BDNF and Alzheimer disease: To determine if BDNF levels are affected in AD brain, we measured the BDNF levels from autopsy-confirmed human AD hippocampus (Average age = 77.5 ± 12.34 (SD); n = 6) and aged matched control (AC) human hippocampus (Average age = 77.4 ± 5.86 (SD); n = 7) using immunoblot.