2024
mTORC1 Signaling in Brain Endothelial Progenitors Contributes to CCM Pathogenesis
Min W, Qin L, Zhang H, López-Giráldez F, Jiang N, Kim Y, Mohan V, Su M, Murray K, Grutzendler J, Zhou J. mTORC1 Signaling in Brain Endothelial Progenitors Contributes to CCM Pathogenesis. Circulation Research 2024, 135: e94-e113. PMID: 38957991, PMCID: PMC11293987, DOI: 10.1161/circresaha.123.324015.Peer-Reviewed Original ResearchCerebral vascular malformationsEndothelial progenitor cellsBlood-brain barrier integritySingle-cell RNA sequencing analysisDisruption of blood-brain barrier integrityBarrier integrityResident endothelial progenitor cellsRNA sequencing analysisTissue immunofluorescence analysisEndothelial cellsEPC clustersStem cell markersFocal neurological deficitsBrain's neurovascular unitMTOR signalingHuman CCM lesionsMTORC1 signalingBlood-brain barrierCapillary endothelial cellsCCM pathogenesisVascular malformationsLesion signaturesNeurological deficitsCell markersClonal expansion
2021
Caveolae-mediated Tie2 signaling contributes to CCM pathogenesis in a brain endothelial cell-specific Pdcd10-deficient mouse model
Zhou HJ, Qin L, Jiang Q, Murray KN, Zhang H, Li B, Lin Q, Graham M, Liu X, Grutzendler J, Min W. Caveolae-mediated Tie2 signaling contributes to CCM pathogenesis in a brain endothelial cell-specific Pdcd10-deficient mouse model. Nature Communications 2021, 12: 504. PMID: 33495460, PMCID: PMC7835246, DOI: 10.1038/s41467-020-20774-0.Peer-Reviewed Original ResearchConceptsCerebral cavernous malformationsCCM lesionsSmooth muscle actin-positive pericytesEndothelial cell lossRegions of brainCCM pathogenesisPost-capillary venulesCerebral hemorrhagePharmacological blockadeVascular abnormalitiesEC-specific deletionCavernous malformationsMouse modelCell lossMicrovascular bedGenetic deletionLesion formationLesionsVascular dynamicsBarrier functionMicrovascular structureTwo-photon microscopyTie2PathogenesisMice