2012
Sclerostin: A new mediator of crosstalk between the skeletal and immune systems*
Horowitz MC, Fretz JA. Sclerostin: A new mediator of crosstalk between the skeletal and immune systems*. Journal Of Bone And Mineral Research 2012, 27: 1448-1450. PMID: 22706900, DOI: 10.1002/jbmr.1672.Commentaries, Editorials and Letters
2010
How B cells influence bone biology in health and disease
Horowitz MC, Fretz JA, Lorenzo JA. How B cells influence bone biology in health and disease. Bone 2010, 47: 472-479. PMID: 20601290, PMCID: PMC2941392, DOI: 10.1016/j.bone.2010.06.011.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsHematopoietic stem cellsB cell differentiationCell differentiationTranscription factorsBone cellsImportant regulatory interactionsBone phenotypeRegulatory interactionsB cellsTemporal mannerSupportive nicheStem cellsAdaptive immune systemBone biologyDifferentiationRANKL-RANKActivated B cellsEndosteal bone surfaceNormal bone remodelingNicheSpecific responsesPhenotypeCellsImportant roleImmune system
2007
Receptor Activator of Nuclear Factor-κB Ligand-Induced Nuclear Factor of Activated T Cells (C1) Autoregulates Its Own Expression in Osteoclasts and Mediates the Up-Regulation of Tartrate-Resistant Acid Phosphatase
Fretz JA, Shevde NK, Singh S, Darnay BG, Pike JW. Receptor Activator of Nuclear Factor-κB Ligand-Induced Nuclear Factor of Activated T Cells (C1) Autoregulates Its Own Expression in Osteoclasts and Mediates the Up-Regulation of Tartrate-Resistant Acid Phosphatase. Endocrinology 2007, 22: 737-750. PMID: 18063694, PMCID: PMC2262172, DOI: 10.1210/me.2007-0333.Peer-Reviewed Original ResearchMeSH KeywordsAcid PhosphataseAnimalsBlotting, WesternBone and BonesCell LineChromatin ImmunoprecipitationHomeostasisIsoenzymesMiceMice, Inbred C57BLNFATC Transcription FactorsOsteoclastsPromoter Regions, GeneticRANK LigandReverse Transcriptase Polymerase Chain ReactionRNA, MessengerTartrate-Resistant Acid PhosphataseTranscription, GeneticUp-RegulationConceptsNFAT membersRNA polymerase IIDNA-binding proteinsSpecific transcription factorsChromatin immunoprecipitation analysisSignal transduction pathwaysAdditional molecular detailsNuclear factorActivated T cells cytoplasmic 1Polymerase IIAcp5 promotersTranscription factorsTransduction pathwaysMolecular detailsTarget genesOwn expressionImmunoprecipitation analysisP1 promoterBone-resorbing cellsReceptor activatorHematopoietic precursorsGenesNuclear factor-κB ligandCytoplasmic 1Time-dependent accumulationTargeted Deletion of a Distant Transcriptional Enhancer of the Receptor Activator of Nuclear Factor-κB Ligand Gene Reduces Bone Remodeling and Increases Bone Mass
Galli C, Zella LA, Fretz JA, Fu Q, Pike JW, Weinstein RS, Manolagas SC, O’Brien C. Targeted Deletion of a Distant Transcriptional Enhancer of the Receptor Activator of Nuclear Factor-κB Ligand Gene Reduces Bone Remodeling and Increases Bone Mass. Endocrinology 2007, 149: 146-153. PMID: 17932217, PMCID: PMC2194617, DOI: 10.1210/en.2007-0734.Peer-Reviewed Original Research
2006
1,25-Dihydroxyvitamin D3 regulates the expression of low-density lipoprotein receptor-related protein 5 via deoxyribonucleic acid sequence elements located downstream of the start site of transcription.
Fretz JA, Zella LA, Kim S, Shevde NK, Pike JW. 1,25-Dihydroxyvitamin D3 regulates the expression of low-density lipoprotein receptor-related protein 5 via deoxyribonucleic acid sequence elements located downstream of the start site of transcription. Endocrinology 2006, 20: 2215-30. PMID: 16613987, DOI: 10.1210/me.2006-0102.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone and BonesCells, CulturedChromatinChromatin ImmunoprecipitationConserved SequenceDimerizationDNAGene Expression RegulationHumansIntronsLDL-Receptor Related ProteinsLow Density Lipoprotein Receptor-Related Protein-5MiceMice, Inbred C57BLMolecular Sequence DataOsteoblastsPromoter Regions, GeneticProtein BindingReceptors, CalcitriolRetinoid X ReceptorsRNA Polymerase IISequence AlignmentTranscription, GeneticVitamin DVitamin D Response ElementConceptsVitamin D response elementD response elementResponse elementDNA microarray analysisChromatin structureChromatin immunoprecipitationOsteoblast biologyReceptor FrizzledHuman genomeLipoprotein receptor-related protein 5Regulatory regionsStart siteLrp5 locusLow-density lipoprotein receptor-related protein 5Sequence elementsHeterologous promoterMature osteoblastsMicroarray analysisOsteoblast precursorsDirect targetProtein 5Cell line originLine originPrimary osteoblastsGenes