2015
OPG Treatment Prevents Bone Loss During Lactation But Does Not Affect Milk Production or Maternal Calcium Metabolism
Ardeshirpour L, Dumitru C, Dann P, Sterpka J, VanHouten J, Kim W, Kostenuik P, Wysolmerski J. OPG Treatment Prevents Bone Loss During Lactation But Does Not Affect Milk Production or Maternal Calcium Metabolism. Endocrinology 2015, 156: 2762-2773. PMID: 25961842, PMCID: PMC4511126, DOI: 10.1210/en.2015-1232.Peer-Reviewed Original ResearchConceptsBone lossOPG treatmentOsteoblast numberActivated B cells ligandLactational bone lossMaternal calcium homeostasisMaternal calcium metabolismMilk calcium levelsRapid bone lossDietary calcium intakeMaternal bone lossBone resorption rateMaternal hypocalcemiaRecombinant OPGCalcium intakeMaternal deathsOsteoprotegerin levelsMaternal skeletonBone turnoverDietary calciumCalcium metabolismOsteoclast numberBone massOsteoclast activityAnabolic response
2013
Osteocytes remove and replace perilacunar mineral during reproductive cycles
Wysolmerski JJ. Osteocytes remove and replace perilacunar mineral during reproductive cycles. Bone 2013, 54: 230-236. PMID: 23352996, PMCID: PMC3624069, DOI: 10.1016/j.bone.2013.01.025.BooksConceptsBone lossLevels of PTHrPNegative calcium balanceLevels of estrogenPrincipal bone-resorbing cellsSkeletal calcium storesBone-resorbing cellsPTHrP levelsBone turnoverBone resorptionBone massMineral metabolismCalcium balanceRole of osteocytesCalcium storesMineral homeostasisOsteocytic osteolysisReproductive cycleOsteocytesSystemic demandsPericanalicular matrixCalciumLactationBone
2011
Skeletal recovery after weaning does not require PTHrP*
Kirby BJ, Ardeshirpour L, Woodrow JP, Wysolmerski JJ, Sims NA, Karaplis AC, Kovacs CS. Skeletal recovery after weaning does not require PTHrP*. Journal Of Bone And Mineral Research 2011, 26: 1242-1251. PMID: 21308774, PMCID: PMC3179289, DOI: 10.1002/jbmr.339.Peer-Reviewed Original ResearchConceptsBone mineral contentParathyroid hormoneBone massSerum calciumLumbar spine bone mineral contentTrabecular bone mineral contentParathyroid hormone-related proteinSpine bone mineral contentBone formationNormal serum calciumLow bone massAdult bone massPTHrP mRNA expressionWild-type miceHormone-related proteinEnd of lactationType 1 collagenUrine calciumSkeletal recoveryPTHrP mRNANull miceMRNA expressionFull recoveryMiceConditional knockout
2007
Weaning Triggers a Decrease in Receptor Activator of Nuclear Factor-κB Ligand Expression, Widespread Osteoclast Apoptosis, and Rapid Recovery of Bone Mass after Lactation in Mice
Ardeshirpour L, Dann P, Adams DJ, Nelson T, VanHouten J, Horowitz MC, Wysolmerski JJ. Weaning Triggers a Decrease in Receptor Activator of Nuclear Factor-κB Ligand Expression, Widespread Osteoclast Apoptosis, and Rapid Recovery of Bone Mass after Lactation in Mice. Endocrinology 2007, 148: 3875-3886. PMID: 17495007, DOI: 10.1210/en.2006-1467.Peer-Reviewed Original ResearchConceptsBone lossBone massBone turnoverReceptor activatorOsteoclast apoptosisRapid bone lossC-telopeptide levelsNumber of osteoclastsBone formation rateNuclear factor-kappaB ligand (RANKL) mRNANuclear factor-kappaB ligand (RANKL) expressionRapid recoveryLevels of osteocalcinCessation of lactationSkeletal anabolismPTH levelsCalcium metabolismBone resorptionBone histomorphometryBone microarchitectureCalcium levelsOsteoblast numberLigand expressionReciprocal decreaseBone recovery
2005
The calcium-sensing receptor regulates PTHrP production and calcium transport in the lactating mammary gland
