Уточнить поиск
Результаты 1-10 из 17
Juvenile osteosarcoma in the femur of an Alaskan malamute
2005
Jee, H. (Seoul National University, Seoul, Republic of Korea) | Kim, H.W. (Haemaru Animal Referral Hospital, Pundang, Republic of Korea) | Oh, S.Y. (Seoul National University, Seoul, Republic of Korea) | Pakhrin, Bidur (Seoul National University, Seoul, Republic of Korea) | Kim, D.Y. (Seoul National University, Seoul, Republic of Korea), E-mail: daeyong@snu.ac.kr | Choi, J.H. (Haemaru Animal Referral Hospital, Pundang, Republic of Korea)
An 18-month-old male Alaskan malamute was euthanized due to slowly growing mass around the left femur after history of left posterior limb lameness. At necropsy, a firm confluent mass approximately 15cm in diameter was noted surrounding the femur and proximal portion of the tibia/ulna with traumatic ulceration of the overlying skin. On cross sections of the mass, many unencapsulated firm tan coalescing lobules were noted. The neoplasm consisted of closely packed spindle cells with homogenous eosinophilic material (osteoids) between the neoplastic cells. The pulmonary metastasis was confirmed. Based on the gross and histopathologic examinations, the case was diagnosed as juvenile osteosarcoma.
Показать больше [+] Меньше [-]Flow cytometric analysis of apoptosis in mouse thymocytes by galectin-3
1999
Kim, T.J. | Woo, H.J. (Seoul National University, Suwon (Korea Republic). Laboratory of Immunology, Department of Microbiology, College of Veterinary Medicine)
Galectin-3 plays an important role in cell development, differentiation and cancer metastasis, including cell-cell/extracellular matrix (ECM) interactions and is supposed to have an effect of apoptosis on T-cells in thymic clonal selection. In this study, to know the effect of galectin-3 on thymocyte development, we used recombinant human galectin-3 (rHgal-3) from Escherichia coli, JM105, which was inserted with human gal-3 gene-transformed plasmid vector (prGal-3) to express human galectin-3. Expressed rHgal-3 was confirmed by western blot using the culture supernant of hybridoma (M3/38) producing monoclonal antibody to human galectin-3. Sepharose gel affinity chromatography was used to purify the expressed rHgal-3. Thymocytes and hepatocytes from 6-week-old male BALB/c mice were incubated with rHgal-3 and showed marked increase of apoptotic population on analysis using flow cytometry with 7-AAD in a dosedependent manner. However, rHgal-3 failed to induce apoptosis on hepatocytes. Interestingly, this apoptotic effect was not inhibited by lactose, a specific lectin domain inhibitor. From these results, we concluded that extrinsic galectin-3 induces apoptosis on mouse thymocytes, and galectin-3 may have an apoptotic effect on T-cells in thymic clonal selection.
Показать больше [+] Меньше [-]Differential diagnosis among Marek's disease, reticuloendotheliosis and avian leukosis by polymerase chain reaction
1998
Seong, H.W. (National Veterinary Research Institute, RDA, Anyang (Korea Republic)) | Kim, S.J. (Seoul National University, Suwon (Korea Republic). College of Veterinary Medicine)
Studies on antitumor effects of pine needles, Pinus densiflora sieb.et zucc.
1993
Moon, J.J. | Han, Y.B. | Kim, J.S. (Konkuk University, Seoul (Korea Republic). College of Animal Husbandry)
The effect of caffeine on initiation step of diethylnitrosamine-initiated hepatic altered foci in a mid-term induction system
1991
Kim, S.H. (Korea Atomic Energy Research Inst., Seoul (Korea Republic). Korea Cancer Center Hospital) | Lee, C.S. (Kyungpook National Univ., Taegu (Korea Republic). Coll. of Veterinary Medicine)
Histopathological studies on the influence of mast cell in the growth of rat mammary carcinoma, 2; Effect of mast cell mediator on the development of rat mammary carcinoma
1991
Kim, T.H. (Korea Atomic Energy Research Institute, Seoul (Korea Republic). Korea Cancer Center Hospital) | Lee, C.S. (Kyungpook National Univ., Taegu (Korea Republic). Coll. of Veterinary Medicine)
The changes of plasma prostaglandin E2 level and natural killer cell activity in EL-4 leukemia cells bearing mice
1989
Kim, S.H. (Korea Cancer Center Hospital, Seoul (Korea R.). Laboratory of Cancer Pathology)
The change of plasma prostaglandin E2 level, natural killer cell activity and tumor cell growth were assayed after transplantation of EL-4 leukemia cells in C57BL/6 mice. Plasma prostaglandin E2 level was increased in EL-4 bearing mice, but indomethacin treated mice group showed low level. The tumor-derived prostaglandin E2 inhibited the post-target binding cytolytic process of natural killer activity. Indomethacin inhibited the growth of prostaglandin secreting EL-4 solid tumor
Показать больше [+] Меньше [-]The effect of caffeine on promotion step of dimethylnitrosamine-initiated hepatic altered foci in a mid-term induction system
1992
Kim, S.H. (Korea Atomic Energy Research Inst., Seoul (Korea Republic). Korea Cancer Center Hospital) | Lee, C.S. (Kyungpook Nat'l Univ., Taegu (Korea Republic). Coll. of Veterinary Medicine)
Spontaneous nephroblastoma in a New Zealand White rabbit: A case report
1992
Kang, B.H. | Ha, C.S. (Korea Research Inst. of Chemical Technology, Taejon (Korea Republic). Toxicology Research Center)
Studies on the ploidy distributions of the hepatocytes isolated in hepatocarcinogensis of rats
1992
Choi, K.C. | Lee, Y.S. (Seoul Nat'l Univ., Suwon (Korea Republic). Coll. of Veterinary Medicine)