2013
Increasing dietary protein acutely augments intestinal iron transporter expression and significantly increases iron absorption in rats
Thomas CE, Gaffney‐Stomberg E, Sun B, O'Brien KO, Kerstetter JE, Insogna KL. Increasing dietary protein acutely augments intestinal iron transporter expression and significantly increases iron absorption in rats. The FASEB Journal 2013, 27: 2476-2483. PMID: 23447582, DOI: 10.1096/fj.12-221945.Peer-Reviewed Original ResearchConceptsIntestinal Fe absorptionDietary proteinFe absorptionIron transporter expressionTranscript expressionDuodenal mucosaAcute effectsSprague-DawleyStable iron isotopesIron absorptionShort-term effectsIsocaloric dietsIron deficiencyTransporter expressionLittle dataTransferrin receptorExpression of genesSeparate studiesGroupCurrent studyBalance studiesExpressionWhole genome profilingDawleyMucosa
2011
Selective deletion of the membrane-bound colony stimulating factor 1 isoform leads to high bone mass but does not protect against estrogen-deficiency bone loss
Yao GQ, Wu JJ, Troiano N, Zhu ML, Xiao XY, Insogna K. Selective deletion of the membrane-bound colony stimulating factor 1 isoform leads to high bone mass but does not protect against estrogen-deficiency bone loss. Journal Of Bone And Mineral Metabolism 2011, 30: 408-418. PMID: 22105655, PMCID: PMC4378684, DOI: 10.1007/s00774-011-0336-y.Peer-Reviewed Original ResearchAnimalsBone and BonesBone DensityCell DifferentiationCells, CulturedCoculture TechniquesColony-Stimulating FactorsFemaleHumansHypertriglyceridemiaMaleMiceMice, KnockoutOsteoblastsOsteoclastsOsteoporosisOsteoporosis, PostmenopausalProtein IsoformsRNA, MessengerSex CharacteristicsSolubilityUp-Regulation
2010
The Effect of Dietary Protein on Intestinal Calcium Absorption in Rats
Gaffney-Stomberg E, Sun BH, Cucchi CE, Simpson CA, Gundberg C, Kerstetter JE, Insogna KL. The Effect of Dietary Protein on Intestinal Calcium Absorption in Rats. Endocrinology 2010, 151: 1071-1078. PMID: 20147526, PMCID: PMC2840679, DOI: 10.1210/en.2009-0744.Peer-Reviewed Original ResearchConceptsIntestinal Ca absorptionCa absorptionHigh-protein dietUrinary calciumBrush border membrane vesiclesProtein intakeFemale Sprague-Dawley ratsProtein dietProtein intake resultsIntestinal calcium absorptionDietary protein intakeHigh protein intakeSprague-Dawley ratsLow-protein groupHigh protein groupDietary protein effectsCalcium absorptionAcute increaseDawley ratsDuodenal mucosaIntake resultsRatsCa balanceTranscellular CaDietary protein
2008
Expression and Synthesis of Bone Morphogenetic Proteins by Osteoclasts: A Possible Path to Anabolic Bone Remodeling
Garimella R, Tague SE, Zhang J, Belibi F, Nahar N, Sun BH, Insogna K, Wang J, Anderson HC. Expression and Synthesis of Bone Morphogenetic Proteins by Osteoclasts: A Possible Path to Anabolic Bone Remodeling. Journal Of Histochemistry & Cytochemistry 2008, 56: 569-577. PMID: 18319273, PMCID: PMC2386763, DOI: 10.1369/jhc.2008.950394.Peer-Reviewed Original ResearchMeSH KeywordsAcid PhosphataseAnimalsBlotting, WesternBone Marrow CellsBone Morphogenetic ProteinsBone RemodelingCoculture TechniquesFemurImmunohistochemistryIn Situ HybridizationIsoenzymesMiceOsteoclastsReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSkullTartrate-Resistant Acid PhosphataseTibiaConceptsBone morphogenetic proteinBMP-2Morphogenetic proteinsBMP-6 mRNAExpression of transcriptsMouse calvarial osteoblastsDifferentiation of osteoblastsBMP-4Osteoclast lysatesOrchestrated processIntercellular communicationReal-time PCRCalvarial osteoblastsBone marrow cellsSitu hybridizationDirect rolePossible direct roleProteinWestern blottingBone remodeling siteBone formationOsteoblastsAnabolic boneMarrow cellsExpression
2005
