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A case of ilium fused with sacrum in Chinese water deer (Hydropotes inermis)
2005
Kim, C.S. (Gyeongsang National University, Jinju, Republic of Korea) | Koh, P.O. (Gyeongsang National University, Jinju, Republic of Korea) | Cho, K.W. (Gyeongsang National University, Jinju, Republic of Korea) | Cho, J.H. (Gyeongsang National University, Jinju, Republic of Korea) | Won, C.K. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: wonck@gsnu.ac.kr
The sacrum fused with ilium in a chinese water deer (Hydropotes inermis) was observed. The sacrum consists of four sacral vertebrae which was fused each other. In the ventral part of the fused pelvis, on the left, there was a 20.19 mm gap at the dorsolateral part of the sacroiliac articular part which is in between the promontory and the cranial border of the first ventral sacral foramen. On the right, there was a 14.34 mm gap at the dorsal part of sacroiliac articulation. In the dorsal view of the fused pelvis, the wing of sacrum and the wing of ilium were fused tightly, so that the boundary of the two bones was not recognizable.
Show more [+] Less [-]Incidence of micronuclei in lymphocytes of pig in the high background radiation area (Cheongwon-gun and Boeun-gun)
2005
Lee, H.J. (Chonnam National University, Gwangju, Republic of Korea) | Kang, C.M. (Korea Institute of Radiological and Medical Science, Seoul, Republic of Korea) | Kim, I.H. (Chungbuk National University, Cheongju, Republic of Korea) | Kim, T.H. (Kyungpook National University, Daegu, Republic of Korea) | Ryu, S.Y. (Chungnam National University, Daejeon, Republic of Korea) | Jo, S.K. (Korea Atomic Energy Research Institute, Daejeon, Republic of Korea) | Kim, S.R. (Chonnam National University, Gwangju, Republic of Korea) | Lee, J.H. (Chonnam National University, Gwangju, Republic of Korea) | Kim, J.S. (Chonnam National University, Gwangju, Republic of Korea) | Kim, J.C. (Chonnam National University, Gwangju, Republic of Korea) | Kim, S.H. (Chonnam National University, Gwangju, Republic of Korea), E-mail: shokim@chonnam.ac.kr | Choi, S.Y. (Korea Institute of Radiological and Medical Science, Seoul, Republic of Korea)
Cytogenetic and hematological analysis was performed in peripheral blood obtained from pigs bred in the high background radiation areas (HBRA) (Cheongwon-gun and Boeun-gun) and a control area. The frequencies of gamma-ray induced micronuclei (MN) in the cytokinesis-blocked (CB) lymphocytes at several doses were measured in three pigs. An estimated dose of radiation was calculated by a best fitting linear-quadratic model based on the radiation-induced MN formation from the swine lymphocytes exposed in vitro to radiation over the range from 0 mGy to 1,969 mGy.
Show more [+] Less [-]Morphological study on the development of the tongue in fetuses and neonates of Korean native goat (Capra hircus)
2005
Cho, C.H. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, J.H. (Konkuk University, Seoul, Republic of Korea) | Kim, C.S. (Gyeongsang National University, Jinju, Republic of Korea) | Koh, P.O. (Gyeongsang National University, Jinju, Republic of Korea) | Kang, B.I. (Gyeongsang National University, Jinju, Republic of Korea) | Won, C.K. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: wonck@gsnu.ac.kr
This study was carried out to investigate the morphological development of the tongue in the 60-, 90- and 120-day-old fetuses and neonates of Korean native goats by light microscopy. In 60-day-old fetuses, the tongue tissues were differentiated into epithelium, lamina propria, and muscle layer. The primordia of filiform, conical, lentiform, fungiform, and vallate papillae appeared by this time, and rudiments of taste buds were observed in the epithelia of the primordia gustatory papillae. The dorsal lingual epithelia were PAS positive.
