2019
Cathepsin K-deficient osteocytes prevent lactation-induced bone loss and parathyroid hormone suppression
Lotinun S, Ishihara Y, Nagano K, Kiviranta R, Carpentier VT, Neff L, Parkman V, Ide N, Hu D, Dann P, Brooks D, Bouxsein ML, Wysolmerski J, Gori F, Baron R. Cathepsin K-deficient osteocytes prevent lactation-induced bone loss and parathyroid hormone suppression. Journal Of Clinical Investigation 2019, 129: 3058-3071. PMID: 31112135, PMCID: PMC6668688, DOI: 10.1172/jci122936.Peer-Reviewed Original ResearchConceptsLactation-induced bone lossParathyroid hormoneBone lossBone resorptionCathepsin KMilk calcium levelsParathyroid hormone suppressionSerum parathyroid hormoneRegulation of PTHOsteoclastic bone resorptionTrabecular bone volumeOsteocyte lacunar areaHormone suppressionHigh calcium demandOsteoclast numberCortical thicknessEffect of lactationCalcium levelsNormal rangeBone volumeCalcium demandExact mechanismLacunar areaResorptionSufficient calcium
2011
Site‐specific changes in bone microarchitecture, mineralization, and stiffness during lactation and after weaning in mice
Liu XS, Ardeshirpour L, VanHouten JN, Shane E, Wysolmerski JJ. Site‐specific changes in bone microarchitecture, mineralization, and stiffness during lactation and after weaning in mice. Journal Of Bone And Mineral Research 2011, 27: 865-875. PMID: 22189918, DOI: 10.1002/jbmr.1503.Peer-Reviewed Original ResearchConceptsWhole bone stiffnessNulliparous miceBone microarchitectureTissue mineralizationBone mineral density BMDIndividual trabecula segmentationDramatic bone lossBone mineral densityBone stiffnessRecovered miceBone lossMineral densityPup weaningEffect of lactationMouse modelSkeletal sitesBone quantityClinical observationsMicro-finite element analysisBone qualitySite-specific changesSkeletal changesDigital topological analysisMiceCortical structures