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국내에서 분리된 돼지 유행성 설사증 바이러스 접종자돈의 병리학적 소견
김계엽,박남용,정치영,박영석,Kim, Gye-Yeop,Park, Nam-Yong,Chung, Chi-Young,Park, Young-Seok 한국수의병리학회 1998 한국수의병리학회지 Vol.2 No.2
Twelve colostrum-deprived piglets were inoculated oral1y with porcine epidemic diarrhea virus isolated from Korea. The piglets were euthanatized from at 12 hour postinoculation(PI) at 6-hour intervals. At 24 to 36 hours PI, all infected piglets showed severe yellowish to watery diarrhea, dehydration, depression, and anorexia. At necropsy, the intestinal wall looked thin, mesenteric vessels congested, and mesenteric lymph nodes edematous. The histological findings showed marked villous atrophy and fusion, severe degeneration of enterocytes and monomuclear cell infiltration in the lamina propria. On electron microscopy, villous epithelial cells of infected jejunum contained viral particles at 18 hour PI. The viral particles were pleomorphic spheres with a mean diameter of 95∼180nm including 18nm projections.
김계엽,Kim, Gye-Yeop 대한수의학회 2001 大韓獸醫學會誌 Vol.41 No.4
The chicks from 6 field broiler farms revealed peripheral neuropathy including leg weakness, curled toes and drooped wings. Grossly distinctive enlargements of sciatic nerve, branchial nerve and lumbar nerve were observed in the chicks. Histologically nerve lesions consisted of demyelination of myelin sheaths, Schwann cell proliferation and swelling, and interstitial edema in the peripheral nerves of all birds examined. Axonal swelling and infiltration of small lymphocytes were observed, but not a primary lesion. After treatment of riboflavin, neurological disorder was markedly recovered. From these results, it is suggested that the peripheral nerve lesions in these cases were caused by dietary riboflavin deficiency.
김계엽,정현우,김경윤,Kim, Gye-Yeop,Jeong, Hyun-Woo,Kim, Kyung-Yoon 대한동의생리학회 2006 동의생리병리학회지 Vol.20 No.6
This experimental study was carried out to investigate the immunostimulating effect of Acanthopanax, as Oriental rhizomata herbs, on jejunal survival, endogenous spleen colony formation, apoptosis in jejunal crypt cells and lipid peroxidation in the liver of mice following Gamma-ray irradiation. The subject of this study includes 72 mice which were divided into each 7 groups. Acanthopanax experiment groups were Acanthopanax. Gamma-ray(lOGy), Acanthopanax. Gamma-ray(3Gy), Acanthopnax. Gamma-ray(1Gy), Gamma-ray control(1OGy), Gamma-ray control(3Gy), Gamma-ray control(1Gy), Normal groups. The results of this study were as follows : Treatment with Acanthopanax showed significantly increased(p<0.05) on the cell death apoptosis in crypt, intestine crypts survival of intestine in mice following low-dose(1Gy) Gamma-ray radiation. And that significantly increased(p<0.05) on jejunal crypt survival and reduced(p<0.05) on lipid peroxidation in mice following high-dose(1OGy) Gamma-ray radiation. The above results suggest that Acathopanax were immunostimulating effectively reduced Gamma-ray irradiation.