As such, BDNF may have therapeutic potential for the treatment of neurological disorders, such as cerebral ischemia‐reperfusion injury,2 neuroinflammation‐related brain injury,3 age‐related memory impairment,4 Parkinson’s disease,5 Alzheimer’s disease,6 and postoperative cognitive dysfunction.7 The gene discussed is BDNF; the disease is brain ischemia.