HL271, a derivative of metformin, is a potent AMPK activator that increases AMPK phosphorylation. HL271 attenuates aging-associated cognitive impairment.
ASP2535 is a potent, selective, orally bioavailable, brain permeable and centrally-active glycine transporter-1 (GlyT1) inhibitor.ASP2535 can improve cognitive impairment in animal models of schizophrenia and Alzheimer's disease[1].