Abstract
Intracerebral hemorrhage (ICH) is a devastating subtype of stroke characterized by high mortality and morbidity rates with no effective treatment. TGF-β/ALK-5 signaling is reported to participated in the regulation of blood-brain barrier (BBB) integrity in the inflammation pain model, the effects of transforming growth factor (TGF)-β1 and the potential mechanisms on BBB after ICH have not been fully elucidated. Herein, we have demonstrated that peripheral administration of TGF-β1 reduces brain edema and ameliorated BBB injury after ICH. Consistent with previous results, TGF-β1 is shown to promote activation of anti-inflammatory microglia and reduce the inflammatory response after ICH. Furthermore, TGF-β1 administration improves long-term outcomes after ICH. Our data suggest that TGF-β1 may be a promising therapeutic agent for ICH.
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