2023
Crosstalk within a brain-breast-bone axis regulates mineral and skeletal metabolism during lactation
Athonvarangkul D, Wysolmerski J. Crosstalk within a brain-breast-bone axis regulates mineral and skeletal metabolism during lactation. Frontiers In Physiology 2023, 14: 1121579. PMID: 36875035, PMCID: PMC9979219, DOI: 10.3389/fphys.2023.1121579.Peer-Reviewed Original ResearchBone lossExcess bone lossExcessive bone lossPostmenopausal osteoporosisBone turnoverRare entityMineral metabolismSkeletal metabolismNew therapiesBone qualityCalcium demandOsteoporosisMammary glandCalcium deliveryBone axisReversible physiological responseLactationHormonal signalsCurrent knowledgeMetabolismPhysiological responsesPregnancyHypothalamusPathophysiologyTherapy
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