خيارات البحث
النتائج 121 - 130 من 237
Four cases of hermaphroditism in dogs
2005
Kwon, Y.S. (Chung-Ang University, Seoul, Republic of Korea) | Park, C.H. (Kitasato University, Towada, Japan), E-mail: baku@vmas.kitasato-u.ac.jp | Jang, K.H. (Kyungpook National University, Daegu, Republic of Korea) | Oyamada, Toshifumi (Kitasato University, Towada, Japan) | Yoshikawa, Hiroyasu (Kitasato University, Towada, Japan)
Hermaphroditism was discovered in four dogs at surgery. For the classification of the type of hermaphroditism in each case, gross morphological and histopathological studies were performed. Based on the histopathological studies, two dogs were diagnosed as unilateral true hermaphroditism because they had mixed gonad containing testis and ovary in unilateral gonad. Whereas two dogs were diagnosed as male pseudohermaphroditism because they had only testis and uterus that had endometrial atrophy. After resection, further follow-up of several months revealed no evidence of clinical abnormalities.
اظهر المزيد [+] اقل [-]Evaluation of sodium carboxymethylcellulose for prevention of adhesion in intestinal anastomosis in dogs
2005
Jang, H.Y. (Konkuk University, Seoul, Republic of Korea) | Yoon, H.Y. (Konkuk University, Seoul, Republic of Korea) | Kim, J.Y. (Konkuk University, Seoul, Republic of Korea) | Han, H.J. (Konkuk University, Seoul, Republic of Korea) | Lee, B.R. (Konkuk University, Seoul, Republic of Korea) | Won, H.J. (Konkuk University, Seoul, Republic of Korea) | Jeong, S.W. (Konkuk University, Seoul, Republic of Korea), E-mail: swjeong@konkuk.ac.kr
Adhesions are the most common postoperative complication in intestinal surgery in dogs. This study was aimed at verify to the efficacy of sodium carboxymethylcellulose (SCMC) in the adhesion prevention during healing of intestinal anastomosis. Twenty three healthy dogs were taken with average 4.17 years and weight was 5.68 kg and divided into 4 groups. The dogs of group Ⅲ and Ⅳ, a pedicle of greater omentum was wrapped around the suture line. In the animals of group Ⅱ and Ⅳ, 1% SCMC was infused (5 ml/kg, IP) at just before closure of the abdominal cavity. Two weeks after surgery, animals were reoperated and the adhesions were evaluated and graded.
اظهر المزيد [+] اقل [-]Effects of anesthetics on resistive index of the medial long posterior ciliary artery and ophthalmic artery using color doppler imaging
2005
Choi, H.J. (Chungnam National University, Daejeon, Republic of Korea) | Yoon, J.H. (Seoul National University, Seoul, Republic of Korea) | Yeon, S.C. (Gyeongsang National University, Jinju, Republic of Korea) | Lee, Y.W. (Chungnam National University, Daejeon, Republic of Korea) | Lee, H.J. (Seoul National University, Seoul, Republic of Korea) | Lee, H.C. (Seoul National University, Seoul, Republic of Korea), E-mail: Ihc@nongae.gsnu.ac.kr
Color Doppler imaging (CDI) was carried out to evaluate the anesthetics effect on ophthalmic circulation using CDI-derived resistive index (RI) values. CDI was preformed on 24 dogs, and RI values were calculated for the medial long posterior ciliary artery (mLPCA) and ophthalmic artery (OA) before and after administration of anesthetics. After administration of benoxinate or acepromazine, a significant change of the mLPCA RI was not found. But, a significant decrease of the RI following ketamine (p less than 0.001) or xylazine (p less than 0.01) administration could be observed as compared with the self-control. Mean RI value of OA also showed this same trend.
اظهر المزيد [+] اقل [-]Coexpression of PCNA and p21 for DNA repair in small intestinal crypt cells of mouse with ∨60Co γ-rays irradiation
2005
Hong, S.J. (Cheju National University, Jeju, Republic of Korea) | Hwang, I.S. (Cheju National University, Jeju, Republic of Korea) | Ahn, M.J. (Cheju National University, Jeju, Republic of Korea) | Shin, T.K. (Cheju National University, Jeju, Republic of Korea) | Joo, H.G. (Cheju National University, Jeju, Republic of Korea) | Park, H.J. (Cheju National University, Jeju, Republic of Korea) | Jee, Y.H. (Cheju National University, Jeju, Republic of Korea), E-mail: yhjee@cheju.ac.kr
The irradiation of radioactive γ-ray induces apoptosis of radiosensitive organs for homeostasis. In this study, we investigated the repair mechanisms for homeostasis in the small intestine after cell damage by ∨60Co γ-ray irradiation. The apoptosis was most frequently observed in the crypt cells of the small intestine after four and six hours by radioactive γ-ray irradiation, and the frequency of apoptosis was proportional to the amount of irradiation. Also, the number of apototic cells was coincident with expression pattern of p53.
