α-Conotoxin AuIB (trifluoro<wbr/>acetate salt)

α-Conotoxin AuIB (trifluoroacetate salt)

CAT N°: 33795
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From 715.00 607.75

?-Conotoxin AuIB is a conotoxin that has been found in C. aulicus and has receptor antagonist and analgesic activity.{61522} It is a peptide antagonist of ?3?4 subunit-containing nicotinic acetylcholine receptors (nAChRs; IC50 = 0.75 µM). It is greater than 100-fold selective for ?3?4 subunit-containing nAChRs over those containing ?2?2, ?2?4, ?3?2, ?4?2, ?4?4, or ?1?1?? subunits but does inhibit homomeric ?7 nAChRs by 34% at 3 µM. Intrathecal administration of ?-conotoxin AuIB (0.2 and 2 nmol/animal) reduces mechanical allodynia in a rat model of neuropathic pain induced by partial sciatic nerve ligation.{61523} It 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.{61524}

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