β-phenethylamine--a phenylalanine derivative in brain--contributes to oxidative stress by inhibiting mitochondrial complexes and DT-diaphorase: an in silico study.

Abstract:

AIM:Till date, the mode of action of β-PEA on neurons is not well illustrated. We tested the hypothesis that β-PEA has the ability to cause oxidative stress by inhibiting the antioxidant enzyme DT-diaphorase and mitochondrial complexes (Complex-I and complex-III). METHODS:Using molecular docking as a tool, we here studied and compared the inhibitory capacity of β-PEA on DT-diaphorase and mitochondrial complexes. Three-dimensional structures of mitochondrial complexes and DT-diaphorase and their ligands were downloaded from the respective data banks, and free energy of binding (docking scores) were determined. RESULTS:The present finding demonstrated for the first time that β-PEA potentiates reactive oxygen species generation by inhibiting the antioxidant enzyme DT-diaphorase, in addition to the mitochondrial complex-I and complex-III. CONCLUSION:As lowering of cellular antioxidant molecules is evident in many neurodegenerative disorders, β-PEA-induced lowering of DT-diaphorase activity may have the capability to cause neurodegeneration, which may be potentiated by its ability to inhibit mitochondrial complexes. Thus, β-PEA-due to its cumulative actions-may be more potent in causing neurodegeneration as compared to other endogenous neurotoxins.

journal_name

CNS Neurosci Ther

authors

Mazumder MK,Paul R,Borah A

doi

10.1111/cns.12113

subject

Has Abstract

pub_date

2013-08-01 00:00:00

pages

596-602

issue

8

eissn

1755-5930

issn

1755-5949

journal_volume

19

pub_type

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