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ID: ALA1833913
Journal: Bioorg Med Chem Lett
Title: Structure-activity relationship study of pyridazine derivatives as glutamate transporter EAAT2 activators.
Authors: Xing X, Chang LC, Kong Q, Colton CK, Lai L, Glicksman MA, Lin CL, Cuny GD.
Abstract: Excitatory amino acid transporter 2 (EAAT2) is the major glutamate transporter and functions to remove glutamate from synapses. A thiopyridazine derivative has been found to increase EAAT2 protein levels in astrocytes. A structure-activity relationship study revealed that several components of the molecule were required for activity, such as the thioether and pyridazine. Modification of the benzylthioether resulted in several derivatives (7-13, 7-15 and 7-17) that enhanced EAAT2 levels by >6-fold at concentrations < 5 μM after 24h. In addition, one of the derivatives (7-22) enhanced EAAT2 levels 3.5-3.9-fold after 24h with an EC(50) of 0.5 μM.
CiteXplore: 21875806