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H-1 NMR profiling of the 6-OHDA parkinsonian rat brain reveals metabolic alterations and signs of recovery after N-acetylcysteine treatment
Umeå University, Faculty of Medicine, Department of Integrative Medical Biology (IMB).
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Medicine, Department of Integrative Medical Biology (IMB).
Umeå University, Faculty of Medicine, Department of Integrative Medical Biology (IMB). Umeå University, Faculty of Medicine, Department of Pharmacology and Clinical Neuroscience, Clinical Neuroscience.
2019 (English)In: Molecular and Cellular Neuroscience, ISSN 1044-7431, E-ISSN 1095-9327, Vol. 98, p. 131-139Article in journal (Refereed) Published
Abstract [en]

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-1 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.

Place, publisher, year, edition, pages
2019. Vol. 98, p. 131-139
Keywords [en]
6-IDA, Parkinson's disease, H-1 HR MAS NMR, Metabolomics, N-acetylcysteine, Oxidative stress
National Category
Neurosciences
Identifiers
URN: urn:nbn:se:umu:diva-162006DOI: 10.1016/j.mcn.2019.06.003ISI: 000476574900012PubMedID: 31200101OAI: oai:DiVA.org:umu-162006DiVA, id: diva2:1342203
Available from: 2019-08-13 Created: 2019-08-13 Last updated: 2019-08-19Bibliographically approved

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Virel, AnaDudka, IlonaLaterveer, Rutger

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Virel, AnaDudka, IlonaLaterveer, Rutgeraf Bjerken, Sara
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