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MALDI Imaging Mass Spectrometry of Neuropeptides in Parkinson’s Disease
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February 14, 2012
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Dopamine replacement pharmacotherapy using L-DOPA is the most commonly used symptomatic treatment of Parkinson’s disease, but is accompanied by side effects including involuntary abnormal movements, termed dyskinesia 1. Here, a protocol for MALDI imaging mass spectrometry is presented that detects changes in rat brain neuropeptide levels related to dyskinesia.
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MALDI Imaging Mass SpectrometryNeuropeptidesParkinson’s DiseaseIMSMolecular SpeciesMALDI MatrixIntact PeptidesProteinsMass AnalyzerMALDI TOF/TOF Mass SpectrometerImaging TechniquesMolecules Of InterestUnsupervised AnalysisMolecular SpecificitySensitivityRegion-specific Distribution ProfilesAnimal Model Parkinson’s DiseaseNeurodegenerative DiseaseDopamine ReplacementL-DOPA-induced Dyskinesias (LID)Opioid Precursor Prodynorphin MRNADynorphin PeptidesNeurotransmission
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Hanrieder, J., Ljungdahl, A., Andersson, M. MALDI Imaging Mass Spectrometry of Neuropeptides in Parkinson's Disease. J. Vis. Exp. (60), e3445, doi:10.3791/3445 (2012).
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