اظهر المزيد [+] اقل [-]Vasorelaxant and hypotensive effects of trazodone in Guinea pig
2005
Kim, S.J. (Chonbuk National University, Jeonju, Republic of Korea) | Kang, H.S. (Chonbuk National University, Jeonju, Republic of Korea) | Kim, J.S. (Chonbuk National University, Jeonju, Republic of Korea), E-mail: kimjs@chonbuk.ac.kr
We studied the effects of trazodone on arterial blood pressure in anesthesized guinea pigs, and on vascular responses in isolated thoracic aorta. Trazodone produced a concentration-dependent relaxation in phenylephrine-precontracted endothelium intact (+E) rings, but not in a KCl-precontracted aortic rings. These relaxant effects of trazodone on +E rings were siginificantly greater than those on denuded (-E) rings. The trazodone-induced relaxation was suppressed by gilbenclamide and tetrabutylammonium, but not by N(G)-nitro-L-arginine (L-NNA), N(omega)-nitro-L-arginine methyl ester (L-NAME), methylene blue (MB), nifedipine, indomethacin, 2-nitro-4-carboxyphenyl-n,n-diphenylcarbamate (NCDC) and clotrimazole. In vivo, infusion of trazodone elicited a significant decrease in arterial blood pressure.
اظهر المزيد [+] اقل [-]Effects of dietary Gleditschia addition on biochemical composition of pork loin
2005
Seo, J.L. (Gyeongnam Livestock Promotion Institute South-branch, Tongyong, Republic of Korea) | Hah, D.S. (Gyeongnam Provincial Government Institute of Health and Environment, Changwon, Republic of Korea) | Ryu, J.D. (National Veterinary Research and Quarantine Service Busan Resional Office, Busan, Republic of Korea) | Kim, C.H. (Jinju National University, Jinju, Republic of Korea) | Kim, G.S. (Gyeongsang National University, Jinju, Republic of Korea) | Heo, J.H. (Gyeongnam Livestock Promotion Institute South-branch, Tongyong, Republic of Korea) | Jung, M.H. (Gyeongnam Livestock Promotion Institute South-branch, Tongyong, Republic of Korea) | Cho, M.H. (Gyeongnam Livestock Promotion Institute South-branch, Tongyong, Republic of Korea) | Lee, K.C. (Gyeongnam Livestock Promotion Institute South-branch, Tongyong, Republic of Korea) | Kim, K.H. (Gyeongnam Livestock Promotion Institute South-branch, Tongyong, Republic of Korea) | Kim, E.G. (Gyeongsang National University, Jinju, Republic of Korea) | Kim, J.S. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: jskim@gsnu.ac.kr
The effects of dietary Gleditschia on fatty acid composition, lipid oxidation, and pork quality were investigated. Pigs (n=40) were fed a diet containing 0, 0.1, 0.2, 0.4, and 1% Gleditschia for 14 weeks and slaughtered at 110 kg average. The longissimus throracis et lumborum muscle was collected at 24 hr postmortem. Pork loin chops (3 cm thick) were packaged aerobically and stored at 4℃ for 7 days. Samples were analyzed for fatty acid composition, ultimate pH, thiobarbituric acid-reactive substance (TBARS), color (L*, a*, b*), drip loss and water-holding capacity.
اظهر المزيد [+] اقل [-]Expression of caveolin-3 as positive intracellular signaling regulator on the development of hypertrophy in cardiac tissues
2005
Kim, J.H. (Gyeongsang National University, Jinju, Republic of Korea) | Han, J. (Inje University, Busan, Republic of Korea) | Kim, Y.K. (Inje University, Gimhae, Republic of Korea) | Hong, Y.G. (Inje University, Busan, Republic of Korea), E-mail: yonghong@inje.ac.kr | Yang, Y.A. (Inje University, Gimhae, Republic of Korea)
We have examined distribution and expression of caveolin-3 (cav-3), one of three caveolin isoforms from 16-wks-old spontaneously hypertensive rats (SHR) compared with age-matched control wistar-kyoto (WKY) rats. The expression of cav-3 was increased, whereas expression of PKB/Akt and calcineurin (Cn) was not changed in cardiac tissues of SHR compared to WKY rats. Interestingly, expression of cav-3, PKB/Akt and Cn were decreased in plasma membrane fraction in SHR compared to WKY rats. In H9c2 cardiomyoblast cells treated with phenylephrine (50 μM, 48hr) or isoproterenol (10 μM, 48hr), the expression of cav-3 was markedly enhanced compared to nontreated cells.
