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UR-144
UR-144 (TMCP-018, KM-X1, MN-001, YX-17) is a drug invented by Abbott Laboratories, that acts as a selective full agonist of the peripheral cannabinoid receptor CB2, but with much lower affinity for the psychoactive CB1 receptor.
==Pharmacology==
UR-144 has high affinity for the CB2 receptor with a Ki of 1.8 nM but 83x lower affinity for the CB1 receptor with a Ki of 150 nM.〔
〕 UR-144 was found to possess an EC50 of 421 nM for human CB1 receptors, and 72 nM for human CB2 receptors. UR-144 produces bradycardia and hypothermia in rats at a dose of 10 mg/kg, suggesting weak cannabinoid-like activity.
Chemically it is closely related to other 2,2,3,3-tetramethylcyclopropyl synthetic cannabinoids like A-796,260 and A-834,735 but with a different substitution on the 1-position of the indole core, in these compounds its 1-pentyl group is replaced with alkylheterocycles like 1-(2-morpholinoethyl) and 1-(tetrahydropyran-4-ylmethyl).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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