2014
Serum levels of sclerostin, Dickkopf-1, and secreted frizzled-related protein-4 are not changed in individuals with high bone mass causing mutations in LRP5
Simpson CA, Foer D, Lee GS, Bihuniak J, Sun B, Sullivan R, Belsky J, Insogna KL. Serum levels of sclerostin, Dickkopf-1, and secreted frizzled-related protein-4 are not changed in individuals with high bone mass causing mutations in LRP5. Osteoporosis International 2014, 25: 2383-2388. PMID: 24927689, PMCID: PMC4659359, DOI: 10.1007/s00198-014-2767-5.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdultAgedBone DensityBone Morphogenetic ProteinsCase-Control StudiesFemaleGenetic MarkersGenotypeHumansIntercellular Signaling Peptides and ProteinsLow Density Lipoprotein Receptor-Related Protein-5MaleMiddle AgedMutationOsteoprotegerinProto-Oncogene ProteinsRANK LigandSex CharacteristicsWnt Signaling PathwayConceptsFrizzled-related protein 4Serum levelsWnt inhibitorsDickkopf-1Normal controlsUnrelated normal controlsHigh bone mass mutationsHigh bone mass syndromeFunction mutationsNormal age-matched controlsProtein 4Cross-sectional studyAge-matched controlsLRP5 resultSkeletal effectsEndogenous Wnt inhibitorsMass syndromeConsented volunteersUnrelated normal individualsDkk-1Different kindredsNormal individualsLRP5 signalingPatientsSclerostin
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