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Alstonine

From Wikipedia, the free encyclopedia
Chemical compound
Pharmaceutical compound
Alstonine
alstonine 2D skeletal
alstonine 3D BS
Clinical data
ATC code
  • none
Identifiers
  • (19α,20α)-16-(Methoxycarbonyl)-19-methyl-3,4,5,6,16,17-hexadehydro-18-oxayohimban-4-ium
CAS Number
PubChemCID
ChemSpider
UNII
ChEBI
CompTox Dashboard(EPA)
Chemical and physical data
FormulaC21H21N2O3
Molar mass349.410 g·mol−1
3D model (JSmol)
  • O=C(OC)\C1=C\O[C@H]([C@H]5[C@@H]1Cc3[n+](ccc4c2ccccc2[nH]c34)C5)C
  • InChI=InChI=1S/C21H20N2O3/c1-12-16-10-23-8-7-14-13-5-3-4-6-18(13)22-20(14)19(23)9-15(16)17(11-26-12)21(24)25-2/h3-8,11-12,15-16H,9-10H2,1-2H3/p+1/t12-,15-,16-/m0/s1
  • Key:WYTGDNHDOZPMIW-RCBQFDQVSA-O

Alstonine is a pentacyclicalkaloid and putativeantipsychotic constituent of various plant species includingAlstonia boonei,Catharanthus roseus,Picralima nitida,Rauvolfia afra andRauvolfia vomitoria.[1] In preclinical studies alstonine attenuatesMK-801-inducedhyperlocomotion, working memory deficit and social withdrawal.[2] It also possessesanxiolytic-like effects in preclinical studies,[1] attenuatesamphetamine-induced lethality and stereotypy as well asapomorphine-induced stereotypy,[1] and attenuateshaloperidol-inducedcatalepsy.[3] These effects appear to be mediated by stimulation of the5-HT2C receptor.[4] In addition, alstonine, similarly toclozapine, indirectly inhibits thereuptake ofglutamate inhippocampal slices.[5] Unlike clozapine however, the effect of which is abolished by theD2 receptoragonist apomorphine, alstonine requires5-HT2A and 5-HT2C receptors to produce this effect, as it is abolished byantagonists of these receptors. Also unlike clozapine, alstonine lackspro-convulsant activity in mice.[6]

See also

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References

[edit]
  1. ^abcElisabetsky E, Costa-Campos L (March 2006)."The alkaloid alstonine: a review of its pharmacological properties".Evidence-Based Complementary and Alternative Medicine.3 (1):39–48.doi:10.1093/ecam/nek011.PMC 1375234.PMID 16550222.
  2. ^Linck VM, Bessa MM, Herrmann AP, Iwu MM, Okunji CO, Elisabetsky E (January 2012)."5-HT2A/C receptors mediate the antipsychotic-like effects of alstonine".Progress in Neuro-Psychopharmacology & Biological Psychiatry.36 (1):29–33.doi:10.1016/j.pnpbp.2011.08.022.PMID 21925231.S2CID 3236174.
  3. ^Linck VM, Herrmann AP, Piato AL, Detanico BC, Figueiró M, Flório J, et al. (July 2011)."Alstonine as an antipsychotic: effects on brain amines and metabolic changes".Evidence-Based Complementary and Alternative Medicine.2011 (418597): 418597.doi:10.1093/ecam/nep002.PMC 3140158.PMID 19189988.
  4. ^Meltzer HY (2012). "Serotonergic Mechanisms as Targets for Existing and Novel Antipsychotics". In Gross G, Geyer MA (eds.).Current Antipsychotics. Handbook of Experimental Pharmacology. Vol. 212. Berlin Heidelberg: Springer. pp. 87–124.doi:10.1007/978-3-642-25761-2_4.ISBN 978-3-642-25761-2.PMID 23129329.
  5. ^Herrmann AP, Lunardi P, Pilz LK, Tramontina AC, Linck VM, Okunji CO, et al. (December 2012)."Effects of the putative antipsychotic alstonine on glutamate uptake in acute hippocampal slices".Neurochemistry International.61 (7):1144–1150.doi:10.1016/j.neuint.2012.08.006.PMID 22940693.S2CID 14234269.
  6. ^Costa-Campos L, Iwu M, Elisabetsky E (August 2004). "Lack of pro-convulsant activity of the antipsychotic alkaloid alstonine".Journal of Ethnopharmacology.93 (2–3):307–310.doi:10.1016/j.jep.2004.03.056.PMID 15234769.
Alkaloid groups
Indole
Phenethylamine
Purine
Pyridine
Pyrrolidine
Quinoline
Isoquinoline
Tropane
Terpenoid
Betaines
Typical
Disputed
Atypical
Others
5-HT1
5-HT1A
5-HT1B
5-HT1D
5-HT1E
5-HT1F
5-HT2
5-HT2A
5-HT2B
5-HT2C
5-HT37
5-HT3
5-HT4
5-HT5A
5-HT6
5-HT7
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