| Bioactivity | Methyllycaconitine citrate is a specific antagonist of α7 neuronal nicotinic acetylcholine receptor (α7nAChR). |
| Target | α7nAChR |
| Invitro | Pretreatment with 5 and 10 µM Methyllycaconitine citrate (MLA) inhibits the decreased cell viability induced by Aβ25-35. Cell viability does not decrease after exposure to Methyllycaconitine citrate (2.5, 5, 10, 20 µM). Aβ25-35 treatment increases LC3-II levels, which is inhibited by administration of Methyllycaconitine citrate. Methyllycaconitine citrate also inhibits Aβ-induced autophagosome accumulation in SH-SY5Y cells. Flow cytometry also demonstrates decreased MDC-labeled vacuoles with Methyllycaconitine citrate treatment[1]. |
| In Vivo | Methyllycaconitine citrate (MLA) (6 mg/kg) given alone intraperitoneally does not cause climbing behavior when compare with the saline group. Pretreatment with Methyllycaconitine citrate significantly inhibits methamphetamine (METH)-induced climbing behavior, by about 50%. Methyllycaconitine citrate does not modify either basal locomotor activity or METH-induced hyperlocomotion. The METH-induced depletion of dopamine neuron terminals is attenuated in mice pretreated with Methyllycaconitine citrate (250±43 fmol/mg, n=7). A direct effect of Methyllycaconitine citrate on body temperature is ruled out because Methyllycaconitine citrate does not affect basal body temperature (37.0±0.5°C, n=5) or reduce the METH-induced hyperthermia (38.2±0.4°C, n=6, MLA+METH group, n.s. versus METH group)[1]. |
| Name | Methyllycaconitine citrate |
| CAS | 351344-10-0 |
| Formula | C43H58N2O17 |
| Molar Mass | 874.92 |
| 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]. Zheng X, et al. Methyllycaconitine alleviates amyloid-β peptides-induced cytotoxicity in SH-SY5Y cells. PLoS One. 2014 Oct 31;9(10):e111536. [2]. Escubedo E, et al. Methyllycaconitine prevents methamphetamine-induced effects in mouse striatum: involvement of alpha7 nicotinic receptors. J Pharmacol Exp Ther. 2005 Nov;315(2):658-67. |
Methyllycaconitine citrate
CAS: 351344-10-0 F: C43H58N2O17 W: 874.92
Methyllycaconitine citrate is a specific antagonist of α7 neuronal nicotinic acetylcholine receptor (α7nAChR).
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