Show more [+] Less [-]Mechanism of gemcitabine-induced apoptosis
2005
Seol, J.W. (Chonbuk National University, Jeonju, Republic of Korea) | Lee, Y.J. (Chonbuk National University, Jeonju, Republic of Korea) | Kang, D.W. (Chonbuk National University, Jeonju, Republic of Korea) | Kang, H.S. (Chonbuk National University, Jeonju, Republic of Korea) | Kim, N.S. (Chonbuk National University, Jeonju, Republic of Korea) | Kim, I.S. (Chonbuk National University, Jeonju, Republic of Korea) | Pak, S.Y. (Chonbuk National University, Jeonju, Republic of Korea), E-mail: sypark@chonbuk.ac.kr
The nucleoside analogue gemcitabine (2', 2-difluorideoxycytide) is potential against a wide variety of solid tumors and considered to be one of the most active drugs in the treatment of non-small cell lung cancer (NSCLC). In this study, we investigated the signals of gemcitabine-induced apoptosis, especially in point of caspase pathway in A549. We exposed A549 cells to gemcitabine for dose/time dependent manner and the results showed that gemcitabine induced apoptotic cell death in a time/dose-dependent manner. We also treated to gemcitabine and Z-VAD-fmk as a pan-caspase inhibitor for 24 hours.
Show more [+] Less [-]Changes of immunostimulatory effects by Immu-Forte on mice
2005
Jung, J.Y. (Seoul National University, Seoul, Republic of Korea), E-mail: wangza@snu.ac.kr
Immu-Forte composed of chitosan, β-glucan, manno-oligosaccharide and pangamic acid was evaluated for its effectiveness as a nonspedific immunostimulator in mice. The effects of Immu-Forte were determined by analysis of cytokines using ELISA and phenotype of leukocyte subpopulations using monoclonal antibodies specific to mouse leukocyte differentiation antigens and flow cytometry. All T cells, all B cells, CD4 T cells, CD8 T cells, macrophages, IL-2, IL-4, IL-12 and IFN-r in Immu-Forte A-treated group increased in 1 months posttreatment and were significantly higher (p less than 0.05) than that of control at 1 months posttreatment.
Show more [+] Less [-]Lack of connexin 32 does not enhance the benzene-induced hematotoxicity and hemopoietic tumor incidence in mice
2005
Yoon, B.I. (Kangwon National University, Chuncheon, Republic of Korea), E-mail: byoon@kangwon.ac.kr
This study was performed to evaluate using wild-type (WT) and C×32 knockout (KO) mice if lack of cell to cell communication by connexin 32 gap junction enhances the benzene-induced hematotoxicity and hemopoietic tumor development. The WT and C×32 KO mice were exposed to 300 ppm of benzene for 6 hours/day, 5 days/week for a total of 26 weeks by inhalation, and then sacrificed to evaluate the toxicities of hemopoietic organs or allowed to live out their life span to evaluate the hemopoietic tumor incidence. The significant increase and decrease of organ weight were respectively noted in spleen and thymus of both WT and C×32 KO mice without significant difference between the genotypes.
Show more [+] Less [-]Estrogenic Effects of endocrine disruptors and establishment of screening methods in mice
2005
Jung, J.Y. (Seoul National University, Seoul, Republic of Korea) | Lee, Y.S. (Seoul National University, Seoul, Republic of Korea), E-mail: leeys@snu.ac.kr
The major protocol features of the rodent uterotrophic assay have been evaluated using a range of reference chemicals. The protocol variables considered include the selection of the test species and route of chemical administration, the age of the test animals, the maintenance diet used, and the specificity of the assay for estrogens. The rodents were ovarjectomized under general anesthesia via bilateral flank incisions and randomly assigned to groups of 5 animals. Chemicals were DEHP, DBP, BPA and NP, were injected sc once daily with combinations of chemicals treatments for 3 days.
