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MSC-EXsmiR-132-3p were more effective in ameliorating BBB disruption in tMCAO mice. A Representative images showing that injected MSC-EXs (PKH26, red) merged with ECs (CD31, green). B The level of miR-132-3p in cerebral vascular was detected by qRT-PCR. C, C’ Cerebral vascular ROS production was measured by DHE staining. D, D’ Cerebral vascular apoptosis was measured by TUNEL staining. *p < 0.05; n = 10/group