CSF-1 Induces fos Gene Transcription and Activates the Transcription Factor Elk-1 in Mature Osteoclasts
Yao G, Itokawa T, Paliwal I, Insogna K. CSF-1 Induces fos Gene Transcription and Activates the Transcription Factor Elk-1 in Mature Osteoclasts. Calcified Tissue International 2005, 76: 371-378. PMID: 15812575, DOI: 10.1007/s00223-004-0099-8.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornCell NucleusCells, CulturedDNA-Binding ProteinsEts-Domain Protein Elk-1Genes, fosMacrophage Colony-Stimulating FactorMiceMice, TransgenicOsteoclastsProto-Oncogene ProteinsProto-Oncogene Proteins c-fosRNA, MessengerTranscription FactorsTranscription, GeneticTranscriptional ActivationConceptsTranscription factor Elk-1Serum response elementTranscriptional activationElk-1CSF-1Response elementMature osteoclastsNuclear c-Fos proteinRegulation of FosBacterial lac Z geneC-fosSap-1aFos serum response elementFos promoterNuclear proteinsGene transcriptionFos geneMolecular mechanismsLac Z geneVehicle-treated cellsTargeted deletionFactor 1Absolute requirementC-Fos proteinLike cellsMultiple melanocortin receptors are expressed in bone cells
Zhong Q, Sridhar S, Ruan L, Ding KH, Xie D, Insogna K, Kang B, Xu J, Bollag RJ, Isales CM. Multiple melanocortin receptors are expressed in bone cells. Bone 2005, 36: 820-831. PMID: 15804492, DOI: 10.1016/j.bone.2005.01.020.Peer-Reviewed Original ResearchMeSH KeywordsAdrenocorticotropic HormoneAnimalsBase SequenceBlotting, NorthernBlotting, SouthernCyclic AMPDNA PrimersHumansImmunohistochemistryMiceOligonucleotide Array Sequence AnalysisOsteoblastsPro-OpiomelanocortinProtein BindingRatsReceptors, CorticotropinReceptors, MelanocortinReverse Transcriptase Polymerase Chain ReactionRNA, MessengerThymidineConceptsMelanocortin receptorsBone turnoverOsteoclastic cellsReceptor familySteroid hormone secretionBone cellsMelanocortin receptor familyFamily of receptorsHormone secretionBeta-endorphinSpecific effectsPOMC fragmentsPOMC mRNACell subpopulationsAlpha betaGamma-MSHReceptorsPeptide hormonesPOMCG proteinsVivo dataBoneHormoneOsteoblastic cellsVariety of genes
2001
IL-6 negatively regulates IL-11 production in vitro and in vivo.
Nakchbandi I, Mitnick M, Masiukiewicz U, Sun B, Insogna K. IL-6 negatively regulates IL-11 production in vitro and in vivo. Endocrinology 2001, 142: 3850-6. PMID: 11517162, DOI: 10.1210/endo.142.9.8368.Peer-Reviewed Original ResearchConceptsIL-11 productionIL-6IL-11Bone resorptionOsteoclast formationIL-6 levelsIL-11 levelsFive-day infusionPTH excessPrimary hyperparathyroidismSerum levelsResorptive responseParathyroid adenomectomyPretreatment of cellsHuman PTHNonimmune serumPTHEffect of pretreatmentMRNA levelsSteady-state mRNA levelsPatientsCytokinesHuman osteoblast-like cellsResorptionSaos-2 cellsParathyroid hormone induces hepatic production of bioactive interleukin-6 and its soluble receptor
Mitnick M, Grey A, Masiukiewicz U, Bartkiewicz M, Rios-Velez L, Friedman S, Xu L, Horowitz M, Insogna K. Parathyroid hormone induces hepatic production of bioactive interleukin-6 and its soluble receptor. AJP Endocrinology And Metabolism 2001, 280: e405-e412. PMID: 11171594, DOI: 10.1152/ajpendo.2001.280.3.e405.Peer-Reviewed Original ResearchConceptsInterleukin-6IL-6sRParathyroid hormoneSoluble receptorBioactive interleukin-6Hepatic IL-6 productionBioactive IL-6IL-6 productionType 1 receptorHepatic stellate cellsDose-dependent productionIsolated rat liverHepatic endothelial cellsIL-6sR.Serum levelsBone resorptionHepatic productionEndocrine effectsKupffer cellsStellate cellsPTHImportant mediatorEndothelial cellsLiverHormone
2000
Nuclear Factor-κB p50 Is Required for Tumor Necrosis Factor-α-Induced Colony-Stimulating Factor-1 Gene Expression in Osteoblasts*
