Dopamine metabolism by a monoamine oxidase mitochondrial shuttle activates the electron transport chain.
Nat Neurosci
; 23(1): 15-20, 2020 01.
Article
em En
| MEDLINE
| ID: mdl-31844313
ABSTRACT
Monoamine oxidase (MAO) metabolizes cytosolic dopamine (DA), thereby limiting auto-oxidation, but is also thought to generate cytosolic hydrogen peroxide (H2O2). We show that MAO metabolism of DA does not increase cytosolic H2O2 but leads to mitochondrial electron transport chain (ETC) activity. This is dependent upon MAO anchoring to the outer mitochondrial membrane and shuttling electrons through the intermembrane space to support the bioenergetic demands of phasic DA release.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Dopamina
/
Transporte de Elétrons
/
Metabolismo Energético
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Neurônios Dopaminérgicos
/
Monoaminoxidase
Limite:
Animals
/
Humans
/
Male
Idioma:
En
Revista:
Nat Neurosci
Ano de publicação:
2020
Tipo de documento:
Article