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61.
Soma T. Ishii H. Hara M. Yamamoto S. Yoshida T. Kinoshita T. Nomura K. 《Veterinary research communications》2001,25(4):311-325
The use of immunoperoxidase plaque staining (IP) in the antibody test for canine distemper virus (CDV) and its diagnostic value were investigated. Antibody titres by the IP test and neutralizing test (NT) against CDV were compared in 114 specific pathogen-free (SPF) dogs, including 84 CDV-vaccinated and 30 unimmunized dogs. All of the unimmunized dogs, which had negative NT titres, also showed negative IP titres, and all of the CDV-vaccinated dogs, which had positive NT titres, showed positive IP titres. Furthermore, the IP titres showed similar changes with time after vaccination to the NT titres in five CDV-vaccinated SPF dogs. These findings indicate that the IP test has similar specificity to the NT.Next, the IP and NT titres were compared in 190 clinically suspected cases of canine distemper (CD), including 107 dogs with neurological signs and 83 dogs without neurological signs, and also in 50 clinically healthy dogs. Among the suspected cases of CD, of 46 dogs with neurological signs and 29 dogs without neurological signs, and which had negative NT titres, 33 (72%) and 19 (66%), respectively, showed positive IP titres. Many suspected cases of CD showed a high IP titre despite a low NT titre. In contrast, among healthy dogs, none of 9 NT-negative dogs showed positive IP titres.The difference in the IP and NT titres (log10 [reciprocal of IP titre] – log10 [reciprocal of NT titre]) was measured to investigate the agreement between IP test and NT. The differences were 1.488±0.867, 1.245±0.833, 0.595±0.351 and 0.594±0.372, respectively, in the suspected cases of CD with neurological signs, the suspected cases of CD without neurological signs, the healthy dogs and the SPF dogs. The differences in the suspected cases of CD were significantly high compared to those for the SPF dogs (p<0.001).Furthermore, in 8 dogs diagnosed as cases of CD from their paired sera, whose initial sera showed a markedly low NT titre compared to the IP titre, 5 dogs without neurological signs developed neurological signs later.These findings suggest that the IP test can detect CD during its early phases and in dogs with low antibody levels, undetectable by NT, and so would be useful for serological diagnosis. 相似文献
62.
Kinoshita J 《Science (New York, N.Y.)》1995,268(5211):633-634
63.
It has been assumed that the new members of the p53 protein family, p63 and p73, would have the same job as p53, namely, forcing cells to die if they or their DNA is damaged. Now, as Morrison and Kinoshita explain in their Perspective, one particular form of p73 has been found to be a survival factor rather than a death factor for sympathetic neurons during development (Pozniak et al.). 相似文献
64.
65.
Polyol accumulation in galactosemic and diabetic rats: control by an aldose reductase inhibitor 总被引:7,自引:0,他引:7
E Dvornik N Simard-Duquesne M Krami K Sestanj K H Gabbay J H Kinoshita S D Varma L O Merola 《Science (New York, N.Y.)》1973,182(117):1146-1148
An orally active inhibitor of aldose reductase, 1,3-dioxo-1H-benz[de]-isoquinoline-2(3H)acetic acid (AY-22,284), prevented cataractous changes in cultured lenses exposed to high concentrations of galactose. When given orally, AY-22,284 markedly decreased the accumulation of polyols in the lenses and sciatic nerves of galactosemic rats and rats with streptozotocin-induced diabetes. In addition, treatment of galactosemic rats with AY-22,284 effectively suppressed the formation of cataracts. 相似文献
66.
Katsuhiko Yoshizawa Yuko Emoto Yuichi Kinoshita Ayako Kimura Norihisa Uehara Takashi Yuri Nobuaki Shikata Airo Tsubura 《Journal of toxicologic pathology》2013,26(1):61-66
Uterine deciduomas were found in two female virgin rats, a 15-week-old Lewis rat and a 7-week-old Sprague-Dawley rat. The firm white nodules were located at the base of unilateral uterine horns and were approximately 6 mm and 4 mm in diameter. Histopathologically, the nodules were composed of three areas, each with a distinct type of proliferating cells: large epithelioid decidual cells with round nuclei, prominent nucleoli and abundant eosinophilic cytoplasm (antimesometrial region); compact spindle-shaped cells with oval nuclei and vacuolar cytoplasm (transitional region); and pleomorphic and spiny cells with round to oval nuclei and compact eosinophilic cytoplasm (mesometrial region). These cells proliferated in sheet-like arrangements and transformed into the other types of cells located in surrounding regions. Immunohistochemically, proliferating cells in all regions were strongly positive for proliferating cell nuclear antigen. The proliferating cells were positive for vimentin, and large decidual cells were positive for common acute lymphoblastic leukemia antigen 10, a marker of uterine interstitial cells. Large decidual cells were positive for α-smooth muscle actin and desmin, suggesting differentiation into muscular cells. Progesterone receptor was expressed in all cell types; however, estrogen receptor α was not expressed in the antimesometrial region. These extremely rare tumor-like nodules represent nonneoplastic lesions referred as decidual reactions of endometrial interstitial cells, and their biological behavior is that of a space-occupying benign tumor in young rats. Our cases might provide information as a historical control in toxicity and pharmacological studies in rats. 相似文献
67.
