A case of spontaneous myocardial necrosis and cerebral ischemic lesions in a laboratory beagle dog
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- Matsushita Kohei
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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- Kohara Yukari
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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- Ito Yuko
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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- Yoshikawa Tsuyoshi
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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- Sato Makoto
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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- Kitaura Keisuke
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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- Matsumoto Satoshi
- Department of Toxicology, Drug Safety Research Center, Tokushima Research Institute, Otsuka Pharmaceutical Co., Ltd., 463-10 Kagasuno, Kawachi-cho, Tokushima City, Tokushima 771-0192, Japan
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抄録
A beagle dog treated with saline as a control animal in a preclinical study was euthanized due to sudden systemic deterioration. On histopathological examination, contraction band necrosis of myocardial cells was observed widely in the left ventricular wall, including the papillary muscle and apex, and observed slightly in the ventricular septum and left atrium. In the brain, necrosis was observed in neurons and glia of the cerebral cortex, hippocampal pyramidal cells, glial cells of the rostral commissure and Purkinje cells of the cerebellar vermis. It is highly probable that the marked systemic deterioration was caused by cardiac dysfunction due to the spontaneous contraction band necrosis of the myocardial cells, although the pathogenesis of the myocardial lesions remains unclear. Given the distribution of neuronal necrosis in the brain, it is likely that these lesions resulted from the ischemia responsible for acute cardiac failure.
収録刊行物
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- Journal of Toxicologic Pathology
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Journal of Toxicologic Pathology 28 (4), 233-236, 2015
日本毒性病理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204413894144
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- NII論文ID
- 130005102944
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- NII書誌ID
- AN10232280
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- ISSN
- 1881915X
- 09149198
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- NDL書誌ID
- 026839946
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可