D-glutamate, D-serine, and D-alanine differ in their roles in cognitive decline in patients with Alzheimer's disease or mild cognitive impairment

ConclusionThis is the first study suggesting that D-amino acids in blood may be correlated with ADAS-cog in different items and in the opposite direction. Lower D-glutamate and higher D-alanine levels may predict more behavioral symptoms. In summary, D-glutamate, d-serine and D-alanine play different and characteristic roles in AD. Further longitudinal studies are warranted to elucidate the function and interaction of D-amino acids in specific cognitive domains as well as various phases of dementia.
Source: Pharmacology Biochemistry and Behavior - Category: Biochemistry Source Type: research