MPP+ (1-methyl-4-phenylpyridinium) is a positively charged organic molecule with the chemical formula C12H12N+. It is a monoaminergic neurotoxin that acts by interfering with oxidative phosphorylation in mitochondria by inhibiting complex I, leading to the depletion of ATP and eventual cell death.
MPP+ arises in the body as the toxic metabolite of the closely related compound MPTP. MPTP is converted in the brain into MPP+ by the enzyme MAO-B, ultimately causing parkinsonism in primates by killing certain dopamine-producing neurons in the substantia nigra. The ability for MPP+ to induce Parkinson's disease has made it an important compound in Parkinson's research since this property was discovered in 1983.
The chloride salt of MPP+ found use in the 1970s as an herbicide under the trade name cyperquat. Though no longer in use as an herbicide, cyperquat's closely related structural analog paraquat still finds widespread usage, raising some safety concerns. |
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InChI=1S/C21H23N3O2/c1- 15- 18(19- 4- 2- 3- 5- 20(19) 23- 15) 12- 13- 22- 14- 17- 8- 6- 16(7- 9- 17) 10- 11- 21(25) 24- 26/h2- 11,22- 23,26H,12- 14H2,1H3,(H,24,25) /b11- 10+ |
FPOHNWQLNRZRFC-ZHACJKMWSA-N |
Cc1[nH]c2ccccc2c1CCNCc1ccc(\C=C\C(=O)NO)cc1 |
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Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
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EC 3.5.1.98 (histone deacetylase) inhibitor
An EC 3.5.1.* (non-peptide linear amide C-N hydrolase) inhibitor that interferes with the function of histone deacetylase (EC 3.5.1.98).
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angiogenesis modulating agent
An agent that modulates the physiologic angiogenesis process. This is accomplished by endogenous angiogenic proteins and a variety of other chemicals and pharmaceutical agents.
antineoplastic agent
A substance that inhibits or prevents the proliferation of neoplasms.
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View more via ChEBI Ontology
(2E)- N- hydroxy- 3- [4- ({[2- (2- methyl- 1H- indol- 3- yl)ethyl]amino}methyl)phenyl]prop- 2- enamide
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LBH 589
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ChemIDplus
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LBH589
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ChemIDplus
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12257756
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Reaxys Registry Number
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Reaxys
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404950-80-7
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CAS Registry Number
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KEGG DRUG
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404950-80-7
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CAS Registry Number
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ChemIDplus
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25305451
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PubMed citation
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Europe PMC
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25377157
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PubMed citation
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Europe PMC
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25410127
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PubMed citation
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Europe PMC
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25458954
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PubMed citation
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Europe PMC
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25572329
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PubMed citation
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Europe PMC
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25608569
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PubMed citation
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Europe PMC
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25612941
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PubMed citation
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Europe PMC
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25628765
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PubMed citation
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Europe PMC
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25710456
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PubMed citation
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Europe PMC
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25802326
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Europe PMC
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25837990
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PubMed citation
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Europe PMC
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25870990
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PubMed citation
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Europe PMC
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25904215
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PubMed citation
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Europe PMC
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25939707
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PubMed citation
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Europe PMC
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25944617
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Europe PMC
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26000292
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PubMed citation
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Europe PMC
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26030093
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PubMed citation
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Europe PMC
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26051506
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PubMed citation
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Europe PMC
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