2011
Genetic evidence of the regulatory role of parathyroid hormone–related protein in articular chondrocyte maintenance in an experimental mouse model
Macica C, Liang G, Nasiri A, Broadus AE. Genetic evidence of the regulatory role of parathyroid hormone–related protein in articular chondrocyte maintenance in an experimental mouse model. Arthritis & Rheumatism 2011, 63: 3333-3343. PMID: 21702022, PMCID: PMC3197958, DOI: 10.1002/art.30515.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsArthritis, ExperimentalCartilage, ArticularChondrocytesDisease ProgressionMaleMiceMice, KnockoutParathyroid Hormone-Related ProteinConceptsHormone-related proteinDegenerative changesKO miceParathyroid hormone-related proteinMale KO miceExperimental mouse modelMouse articular cartilageTotal histologic scoreIndian hedgehogTibial articular surfaceArticular chondrocytesArticular cartilageGrowth differentiation factor 5Degenerative findingsControl miceHistologic scoresMouse modelCompensatory increaseTime-course studyDifferentiation factor 5PTHrPRegulatory roleMiceConditional deletionChondrocyte maintenance
2008
Regulation of articular chondrocyte proliferation and differentiation by indian hedgehog and parathyroid hormone–related protein in mice
Chen X, Macica CM, Nasiri A, Broadus AE. Regulation of articular chondrocyte proliferation and differentiation by indian hedgehog and parathyroid hormone–related protein in mice. Arthritis & Rheumatism 2008, 58: 3788-3797. PMID: 19035497, PMCID: PMC2599803, DOI: 10.1002/art.23985.Peer-Reviewed Original ResearchConceptsPTHrP expressionParathyroid hormone-related proteinArticular cartilagePTHrP-knockout micePathogenesis of arthritisWeight-bearing jointsHormone-related proteinChondrocyte proliferationIndian hedgehogGrowth plate structureCell of originArticular chondrocytesEpiphyseal growth zoneSecondary ossification centerArticular chondrocyte differentiationArticular chondrocyte proliferationAdult miceAxis participatesKnockin miceMicePTHrPProtein axisOssification centersIhhCartilage
2007
The PTHrP Functional Domain Is at the Gates of Endochondral Bones
BROADUS AE, MACICA C, CHEN X. The PTHrP Functional Domain Is at the Gates of Endochondral Bones. Annals Of The New York Academy Of Sciences 2007, 1116: 65-81. PMID: 18083922, DOI: 10.1196/annals.1402.061.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone DevelopmentCartilage, ArticularLac OperonMiceParathyroid Hormone-Related ProteinConceptsGene expression productsEndochondral boneGene regulation experimentsFunctional domainsBone cell populationsMesenchymal condensationLow abundanceChondrocyte populationsKnockin miceCell populationsGrowth plate cartilageUnrecognized siteInsertion siteExpressionEpiphyseal cartilageSitesLacZAbundanceMechanical regulation of PTHrP expression in entheses
Chen X, Macica C, Nasiri A, Judex S, Broadus AE. Mechanical regulation of PTHrP expression in entheses. Bone 2007, 41: 752-759. PMID: 17869201, PMCID: PMC2219696, DOI: 10.1016/j.bone.2007.07.020.Peer-Reviewed Original ResearchConceptsMedial collateral ligamentPTHrP expressionSurgical transectionBone cell populationsTail suspensionType 1 PTH/PTHrP receptorCell populationsPTH/PTHrP receptorDetailed histological evaluationSitu hybridization histochemical techniquesDistinct temporospatial patternLigament insertion sitesMetaphyseal periosteumPTHrP receptorOsteoclastic activityCollateral ligamentHistological evaluationReporter miceKnockin miceInsertion siteKnockin reporter micePTHrPPTHrP geneCD-1Periosteum
2006
Induction of parathyroid hormone‐related peptide following peripheral nerve injury: Role as a modulator of Schwann cell phenotype
Macica CM, Liang G, Lankford KL, Broadus AE. Induction of parathyroid hormone‐related peptide following peripheral nerve injury: Role as a modulator of Schwann cell phenotype. Glia 2006, 53: 637-648. PMID: 16470617, DOI: 10.1002/glia.20319.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell DifferentiationCell ProliferationCells, CulturedCyclic AMP Response Element-Binding ProteinDisease Models, AnimalGanglia, SpinalGrowth ConesLigationMiceNerve RegenerationNeurons, AfferentParathyroid Hormone-Related ProteinPeripheral Nerve InjuriesPeripheral NervesRatsRats, Sprague-DawleyReceptor, Parathyroid Hormone, Type 1RNA, MessengerSchwann CellsSciatic NerveSciatic NeuropathyUp-RegulationConceptsSciatic nerve injury modelNerve injury modelPeripheral nerve injuryRole of PTHrPHormone-related peptideSchwann cellsSciatic nerveNerve injuryInjury modelNerve regenerationNervous systemParathyroid hormone-related peptideInjured sciatic nerveDedifferentiated Schwann cellsSchwann cell phenotypeRat nervous systemPeripheral nervous systemPTHrP receptor mRNASuccessful nerve regenerationType 1 collagen matrixSchwann cell culturesSympathetic gangliaPTHrP functionsPTHrP mRNAReceptor mRNAInitial Characterization of PTH‐Related Protein Gene‐Driven lacZ Expression in the Mouse*
Chen X, Macica CM, Dreyer BE, Hammond VE, Hens JR, Philbrick WM, Broadus AE. Initial Characterization of PTH‐Related Protein Gene‐Driven lacZ Expression in the Mouse*. Journal Of Bone And Mineral Research 2006, 21: 113-123. PMID: 16355280, DOI: 10.1359/jbmr.051005.Peer-Reviewed Original Research
2005
Stretch‐Induced PTH‐Related Protein Gene Expression in Osteoblasts*
Chen X, Macica CM, Ng KW, Broadus AE. Stretch‐Induced PTH‐Related Protein Gene Expression in Osteoblasts*. Journal Of Bone And Mineral Research 2005, 20: 1454-1461. PMID: 16007342, DOI: 10.1359/jbmr.2005.20.8.1454.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone and BonesCalcium Channel BlockersCalcium ChannelsCell DifferentiationCells, CulturedGadoliniumGene ExpressionNifedipineOsteoblastsParathyroid Hormone-Related ProteinRatsRNA, MessengerTensile StrengthConceptsAnabolic effectsStretch-activated potassium channelsCandidate mediatorsCyclical stretchPotassium channelsL-type calcium channelsN-terminal PTHPTHrP mRNA expressionStretch-activated cation channelsSmooth muscle cellsOsteoblast-like cellsUMR 201PTHrP gene expressionHypotonic solutionEndogenous mediatorsPTHrP mRNAIntracellular acidosisExtracellular calciumCalcium channelsFlexercell apparatusPTHrPRNase protection assaysMRNA expressionMuscle cellsSkeletal mass
2003
PTHrP regulates cerebral blood flow and is neuroprotective
Macica CM, Broadus AE. PTHrP regulates cerebral blood flow and is neuroprotective. AJP Regulatory Integrative And Comparative Physiology 2003, 284: r1019-r1020. PMID: 12626363, DOI: 10.1152/ajpregu.00001.2003.Peer-Reviewed Original ResearchAnimalsGene Expression Regulation, DevelopmentalNeuroprotective AgentsParathyroid Hormone-Related ProteinPeptide HormonesTelencephalon