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
2020
Identification of a 22 bp DNA cis Element that Plays a Critical Role in Colony Stimulating Factor 1-Dependent Transcriptional Activation of the SPHK1 Gene
Yao GQ, Zhu M, Walker J, Insogna K. Identification of a 22 bp DNA cis Element that Plays a Critical Role in Colony Stimulating Factor 1-Dependent Transcriptional Activation of the SPHK1 Gene. Calcified Tissue International 2020, 107: 52-59. PMID: 32246175, PMCID: PMC7274855, DOI: 10.1007/s00223-020-00685-4.Peer-Reviewed Original ResearchConceptsColony stimulating factor 1Sphingosine kinase 1Bp fragmentSPHK1 promoterBp sequenceSphK1 geneDNA cis elementsProtein binding regionsSPHK1 gene expressionBp DNA fragmentStimulating factor 1Dual-luciferase reporterPutative DNATranscriptional activationTranscription factorsNuclear proteinsDNA sequencesCis elementsDNA bindingGene expressionPromoter activityDNA fragmentsKinase 1EMSAsProtein binding
2005
The Cell-Surface Isoform of Colony Stimulating Factor 1 (CSF1) Restores but Does Not Completely Normalize Fecundity in CSF1-Deficient Mice1
Ovadia S, Insogna K, Yao GQ. The Cell-Surface Isoform of Colony Stimulating Factor 1 (CSF1) Restores but Does Not Completely Normalize Fecundity in CSF1-Deficient Mice1. Biology Of Reproduction 2005, 74: 331-336. PMID: 16237150, DOI: 10.1095/biolreprod.105.045047.Peer-Reviewed Original ResearchConceptsColony stimulating factor 1Viability of offspringReproductive defectsCell surfaceMembrane-bound isoformStimulating factor 1Cell surface isoformAlpha promoterMCSF1Transgenic animalsProteolytic sheddingCSF1 proteinMouse reproductionFactor 1ReproductionTransgenic male miceIsoformsTransgenic miceSperm numberOffspringTissue levelsMurine uterusGenetic absenceControl littermatesPromoter
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
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