Oxygen glucose deprivation-pretreated astrocyte-derived exosomes attenuates intracerebral hemorrhage (ICH)-induced BBB disruption through miR-27a-3p /ARHGAP25/Wnt/β-catenin axis.

"Declarations Ethical approval and consent to participateAll animal experiments were carried out in accordance with the National Institutes of Health guide for the care and use of Laboratory animals (NIH Publications No. 8023, revised 1978). The protocol was approved by the Institutional Animal Care and Use Committee of The Second Xiangya Hospital, Central South University (Approval #2021674). Competing interestsThe authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. Competing interests The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"Funding This work was supported by the Natural Science Foundation of Hunan Province, China [Grant Number 2022JJ30859] and Natural Science Foundation of Hunan Province, China [Grant Number 2022JJ30810]."