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71.
Kazuhiro KOJIMA James K. CHAMBERS Ayano ISHII Kazuhito SEGAWA Kazuyuki UCHIDA 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2022,84(2):213
An 8-year 8-month-old castrated male Munchkin presented with vomiting, anorexia and hypoactivity. Computed tomography revealed excessive gas accumulation within the intestinal lumen and gas bubbles in the liver, spleen, and portal venous system, indicating hepatic portal venous gas. The cat died without any significant improvement, and mild splenomegaly was found at necropsy. Histologically, multiple gas vacuoles were diffusely observed in the liver and spleen. In the stomach, multiple gas vacuoles and scattered focal ulcers were detected within the mucosa. Multifocal hemorrhage was noted in the small and large intestines, whereas gas vacuoles were not present. Based on these findings, a gastric ulcer under high gas pressure may have provided an entry point for gas into the portal venous system. 相似文献
72.
73.
Katsuhisa Shiraki Mihoko Ono Satoru Kajikawa Ayano Takeuchi Yuichi Murakami Yuji Oishi Masahiro Matsumoto 《Journal of toxicologic pathology》2012,25(4):273-276
The present report describes a rare case of spontaneous hemangiosarcoma in a nine-week-old
male Sprague-Dawley rat. At necropsy, multiple white nodules of various sizes were observed on
and within the enlarged spleen and liver and were histopathologically determined to be composed
of spindle- to oval-shaped cells that showed invasive growth without encapsulation and were
arranged solidly but partially in whorls or faint alveolar patterns with vascular-like spaces
containing small clefts or erythrocytes in the tumor mass. Immunohistochemical analysis
revealed that most of the tumor cells were strongly positive for vimentin, von Willebrand
factor (vWF) and CD34 but negative for podoplanin. In addition, electron microscopic
examination revealed the presence of Weibel-Palade bodies in the cytoplasm of the tumor cells.
Based on these findings, this case was diagnosed as a hemangiosarcoma. The splenic masses were
larger than the hepatic ones, with tumor cells mainly observed at periportal regions with tumor
embolism in the liver, suggesting that primary hemangiosarcoma initially developed in the
spleen before metastasizing. 相似文献
74.
Sako T Mori A Lee P Igarashi A Oda H Saeki K Miki Y Kurishima M Mimura K Nozawa S Itabashi Y Kiyosawa Y Ishioka K Arai T 《Veterinary research communications》2011,35(4):201-209
The purpose of this study was to investigate and propose possible reference intervals of plasma biochemical analytes in young dogs (<12 months old) in Japan, using 896 canine plasma samples, collected from an array of veterinary clinics throughout the greater Tokyo metropolis area in Japan. The following biochemical parameters were assessed: albumin (ALB), alanine aminotransferase (ALT), alkaline phosphatase (ALP), amylase, aspartate aminotransferase (AST), blood urea nitrogen (BUN), creatinine (CRE), glucose, lipase, total cholesterol (T-Cho), and total protein (TP) were evaluated. Multivariate linear regression analysis indicated that partitioning according to age or gender may be necessary for some plasma analytes. Age appeared to significantly affect ALB, ALT, ALP, BUN, Glucose, Lipase, and Total Protein (P=?<0.001, <0.001, <0.001, 0.013, <0.001, 0.025, and <0.001, respectively). On the other hand, gender significantly influenced ALP, Amylase, Lipase, and T-Cho levels (P=0.017, <0.001, <0.001, and <0.001, respectively) whereas it may be borderline significant with ALT (P=0.072). 相似文献
75.
Y Yamamura M Tamano T Iguchi Y Ohta 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2001,63(6):687-689
In various human tumors, a metal binding protein, metallothionein (MT) is reported to play an important role in carcinogenesis. In the present preliminary study, MT expression and tumor growth were investigated in transplantable pregnancy-independent mammary tumors (TPIMT) derived from pregnancy-independent mammary tumors (PIMT) in GR/A mice, in order to study the possible role of MT in mammary carcinogenesis. TPIMT as well as PIMT showed MT expression in tumor cells in all of the successive transplantations. A negative correlation was observed between MT expression in transplanted tumor tissues and their growth in the hosts (r=-0.53, p<0.05). The present study indicates that MT is a useful marker of tumor progression in TPIMT. 相似文献
76.
Takasu M Ohba Y Iguchi T Nishii N Maeda S Kitagawa H 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2007,69(9):985-987
A propionate tolerance test (PTT) was used to determine the pathophysiology of a Japanese Black steer with hyperglycemia. In the hyperglycemic steer, a low insulin secretion was confirmed by a glucose tolerance test (GTT), so that the hyperglycemic steer was diagnosed as insulin-dependent diabetes mellitus. Although the plasma insulin concentration in the control cattle increased in response to propionate stimulation, a low insulin response to PTT was observed in the diabetic steer. The fact that both PTT and GTT determined that the diabetic steer had low insulin secretion suggests that the PTT might be an effective diagnostic tool for diabetes mellitus in cattle. 相似文献
77.
