supported by the National Natural Science Foundation of China(Nos.81503055 and 81873029);Shanghai Youth Eastern Scholar(No.QD2015037).
Natural killer(NK)cells,a type of cytotoxic lymphocytes,can infiltrate into ischemic brain and exacerbate neuronal cell death.Astragaloside Ⅳ(ASIV)is the major bioactive ingredient of Astragalus membranaceus,a Chines...