5-ht-2 antagonist 1

5-HT2 antagonist 1 是一种有效的 5-HT2 receptor 拮抗剂，同时对 α1 adrenoceptor 有微弱地抑制作用。

Viloxazine (Viloxazin) (Viloxazin) 是一种去甲肾上腺素再摄取抑制剂、5-HT 2C 受体激动剂和 5-HT 2B 受体拮抗剂。其主要作用机制是调节血清素能和去甲肾上腺素能途径。Viloxazine通常用于抑郁症研究 [1] [2]。

Unifiram 是一种认知增强剂。 Unifiram 诱导大鼠海马 CA1 区场兴奋性突触后电位 (fEPSP) 幅度的持久增加 (EC50= 27 nM) 并增加大鼠大脑皮层中乙酰胆碱 (ACh) 的释放。

5-HT3 antagonist 5 是喹喔啉 -2- 甲酰胺化合物，是一种5-HT3受体拮抗剂。5-HT3 antagonist 5 对5-HT3激动剂和2-甲基-5-HT 也具有拮抗作用，并在小鼠中表现出抗抑郁作用。

R 59-022 (DKGI-I) 是一种二酰基甘油激酶 （DGK） 抑制剂，也 是一种 5-HT Receptor 拮抗剂，可阻断宿主细胞中的丝状病毒内化。R 59-022 可激活蛋白激酶 C (PKC)，抑制肠平滑肌的收缩力，增强由1-油酰基-2-乙酰甘油诱导的 O2-产生。

Ensaculin is a NMDA antagonist and a 5HT1A agonist potentially for the treatment of Alzheimer's disease (AD). Ensaculin showed memory-enhancing effects in paradigms of passive and conditioned avoidance in both normal and artificially amnesic rodents. It e

Palonosetron N-oxide is a metabolite of the serotonin (5-HT) receptor subtype 5-HT3antagonist palonosetron .1It is also a potential impurity in palonosetron preparations.2Palonosetron N-oxide is a degradation product formed by exposure to oxidative stress. 1.Stoltz, R.A., Cyong, J.-C., Shah, A., et al.Pharmacokinetic and safety evaluation of palonosetron, a 5-hydroxytryptamine-3 receptor antagonist, in U.S. and Japanese healthy subjectsJ. Clin. Pharmacol.44(5)520-531(2004) 2.Vishnu Murthy, M., Srinivas, K., Kumar, R., et al.Development and validation of a stability-indicating LC method for determining palonosetron hydrochloride, its related compounds and degradation products using naphthalethyl stationary phaseJ. Pharm. Biomed. Anal.56(2)429-435(2011)

Eltoprazine(DU28853) is a serenic or antiaggressive agent which as an agonist at the 5-HT1A and 5-HT1B receptors and as an antagonist at the 5-HT2C receptor.IC50 value:Target: 5-HT1A/1B agonist; 5-HT2C antagonistin vitro: The binding of [3H]eltoprazine to whole tissue sections was saturable and revealed an apparent dissociation constant (Kd) of 11 nM. Specific [3H]eltoprazine binding was completely displaced by 5-HT; conversely, unlabelled eltoprazine reduced [3H]5-HT binding to the levels of non-specific binding [1]. Eltoprazine evoked membrane changes that were similar to but much weaker than those induced by 5HT. Both the 5HT- and eltoprazine-evoked membrane hyperpolarizations were largely suppressed in the presence of spiperone [2].in vivo: eltoprazine is extremely effective in suppressing dyskinesia in experimental models, although this effect was accompanied by a partial worsening of the therapeutic effect of l-dopa. Interestingly, eltoprazine was found to (synergistically) potentiate the antidyskinetic effect of amantadine. The current data indicated that eltoprazine is highly effective in counteracting dyskinesia in preclinical models [3]. Rats were chronically treated with mianserin (10 mg/kg i.p.) or eltoprazine (1 mg/kg i.p.) and were tested in the elevated plus-maze test for anxiety. Mianserin and eltoprazine displayed opposite effects in the elevated plus-maze: mianserin induced anxiolytic-like effects, while eltoprazine showed anxiogenic-like ones [4]. [1]. Sijbesma H, et al. Eltoprazine, a drug which reduces aggressive behaviour, binds selectively to 5-HT1 receptor sites in the rat brain: an autoradiographic study. Eur J Pharmacol. 1990 Feb 20;177(1-2):55-66. [2]. Joels M, et al. Eltoprazine suppresses hyperpolarizing responses to serotonin in rat hippocampus. J Pharmacol Exp Ther. 1990 Apr;253(1):284-9. [3]. Bezard E, et al. Study of the antidyskinetic effect of eltoprazine in animal models of levodopa-induced dyskinesia. Mov Disord. 2013 Jul;28(8):1088-96. [4]. Rocha B, et al. Chronic mianserin or eltoprazine treatment in rats: effects on the elevated plus-maze test and on limbic 5-HT2C receptor levels. Eur J Pharmacol. 1994 Sep 1;262(1-2):125-31.

Scopolamine 是一种高亲和力（nM 级别）的毒蕈碱（muscarinic）拮抗剂，能够可逆抑制 5-HT₃ 受体反应（IC₅₀ = 2.09 μM），常用于诱导阿尔茨海默症或记忆障碍动物模型。

Cyproheptadine 是一种口服活性的 5-HT2A 受体拮抗剂，具有抗抑郁、抗血清素、抗血小板及抗血栓等多重药理作用。Cyproheptadine 常用于研究血栓栓塞疾病、血清素信号通路以及血清素调节与代谢性疾病（如糖尿病）之间的潜在关系。

Cgs 18102A (HCl) has 5-HT(1) agonist & 5-HT(2) antagonist properties.