TP53 and brain ischemia: Activation of Sirt1 signaling during cerebral ischemia by curcumin (CCM), a compound mainly extracted from Curcuma longa, leads to the decreased expression of Ac-p53 and Bax, increased expression of B-cell lymphoma 2 (Bcl-2), and finally attenuated the inflammation (Miao et al., 2016).