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Dietary Combination of Fish Oil and Hemoglobin Hydrolysates Alters Serum and Liver Lipid Contents in Rat

Food and Nutrition Sciences 2013年第9期4卷 86-93页

作者： Kenji Fukunaga Noriko Yukawa ryota hosomi Toshimasa Nishiyama Munehiro Yoshida Department of Life Science and Biotechnology Faculty of Chemistry Materials and Bioengineering Kansai University Suita Japan Department of Life Science and Biotechnology Faculty of Chemistry Materials and Bioengineering Kansai University Suita Japan Department of Public Health Kansai Medical University Hirakata Japan. Division of Food Science and Nutrition Tottori College Kurayoshi Japan

Fish oil has been shown to have anti-inflammatory and anti-cancer effects, and to reduce serum triacylglycerol (TAG) levels by stimulating lipid oxidation and inhibiting lipogenesis in the liver. A small number of studies have demonstrated the synergistic effect of fish oil and other bioactive components. This study examined the effect of fish oil in combination with porcine hemoglobin (Hb) hydrolysates on serum and liver lipid contents in rats. Male Wistar rats were divided into four groups;one group was fed a casein and soybean oil-based semi-purified basal diet and other three groups were fed the basal diet supplemented with 2% fish oil, 0.175% Hb hydrolysates, and 2% fish oil plus 0.175% Hb hydrolysates, respectively, for 4 weeks. The fish oil diet decreased serum and liver TAG contents but did not change serum and liver cholesterol levels. The dietary combination of fish oil and Hb hydrolysates decreased serum and liver TAG and cholesterol contents owing to the additive effect of both compounds, and this diet reduced the serum non-high-density lipoprotein cholesterol content as a result of a synergistic effect. This hypolipidemic effect was in part caused by enhanced excretion of fecal fatty acids, neutral steroids, and acidic steroids. The results of this study suggest that the combined intake of fish oil and Hb hydrolysates may play beneficial roles in the prevention of cardiovascular disease as compared with fish oil alone.

关键词： Fish Oil n-3 Polyunsaturated Fatty Acid Hemoglobin Hydrolysates Lipid Metabolism

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Phosphorus Balance in Rats with Hypophosphatemia Induced by Lanthanum Carbonate

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Food and Nutrition Sciences 2012年第3期3卷 405-410页

作者： Munehiro Yoshida ryota hosomi Mai Kunimatsu Mikiko Nakamura Kenji Fukunaga Seiji Kanda Toshimasa Nishiyama 1Laboratory of Food and Nutritional Sciences Faculty of Chemistry Materials and Bioengineering Kansai University Suita Japan 2Organization for Research and Development of Innovative Science and Technology Kansai University Suita Japan Department of Public Health Kansai Medical University Moriguchi Japan. Laboratory of Food and Nutritional Sciences Faculty of Chemistry Materials and Bioengineering Kansai University Suita Japan

To examine whether lanthanum carbonate can induce a low phosphorus status in experimental animals, we examined phosphorus balance in rats administered lanthanum carbonate. Male 8-week-old Wistar rats were fed a basal case-in-based semi-purified diet or the basal diet supplemented with 0.45% or 0.90% lanthanum as lanthanum carbonate for 4 weeks. Lanthanum administration did not influence body or several organ weights and liver function. In rats administered lanthanum, a very small quantity of lanthanum was detected in several organs although the apparent absorption was almost zero. The highest lanthanum concentration was observed in the liver followed by the femur and kidney. Lanthanum was not clearly detected in the brain. Differences in organ lanthanum between 0.45% and 0.90% administration groups were not significant;lanthanum accumulation in the body is very low and may reach a plateau in a certain range of intake. Serum phosphorus was decreased and fecal phosphorus was increased by lanthanum administration dose-dependently. Urinary phosphorus excretion was significantly decreased by lanthanum. Since urinary phosphorus of rats fed 0.45% lanthanum diet decreased to near zero, the highest phosphorus balance was observed in rats fed 0.45% lanthanum diet. This high balance is considered to be adaptation to the low phosphorus status induced by lanthanum carbonate. These results indicate that lanthanum carbonate can induce hypophosphatemia without any direct side effects and be used to examine the effect of removing phosphorus from the diet in animal nutritional studies.

