2009
Regulation of Aryl Hydrocarbon Receptor Function by Selective Estrogen Receptor Modulators
DuSell CD, Nelson ER, Wittmann BM, Fretz JA, Kazmin D, Thomas RS, Pike JW, McDonnell DP. Regulation of Aryl Hydrocarbon Receptor Function by Selective Estrogen Receptor Modulators. Endocrinology 2009, 24: 33-46. PMID: 19901195, PMCID: PMC2802893, DOI: 10.1210/me.2009-0339.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAryl Hydrocarbon Receptor Nuclear TranslocatorBreast NeoplasmsCell DifferentiationCell LineCell Line, TumorChromatin ImmunoprecipitationDose-Response Relationship, DrugFemaleGene Expression ProfilingGene Expression RegulationHumansMaleMiceOsteoclastsReceptors, Aryl HydrocarbonReceptors, EstrogenRecombinant ProteinsSelective Estrogen Receptor ModulatorsTamoxifenConceptsSelective estrogen receptor modulatorsAryl hydrocarbon receptorEstrogen receptor modulatorsEstrogen receptorReceptor modulatorsBreast cancerAbsence of ERER-independent mannerAryl hydrocarbon receptor functionAgonist/antagonist activityActivity of drugsAhR target genesEstradiol metabolismPharmacological actionsOsteoclast differentiationTamoxifenTherapeutic efficacyActive metaboliteReceptor functionAntagonist activityHydrocarbon receptorCalcium signalingCellular proliferationPotential roleCellular model
2007
Targeted 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 Research1,25-Dihydroxyvitamin D3 induces expression of the Wnt signaling co-regulator LRP5 via regulatory elements located significantly downstream of the gene's transcriptional start site
Fretz JA, Zella LA, Kim S, Shevde NK, Pike JW. 1,25-Dihydroxyvitamin D3 induces expression of the Wnt signaling co-regulator LRP5 via regulatory elements located significantly downstream of the gene's transcriptional start site. The Journal Of Steroid Biochemistry And Molecular Biology 2007, 103: 440-445. PMID: 17229572, PMCID: PMC1868540, DOI: 10.1016/j.jsbmb.2006.11.018.Peer-Reviewed Original ResearchConceptsTranscriptional start siteGene transcriptional start siteChIP-chip analysisLRP5/LRP6Chromatin structureHuman genomeRegulatory regionsStart siteRegulatory elementsWnt familyHeterologous promoterCanonical WntMembrane receptorsMRNA transcriptsWntSecreted memberOsteoblastic cellsLRP5GenesVDRELRP5 geneBone formationProteinLrp5 locusOsteoblast numberPerspectives on mechanisms of gene regulation by 1,25-dihydroxyvitamin D3 and its receptor
Pike JW, Meyer MB, Watanuki M, Kim S, Zella LA, Fretz JA, Yamazaki M, Shevde NK. Perspectives on mechanisms of gene regulation by 1,25-dihydroxyvitamin D3 and its receptor. The Journal Of Steroid Biochemistry And Molecular Biology 2007, 103: 389-395. PMID: 17223545, PMCID: PMC1868541, DOI: 10.1016/j.jsbmb.2006.12.050.Peer-Reviewed Original ResearchConceptsTarget genesBasal transcriptional machineryChromatin immunoprecipitation techniqueVitamin D receptorKey target genesExpression of genesAltered gene expressionTranscriptional machineryVertebrate organismsGene regulationSystemic signalsTranscriptional modulationRegulatory regionsDNA sitesGene locusGene expressionPromoter regionEnhancer regionGenesImmunoprecipitation techniquesRegulatory capabilitiesMaintenance of calciumModular natureExpressionNew insightsMultiple enhancer regions located at significant distances upstream of the transcriptional start site mediate RANKL gene expression in response to 1,25-dihydroxyvitamin D3
Kim S, Yamazaki M, Zella LA, Meyer MB, Fretz JA, Shevde NK, Pike JW. Multiple enhancer regions located at significant distances upstream of the transcriptional start site mediate RANKL gene expression in response to 1,25-dihydroxyvitamin D3. The Journal Of Steroid Biochemistry And Molecular Biology 2007, 103: 430-434. PMID: 17197168, PMCID: PMC1892901, DOI: 10.1016/j.jsbmb.2006.12.020.Peer-Reviewed Original ResearchConceptsTranscription start siteStart siteChip analysisMultiple enhancer regionsRNA polymerase IIPotential regulatory regionsTranscriptional start siteRANKL geneVDR/RXRChromatin hubHistone modificationsTranscriptional outputPolymerase IIRANKL gene expressionImportant functional consequencesMultiple enhancersRegulatory regionsTranscription factorsHeterologous promoterGene locusEnhancer regionGene expressionKb upstreamRANKL promoterLuciferase assay
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