Yao G, Sun B, Insogna K, Weir E. Nuclear Factor-κB p50 Is Required for Tumor Necrosis Factor-α-Induced Colony-Stimulating Factor-1 Gene Expression in Osteoblasts*. Endocrinology 2000, 141: 2914-2922. PMID: 10919279, DOI: 10.1210/endo.141.8.7592.Peer-Reviewed Original ResearchConceptsCSF-1 expressionGene expressionElectrophoretic mobility shift assaysCSF-1 promoterCSF-1 gene expressionMobility shift assaysInducible complexTranscriptional mechanismsShift assaysNuclear factor-κB p50Northern analysisNF-kappaB p50NF-kappaB siteCSF-1Messenger RNAC-RelBcl-3Rel BRNA expressionTNF treatmentHematopoietic growth factorsMessenger RNA expressionIkappaB-alphaOsteoblastsNF-kappaB
1998
The Cell-surface Form of Colony-stimulating Factor-1 Is Regulated by Osteotropic Agents and Supports Formation of Multinucleated Osteoclast-like Cells*
Yao G, Sun B, Hammond E, Spencer E, Horowitz M, Insogna K, Weir E. The Cell-surface Form of Colony-stimulating Factor-1 Is Regulated by Osteotropic Agents and Supports Formation of Multinucleated Osteoclast-like Cells*. Journal Of Biological Chemistry 1998, 273: 4119-4128. PMID: 9461606, DOI: 10.1074/jbc.273.7.4119.Peer-Reviewed Original ResearchConceptsColony-stimulating factor-1Osteoclast formationReverse transcriptase-polymerase chain reactionFactor 1Quantitative reverse transcriptase-polymerase chain reactionTumor necrosis factorTranscriptase-polymerase chain reactionOsteoclast-like cellsHematopoietic growth factorsCSF-1 isoformsView of evidenceCell surface formPolymerase chain reactionCo-culture systemNecrosis factorOsteotropic hormonesOsteoclast function
1996
Tumor necrosis factor‐α induces transcription of the colony‐stimulating factor‐1 gene in murine osteoblasts
Kaplan D, Eielson C, Horowitz M, Insogna K, Weir E. Tumor necrosis factor‐α induces transcription of the colony‐stimulating factor‐1 gene in murine osteoblasts. Journal Of Cellular Physiology 1996, 168: 199-208. PMID: 8647916, DOI: 10.1002/(sici)1097-4652(199607)168:1<199::aid-jcp24>3.0.co;2-1.Peer-Reviewed Original ResearchConceptsColony-stimulating factor-1CSF-1 expressionMC3T3-E1 cellsCSF-1 mRNACSF-1 gene transcriptionMRNA stability studiesFactor 1 geneNew protein synthesisSecond messenger pathwaysPrimary mouse osteoblastsColony-stimulating factor-1 (CSF-1) geneTranscriptional mechanismsGene transcriptionResponsive cell linesInduces transcriptionNorthern analysisProgenitor proliferationTNF-alpha treatmentProtein synthesisCAMP pathwayTranscript expressionMessenger pathwaysMurine osteoblastsCycloheximide treatmentCellular mechanisms
1988
Identification of transcripts encoding a parathyroid hormone-like peptide in messenger RNAs from a variety of human and animal tumors associated with humoral hypercalcemia of malignancy.
Ikeda K, Mangin M, Dreyer BE, Webb AC, Posillico JT, Stewart AF, Bander NH, Weir EC, Insogna KL, Broadus AE. Identification of transcripts encoding a parathyroid hormone-like peptide in messenger RNAs from a variety of human and animal tumors associated with humoral hypercalcemia of malignancy. Journal Of Clinical Investigation 1988, 81: 2010-2014. PMID: 2454953, PMCID: PMC442656, DOI: 10.1172/jci113551.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCloning, MolecularHumansHypercalcemiaKidney NeoplasmsMolecular Sequence DataNeoplasm ProteinsNucleic Acid HybridizationParaneoplastic SyndromesParathyroid HormoneParathyroid Hormone-Related ProteinPoly ARNARNA, MessengerRNA, NeoplasmSequence Homology, Nucleic AcidTranscription, GeneticConceptsPTH-like peptideParathyroid hormone-like peptideAnimal tumorsHumoral hypercalcemiaHormone-like peptideSyndrome of HHMVariety of humanHuman PTH-like peptideSimilar histological typeHistological typeHuman PTHTumor typesTumorsHHMHypercalcemiaMalignancySyndromeMessenger RNAMRNAWide spectrumHumansPeptidesMammalian speciesRNAPTH