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1 H NMR profiling of the 6-OHDA parkinsonian rat brain reveals metabolic alterations and signs of recovery after N-acetylcysteine treatment

Virel, Ana ; Dudka, Ilona ; Laterveer, Rutger ; Af Bjerkén, Sara

Molecular and cellular neuroscience, 2019-07, Vol.98, p.131 [Periódico revisado por pares]

United States

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  • Título:
    1 H NMR profiling of the 6-OHDA parkinsonian rat brain reveals metabolic alterations and signs of recovery after N-acetylcysteine treatment
  • Autor: Virel, Ana ; Dudka, Ilona ; Laterveer, Rutger ; Af Bjerkén, Sara
  • Assuntos: Acetylcysteine - pharmacology ; Animals ; Antiparkinson Agents - pharmacology ; Brain - drug effects ; Brain - metabolism ; Female ; Metabolome ; Oxidative Stress ; Oxidopamine - toxicity ; Parkinson Disease - etiology ; Parkinson Disease - metabolism ; Rats ; Rats, Sprague-Dawley
  • É parte de: Molecular and cellular neuroscience, 2019-07, Vol.98, p.131
  • Descrição: Parkinson's disease is the second most common neurodegenerative disease caused by degeneration of dopamine neurons in the substantia nigra. The origin and causes of dopamine neurodegeneration in Parkinson's disease are not well understood but oxidative stress may play an important role in its onset. Much effort has been dedicated to find biomarkers indicative of oxidative stress and neurodegenerative processes in parkinsonian brains. By using proton nuclear magnetic resonance ( H NMR) to identify and quantify key metabolites, it is now possible to elucidate the metabolic pathways affected by pathological conditions like neurodegeneration. The metabolic disturbances in the 6-hydroxydopamine (6-OHDA) hemiparkinsonian rat model were monitored and the nature and size of these metabolic alterations were analyzed. The results indicate that a unilateral injection of 6-OHDA into the striatum causes metabolic changes that not only affect the injected hemisphere but also the contralateral, non-lesioned side. We could clearly identify specific metabolic pathways that were affected, which were mostly related with oxidative stress and neurotransmission. In addition, a partial metabolic recovery by carrying out an antioxidant treatment with N-acetylcysteine (NAC) was observable.
  • Editor: United States
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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