Mitochondrial NADH-quinone Oxidoreductase (NQO_m) Produces Reactive Oxygen Species in the Chemical Injury of Rat Liver Mitochondria (<Symposium X>Enzyme Cytochemistry : Recent Advances and Applications)
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概要
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The generation of reactive oxygen species in the mitochondria was investigated using electron microscopic cytochemistry and energy-filtering transmission electron microscopy in reference to the toxic mediator of paraquat poisoning. When isolated intact mitochondria from rat livers were reacted with paraquat in the presence of NADH, mitochondrial NADH-quinone oxidoreductase generated superoxide anions to cause the destruction of mitocondria which resulted in cell death. Cerium chloride captured hydrogen peroxide and formed cerium perhydroxide precipitates on the outer surface of the mitochondrial outer membrane. This localization was also clearly identified with electron spectoscopic imaging based on electron energy loss spectral analysis.
- 日本組織細胞化学会の論文
著者
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SHIMADA Hiroki
Molecular and Cell Structural Science, Kanazawa Medical University
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HIRAI Kei-Ichi
Molecular and Cell Structural Science, Kanazawa Medical University
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Katoh Seiichi
Department Of Anatomy Kanazawa Medical University
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Hirai K
Molecular And Cell Structural Science Kanazawa Medical University
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Simamura Eriko
Molecular And Cell Structural Science Kanazawa Medical University
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Simamura Eriko
Department Of Molecular And Cell Structural Science Kanazawa Medical University
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Shimada Hiroki
Molecular And Cell Structural Science Kanazawa Medical University
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Shimada Hiroki
Department Of Anatomy Kanazawa Medical University
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Hirai Kei-ichi
Department Of Anatomy Faculty Of Medicine Kyoto University
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Pan J
Kanazawa Medical Univ. Ishikawa Jpn
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PAN Jiehong
Department of Anatomy, Kanazawa Medical University
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Pan Jiehong
Department of Anatomy Kanazawa Medical University
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