Namikoshi Atsushi Takashima Yasuharu Iguchi Jun Yanagimoto Takashi Yamashita Michiaki 《Fisheries Science》2011,77(4):671-678
Fish species identification techniques for authentic food labeling were developed using species-specific PCR primers for cod
roe products. A salted, seasoned fish roe product, karashimentaiko (chilli cod roe), is produced from the eggs of Alaska pollock, Theragra chalcogramma, according to the fair trade competition agreement authorized by the Fair Trade Commission of the Japanese government. To
examine whether Alaska pollock ovaries or those of other fish species are being used as raw materials for the fish roe products,
we developed species identification techniques using PCR amplification of a 255-bp fragment encoding the mitochondrial ATP
synthase Fo subunit 6 (ATP6) gene with a species-specific primer set for Alaska pollock mitochondrial DNA. We also designed two species-specific primer
sets corresponding to the mitochondrial ATP6 and cytochrome b (cytb) for Gadus spp. and Micromesistius spp. by PCR amplification of 332- and 223-bp fragments, respectively. We examined the species specificity of these PCR-based
methods among nine commercially important Gadidae species. 相似文献
78.
Hydrolyzable tannins, including ellagitannins, occur in foods such as berries and nuts. Various biological activities, including antioxidant, antiviral, and antitumor activities, have been noted and reported for ellagitannins, but the absorption and metabolism of purified ellagitannins are poorly understood. We describe herein the characterization of urinary and intestinal microbial metabolites in rats after the ingestion of ellagitannins. Urine samples were collected after oral administration of ellagitannins such as geraniin ( 1), corilagin ( 2), and their related polyphenols. The suspension of rat intestinal microflora was anaerobically incubated with ellagitannins. Each sample was separated by column chromatography and/or preparative HPLC to give seven metabolites, M1- M7. The structures of these metabolites were determined on the basis of spectroscopic data and chemical evidence. These compounds, except for M1, were characterized as ellagitannin metabolites for the first time. Furthermore, among four major metabolites ( M1- M4) in urine, M2 showed an antioxidant activity comparable to intact geraniin and related polyphenols. 相似文献
79.
Kozaki M Nakamura Y Iguchi M Kano R Watanabe S Fujiwara K Hasegawa A 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2001,63(1):1-4
The expression of cytokeratins and involucrin was analyzed to identify the skin cells which compose the epidermis of dogs. The distribution of cytokeratins and involucrin in normal dog skin was immunohistochemically examined with 27 commercial monoclonal antibodies for human use. Antibodies, No.4. OV-TL12/13, 35betaH11, 4.1.18, CAM5.2, NCL5D3, Ks.13.1, Ks.18.04, Ks.19.1, 170.2.]4 and Ks.20.8 stained hair follicles and/or the sweat gland duct, but not the epidermis. Antibodies, 34betaB4, AE3, 34betaE12. LP34, RCK102, MNF116, AE1, KLI, DE-K10 and DE-K13 reacted with every layer of the epidermis, hair follicles and the sweat gland duct. These results were similar to those reported in the human skin. No positive staining, however, could be detected in the epidermis, hair follicles and the sweat gland duct with commercial antibodies, 6B10, Ks.7.18, Mu146-uc, E3, RCK108 and involucrin. Therefore, immunohistochemical investigation with these commercial antibodies developed for human skin examination might be available for investigating the origin of skin tumors in dogs. 相似文献
80.
Shotaro NISHIMURA Ayano SAGARA Ichiro OSHIMA Yoshitaka ONO Hisao IWAMOTO Kaoru OKANO Hideyuki MIYACHI Shoji TABATA 《Animal Science Journal》2009,80(4):451-459
The distribution and three-dimensional architecture of collagen fibers were compared between pig, goat and chicken livers. Immunohistochemical staining revealed that collagen type I was identified in the interlobular connective tissue region and intralobular areas in pigs and goats. Type III collagen was also identified in the interlobular connective tissue region and intralobular sinusoidal walls. In the chicken liver, only the circumference region of the vessels was immunostained with collagen type I and III antibodies and the interlobular connective tissue wall could not be distinguished clearly. In the intralobular region, collagen type I antibody immunoreacted around the hepatic cells but collagen type III antibody immunoreacted weakly. In the NaOH macerated specimen, well-developed collagen bundles formed the prominent interlobular walls in pigs. In contrast, the wall in the goat liver comprised a thin layer of the bundles. In the chicken liver, there were no notable collagen septa between lobules. The intralobular collagen construction was quite different between the animals, indicating a fragile collagen fibril networks in pigs, a robust framework in goats and dense fabric-like septa in chickens. These results indicate that the distinct collagen frameworks may contribute to the histological strength of the livers in each of the animal species. 相似文献