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
2009
Targeted overexpression of the two colony-stimulating factor-1 isoforms in osteoblasts differentially affects bone loss in ovariectomized mice
Yao GQ, Wu JJ, Ovadia S, Troiano N, Sun BH, Insogna K. Targeted overexpression of the two colony-stimulating factor-1 isoforms in osteoblasts differentially affects bone loss in ovariectomized mice. AJP Endocrinology And Metabolism 2009, 296: e714-e720. PMID: 19141689, PMCID: PMC2670621, DOI: 10.1152/ajpendo.90631.2008.Peer-Reviewed Original ResearchConceptsColony-stimulating factor-1Nonredundant functionsWild-type animalsTransgenic miceMembrane-bound isoformMCSF1Normal osteoclastogenesisCollagen promoterTransgenic expressionMajor isoformsIsoformsFactor 1Same genotypeOp phenotypeTargeted overexpressionOverexpressionOp miceOsteoblastsAnimalsPromoterMicePhenotypeFemale animalsAlphaIMale littermates