Ardeshirpour L, Dann P, Pollak M, Wysolmerski J, VanHouten J. The calcium-sensing receptor regulates PTHrP production and calcium transport in the lactating mammary gland. Bone 2005, 38: 787-793. PMID: 16377269, DOI: 10.1016/j.bone.2005.11.009.Peer-Reviewed Original ResearchConceptsCalcium-sensing receptorPTHrP productionMammary epithelial cellsMammary glandCalcium transportEpithelial cellsCalcium homeostasisParathyroid hormone-related proteinParathyroid hormone secretionProduction of PTHrPHormone-related proteinSystemic calcium homeostasisExtracellular calcium ionsTransepithelial calcium transportG protein-coupled receptorsHormone secretionParathyroid glandsBone massCalcium handlingRenal tubulesTransient lossGlandGenetic confirmationReceptorsSecretionTOPGAL Mice Show That the Canonical Wnt Signaling Pathway Is Active During Bone Development and Growth and Is Activated by Mechanical Loading In Vitro*
Hens JR, Wilson KM, Dann P, Chen X, Horowitz MC, Wysolmerski JJ. TOPGAL Mice Show That the Canonical Wnt Signaling Pathway Is Active During Bone Development and Growth and Is Activated by Mechanical Loading In Vitro*. Journal Of Bone And Mineral Research 2005, 20: 1103-1113. PMID: 15940363, DOI: 10.1359/jbmr.050210.Peer-Reviewed Original ResearchConceptsTOPGAL miceBone developmentCanonical WntMature skeletonNeonatal bone developmentCanonical Wnt Signaling PathwayExpression of WntActivation of WntWnt Signaling PathwayX-gal stainingCalvarial cellsT-cell factorBone massCanonical Wnt activityCanonical Wnt signalingPrimary calvarial cell culturesMiceAnabolic activityPrimary calvarial cellsRT-PCRCell factorCultured calvarial cellsNeonatal skeletonCollagen ISignaling pathways
2004
Mammary-specific deletion of parathyroid hormone-related protein preserves bone mass during lactation
VanHouten J, Dann P, Stewart A, Watson C, Pollak M, Karaplis A, Wysolmerski J. Mammary-specific deletion of parathyroid hormone-related protein preserves bone mass during lactation. Journal Of Clinical Investigation 2004, 113: 492-492. DOI: 10.1172/jci19504c1.Peer-Reviewed Original Research
2003
Mammary-specific deletion of parathyroid hormone–related protein preserves bone mass during lactation
VanHouten JN, Dann P, Stewart AF, Watson CJ, Pollak M, Karaplis AC, Wysolmerski JJ. Mammary-specific deletion of parathyroid hormone–related protein preserves bone mass during lactation. Journal Of Clinical Investigation 2003, 112: 1429-1436. PMID: 14597768, PMCID: PMC228471, DOI: 10.1172/jci19504.Peer-Reviewed Original ResearchConceptsBone lossBone turnoverMammary epithelial cellsParathyroid hormone-related proteinMammary glandMammary-specific deletionPTHrP-knockout miceRapid bone lossEpithelial cellsDihydroxy vitamin DNegative calcium balanceHormone-related proteinPreserves bone massAbsence of PTHrPExpression of CreUrinary cAMPVitamin DBone resorptionLate pregnancyBone massPTHrP mRNACalcium balanceKnockout micePTHrP proteinMammary developmentLow Estrogen and High Parathyroid Hormone-Related Peptide Levels Contribute to Accelerated Bone Resorption and Bone Loss in Lactating Mice
VanHouten JN, Wysolmerski JJ. Low Estrogen and High Parathyroid Hormone-Related Peptide Levels Contribute to Accelerated Bone Resorption and Bone Loss in Lactating Mice. Endocrinology 2003, 144: 5521-5529. PMID: 14500568, DOI: 10.1210/en.2003-0892.Peer-Reviewed Original ResearchConceptsBone lossBone mineral densityBone resorptionMineral densityDual-energy X-ray absorptiometryBone resorption markersX-ray absorptiometryRegulation of calciumAge-matched virginsPamidronate treatmentPTHrP levelsResorption markersLow estrogenEstrogen deficiencyBone turnoverEstrogen levelsPregnant miceBone metabolismBone massPeptide levelsSkeletal metabolismTotal bodyBone volumeCalcium homeostasisBiochemical markers