Characterization of perivascular space pathology in a rat model of cerebral small vessel disease by in vivo magnetic resonance imaging
Monte B, Constantinou S, Koundal S, Lee H, Dai F, Gursky Z, Van Nostrand WE, Darbinyan A, Zlokovic BV, Wardlaw J, Benveniste H. Characterization of perivascular space pathology in a rat model of cerebral small vessel disease by in vivo magnetic resonance imaging. Cerebrovascular And Brain Metabolism Reviews 2022, 42: 1813-1826. PMID: 35673963, PMCID: PMC9536121, DOI: 10.1177/0271678x221105668.Peer-Reviewed Original ResearchConceptsSmall vessel diseaseCerebral small vessel diseaseT2W magnetic resonance imagesSHRSP ratsPerivascular spacesClinical relevanceMagnetic resonance imagesVessel diseaseSeverity of SVDGadoteric acidWistar-Kyoto control ratsHypertensive stroke-prone ratsStroke-prone ratsHuman post-mortem tissueT2-weighted magnetic resonance imagesMonths of ageT1-weighted imagingMagnetic resonance imagingPost-mortem tissueVivo magnetic resonance imagingPrimary endpointHyperintense lesionsProne ratsWKY ratsUnderlying pathophysiologySustained glymphatic transport and impaired drainage to the nasal cavity observed in multiciliated cell ciliopathies with hydrocephalus
Xue Y, Gursky Z, Monte B, Koundal S, Liu X, Lee H, Michurina TV, Mellanson KA, Zhao L, Nemajerova A, Kahle KT, Takemaru KI, Enikolopov G, Peunova NI, Benveniste H. Sustained glymphatic transport and impaired drainage to the nasal cavity observed in multiciliated cell ciliopathies with hydrocephalus. Fluids And Barriers Of The CNS 2022, 19: 20. PMID: 35248089, PMCID: PMC8898469, DOI: 10.1186/s12987-022-00319-x.Peer-Reviewed Original ResearchConceptsGlymphatic transportIntracranial pressureMagnetic resonance imagingNasal cavityCribriform plateMouse modelFluid homeostasisOlfactory bulb hypoplasiaDistinct mouse modelsNormal intracranial pressureAquaporin-4 expressionKnock-out (KO) miceWild-type littermatesConditional knockout miceChronic rhinitisCommon findingSeparate cohortAQP4 expressionAQP4 polarizationKnockout miceHydrocephalusResonance imagingConclusionsThe combinationGadoteric acidBrain morphometry