2024
Mitofusin 2 plays a critical role in maintaining the functional integrity of the neuromuscular-skeletal axis
Zhu M, Zeiss C, Hamrick M, Weinstein R, Sun B, Brotto M, Liu X, Siu E, Huttner A, Tommasini S, Simpson C, Insogna K. Mitofusin 2 plays a critical role in maintaining the functional integrity of the neuromuscular-skeletal axis. Bone 2024, 184: 117086. PMID: 38552893, DOI: 10.1016/j.bone.2024.117086.Peer-Reviewed Original ResearchConceptsDeletion of Mfn2Bone mineral densityMitofusin 2Reduced expression of Mfn2Myofiber atrophySpinal cordTransgenic mice expressing CreMice expressing CreNon-redundant roleSkeletal muscle histologyLumbar spinal cordTrabecular bone massLean body massExpression of Mfn2Mitochondrial reticulumMFN2 geneDisruption of cellular architectureImpaired osteoblast differentiationOsteoblast lineage commitmentMfn2Mitochondrial sizeMitofusinMineral densityCo-expressionDisorganized sarcomeres
2016
Integrating GWAS and Co-expression Network Data Identifies Bone Mineral Density Genes SPTBN1 and MARK3 and an Osteoblast Functional Module
Calabrese GM, Mesner LD, Stains JP, Tommasini SM, Horowitz MC, Rosen CJ, Farber CR. Integrating GWAS and Co-expression Network Data Identifies Bone Mineral Density Genes SPTBN1 and MARK3 and an Osteoblast Functional Module. Cell Systems 2016, 4: 46-59.e4. PMID: 27866947, PMCID: PMC5269473, DOI: 10.1016/j.cels.2016.10.014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone and BonesBone DensityChromosome MappingGenetic Predisposition to DiseaseGenome-Wide Association StudyHumansMiceMice, Inbred C57BLMice, KnockoutOsteoblastsOsteoporosisOsteoporotic FracturesPhenotypePolymorphism, Single NucleotideProtein Serine-Threonine KinasesSpectrinTranscriptomeConceptsGenome-wide association studiesCo-expression networkGWAS lociCausal genesBMD genome-wide association studiesIntegrating Genome-Wide Association StudyBMD GWAS lociGWAS associationsMapping genesGWAS dataAssociation studiesGenesLociFunctional modulesHeritable predictorSPTBN1Most associationsWide range
2014
The Transcription Factor T-box 3 Regulates Colony-stimulating Factor 1-dependent Jun Dimerization Protein 2 Expression and Plays an Important Role in Osteoclastogenesis*
Yao C, Yao GQ, Sun BH, Zhang C, Tommasini SM, Insogna K. The Transcription Factor T-box 3 Regulates Colony-stimulating Factor 1-dependent Jun Dimerization Protein 2 Expression and Plays an Important Role in Osteoclastogenesis*. Journal Of Biological Chemistry 2014, 289: 6775-6790. PMID: 24394418, PMCID: PMC3945339, DOI: 10.1074/jbc.m113.499210.Peer-Reviewed Original Research
2011
Changes in intracortical microporosities induced by pharmaceutical treatment of osteoporosis as detected by high resolution micro-CT
Tommasini SM, Trinward A, Acerbo AS, De Carlo F, Miller LM, Judex S. Changes in intracortical microporosities induced by pharmaceutical treatment of osteoporosis as detected by high resolution micro-CT. Bone 2011, 50: 596-604. PMID: 22226688, PMCID: PMC3278519, DOI: 10.1016/j.bone.2011.12.012.Peer-Reviewed Original ResearchConceptsAge-matched controlsUntreated OVXEstrogen withdrawalSix-month-old female SpragueDifferent osteoporosis treatmentsUntreated OVX ratsStart of treatmentEndosteal regionOsteocyte lacunar sizeEffect of treatmentOVX ratsOsteoporosis treatmentFemale SpraguePTH treatmentDawley ratsCurrent treatmentNumber of lacunaeMedial cortexOsteocyte lacunaePharmaceutical treatmentOVXMedial quadrantAlendronateBone strengthFemoral diaphysis
2007
Genetic randomization reveals functional relationships among morphologic and tissue-quality traits that contribute to bone strength and fragility
Jepsen KJ, Hu B, Tommasini SM, Courtland HW, Price C, Terranova CJ, Nadeau JH. Genetic randomization reveals functional relationships among morphologic and tissue-quality traits that contribute to bone strength and fragility. Mammalian Genome 2007, 18: 492-507. PMID: 17557179, PMCID: PMC1998883, DOI: 10.1007/s00335-007-9017-5.Peer-Reviewed Original ResearchConceptsFunctional interactionMean trait valuesRI strainsCombination of traitsTrait valuesGenomic regionsCellular processesLoss of functionBone slendernessGenetic variabilityEnvironmental perturbationsSkeletal traitsAXB/BXAImportant functional interactionTraitsBiological paradigmBone traitsFunctional relationshipMouse strainsGenetic randomizationAdult malesHigher mineral densityStrainsUnique setGrowth
2005
Genetic Variation in Structure‐Function Relationships for the Inbred Mouse Lumbar Vertebral Body*
Tommasini SM, Morgan TG, van der Meulen MCh, Jepsen KJ. Genetic Variation in Structure‐Function Relationships for the Inbred Mouse Lumbar Vertebral Body*. Journal Of Bone And Mineral Research 2005, 20: 817-827. PMID: 15824855, DOI: 10.1359/jbmr.041234.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsBiomechanical PhenomenaBone and BonesFemaleGenetic VariationLumbar VertebraeMiceMice, Inbred C3HMice, Inbred C57BLMice, Inbred StrainsModels, AnatomicModels, BiologicalModels, GeneticMultivariate AnalysisPhenotypeSpecies SpecificityStress, MechanicalStructure-Activity RelationshipTensile StrengthTomography, X-Ray ComputedConceptsMechanical propertiesBone mechanical propertiesTrabecular bone tissueWhole bone mechanical propertiesMeasure of ductilityTotal deformationFailure loadVertebral mechanical propertiesBone tissueIsotropic voxel sizeBiomechanical analysisImaging systemPropertiesDuctilityStructure-function relationshipsVoxel sizeDeformationBV/TVStiffness