(E)-位变异烟碱草酸盐  

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包装规格:1mg in glass bottle
产品描述:一种神经元烟碱受体激动剂。Metanicotine, also known as RJR-2403 and TC-2403, is a neuronal nicotinic receptor agonist, showing high selectivity for the α4β2 subtype. Metanicotine has high affinity to rat brain cortex (Ki = 26 +/- 3 nM). Metanicotine is comparable to nicotine in activating rat thalamic synaptosomes (EC50 = 732 +/- 155 nM and Emax = 91 +/- 8% for RJR-2403; EC50 = 591 +/- 120 nM and Emax = 100 +/- 25% for nicotine) . Chronic administration of RJR-2403 in combination with low-dose of 17beta-estradiol corrects passive avoidance learning in ovariectomized rats. RJR-2403 compensates the impairment of eyeblink conditioning produced by the noncompetitive NMDA-receptor antagonist MK-801.
保存条件:-20℃