Innervation of Extrahepatic Biliary Tract,With Special Reference to the Direct Bidirectional Neural Connections of the Gall Bladder,Sphincter of Oddi and Duodenum in Suncus murinus,in Whole‐Mount Immunohistochemical Study 下载免费PDF全文
S.‐Q. Yi K. Ren M. Kinoshita N. Takano M. Itoh N. Ozaki 《Anatomia, histologia, embryologia》2016,45(3):184-188
Sphincter of Oddi dysfunction is one of the most important symptoms in post‐cholecystectomy syndrome. Using either electrical or mechanical stimulation and retrogradely transported neuronal dyes, it has been demonstrated that there are direct neural pathways connecting gall bladder and the sphincter of Oddi in the Australian opossum and the golden hamster. In the present study, we employed whole‐mount immunohistochemistry staining to observe and verify that there are two different plexuses of the extrahepatic biliary tract in Suncus murinus. One, named Pathway One, showed a fine, irregular but dense network plexus that ran adhesively and resided on/in the extrahepatic biliary tract wall, and the plexus extended into the intrahepatic area. On the other hand, named Pathway Two, exhibiting simple, thicker and straight neural bundles, ran parallel to the surface of the extrahepatic biliary tract and passed between the gall bladder and duodenum, but did not give off any branches to the liver. Pathway Two was considered to involve direct bidirectional neural connections between the duodenum and the biliary tract system. For the first time, morphologically, we demonstrated direct neural connections between gall bladder and duodenum in S. murinus. Malfunction of the sphincter of Oddi may be caused by injury of the direct neural pathways between gall bladder and duodenum by cholecystectomy. From the viewpoint of preserving the function of the major duodenal papilla and common bile duct, we emphasize the importance of avoiding kocherization of the common bile duct so as to preserve the direct neural connections between gall bladder and sphincter of Oddi. 相似文献
68.
Hideki Fujisawa Zean Zhang Wei Sun Mingshu Huang Junichi Kobayashi Hitoshi Yasuda Yuichi Kinoshita Ryo Ando Kazutoshi Tamura 《Journal of toxicologic pathology》2012,25(3):215-219
Morphological and immunohistochemical examinations were carried out on the pancreas of a
hyperglycemic 5-year-old male cynomolgus monkey. Body weight gradually decreased from 6
months before termination, accompanying a slight reduction in food consumption and
anorexia for the last 2 days. The blood glucose level was markedly elevated when examined
at termination. Histopathologically, in the exocrine pancreas, diffuse hyperplasia of
centroacinar and intercalated duct cells and diffuse atrophy of acinar cells with sporadic
apoptosis were observed, although most centroacinar and intercalated duct cells were
proliferating cell nuclear antigen (PCNA)-positive in both the present case and
age-matched control animals. In the endocrine pancreas, the islets tended to be
hypertrophic, with an increase in insulin-positive cells in comparison with the
age-matched control animals. PCNA-positive cells also tended to increase in the islets,
although positive cells for phospho-histone H3, a marker for mitotic cells, were not
detected in the endocrine and exocrine pancreas. Moreover, neither inflammation nor
amyloidosis was noted in the islets. In conclusion, the present case probably suffered
from early-stage type 2 diabetes mellitus, and it provides fundamental information
concerning pancreatic histopathology under insulin-related derangement in monkeys. 相似文献
69.
T Sasaki K Yoshizawa Y Kinoshita H Miki A Kimura T Yuri N Uehara A Tsubura 《Journal of toxicologic pathology》2012,25(2):179-182
An intracranial lipomatous hamartoma was found in the third ventricle of a 7-week-old female BALB/cAnNCrlCrlj mouse. The nodule was composed of mature white adipose cells, which contained one large fat droplet, and there was no evidence of cytological atypia. The brain parenchyma at the retrosplenial granular cortex and the hippocampus in the cerebrum were slightly compressed, and the choroid plexus was dislocated downward. Scattered capillary vessels penetrated the nodule from the surrounding tissue. Based on these findings, the lesion was diagnosed as a lipomatous hamartoma that occurred from the roof of the third ventricle. This extremely rare tumor-like nodule represents an overgrowth of the mature adipocyte population as a malformation rather than a true neoplasm. 相似文献
70.
Physiologic changes occurring in the thyroid in response to the estrous cycle have been noted in companion animals. However, in bottlenose dolphins, the influence of different reproductive states on thyroid morphology remains unclear. Sonography was used to evaluate the variations of thyroid morphology for nine consecutive estrous cycles of four sexually mature, female Indo-Pacific bottlenose dolphins (Tursiops aduncus). The estrous cycle was divided into two phases for evaluation: the follicular and luteal phases. To compare changes associated with sex, thyroid volumes were measured in the different phases during the estrous cycle of female dolphins and were compared to the ultrasound examinations of the four male dolphins measured over a 2-mo period. In males, there was no significant difference in thyroid volume during the study period (P > 0.05). The thyroid volume measured in combining all estrous cycle phases of the female dolphins was significantly larger than that measured in the male dolphins (P < 0.05). A difference in thyroid volume during the estrous cycle was observed, with the thyroid volume during the follicular phase significantly smaller (P < 0.05) than that of the luteal phase, and is possibly related to the influence of female sex steroids. Thyroid volume variability during estrus should, therefore, be taken into account when examining the thyroid gland of female dolphins. 相似文献