| Bioactivity | Ciproxifan maleate (FUB 359 maleate) is a potent, selective, orally bioavailable and competitive antagonist of histamine H3-receptor, with an IC50 of 9.2 nM. Ciproxifan maleate displays low apparent affinity at other receptor subtypes. Ciproxifan maleate can be used for the research of aging disorders and Alzheimer's disease[1][3]. |
| Invitro | Ciproxifan inhibits [3H]HA release from synaptosomes of rat cerebral cortex, with a Ki of 0.5 nM[1].Ciproxifan (0.01 nM-1 μM; 60 min) inhibits the binding of [125I]iodoproxyfan with rat striatal membranes, with a Ki of 0.7 nM[1]. |
| In Vivo | Ciproxifan (1 mg/kg; a single p.o.) increases the t-MeHA level in mouse brain, with an ED50 of 0.14 mg/kg[1].Ciproxifan (3 mg/kg, i.p.) improves the accuracy of responding in the five-choice task in rats only when the stimulus duration is 0.25 sec instead of 0.50 sec[1].Ciproxifan (0.15-2 mg/kg; p.o.) induces marked signs of neocortical electroencephalogram activation manifested by enhanced fast-rhythms density and an almost total waking state in cats[1].Ciproxifan (1 mg/kg; a single i.v.) decreases the H3-receptor ligand concentration in serum in mice, with the half-lives (t1/2) of 13 and 87 min for the distribution and elimination phases in mice, respectively[1].Ciproxifan (1 mg/kg; a single p.o.) exhibits oral bioavailability (F=62%) and maximal concentration (Cmax=420 nM) in mice[1]. |
| Name | Ciproxifan maleate |
| CAS | 184025-19-2 |
| Formula | C20H22N2O6 |
| Molar Mass | 386.40 |
| Appearance | Solid |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture) |
| Reference | [1]. Ligneau X, et, al. Neurochemical and behavioral effects of ciproxifan, a potent histamine H3-receptor antagonist. J Pharmacol Exp Ther. 1998 Nov;287(2):658-66. [2]. Motawaj M, Arrang JM. Ciproxifan, a histamine H3-receptorantagonist / inverse agonist, modulates methamphetamine-induced sensitization in mice. Eur J Neurosci. 2011 Apr;33(7):1197-204. doi: 10.1111/j.1460-9568.2011.07618.x. [3]. Bardgett ME, Davis NN, Schultheis PJ, Griffith MS. Ciproxifan, an H3 receptor antagonist, alleviates hyperactivity and cognitive deficits in the APP Tg2576 mouse model of Alzheimer's disease. Neurobiol Learn Mem. 2011 Jan;95(1):64-72. [4]. Bardgett ME, Points M, Kleier J, Blankenship M, Griffith MS. The H3 antagonist, ciproxifan, alleviates the memory impairment but enhances the motor effects of MK-801 (dizocilpine) in rats. Neuropharmacology. 2010 Nov;59(6):492-502. [5]. Day M, et al . Differential effects of ciproxifan and nicotine on impulsivity and attention measures in the 5-choice serial reaction time test. Biochem Pharmacol. 2007 Apr 15;73(8):1123-34. [6]. Pillot C, Héron A, Schwartz JC, Arrang JM. Ciproxifan, a histamine H3-receptor antagonist/inverse agonist, modulates the effects of methamphetamine on neuropeptide mRNA expression in rat striatum. Eur J Neurosci. 2003 Jan;17(2):307-14. |
Ciproxifan maleate
CAS: 184025-19-2 F: C20H22N2O6 W: 386.40
Ciproxifan maleate (FUB 359 maleate) is a potent, selective, orally bioavailable and competitive antagonist of histamine
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