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描述 | S 38093 is a novel Histamine H3 receptor inverse agonist with Ki of 8.8, 1.44 and 1.2 µM for rat, mouse and human H3 receptors, respectively[1]. S 38093 (0.3, 1 and/or 3 mg/kg) significantly increased cell proliferation, survival, and maturation in the dentate gyrus of hippocampus in aged mice relative to vehicle, and high doses of S 38093 also increased the maturation of newborn neurons. Chronic administration of S 38093 (3 mg/kg/d p.o., 28 days) administration also increased the dendritic intersections in Alzheimer’s disease transgenic mice: APPSWEWT and APPSWETg[2]. Donepezil and S 38093 (at 0.1, 0.3, and 1.0 mg/kg) induced a dose-dependent synergistic memory-enhancing effect in middle-aged mice, which is mediated by its action on the septo-hippocampal circuitry, since it canceled out the reduction of CREB phosphorylation (pCREB) observed in these brain areas in vehicle-treated middle-aged animals[3]. |
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
3.47mL 0.69mL 0.35mL |
17.34mL 3.47mL 1.73mL |
34.68mL 6.94mL 3.47mL |
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