关键词： Phosphorus Lanthanum Balance Test Semi-Purified Diet Hypophosphatemia

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Exploring the effect of cooling rate on non-isothermal crystallization of copolymer polypropylene by fast scanning calorimetry

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China Foundry 2024年第4期21卷 379-386页

作者： Yang Liao Ye-yuan Hu Kosuke Ikeda Ryoji Okabe Rui-fen Wu ryota Ozaki Qing-yan Xu Key Laboratory for Advanced Materials Processing Technology School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Composite Laboratory Research&Innovation Center Mitsubishi Heavy Industries Ltd.Nagasaki 8510392Japan

Polypropylene is commonly used as a binder for ceramic injection molding,and rapid cooling is often encountered during ***,the crystallization behavior of polypropylene shows a strong dependence on cooling rate due to its semi-crystalline ***,the influence of cooling rate on the quality of final product cannot be *** this study,the fast differential scanning calorimetry(FSC)test was performed to study the influence of cooling rate on the non-isothermal crystallization behavior and non-isothermal crystallization kinetics of a copolymer polypropylene(PP BC03B).The results show that the crystallization temperatures and crystallinity decrease as the cooling rate *** addition,two exothermic peaks occur when cooling rate ranges from 30 to 300 K·s^(-1),indicating the formation of another crystal ***,Ozawa and Mo equations were used to explore the non-isothermal crystallization kinetics,and it can be concluded that the Mo method is suitable for this study.

关键词： cooling rate crystallization temperature crystallinity non-isothermal crystallization kinetics FSC copolymer polypropylene

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Simple procedure for assessing diffuse subarachnoid hemorrhage successfully created using filament perforation method in mice

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Animal Models and Experimental Medicine 2024年第1期7卷 77-81页

作者： Tatsushi Mutoh ryota Tochinai Hiroaki Aono Masayoshi Kuwahara Yasuyuki Taki Tatsuya Ishikawa Department of Surgical Neurology Research Institute for Brain and Blood VesselsAkita Cerebrospinal and Cardiovascular CenterAkitaJapan Department of Aging Research and Geriatric Medicine Institute of DevelopmentAging and CancerTohoku UniversitySendaiJapan Department of Veterinary Pathophysiology and Animal Health Graduate School of Agriculture and Life SciencesThe University of TokyoTokyoJapan

The murine model of subarachnoid hemorrhage(SAH)is a valuable experimental tool for investigating molecular and cellular mechanisms,and the endovascular filament perforation technique can be used to simulate prominent pathophysiological features observed after human SAH;however,current validation methods for assessing an appropriate SAH model are ***,we introduce a simple procedure for se-lecting a mouse model of diffuse *** was induced in 24 mice using a standard filament perforation *** confirming survival at 24 h,SAH was scored 0-1 based on T2*-weighted images on whole-brain magnetic resonance imaging(MRI)and visual surveillance of the cisterna magna(CM)through the dura *** CM-based SAH grading correlated well with a reference parameter defined by extracted brain(r^(2)=0.53,p<0.0001).The receiver operating characteristic curve revealed a sensi-tivity of 85%and a specificity of 91%for detecting diffuse SAH,with a similar area under the curve(0.89±0.06[standard error of the mean])as the MRI-based grading(0.72±0.10,p=0.12).Our data suggest that confirming an SAH clot in the CM is a valuable way to select a clinically relevant diffuse SAH model that can be used in future experimental studies.

关键词： cisterna magna clot distribution filament perforation mouse model subarachnoid hemorrhage

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DPY19L3 promotes vasculogenicmimicry by its C-mannosyltransferase activity

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Oncology Research 2024年第4期32卷 607-614页

作者： HASSAN BAYDOUN YUJI KATO HIROKI KAMO ANNA HÜSCH HAYATO MIZUTA ryota KAWAHARA SIRO SIMIZU Department of Applied Chemistry Faculty of Science and TechnologyKeio UniversityYokohama223-8522Japan Department of Pharmacy and Biochemistry Faculty of ScienceUniversity of TübingenTübingen72074Germany