اظهر المزيد [+] اقل [-]Biochemical characteristics of Aeromonas hydrophilia isolated from Jackass Penguins (Spheniscus demersus) and Capelins (Mallotus villosus)
2005
Kim, K.T. (Daejeon Zoo Land, Daejeon, Republic of Korea) | Cho, S.W. (Chungnam National University, Daejeon, Republic of Korea), E-mail: swcho@cnu.ac.kr | Son, H.Y. (Chungnam National University, Daejeon, Republic of Korea) | Ryu, S.Y. (Chungnam National University, Daejeon, Republic of Korea)
The present study was conducted to investigate biochemical characteristics and antimicrobial susceptibility of Aeromonas hydrophilia isolated from Jackass penguins (Spheniscus demersus) of zoo and capelins (Mallotus villosus). Seven of Jackass penguins showed anorexia, depression with seriously greenish vomiting for a few days, but resulted in 4 deaths although extensive treatment was carried out by zoo veterinarians. From the 18 samples composed of organs of feces from dead or live Jackass penguins and capelins, 4 (22.2%) Aeromonas hydrophilia were isolated and Bacillus spp, Staphylococcus aureus, Staphylococcus auricularis, Staphylococcus cohnii and Enterobacter aminigenus were also identified.
اظهر المزيد [+] اقل [-]Pathological study on abdominal fat necrosis of adult cattle sampled from slaughterhouse in Korea
2005
Lee, J.C. (Seojeong College, Yangju, Republic of Korea) | Kim, J.S. (Chonnam National University, Gwangju, Republic of Korea) | Suh, G.H. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Lee, C.G. (Seojeong College, Yangju, Republic of Korea) | Kim, S.K. (Seojeong College, Yangju, Republic of Korea) | Cho, K.O. (Seojeong College, Yangju, Republic of Korea) | Kang, M.I. (Seojeong College, Yangju, Republic of Korea) | Jeong, C. (Seojeong College, Yangju, Republic of Korea) | Park, S.H. (Seojeong College, Yangju, Republic of Korea) | Lee, C.Y. (Seojeong College, Yangju, Republic of Korea), E-mail: cylee@chonnam.ac.kr
An abattoir study on the abdominal fat necrosis in adult cattle was performed pathologically. Grossly, masses of fat necrosis were leekgreen in colour, lobulated on the cut surface, and saponificated in the texture. These necrotic adipose tissues infiltrated usually into neighboring parenchymal organs including intestines and pancreas, leading to fibrosis or atrophy of them. Histopathologically, necrotic fat cells contained acidophilic, opaque, amorphous substance or basophilic fibrillar or granular minerals in their cytoplasms. The lesions of fat necrosis were divided by fibroconnective tissue. With increase of the severity, necrotic fat cells fused each other and then formed fat cysts.
اظهر المزيد [+] اقل [-]Rupture of a large colon associated with sand impaction in a Thoroughbred horse
2005
Yang, J.H. (Korea Racing Association, Jeju, Republic of Korea) | Kim, H.N. (Cheju National University, Jeju, Republic of Korea) | Yang, Y.J. (Korea Racing Association, Jeju, Republic of Korea) | Moon, J.H. (Korea Racing Association, Jeju, Republic of Korea) | Hwang, K.K. (Cheju National University, Jeju, Republic of Korea) | Lim, Y.K. (Cheju National University, Jeju, Republic of Korea), E-mail: yklim@cheju.ac.kr
The disease causing colic is the greatest cause of deathe in the domestic horse population today and accidental deaths as a result of colic leads to decreased productivity and economic losses in the horse breeding industry. Large colon impaction is the most common cause of colic in horses. Horses may ingest sand either by eating from the ground in sandy locations, or because of its inclusion in hay. In certain areas sand impaction is relatively common. The horse (4 year, female) presented with abdominal pain, which was charactered by willing to lie down, pawing, and looking at flank. A month later, the horse died suddenly at sand paddock.
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