2020
Imaging and optogenetic modulation of vascular mural cells in the live brain
Tong L, Hill RA, Damisah EC, Murray KN, Yuan P, Bordey A, Grutzendler J. Imaging and optogenetic modulation of vascular mural cells in the live brain. Nature Protocols 2020, 16: 472-496. PMID: 33299155, DOI: 10.1038/s41596-020-00425-w.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsRegional cerebral blood flowMural cellsBlood-brain barrier maintenanceCerebral ischemia mouse modelAge-related neurodegenerative diseasesCerebral blood flowSmooth muscle cell physiologyBrain blood vesselsIschemia mouse modelVascular mural cellsBrain microvesselsHigh-resolution intravital imagingVascular disordersMouse modelBlood flowMuscle cell physiologyTransgenic miceCalcium transientsAlzheimer's diseaseCalcium imagingCell subtypesBarrier maintenanceNeurodegenerative diseasesTwo-photon optogeneticsBlood vessels
2015
Regional Blood Flow in the Normal and Ischemic Brain Is Controlled by Arteriolar Smooth Muscle Cell Contractility and Not by Capillary Pericytes
Hill RA, Tong L, Yuan P, Murikinati S, Gupta S, Grutzendler J. Regional Blood Flow in the Normal and Ischemic Brain Is Controlled by Arteriolar Smooth Muscle Cell Contractility and Not by Capillary Pericytes. Neuron 2015, 87: 95-110. PMID: 26119027, PMCID: PMC4487786, DOI: 10.1016/j.neuron.2015.06.001.Peer-Reviewed Original ResearchConceptsSmooth muscle cellsCerebral blood flowBlood flowCapillary pericytesArteriolar smooth muscle cellsBlood flow regulationRegional blood flowNormal brain functionSmooth muscle actinSmooth muscle cell contractilityMuscle cell contractilityPericyte constrictionIschemic brainBrain ischemiaMicrovascular occlusionNeurovascular couplingMicrovascular diametersWhisker stimulationMuscle actinMuscle cellsBrain functionMajor causePathological conditionsPericytesVascular tree