| Pathological and immunohistochemical studies in Syrian hamsters experimentally infected with encephalomyocarditis virus isolated in Korea |
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Won-kee Yoon, Sung-whan Cho |
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College of Veterinary Medicine, Chungnam National University |
| 국내 분리 encephalomyocarditis virus의 실험적 감염 Syrian hamster에 대한 병리학적 및 면역조직화학적 연구 |
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윤원기, 조성환 |
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충남대학교 수의과대학 |
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| Abstract |
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To elucidate pathogenicity to hamster of encephalomyocarditis virus $K_3$ strain that was isolated in Korea from the swine with reproductive failures, adult male syrian hamsters were experimentally infected intraperitoneally with the virus at $10^{7.0};TCID_{50}/0.1ml$ and pathological and immunohistochemical studies were performed. The results obtained through the experiment were as follows. 1. Clinical signs such as depression, unkempt hair and bilateral parlysis of hind limbs were observed. 2. At necropsy, mild congestion was observed in the cerebrum, liver, kidney and lung, and atrophy was evident in testis. 3. In microscopic observation, degeneration and necrosis of the nervous cells and perivascular mononuclear cell infiltration were manifested in central nerve system, and various degrees of degeneration and necrosis of parenchymal cells were detected in pancreas, lacrimal gland, liver, kidney and testis. 4. In immunohistochemical observation, strong positive reactions were observed in degenerated parenchymal cell of testis, and weak positive reactions, in hepatocytes. |
| Key Words:
EMC(encephalomyocarditis), Syrian hamster, immunohistochemical |
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