2018
Imaging the Effects of &bgr;-Hydroxybutyrate on Peri-Infarct Neurovascular Function and Metabolism
Bazzigaluppi P, Lake EM, Beckett TL, Koletar MM, Weisspapir I, Heinen S, Mester J, Lai A, Janik R, Dorr A, McLaurin J, Stanisz GJ, Carlen PL, Stefanovic B. Imaging the Effects of &bgr;-Hydroxybutyrate on Peri-Infarct Neurovascular Function and Metabolism. Stroke 2018, 49: 2173-2181. PMID: 30354983, DOI: 10.1161/strokeaha.118.020586.Peer-Reviewed Original ResearchMeSH Keywords3-Hydroxybutyric AcidAcetoacetatesAnimalsAstrocytesBlood GlucoseBrainBrain IschemiaCell DeathCerebrovascular CirculationDisease Models, AnimalElectrophysiological PhenomenaEndothelin-1HemodynamicsMagnetic Resonance ImagingMagnetic Resonance SpectroscopyMicroinjectionsNeuronsRatsReactive Oxygen SpeciesSensorimotor CortexConceptsBody β-hydroxybutyrateFunctional recoveryMagnetic resonance imagingIschemic insultNeuronal deathResonance imagingFocal cortical strokeVehicle-administered animalsNeurological deficit scoresKetone body β-hydroxybutyrateNeuronal glucose uptakeContinuous arterial spinReduced oxidative stressPurpose Recent evidenceReactive oxygen species productionCortical microinjectionsCortical strokePostischemic hyperglycemiaDeficit scoresNeurovascular functionAcute phaseCerebrovascular reactivitySensorimotor cortexCerebral hemodynamicsEndothelin-1
2017
Reduced Cerebrovascular Reactivity and Increased Resting Cerebral Perfusion in Rats Exposed to a Cafeteria Diet
Gomez-Smith M, Janik R, Adams C, Lake EM, Thomason LAM, Jeffers MS, Stefanovic B, Corbett D. Reduced Cerebrovascular Reactivity and Increased Resting Cerebral Perfusion in Rats Exposed to a Cafeteria Diet. Neuroscience 2017, 371: 166-177. PMID: 29229555, DOI: 10.1016/j.neuroscience.2017.11.054.Peer-Reviewed Original ResearchConceptsRat endothelial cell antigen-1Cerebrovascular reactivityCafeteria dietMagnetic resonance imagingCerebral perfusionStandard chowAnimals fed standard chowEndothelial cell antigen-1Arterial spin labeling magnetic resonance imagingContinuous arterial spin labeling (CASL) magnetic resonance imagingEndothelin-1 injectionReduced Cerebrovascular ReactivityUltra-processed dietFed standard chowSprague-Dawley ratsShort-term consumptionCell antigen-1CAF ratsCerebrovascular functionIschemic lesionsCerebral microvasculatureDiet ratsSensorimotor cortexBrain perfusionDawley rats
2016
Modulation of the peri‐infarct neurogliovascular function by delayed COX‐1 inhibition
Lake EMR, Mester J, Thomason LA, Adams C, Bazzigaluppi P, Koletar M, Janik R, Carlen P, McLaurin J, Stanisz GJ, Stefanovic B. Modulation of the peri‐infarct neurogliovascular function by delayed COX‐1 inhibition. Journal Of Magnetic Resonance Imaging 2016, 46: 505-517. PMID: 28703413, DOI: 10.1002/jmri.25541.Peer-Reviewed Original ResearchConceptsNeuronal survivalMicroglia/macrophage recruitmentExerts multiple beneficial effectsChronic ischemic injuryAdult male ratsCOX-1 inhibitionMultiple beneficial effectsMost patientsAstrocytic activationEndothelial densityNeuronal lossChronic stageFocal ischemiaHemodynamic changesIschemic injuryAdult disabilityMacrophage recruitmentMale ratsPerfusion responseMore effective interventionsNeurogliovascular unitCOX-1Novel treatmentsPerfusionBeneficial effects
2014
A non-surgical model of cervical spinal cord injury induced with focused ultrasound and microbubbles
Oakden W, Kwiecien JM, O’Reilly M, Lake EM, Akens MK, Aubert I, Whyne C, Finkelstein J, Hynynen K, Stanisz GJ. A non-surgical model of cervical spinal cord injury induced with focused ultrasound and microbubbles. Journal Of Neuroscience Methods 2014, 235: 92-100. PMID: 24970578, DOI: 10.1016/j.jneumeth.2014.06.018.Peer-Reviewed Original ResearchConceptsSpinal cord injuryCervical spinal cord injuryMagnetic resonance imagingNon-surgical modelCord injurySpinal cordModel of SCIHuman spinal cord injuryT2-weighted magnetic resonance imagingFocused ultrasoundSpinal cord contusionCervical spinal cord damageSurgical incision siteSpinal cord damagePost-operative imagingCervical spinal cordDorsal spinal cordPost-operative careExtent of injuryDegree of injuryCord contusionAcute phaseCord damageVertebral systemSignal abnormalities