Show more [+] Less [-]Standardization of an enzyme-linked immunosorbent assay for detection of antibody to avian reticuloendotheliosis virus
2005
Sung, H.W. (Kangwon National University, Chunchon, Republic of Korea), E-mail: sunghw@kangwon.ac.kr | Lee, S.J. (Kangwon National University, Chunchon, Republic of Korea)
Enzyme-linked immunosorbent assay (ELISA) for detection of antibodies to reticuloendotheliosis virus (REV) at single serum dilution was standardized. REV HI, one of the Korean field isolates, was inoculated into chicken embryo fibroblast (CEF) cells and was harvested from the culture fluids and cells after 10 to 12 days. Viruses were purified by centrifugation at the 107,000×g for 12 hours on 20, 30, 45% (W/V) sucrose gradient. Virus specific fraction was collected and used as ELISA antigen. To standardize ELISA, the optimal concentration of coating antigen (1 ㎍/well) and conjugate (1/1000) was determined by corrected OD (OD value of positive serum-OD value of negative serum) and P/N ratio (OD value of positive serum/OD value of negative serum).
Show more [+] Less [-]A case of canine patent ductus arteriosus showed favorable therapeutic response by surgery combined with needle-acupuncture therapy
2005
Kim, K.S. (Withpet Animal Clinic, Seoul, Republic of Korea) | Kim, B.Y. (Noah Animal Clinic, Seoul, Republic of Korea) | Kim, T.H. (Kim Tae-Hwa Animal Clinic, Seoul, Republic of Korea) | Kim, W.B. (Gaepo Animal Clinic, Seoul, Republic of Korea) | Liu, Jian Zhu (Chungnam National University, Daejeon, Republic of Korea) | Lee, J.Y. (Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan) | Rogers, Philip A.M. (Teagasc, Grange Research Centre, Dunsany, Co., Meath, Ireland) | Kim, D.H. (Chungnam National University, Daejeon, Republic of Korea), E-mail: dhkim@cnu.ac.kr
A 6-month-old male Poodle was referred with chief complaint of dysponea and cough. Cyanosis was not detected. This dog was diagnosed as a case of canine patent ductus arteriosus (PDA) by X-ray and ultrasonography. Diuretics and bronchodialators were administered for 4 weeks. Clinical symptoms were not improved. Thoracotomy was done at right recumbent position. The length of ductus arteriosus was 8 mm and the diameter was 6 mm, respectively. Double ligation was performed in surgery. Continuous cardiac murmur, cough and strong femoral pulsation were disappeared after surgery. The diameters of the pulmonary artery and vein found to normal by X-ray on 10 days after operation.
Show more [+] Less [-]Acupuncture analgesia for operation in Korean native goats
2005
Lee, S.J. (Chungnam National University, Daejeon, Republic of Korea) | Kim, N.J. (HyeChon College, Daejeon, Republic of Korea) | Park, C.S. (Chungnam National University, Daejeon, Republic of Korea) | Jun, M.H. (Chungnam National University, Daejeon, Republic of Korea) | Lee, J.I. (Chungnam National University, Daejeon, Republic of Korea) | Kim, Y.S. (Chungnam National University, Daejeon, Republic of Korea) | Kim, M.J. (Chungnam National University, Daejeon, Republic of Korea) | Lee, J.Y. (Chungnam National University, Daejeon, Republic of Korea) | Jeong, S.M. (Chungnam National University, Daejeon, Republic of Korea) | Kim, D.H. (Chungnam National University, Daejeon, Republic of Korea) | Kim, M.C. (Chungnam National University, Daejeon, Republic of Korea), E-mail: mckim@cnu.ac.kr
The purpose of this study is to establish the analgesic effects of electroacupuncture for Korean native goat. Electroacupuncture was applied to the 6 Korean native goats. In 3 of them, rumenotomy was performed, and in the other 3, laparotomy was done. The analgesic induction time was 15 to 30 minutes. The acupoints used were Tian-ping (Celestial Peace, GV-5), Bai-hui (Hundred Meetings, GV-20), left 13th thoracic nerve and left 3rd lumbar nerve. Electroacupuncture was performed in lateral recumbency. Needles were inserted 1-2 cm deep, and connected to the electroacupuncture apparatus. The electrical stimulation condition was 30 Hz and 2-6 volts.
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