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α-Conotoxin AuIB(trifluoroacetate salt)
本产品不向个人销售,仅用作科学研究,不用于任何人体实验及非科研性质的动物实验。
α-Conotoxin AuIB(trifluoroacetate salt)图片
规格:98%
分子量:1572.8
包装与价格:
包装价格(元)
500ug电议
1mg电议
5mg电议

产品介绍
A conotoxin and an antagonist of α3β4 subunit-containing nAChRs
货号:ajcx25172
CAS:N/A
分子式:C65H89N17O21S4·XCF3COOH
分子量:1572.8
溶解度:Water: 5 mg/ml
纯度:98%
存储:Store at -20°C
库存:现货

Background:

α-Conotoxin AuIB is a conotoxin that has been found inC. aulicusand has receptor antagonist and analgesic activity.1It is a peptide antagonist of α3β4 subunit-containing nicotinic acetylcholine receptors (nAChRs; IC50= 0.75 µM). It is greater than 100-fold selective for α3β4 subunit-containing nAChRs over those containing α2β2, α2β4, α3β2, α4β2, α4β4, or α1β1γδ subunits but does inhibit homomeric α7 nAChRs by 34% at 3 µM. Intrathecal administration of α-conotoxin AuIB (0.2 and 2 nmol/animal) reduces mechanical allodynia in a rat model of neuropathic pain induced by partial sciatic nerve ligation.2It also reverses somatic signs of withdrawal in a mouse model of morphine withdrawal when administered intracerebroventricularly at doses of 1.75 and 3.5 pmol/animal.3


1.Luo, S., Kulak, J.M., Cartier, G.E., et al.α-Conotoxin AuIB selectively blocks α3 β4 nicotinic acetylcholine receptors and nicotine-evoked norepinephrine releaseJ. Neurosci.18(21)8571-8579(1998) 2.Napier, I.A., Klimis, H., Rycroft, B.K., et al.Intrathecal α-conotoxins Vc1.1, AuIB and MII acting on distinct nicotinic receptor subtypes reverse signs of neuropathic painNeuropharmacology62(7)2202-2207(2012) 3.Muldoon, P.P., Jackson, K.J., Perez, E., et al.The α3β4* nicotinic ACh receptor subtype mediates physical dependence to morphine: mouse and human studiesBr. J. Pharmacol.171(16)3845-3857(2014)