun Dimerization Protein 2 Expression and Plays an Important Role in Osteoclastogenesis*
Yao C, Yao GQ, Sun BH, Zhang C, Tommasini SM, Insogna K. The Transcription Factor T-box 3 Regulates Colony-stimulating Factor 1-dependent Jun Dimerization Protein 2 Expression and Plays an Important Role in Osteoclastogenesis*. Journal Of Biological Chemistry 2014, 289: 6775-6790. PMID: 24394418, PMCID: PMC3945339, DOI: 10.1074/jbc.m113.499210.Peer-Reviewed Original Research
2011
Selective deletion of the membrane-bound colony stimulating factor 1 isoform leads to high bone mass but does not protect against estrogen-deficiency bone loss
Yao GQ, Wu JJ, Troiano N, Zhu ML, Xiao XY, Insogna K. Selective deletion of the membrane-bound colony stimulating factor 1 isoform leads to high bone mass but does not protect against estrogen-deficiency bone loss. Journal Of Bone And Mineral Metabolism 2011, 30: 408-418. PMID: 22105655, PMCID: PMC4378684, DOI: 10.1007/s00774-011-0336-y.Peer-Reviewed Original ResearchAnimalsBone and BonesBone DensityCell DifferentiationCells, CulturedCoculture TechniquesColony-Stimulating FactorsFemaleHumansHypertriglyceridemiaMaleMiceMice, KnockoutOsteoblastsOsteoclastsOsteoporosisOsteoporosis, PostmenopausalProtein IsoformsRNA, MessengerSex CharacteristicsSolubilityUp-Regulation
2010
Targeted overexpression of Dkk1 in osteoblasts reduces bone mass but does not impair the anabolic response to intermittent PTH treatment in mice
Yao GQ, Wu JJ, Troiano N, Insogna K. Targeted overexpression of Dkk1 in osteoblasts reduces bone mass but does not impair the anabolic response to intermittent PTH treatment in mice. Journal Of Bone And Mineral Metabolism 2010, 29: 141-148. PMID: 20602130, PMCID: PMC3457021, DOI: 10.1007/s00774-010-0202-3.Peer-Reviewed Original ResearchConceptsParathyroid hormonePTH treatmentBone massTg miceAnabolic responseDKK1 expressionSingle daily subcutaneous doseDaily subcutaneous doseBone formationIntermittent PTH treatmentPotent anabolic agentOverexpression of DKK1Number of osteoblastsSubcutaneous doseWT miceReal-time PCRSkeletal sitesDickkopf-1Anabolic agentsBody weightTransgenic miceHistomorphometric parametersHistomorphometric analysisTargeted overexpressionPrimary murine osteoblasts
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
2003
The Cell Surface Form of Colony-Stimulating Factor-1 Is Biologically Active in Bone in Vivo
Yao GQ, Wu JJ, Sun BH, Troiano N, Mitnick MA, Insogna K. The Cell Surface Form of Colony-Stimulating Factor-1 Is Biologically Active in Bone in Vivo. Endocrinology 2003, 144: 3677-3682. PMID: 12865350, DOI: 10.1210/en.2002-221071.Peer-Reviewed Original ResearchConceptsOp/op miceWild-type miceOp miceBone densityTooth eruptionTransgenic micePeripheral quantitative computed tomographyMCSF-1Factor 1Number of osteoclastsQuantitative computed tomographyOp/op animalsMolar tooth eruptionWild-type animalsOP animalsComputed tomographyColony-stimulating factor-1Colony stimulating factor 1Normal incisorsHistomorphometric analysis
2002
A Role for Cell-Surface CSF-1 in Osteoblast-mediated Osteoclastogenesis
Yao G, Sun BH, Weir EC, Insogna KL. A Role for Cell-Surface CSF-1 in Osteoblast-mediated Osteoclastogenesis. Calcified Tissue International 2002, 70: 339-346. PMID: 12004339, DOI: 10.1007/s00223-001-1079-x.Peer-Reviewed Original Research
1998
The Cell-surface Form of Colony-stimulating Factor-1 Is Regulated by Osteotropic Agents and Supports Formation of Multinucleated Osteoclast-like Cells*
Yao G, Sun B, Hammond E, Spencer E, Horowitz M, Insogna K, Weir E. The Cell-surface Form of Colony-stimulating Factor-1 Is Regulated by Osteotropic Agents and Supports Formation of Multinucleated Osteoclast-like Cells*. Journal Of Biological Chemistry 1998, 273: 4119-4128. PMID: 9461606, DOI: 10.1074/jbc.273.7.4119.Peer-Reviewed Original ResearchConceptsColony-stimulating factor-1Osteoclast formationReverse transcriptase-polymerase chain reactionFactor 1Quantitative reverse transcriptase-polymerase chain reactionTumor necrosis factorTranscriptase-polymerase chain reactionOsteoclast-like cellsHematopoietic growth factorsCSF-1 isoformsView of evidenceCell surface formPolymerase chain reactionCo-culture systemNecrosis factorOsteotropic hormonesOsteoclast function