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Kang-seuk Choi,Jin-ju Nah,Young-joon Ko,Shien-young Kang,Yi-seol Joo 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
of Antigenic Sites at the Amino-terminus of Rinderpest Virus N Protein Using Deleted N Mutants and Monoclonal AntibodyKang-seuk Choi*, Jin-ju Nah, Young-joon Ko, Shien-young Kang1 and Yi-seok JooNational Veterinary Research and Quarantine service, Ministry of Agriculture and Forestry, 480 Anyang, Gyounggi 430-824, Korea1Research Institute of Veterinary Medicine, College of Veterinary Medicine, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, KoreaReceived April 2, 2003 / Accept July 10, 2003J. Vet. Sci. (2003), 4(2), 167-173JOURNAL OFVeterinaryScience*Corresponding author: Kang-seuk Choi National Veterinary Research and Quarantine service, Ministry of Agriculture and Forestry, 480 Anyang, Gyounggi 430-824, Korea Tel: +82-31-467-1860, Fax: +82-31-449-5882 E-mail: choiks@nvrqs.go.kr
Shien-Tung Pan,Shih-Sung Chuang,Chih-Yuan Cheng,Nie-Sue Lee,Peir-In Liang 대한병리학회 2014 Journal of Pathology and Translational Medicine Vol.48 No.2
Follicular dendritic cell (FDC) sarcoma is rare and is classified either as conventional type or inflammatory pseudotumor (IPT)-like variant. Extranodal presentation is uncommon and nearly all gastrointestinal FDC tumors are of the conventional type. IPT-like variant tumors occur almost exclusively in the liver and spleen and are consistently associated with Epstein-Barr virus (EBV). Here we report the case of a 78-year-old woman with an IPT-like FDC sarcoma presenting as a pedunculated colonic polyp. Histologically, scanty atypical ovoid to spindle cells were mixed with a background of florid lymphoplasmacytic infiltrate, which led to an initial misdiagnosis of pseudolymphoma. These atypical cells expressed CD21, CD23, CD35, and D2-40, and were positive for EBV by in situ hybridization, confirming the diagnosis. The patient was free of disease five months after polypectomy without adjuvant therapy. Although extremely rare, the differential diagnosis for colonic polyp should include FDC sarcoma to avoid an erroneous diagnosis. A review of the 24 cases of IPT-like FDC sarcoma reported in the literature reveal that this tumor occurs predominantly in females with a predilection for liver and spleen, and has a strong association with EBV.
Studies on the pathogenesis of group A avian rotavirus infection in turkeys
Kang, Shien-young,Nagaraja, Kakambi V.,Newman, John A. The Korean Society of Veterinary Science 1993 大韓獸醫學會誌 Vol.33 No.2
조류 로타바이러스 감염 음성인 1일령, 7일령, 14일령 그리고 21일령된 칠면조에 조류 로타바이러스를 인공감염시킨 후 소장에서의 바이러스의 분포, 배출 그리고 소장의 흡수기능을 조사하였다. 1일령, 7일령 그리고 14일령의 칠면조는 조류 로타바이러스에 대한 혈중모체이행항체의 존재에도 불구하고 로타바이러스 감염에 민감하였다. 인공감염된 칠면조는 경미한 임상증상을 보였으며 십이지장, 공장 그리고 회장의 성숙된 용모상피세포에서 바이러스가 검색되었다. 병리조직학적인 소견으로서는 상피세포에 공포가 형성되었으며 호중구의 침윤이 관찰되었다. 조류 로타바이러스에 인공감염된 14일령 칠면조에서 감염후 1일과 3일에 D-xylose흡수기능은 대조군과 비교하였을 때 유의성이 인정되었다. Commercial turkey poults not previously exposed to avian rotavirus were inoculated orally with the virus alone or in combination with E coki serotype 078 at 1, 7, 14 and 21 days of age. Turkey poults of 1, 7 and 14 days of age were susceptible to infection despite the presence of maternal antibodies against avian rotavirus in their serum. However, turkey poults at 21 days of age were less susceptible compared to those ages 1, 7 and 14 days. The clinical signs in poults of all ages were mild. Viral antigens were demonstrated in the mature villous epithelial cells of the duodenum, jejunum and ilem. Histopathological lesions were characterized by vacuolation of the epithelial cells and heterophil infiltration in infected turkey poults. A significant difference in D-xylose absorption was observed between control and rotavirus infected groups at 1 and 3 days post-infection in 14 days old turkey poults.