2021
An Unanticipated Role for Sphingosine Kinase-2 in Bone and in the Anabolic Effect of Parathyroid Hormone
Walker JM, Yao GQ, Siu E, Zhu M, Sun BH, Simpson C, Insogna KL. An Unanticipated Role for Sphingosine Kinase-2 in Bone and in the Anabolic Effect of Parathyroid Hormone. Endocrinology 2021, 162: bqab042. PMID: 33640975, PMCID: PMC8095390, DOI: 10.1210/endocr/bqab042.Peer-Reviewed Original ResearchConceptsSphk2-/- miceParathyroid hormoneAnabolic responseFemoral trabecular BV/TVLower spinal bone mineral densityTrabecular BV/TVSpinal bone mineral densityDaily parathyroid hormoneFemoral bone volumeSuppression of sclerostinEnd of treatmentNormal bone massBone mineral densityNormal bone remodelingRole of SphK1BV/TVFemale control animalsSphingosine kinase 2Sphingosine kinaseControl miceLow BMDAnabolic effectsBone massMineral densityControl animals
2017
Selective deletion of the soluble Colony-Stimulating Factor 1 isoform in vivo prevents estrogen-deficiency bone loss in mice
Yao GQ, Troiano N, Simpson CA, Insogna KL. Selective deletion of the soluble Colony-Stimulating Factor 1 isoform in vivo prevents estrogen-deficiency bone loss in mice. Bone Research 2017, 5: 17022. PMID: 29152381, PMCID: PMC5684603, DOI: 10.1038/boneres.2017.22.Peer-Reviewed Original ResearchBone mineral densityEstrogen-deficiency bone lossBone lossO miceTotal bone mineral densityWild-type female miceDual-energy X-ray absorptiometryX-ray absorptiometrySham-OVXReverse transcription-PCRFemale miceMineral densityWT controlsOVXSelective deletionMiceTranscription-PCRSignificant differencesCSF1Bone tissueMicro-CTSkeletal tissuesTissueNon-redundant functionsAnimals