Structure-activity relationship study of pyridazine derivatives as glutamate transporter EAAT2 activators.
Structure-activity relationship study of pyridazine derivatives as glutamate transporter EAAT2 activators.
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DOI:
10.1016/j.bmcl.2011.08.009
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发表时间:
2011-10-01
影响因子:
2.7
通讯作者:
Cuny, Gregory D.
中科院分区:
文献类型:
--
作者:
Xing, Xuechao;Chang, Ling-Chu;Kong, Qiongman;Colton, Craig K.;Lai, Liching;Glicksman, Marcie A.;Lin, Chien-Liang Glenn;Cuny, Gregory D.
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 24 h. In addition, one of the derivatives (7–22) enhanced EAAT2 levels 3.5 – 3.9 fold after 24 h with an EC50 of 0.5 μM.
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