AM 281

A CB1 receptor antagonist/inverse agonist

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1mg

￥412.00

330.00

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5mg

￥1137.00

910.00

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10mg

￥2050.00

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货号: ajci17202
CAS: 202463-68-1
别名: 1-(2,4-二氯苯基)-5-(4-碘苯基)-4-甲基-N-吗啉-1H-吡唑-3-甲酰胺
分子式: C21H19Cl2IN4O2
分子量: 557.22
纯度: >98%
溶解度: ≥ 1.86mg/mL in DMSO with ultrasonic and warming
储存: Store at -20°C
库存: 现货

Background

AM 281 is a potent and selective antagonist/inverse agonist of CB1 cannabinoid receptor with Ki values of 12 and 4200 nM for CB1 and CB2 receptors, respectively [1].

CB1 cannabinoid receptor is a G protein-coupled receptor and is mainly expressed in the brain. Cannabinoid receptors play an important role in memory, mood, appetite and pain-sensation.

AM 281 is a potent and selective CB1 cannabinoid receptor antagonist/inverse agonist. In rat forebrain membranes, AM281 exhibited high affinity for CB1 receptor with Ki value of 12 nM. In mouse spleen membrane, AM281 exhibited very low affinity for CB2 receptor with Ki value of 4200 nM [1]. In mouse cerebellar homogenates, AM281 exhibited affinities for CB1 receptor with Ki values of 1.8, 2.8, 84, 208 and 2512 nM when competed with SR141716A, CP55,940, WIN 55,212-2, THC and methanandamide, respectively [2].

In morphine withdrawal mice, AM281 (2.5 mg/kg) significantly improved the memory impairment caused by morphine withdrawal [3].

参考文献:
[1].? Lan R, Gatley J, Lu Q, et al. Design and synthesis of the CB1 selective cannabinoid antagonist AM281: a potential human SPECT ligand. AAPS PharmSci, 1999, 1(2): E4.
[2].? Gatley SJ, Lan R, Volkow ND, et al. Imaging the brain marijuana receptor: development of a radioligand that binds to cannabinoid CB1 receptors in vivo. J Neurochem, 1998, 70(1): 417-423.
[3].? Vaseghi G, Rabbani M, Hajhashemi V. The CB(1) receptor antagonist, AM281, improves recognition loss induced by naloxone in morphine withdrawal mice. Basic Clin Pharmacol Toxicol, 2012, 111(3): 161-165.