2015
Optimal internal fixation of anatomically shaped synthetic bone grafts for massive segmental defects of long bones
Vorys GC, Bai H, Chandhanayingyong C, Lee CH, Compton JT, Caldwell JM, Gardner TR, Mao JJ, Lee FY. Optimal internal fixation of anatomically shaped synthetic bone grafts for massive segmental defects of long bones. Clinical Biomechanics 2015, 30: 1114-1118. PMID: 26386637, PMCID: PMC9004608, DOI: 10.1016/j.clinbiomech.2015.08.016.Peer-Reviewed Original ResearchConceptsTorsional stiffnessHydroxyapatite composite scaffoldsCyclic torsional testsNon-locking fixationMassive segmental defectsTissue engineering strategiesLarge segmental bone defectsComposite scaffoldsLoading cyclesTorque controlSynthetic bone graftAxial stiffnessAngular rotationAxial compressionTorsional testsNon-destructive mannerGeometry representativeOptimal screw fixationSegmental bone defectsSuch scaffoldsTorque levelsStiffnessBiomechanical testingHuman tibiaEngineering strategies
2014
Effects of biomechanical forces on signaling in the cortical collecting duct (CCD)
Carrisoza-Gaytan R, Liu Y, Flores D, Else C, Lee HG, Rhodes G, Sandoval RM, Kleyman TR, Lee FY, Molitoris B, Satlin LM, Rohatgi R. Effects of biomechanical forces on signaling in the cortical collecting duct (CCD). American Journal Of Physiology. Renal Physiology 2014, 307: f195-f204. PMID: 24872319, PMCID: PMC4152160, DOI: 10.1152/ajprenal.00634.2013.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutocrine CommunicationCell LineDinoprostoneEnzyme ActivationExtracellular Signal-Regulated MAP KinasesFurosemideInjectionsIon TransportKidney CortexKidney Tubules, CollectingMechanotransduction, CellularMiceMicroscopy, Fluorescence, MultiphotonP38 Mitogen-Activated Protein KinasesParacrine CommunicationPhosphorylationPotassiumRatsRats, Sprague-DawleySodium ChlorideStress, MechanicalTime FactorsConceptsTubular fluid flow rateP-p38Biomechanical forcesCircumferential stretchIntravital microscopic approachP-ERK expressionFurosemide injectionPGE2 releaseIntracellular MAPKK secretionCollagen type IVCell culture modelTubular diameterEx vivoPGE2Fluid shear stressUnstretched controlsCCD cellsType IVP38 activationCulture modelMAPK signalingVivoPhysiological forcesCation transport
2009
Nuclear factor of activated T cells mediates fluid shear stress- and tensile strain-induced Cox2 in human and murine bone cells
Aydemir A, Minematsu H, Gardner TR, Kim KO, Ahn JM, Lee FY. Nuclear factor of activated T cells mediates fluid shear stress- and tensile strain-induced Cox2 in human and murine bone cells. Bone 2009, 46: 167-175. PMID: 19748606, PMCID: PMC2818272, DOI: 10.1016/j.bone.2009.08.061.Peer-Reviewed Original ResearchConceptsActivated T cellsT cellsBone cellsMechanical stimulationNuclear factorPathways of inflammationCytokine gene inductionMouse bone cellsMurine bone cellsBone massCOX2 inductionCOX2 expressionStability of implantsCalvarial bone cellsOsseous integrationHost boneNuclear translocationFluid shear stressDaily activitiesStimulationTranscription factorsNovel roleImplantsNFAT2Osteoblastic lineageImproving bone density at the rotator cuff footprint increases supraspinatus tendon failure stress in a rat model
Cadet ER, Vorys GC, Rahman R, Park S, Gardner TR, Lee FY, Levine WN, Bigliani LU, Ahmad CS. Improving bone density at the rotator cuff footprint increases supraspinatus tendon failure stress in a rat model. Journal Of Orthopaedic Research® 2009, 28: 308-314. PMID: 19743506, DOI: 10.1002/jor.20972.Peer-Reviewed Original ResearchConceptsBone densityRotator cuff footprintOVX groupRat modelSupraspinatus tendonCuff footprintQuantitative micro-computed tomographyMonths of ageBisphosphonate treatmentOVX ratsBilateral ovariectomyProximal humerusDawley ratsAdditional ratsOVXRatsTendonOvariectomyMicro-computed tomographyTreatmentGroupBisphosphonatesSpragueHumerusMonths
2007
Nuclear Factor of Activated T Cell Mediates Proinflammatory Gene Expression in Response to Mechanotransduction
AYDEMIR A, LEE S, KIM D, GARDNER TR, PRINCE D, AHN J, LEE F. Nuclear Factor of Activated T Cell Mediates Proinflammatory Gene Expression in Response to Mechanotransduction. Annals Of The New York Academy Of Sciences 2007, 1117: 138-142. PMID: 17584983, DOI: 10.1196/annals.1402.004.Peer-Reviewed Original Research
1998
Micromechanical Properties of Epiphyseal Trabecular Bone and Primary Spongiosa Around the Physis: An In Situ Nanoindentation Study
Lee F, Rho J, Harten R, Parsons J, Behrens F. Micromechanical Properties of Epiphyseal Trabecular Bone and Primary Spongiosa Around the Physis: An In Situ Nanoindentation Study. Journal Of Pediatric Orthopaedics 1998, 18: 582-585. PMID: 9746404, DOI: 10.1097/00004694-199809000-00004.Peer-Reviewed Original Research