2023
Embracing Heterogeneity in The Multicenter Stroke Preclinical Assessment Network (SPAN) Trial
Morais A, Locascio J, Sansing L, Lamb J, Nagarkatti K, Imai T, van Leyen K, Aronowski J, Koenig J, Bosetti F, Lyden P, Ayata C, Bosetti F, Koenig J, Lyden P, Lamb J, Nagarkatti K, Hess D, Kamat P, Khan M, Dhandapani K, Arbab A, Siddiqui S, Smith C, Nisar M, Leira E, Chauhan A, Dhanesha N, Patel R, Kumskova M, Thedens D, Wang K, Ayata C, Morais A, Imai T, Qin T, Jin X, Erdogan T, Yu L, Mandeville J, Kimberly W, Whittier J, Lo E, Arai K, Van Leyen K, Sansing L, Hyder F, Mihailovic J, Sanganahalli B, Diaz-Perez S, Velazquez S, Beatty H, Johnson C, Herman A, Boisserand L, Immakavar E, Koehler R, Dawson T, Dawson V, Shi Y, Avery B, Lannon S, Bibic A, Akhter K, Karuppagounder S, Aronowski J, McCullough L, Obertas L, Goh A, Huang S, Chauhan A. Embracing Heterogeneity in The Multicenter Stroke Preclinical Assessment Network (SPAN) Trial. Stroke 2023, 54: 620-631. PMID: 36601951, PMCID: PMC9870939, DOI: 10.1161/strokeaha.122.040638.Peer-Reviewed Original ResearchConceptsTotal anesthesia durationAnesthesia durationIndependent predictorsMultivariable analysisClinical trialsTransient focal cerebral ischemiaFocal cerebral ischemiaCerebral blood flowLaser Doppler flowCentralized randomizationModified intentionTreat populationExperimental strokeCerebral ischemiaDoppler flowRodent modelsMCAOBlood flowNetwork trialFlow dropPreclinical trialsMouse cohortsStudy designTrialsTrial onset
2020
Depletion of CD4 T cells provides therapeutic benefits in aged mice after ischemic stroke
Harris NM, Roy-O'Reilly M, Ritzel RM, Holmes A, Sansing LH, O'Keefe LM, McCullough LD, Chauhan A. Depletion of CD4 T cells provides therapeutic benefits in aged mice after ischemic stroke. Experimental Neurology 2020, 326: 113202. PMID: 31954116, PMCID: PMC7059209, DOI: 10.1016/j.expneurol.2020.113202.Peer-Reviewed Original ResearchConceptsIP-10 levelsMiddle cerebral artery occlusionCD4 T cellsT cellsIschemic strokeStroke patientsIsotype controlBrain-infiltrating T cellsCD4 T-cell depletionCerebral artery occlusionT-cell depletionAged mouse modelAged male micePro-inflammatory factorsT cell dysfunctionPro-inflammatory cytokinesAnti-CD4 antibodiesAged stroke patientsIgG isotype controlCD4 treatmentDepletion antibodyArtery occlusionExperimental strokeStroke onsetSham surgery
2019
Transforming growth factor-β promotes basement membrane fibrosis, alters perivascular cerebrospinal fluid distribution, and worsens neurological recovery in the aged brain after stroke
Howe MD, Furr JW, Munshi Y, Roy-O’Reilly M, Maniskas ME, Koellhoffer EC, d’Aigle J, Sansing LH, McCullough LD, Urayama A. Transforming growth factor-β promotes basement membrane fibrosis, alters perivascular cerebrospinal fluid distribution, and worsens neurological recovery in the aged brain after stroke. GeroScience 2019, 41: 543-559. PMID: 31721012, PMCID: PMC6885082, DOI: 10.1007/s11357-019-00118-7.Peer-Reviewed Original ResearchConceptsPoor functional recoveryFunctional recoveryExperimental strokeAstrocyte activationStroke patientsAged brainCultured astrocytesSerum TGF-β levelsTGF-β receptor inhibitionPotential new treatment strategyGlial scar developmentElderly stroke patientsTGF-β levelsPoor functional outcomeOxygen-glucose deprivationCerebrospinal fluid distributionNew treatment strategiesPrimary cultured astrocytesExogenous TGF-β stimulationBasement membraneTGF-β stimulationNeurological recoveryElderly patientsSerum levelsFunctional outcome