C-mannosylation is a post-translational modification that occurs intracellularly in the endoplasmic *** humans,biosynthesis of C-mannosylation in proteins containing thrombospondin type 1 repeat is catalyzed by the DPY19 family;nonetheless,biological functions of protein C-mannosylation are not yet fully understood,especially in tumor *** mimicry(VM)is the formation of fluid-conducting channels by highly invasive and genetically deregulated tumor cells,enabling the tumors to form matrix-embedded vasculogenic structures,containing plasma and blood cells to meet the metabolic demands of rapidly growing *** this study,we focused on DPY19L3,a C-mannosyltransferase,and aimed to unravel its role in *** of DPY19L3 inhibited the formation of VM in HT1080 human fibrosarcoma ***-expression of wild-type DPY19L3 recovered VM formation;however,DPY19L3 isoform2,an enzymatic activity-defect mutant,did not restore it,suggesting that the C-mannosyltransferase activity of DPY19L3 is crucial to its ***,the knockdown of DPY19L3 in MDA-MB-231 breast cancer cells hindered its network formation ***,our findings suggest that DPY19L3 is required for VM formation and stipulate the relevance of C-mannosylation in oncogenesis.

关键词： C-mannosylation Vasculogenic mimicry DPY19L3

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Generation of brain vascular heterogeneity:recent advances from the perspective of angiogenesis

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Neural Regeneration Research 2025年第7期20卷 2013-2014页

作者： Nathanael J.Lee ryota L.Matsuoka Department of Neurosciences Lerner Research InstituteCleveland ClinicClevelandOHUSA Department of Molecular Medicine Cleveland Clinic Lerner College of MedicineCase Western Reserve UniversityClevelandOHUSA

Heterogeneous proper t i es of vascular endothelial cells in the brain:The brain displays large energy dynamics and consumption,and this high level of metabolic demands is fulfilled by a continuous supply of glucose and oxygen through its vascular *** vasculature consists of highly divergent blood vessel branches,giving rise to a dense network of capillaries that supply blood to all cells across the *** elaborated vascular network is thought to develop via angiogenesis,a process in which new blood vessels grow from pre-existing *** capillaries exhibit organotypic features distinct from other tissues and are formed primarily by two major endothelial cell(EC)types:those that form the semi-permeable blood-brain barrier(BBB)and those that develop highly permeable pores known as fenestrae(Matsuoka et al.,2022).The structural and functional differences between BBB and fenestrated vascular ECs represent a fundamental feature of brain vasculature and form the foundation for both brain function and homeostasis.

关键词： angiogenesis homeostasis network

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No-touch isolation technique in emergency pancreaticoduodenectomy for neoplastic hemorrhage: Two case reports and review of literature

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World Journal of Gastrointestinal Surgery 2024年第6期16卷 1910-1917页

作者： Akihiro Cho Satoshi Katagiri Masao Ota Shunsuke Onizawa ryota Higuchi Toshiya Sugishita Yukiko Niwa Takeshi Ishita Toshihiko Mouri Akita Kato Moe Iwata Division of Gastroenterological Surgery Tokyo Women’s Medical UniversityYachiyo Medical CenterChiba 276-8524Japan

BACKGROUND Emergency pancreaticoduodenectomy(EPD)is a rare event for complex periam-pullary *** intraoperative blood loss is correlated with poor post-operative *** SUMMARY Two patients underwent EPD using a no-touch isolation technique,in which all arteries supplying the pancreatic head region were ligated and divided before manipulation of the pancreatic head and *** operative times were 220 and 239 min,and the blood loss was 70 and 270 g,*** patients were discharged on the 14^(th) and 10^(th) postoperative day,***-two patients underwent EPD for the treatment of neoplastic *** mean operative time was 361.6 min,and the mean blood loss was 747.3 *** comp-lication rate was 37.5%.The in-hospital mortality rate was 9.38%.CONCLUSION The no-touch isolation technique is feasible,safe,and effective for reducing intraoperative blood loss in EPD.

