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Information
S 38093 is ahistamine H3antagonist/inverse agonist with a moderate affinity for rat, mouse and human H3 receptors (Ki= 8.8, 1.44 and 1.2 μM, respectively) and no affinity for other histaminergic receptors.
Targets
human H3 receptor ; mouse H3 receptor ; rat H3 receptor 1.2 μM(Ki); 1.44 μM(Ki); 8.8 μM(Ki)
In vitro
In cellular models, the compound was able to antagonize mice H3 receptors (KB = 0.65 μM) and to suppress cAMP decrease induced by an H3 agonist via human H3 receptors (KB = 0.11 μM). Among the four histaminergic receptor subtypes, S 38093 is selective for the H3 receptor, its binding affinity for H1, H2 and H4 receptors being negligible.
In vivo
S 38093, a novel brain-penetrant antagonist/inverse agonist of H3 receptors, on AHN (proliferation, maturation and survival) in 3-month-old and in aged 16-month-old mice. In aged animals, S 38093 induced a reversal of age-dependent effects on hippocampal brain-derived neurotrophic factor (BDNF) BDNF-IX, BDNF-IV and BDNF-I transcripts and increased vascular endothelial growth factor (VEGF) expression. The effects of chronic administration of S 38093 were assessed on a neurogenesis-dependent “context discrimination (CS) test” in aged mice. While ageing altered mouse CS, chronic S 38093 treatment significantly improved CS. Chronic S 38093 treatment increases adult hippocampal neurogenesis and may provide an innovative strategy to improve age-associated cognitive deficits. S 38093 is found to be active at a mean pharmacological dose of 0.3–1\u2009mg/kg p.o./i.p. in animal behavioral tests of working memory (Morris water maze in rats; spontaneous alternation and concurrent serial alternation tests in mice; delayed matching to sample in aged monkeys) and episodic-like memory (social and object recognition tests in rats; contextual discrimination task in mice). S 38093 also improves attention, executive functioning, and cognitive flexibility in MPTP-treated monkeys. Moreover, in line with its H3 antagonist/inverse agonist properties, S 38093 dose-dependently increases extracellular histamine levels in the prefrontal cortex and facilitates cholinergic transmission in the prefrontal cortex and hippocampus of rats after both acute and chronic administrations. S 38093 was rapidly absorbed in mouse and rat (Tmax= 0.25-0.5h), slowly in monkey (2h), with a bioavailability ranging from 20 to 60% and t1/2 ranging from 1.5h to 7.4h. The compound was widely distributed with a moderate volume of distribution and low protein binding. The brain distribution of S 38093 was rapid and high.
Cell Research(from reference)
Cell lines:HEK-293 cells
Concentrations:0.01-100 μM
Incubation Time:1 h
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 苯类化合物 |
| 类(Class) | 苯及其取代衍生物 |
| 亚类(Subclass) | 苯甲酸及其衍生物 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 苯甲酰胺类 |
| 其他上位类(Alternative Parents) | 苯氧基化合物 酚醚 苯甲酰衍生物 烷基芳基醚 N-烷基吡咯烷 三烷基胺 伯羧酸酰胺 氨基酸及其衍生物 氮杂环化合物 有机光子化合物 有机氧化物 碳氢化合物衍生物 |
| 分子骨架(Molecular Framework) | 芳香族杂多环化合物 |
| 取代基(Substituents) | 芳基醚 - 氨基酸 - 氨基酸或其衍生物 - 芳香族杂多环化合物 - 氮杂环 - 苯甲酰胺 - 苯甲酰 - 羧酰胺基 - 羧酸衍生物 - 乙醚 - 烃衍生物 - N-烷基吡咯烷 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机杂环化合物 - 有机氮化合物 - 有机氧化合物 - 有机氮化合物 - 苯酚醚 - 苯氧基化合物 - 醛基胺 - 吡咯烷 - 三元脂肪胺 - 三芳基胺 |
| 描述(Description) | 本化合物属于苯甲酰胺类有机化合物。该类化合物具有羧酰胺基团,该基团连接于苯环之上。 |
| 外部描述符(External Descriptors) | 暂无 |
| IC50 | human H3 receptor, Ki: 1.2 μM; rat H3 receptor, Ki: 8.8 μM; mouse H3 receptor, Ki: 1.44 μM |
|---|---|
| ALogP | 2.201 |
| HBD Count | 1 |
| Rotatable Bond | 6 |
H302: 吞食有害
H315: 引起皮肤刺激
H319: 引起严重眼睛刺激
H335: 可能引起呼吸道刺激
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾
P305+P351+P338: 如进入眼睛:用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出,取出隐形眼镜。继续冲洗。