STC1 and Cerebral ischemia: STC1 has multiple functions, including wound healing (Paciga et al. 2005), mitochondrial metabolism (McCudden et al. 2002), angiogenesis (Kahn et al. 2000), macrophage chemotaxis, steroid formation (Paciga et al. 2003), etc. At the same time, STC1 can inhibit apoptosis, protect brain cells during cerebral ischemia and activate pluripotent stromal cells (Block et al. 2009; Li and Wong 2008; Zhang et al. 2000).