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Merck
CN

M168

Methyllycaconitine citrate salt

From Delphinium brownii seeds, ≥96% (HPLC), α7 nicotinic acetylcholine receptor (α7 nAChR) antagonist

别名:

MLA, [1α,4(S),6β,14α,16β]-20-Ethyl-1,6,14,16-tetramethoxy-4-[[[2-(3-methyl-2,5-dioxo-1-pyrrolidinyl)benzoyl]oxy]methyl]aconitane-7,8-diol citrate salt

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关于此项目

经验公式（希尔记法）:
C37H50N2O10 · xC6H8O7
化学文摘社编号:
112825-05-5
分子量:
682.80 (salt-free basis)
UNSPSC Code:
12352200
PubChem Substance ID:
24896681
NACRES:
NA.77
MDL number:
MFCD00153837

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产品名称

Methyllycaconitine citrate salt, from Delphinium brownii seeds, ≥96% (HPLC)

SMILES string

O=C(OC[C@]12[C@@]([C@]3([C@H](CC1)OC)[C@@H]4N(C2)CC)([H])[C@@H]([C@]4(O)[C@]5(O)[C@]6([H])[C@@]3([H])C[C@@]([C@H](C5)OC)([H])[C@@H]6OC)OC)C7=CC=CC=C7N8C([C@@H](C)CC8=O)=O.OC(CC(CC(O)=O)(C(O)=O)O)=O

InChI key

INBLZNJHDLEWPS-DDIMIZGISA-N

InChI

1S/C37H50N2O10.C6H8O7/c1-7-38-17-34(18-49-32(42)20-10-8-9-11-23(20)39-26(40)14-19(2)31(39)41)13-12-25(46-4)36-22-15-21-24(45-3)16-35(43,27(22)28(21)47-5)37(44,33(36)38)30(48-6)29(34)36;7-3(8)1-6(13,5(11)12)2-4(9)10/h8-11,19,21-22,24-25,27-30,33,43-44H,7,12-18H2,1-6H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/t19-,21+,22+,24-,25-,27+,28-,29+,30-,33?,34-,35+,36-,37+;/m0./s1

biological source

Delphinium brownii seeds

assay

≥96% (HPLC)

color

white

solubility

H2O: 42 mg/mL

storage temp.

−20°C

Quality Level

100

相关类别

Application

Methyllycaconitine citrate salt has been used as an α7 nicotinic acetylcholine receptor (α7 nAChR) antagonist:
  • to study its effects on inflammatory response in rats post nicotine treatment
  • to block the activity of galantamine
  • to study its effects on the hepatic branch of the vagus nerve (hVNS) in rats

Biochem/physiol Actions

Methyllycaconitine (MLA) is an α7 nicotinic acetylcholine receptor (α7 nAChR) antagonist. It is a norditerpenoid alkaloid synthesized by several species of Delphinium. MLA binds to the binding site of neuronal α-bungarotoxin. Low doses of MLA are associated with improvement of cognition in animals.

Features and Benefits

This compound is featured on the Acetylcholine Receptors (Nicotinic) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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分析证书(COA)

Lot/Batch Number
0000466769
0000466769
0000351303
0000339112
0000339113

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Elizabeth Glenn Guy et al.
Psychopharmacology, 225(2), 429-440 (2012-08-14)
Stimuli associated with nicotine can become motivationally significant and may play a role in tobacco dependence. Previous work indicates that nicotine enhances responding for a conditioned reinforcer (CR). These studies examined the effects of prior exposure to nicotine on responding
Natalia Pinilla-Echeverri et al.
Circulation. Cardiovascular interventions, 13(7), e008768-e008768 (2020-07-11)
Complete revascularization with routine percutaneous coronary intervention of nonculprit lesions after primary percutaneous coronary intervention improves outcomes in ST-segment-elevation myocardial infarction. Whether this benefit is associated with nonculprit lesion vulnerability is unknown. In a prospective substudy of the COMPLETEs trial
Cecília Cerqueira Café-Mendes et al.
Neuroscience letters, 636, 218-224 (2016-12-17)
The hippocampus is a brain region that is rich in nicotinic acetylcholine receptors (nAChRs), especially the α7 subtype. The hippocampus is severely affected in disorders that have a neuroinflammatory component, such as Alzheimer's disease, Parkinson's disease, and schizophrenia. Previous studies
Francesca Prestori et al.
PloS one, 8(5), e64828-e64828 (2013-06-07)
The brain needs mechanisms able to correlate plastic changes with local circuit activity and internal functional states. At the cerebellum input stage, uncontrolled induction of long-term potentiation or depression (LTP or LTD) between mossy fibres and granule cells can saturate
Jianqiao Zhang et al.
The Journal of pharmacology and experimental therapeutics, 359(2), 374-382 (2016-10-19)
Acetaminophen (APAP) is widely used as an analgesic and antipyretic agent, but it may induce acute liver injury at high doses. Alzheimer's disease patients, while treated with acetylcholinesterase inhibitor (AChEI), may take APAP when they suffer from cold or pain.
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