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排序方式: 共有69条查询结果,搜索用时 15 毫秒
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Munekazu NAKAICHI Toshie ISERI Hiro HORIKIRIZONO Yusuke SAKAI Harumichi ITOH Hiroshi SUNAHARA Kazuhito ITAMOTO Kenji TANI 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2020,82(11):1671
An 11-year-old male toy poodle with neurological symptoms was diagnosed with a macroscopic pituitary tumor, which produced adrenocorticotropic hormone. Radiation therapy with a linear accelerator was performed for the pituitary tumor, and resulted in good local tumor control. However, serum endogenous adrenocorticotropic hormone concentrations were uncontrollable even after the tumor disappeared. Abdominal computed tomography revealed splenic masses, and splenectomy was performed. Histopathological examination of the surgical specimen showed tumor cells with eosinophilic and finely granular cytoplasm suggestive of endocrine origin. Since these cells were positive for adrenocorticotropic hormone, the case was diagnosed as a pituitary carcinoma with distant metastasis. Necropsy revealed multiple metastases to the abdominal organs. This is the first case report describing canine pituitary carcinoma with distant metastasis. 相似文献
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Lipid peroxidation-derived hepatotoxic aldehydes, 4-hydroxy-2E-hexenal in smoked fish meat products 总被引:1,自引:0,他引:1
DEEPTHI MS MUNASINGHE KEN-ICHIRO ICHIMARU MIYO RYUNO NOBUHIKO UEKI TAKANAO MATSUI KAZUHIRO SUGAMOTO SATOSHI KAWAHARA TADASHI SAKAI 《Fisheries Science》2003,69(1):189-194
ABSTRACT: Contents of 4-hydroxy-2 E -hexenal (HHE), hepatotoxic aldehydes, in smoked fish meat products (smoked salmon and fish meat sausage) were analyzed. Large differences in these contents between the different samples were observed. Very low levels of HHE were detected in fish meat sausage samples. However, a high level of HHE was observed in one batch of smoked salmon. Changes of HHE contents in yellowtail meat containing cherry and sugi wood vinegar stored at 0°C were also analyzed for 7 days. Malonaldehyde (MA) was also analyzed in these samples as an index of the lipid peroxidation level. After 3 or 7 days of storage, HHE contents in both wood vinegar-added samples were significantly higher, but MA contents were significantly lower than those of the control. 相似文献
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Growth model for the endangered cyprinid fish Tribolodon nakamurai based on otolith analyses 总被引:4,自引:0,他引:4
CHIFUMI IMAI HARUMI SAKAI KAZUHIKO KATSURA WATARU HONTO YOUJI HIDA 《Fisheries Science》2002,68(4):843-848
A growth model for the endangered cyprinid fish Tribolodon nakamurai was derived following otolith analyses of 16 wild and 53 reared specimens. The asteriscus was the most appropriate to measure size among three otolith elements, and its height OH mm was used as size index of otolith. Standard length L cm was best back-calculated using the Gompertz model, L = 70.0·exp[–exp{−0.553 (OH – 2.73)}]. Translucent zones on the lapilli, analyzed from 5-year-old-reared fish, were regarded as winter slow-growing zones. The ages of 10 wild specimens of 37.0–48.1 cm standard length were calculated as 7–10 years by counting the translucent zones on the lapilli. Age t was best back-calculated using the allometry model, t = 1.33· OH 1.37 . The growth trajectory of T. nakamurai followed a slender S curve, three typical growth models, von Bertalanffy, Logistic and Gompertz, and Richards' model, which is a general formula of the above three, being fitted using the maximum likelihood method. The Gompertz model, Lt = 60.2·exp[–exp{−0.258( t − 4.68)}], was found by Akaike's information criterion (AIC) to be the statistically most acceptable growth model. 相似文献
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Keisuke IMOTO Yuho SAKAI Muneyoshi OKADA Kosuke OTANI Hideyuki YAMAWAKI 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2021,83(6):997
Changes in electrophysiological properties, such as ion channel expression and activity, are closely related to arrhythmogenesis during heart failure (HF). However, a causative factor for the electrical remodeling in HF has not been determined. Periostin (POSTN), a matricellular protein, is increased in heart tissues of patients with HF. In the present study, we investigated whether a single injection of POSTN affects the electrophysiological properties in rat ventricles. After male Wistar rats were intravenously injected with recombinant rat POSTN (64 µg/kg, 24 hr), electrocardiogram (ECG) was recorded. Whole-cell patch clamp was performed to measure action potential (AP) and Na+ current (INa) in isolated ventricular myocytes. Protein expression of cardiac voltage-gated Na+ channel (NaV1.5) in isolated ventricles was examined by Western blotting. In ECG, POSTN-injection significantly increased RS height. POSTN-injection significantly delayed time to peak in AP and decreased INa in the isolated ventricular myocytes. POSTN-injection decreased NaV1.5 expression in the isolated ventricles. It was confirmed that POSTN (1 µg/ml, 24 hr) decreased INa and NaV1.5 protein expression in neonatal rat ventricular myocytes. This study for the first time demonstrated that a single injection of POSTN in rats decreased INa by suppressing NaV1.5 expression in the ventricular myocytes, which was accompanied by a prolongation of time to peak in AP and an increase of RS height in ECG. 相似文献
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Takashi OKU Kotaro SATO Masaki KURAO Shohei MATSUURA Yasufumi SAKAI Takao TSUCHIYA 《Journal of General Plant Pathology》2000,66(4):332-334
The pathogenic race of 59 cultures of Xanthomonas oryzae pv. oryzae, a pathogen of bacterial leaf blight of rice, isolated from six locations in the inland mountainous area of Hiroshima Prefecture
in 1999, were determined by a set of traditional differentials. Four races—I, II, V and VII—were found across the area; however,
we noticed the composition of the races as well as the dominant race in each location different. All races were avirulent
on differential cultivar Te-tep. Races V and VII were new to Hiroshima. The rice cultivars infected with bacterial leaf blight
in Hiroshima are thought to be grouped into the Kinmaze group, which does not have any resistance genes. Apparently, a variety
of races occurred unexpectedly on the cultivars contrary to stabilizing selection theory.
Received 25 February 2000/ Accepted in revised form 13 July 2000 相似文献