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Proteomic analysis of oxidative stress-induced neuronal cell death by using two-dimensional fluorescence difference gel electrophoresis

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Oxidative stress has been implicated in a number of neurological disorders, including cerebral ischemia and neuro-degenerative diseases. Comprehensive proteomic studies were carried out using an immortalized mouse hippocampal cell line, HT22, exhibiting oxidative stress-mediated cell death upon glutamate treatment. Two-dimensional fluorescence difference gel electrophoresis (2D DIGE) of subcellular organelle fractions revealed that significant numbers of proteins showed quantitative changes during HT22 cell death, among which a total of 51 proteins were identified by mass spectrometry. The identified proteins indicate that HT22 cell death occurs through perturbations in mitochondrial function, changes in translational elongation machinery, and translocation of proteins across subcellular organelles. This list of proteins may shed light on oxidative stress-mediated neuronal cell death.
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Document Type: Research Article

Affiliations: Medical Proteomics Research Center, KRIBB, Daejeon, Republic of Korea

Publication date: December 1, 2010

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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