Astragaloside IV (AST-IV, AS-IV) is a bioactive saponin first isolated from the dried plant roots of the genus Astragalus, which is used in traditional Chinese medicine. It has various effect on the cardiovascular, immune, digestive, and nervous systems. AS-IV suppresses activation of p-Akt, p-mTOR, p-NF-κB and p-Erk1/2.