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排序方式: 共有163条查询结果,搜索用时 46 毫秒
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Naomi MIKAWA Tomoko UTOH Noriyuki HORIE Akihiro OKAMURA Yoshiaki YAMADA Atsushi AKAZAWA Satoru TANAKA Katsumi TSUKAMOTO Ikuo HIRONO Takashi AOKI 《Fisheries Science》2004,70(6):960-970
ABSTRACT: Estrogen receptor (ER) cDNA was cloned from the liver of common Japanese conger Conger myriaster . Common Japanese conger ER cDNA contains 2543 nucleotides including an open reading frame that encodes 596 amino acids, with a molecular weight of 66.1 kDa. The deduced amino-acid sequence of the common Japanese conger ER shares 85% identity with that of eel Anguilla japonica ER-β, and 39–46% and 53–59% identity with the deduced sequences of ER-α and ER-β of other species, respectively. In a phylogenetic analysis, the common Japanese conger ER was found to cluster with the ER-β of other species. The common Japanese conger ER-β also has six domains (A–F), which are conserved in the nuclear receptor superfamily. The amino-acid sequences in the C and E domains were highly conserved between common Japanese conger ER-β and other ER. However, the other domains showed low homology. In the female common Japanese conger, ER-β mRNA was highly expressed in the liver and pituitary gland. The expression levels of the ER-β gene increased from the oil droplet stage to the primary yolk globule stage and were maintained until the migratory nucleus stage. 相似文献
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Shoma MIKAWA Shohei YAMAMOTO Md Shafiqul ISLAM Noriyuki KAJI Takahisa MURATA Risuke MIZUNO Hiroshi OZAKI Masatoshi HORI 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2015,77(10):1195-1199
Maropitant is a neurokinin 1 receptor (NK1R) antagonist that is clinically used as a new
anti-emetic drug for dogs. Substance P (SP) and its receptor NK1R are considered to
modulate gastrointestinal peristalsis. In addition, SP works as an inflammatory mediator
in gastrointestinal diseases. Aim of this study is to clarify the effects of maropitant on
intestinal motility and inflammation in mice. Ex vivo examination of
luminal pressure-induced intestinal motility of whole intestine revealed that maropitant
(0.1–10 µM) increased frequency of contraction, decreased amplitude of
contraction and totally inhibited motility index in a concentration-dependent manner. We
measured intestinal transit in vivo by measuring transportation of orally
administered luminal content labeled with phenol red. Our results demonstrated that
maropitant (10 mg/kg, SC) delayed intestinal transit. Geometric center value was
significantly decreased in maropitant-treated mice. Anti-inflammatory effects of
maropitant against leukocytes infiltration into the intestinal smooth muscle layer in
post-operative ileus (POI) model mice were measured by immunohistochemistry. In POI model
mice, a great number of CD68-positive macrophages or MPO-stained neutrophils infiltrated
into the inflamed muscle region of the intestine. However, in the maropitant treated mice,
the infiltration of leukocytes was not inhibited. The results indicated that maropitant
has ability to induce disorder of intestinal motility in mice, but has no
anti-inflammatory action in the mouse of a POI model. In conclusion, in mice, maropitant
induces disorder of intestinal motility in vivo. 相似文献
146.
Sakanaka S Tachibana Y Ishihara N Juneja LR 《Journal of agricultural and food chemistry》2005,53(2):464-468
The antioxidant activity of casein calcium peptides in several in vitro assay systems was investigated. Casein calcium peptides were prepared by the microbial enzymic hydrolysis of casein calcium. The main peak of the molecular mass distribution of the peptides was about 3 kDa. Casein calcium peptides showed strong antioxidant activity with the beta-carotene bleaching method, and they also showed scavenging activity against radicals such as superoxide radicals, 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, and hydroxyl radicals. Antioxidant activity was increased with an increasing peptide concentration. Casein calcium peptides also showed strong antioxidant activity against lipid oxidation in ground beef homogenates. These results suggest that casein calcium peptides are a suitable natural antioxidant that prevents the lipid oxidation of meat and related food ingredients. 相似文献
147.
The sterile insect technique is an environmentally friendly method to control and even eradicate agricultural and veterinary insect pests without using chemical pesticides in excess. However, the continuous production and release of sterile insects is economically costly and eradication programs using sterile insects have not always been successful owing to the incomplete mating ability of the sterile insects. Here we focus on the theory and empirical findings of interspecific negative mating interaction, known as reproductive interference, to develop a more cost‐effective and value‐added pest management program. We suggest that sterile insects can be used for simultaneous control of both wild‐type conspecifics and closely related pest species by taking advantage of the fact that, when species recognition abilities are incomplete, courtship and mating are often misdirected toward heterospecies. This new approach might help mitigate economic damage and human health crises caused by pest insects. © 2018 Society of Chemical Industry 相似文献
148.
Okamura Akihiro Yamada Yoshiaki Horie Noriyuki Mikawa Naomi Tsukamoto Katsumi 《Fisheries Science》2019,85(4):687-694
Fisheries Science - The efficiency of a new liquid-type diet for long-term rearing of Japanese eel larvae until metamorphosis was examined, as was the effect of diet viscosity on diet intake and on... 相似文献
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Mamoru SATOU Takuma SUGIURA Ryuki OHSAKI Noriyuki HONDA Seizo HORIUCHI Norihito YAMAUCHI 《Journal of General Plant Pathology》2002,68(1):49-51
A new race of spinach downy mildew caused by Peronospora effusa occurred in Fukui, Japan. The fungus was capable of affecting spinach cultivars resistant to races 1, 2, 3 and 4, but not
some other cultivars. Thus, the fungus had different pathogenicity from race 3 and race 4 of the pathogen and was considered
to be a new race of spinach downy mildew in Japan.
Received 26 April 2001/ Accepted in revised form 17 August 2001 相似文献