
Keywords: COMT، catechol-O-methyltransferase; AD, Alzheimer's disease; Bcl-2, B-cell lymphoma 2 protein; BDNF, brain-derived neurotrophic factor; CNS, central nervous system; COMT, catechol-O-methyltransferase; CREB, cAMP response element-binding protein; DAOA, gene for d-amino acid oxidase activator