关键词： No-touch isolation technique Pancreaticoduodenectomy Emergency pancre-aticoduodenectomy Neoplastic bleeding Superior mesenteric artery first approach Case report

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Enhancing clinical proficiency through laparoscopic training using Japanese origami

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Laparoscopic, Endoscopic and Robotic Surgery 2024年第3期7卷 102-106页

作者： Shunsuke Furukawa Masatsugu Hiraki Naoya Kimura ryota Sakurai Ryo Kohata Naohiko Kohya Masashi Sakai Akashi Ikubo Ryuichiro Samejima Department of Surgery Japanese Red Cross Society Karatsu Red Cross HospitalSaga847-8588Japan Department of Surgery Saga University Faculty of MedicineSaga849-8501Japan

Objective This study aimed to investigate the clinical efficacy of laparoscopic training using origami,a traditional Japanese papercraft,using laparoscopic forceps to create origami *** In this retrospective study,4 surgeons were randomly divided into 2 groups:The training group,consisting of surgeons 1 and 2,and the non-training group,consisting of surgeons 3 and *** the course of a one-year study period,the training group regularly underwent laparoscopic surgery training with a dry box,wherein they folded a total of 1000 origami cranes using laparoscopic *** non-training group periodically underwent common laparoscopic surgery training of techniques such as suturing and *** surgeon regularly performed the transabdominal preperitoneal approach for inguinal *** training was conducted concurrently with the *** procedure time(peritoneum detachment,mesh placement,and closure of the peritoneum),total operation time(time from peritoneum detachment to closure of the peritoneum),and surgical outcomes were *** The training group showed greater improvement in the total operation time and more stable performance than the non-training ***,the time taken for peritoneum detachment was significantly shorter in the training *** Laparoscopic training using origami has the potential to enhance laparoscopic surgical skills and improve surgical outcomes.

关键词： Laparoscopic surgery Training Dry box Origami

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Degradation mechanism of tin phosphide as Na-ion battery negative electrode

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Green Energy & Environment 2019年第2期4卷 121-126页

作者： Hiroyuki Usui Yasuhiro Domi ryota Yamagami Hiroki Sakaguchi Department of Chemistry and Biotechnology Graduate School of Engineering Tottori University Center for Research on Green Sustainable Chemistry Tottori University Course of Chemistry and Biotechnology Department of Engineering Graduate School of Sustainability Science Tottori University

The degradation mechanism of an Sn_4P_3 electrode as Na-ion battery anode was investigated by using a transmission electron microscopic observation. At the first desodiation, we confirmed that Sn nanoparticles with 6 nm in size were dispersed in an amorphous-like P *** to this, we observed aggregated Sn particles with sizes exceeding 50 nm after the drastic capacity fading. The capacity fading mechanism was for the first time confirmed to be Sn aggregation. To improve the capacity decay, we carried out the two kinds of chargeàdischarge cycling tests under the reduced volume changes of Sn particles and P matrix by limiting desodiation reactions of Nae Sn and Na3P, respectively. The Sn_4P_3 electrode exhibited an excellent cyclability with the discharge capacity of 500 mA hg^(-1) for 420 cycles under the limited desodiation, whereas the capacity decay was accelerated under the limited sodiation. The results suggest that the Sn aggregation can be improved by the reduced volume change of the P matrix, and that it is very effective for improving anode performance of Sn_4P_3 electrode.

关键词： Tin phosphide(Sn4P3) Ionic liquid electrolyte Na-ion battery Negative electrode material Nanostructure

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Trade-off evaluation using carbon dioxide equivalent and hazard index of a paddy soil with application of organic liquid fertilizer

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Pedosphere 2022年第6期32卷 928-932页

作者： Shohei RIYA Ryo IMANO Jining LI Huifeng SUN Sheng ZHOU Masaaki hosomi Department of Chemical Engineering Faculty of EngineeringTokyo University of Agriculture and Technology2-24-16 Naka-ChoKoganeiTokyo 184-8588(Japan) School of Environment Nanjing Normal UniversityNanjing 210023(China) Eco-Environmental Protection Research Institute Shanghai Academy of Agricultural SciencesShanghai 201403(China)

Dear Editor,Rice is an important staple food crop in Asia,but the anaerobic soil conditions in rice fields cause emission of the potent greenhouse gas,methane(CH)(Le Mer and Roger,2001),and promote the accumulation of arsenic(As)in the grain(Le Mer and Roger,2001;Khanam et al.,2020).To facilitate sustainable agriculture,using wastewater as an organic fertilizer is essential for reducing wastewater treatment-associated energy consumption and the recycling of wastewater nutrients(Zou et al.,2009).

关键词： wastewater soil dioxide

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