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Dynamic ultrasonography for optimizing treatment position in superior mesenteric artery syndrome:Two case reports and review of literature

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World Journal of Gastroenterology 2024年第5期30卷 499-508页

作者： Nobuaki Hasegawa akihiko Oka Muyiwa Awoniyi Yuri Yoshida Hiroshi Tobita Norihisa Ishimura Shunji Ishihara Department of Internal Medicine II Shimane University Faculty of MedicineIzumo 693-8501ShimaneJapan Department of Gastroenterology Hepatology and NutritionDigestive Disease and Surgery InstituteHepatology SectionCleveland ClinicClevelandOH 44195United States Clinical Laboratory Division Shimane University HospitalIzumo 693-8501ShimaneJapan Division of Hepatology Shimane University HospitalIzumo 693-8501Japan

BACKGROUND Superior mesenteric artery(SMA)syndrome is a rare cause of duodenal obstruction by extrinsic compression between the SMA and the aorta(SMA-Ao).Although the left lateral recumbent position is considered effective in the treatment of SMA syndrome,individual variations in the optimal patient position have been *** this report,we present two elderly cases of SMA syndrome that exhibited rapid recovery due to ultrasonographic dynamic evaluation of the optimal position for each *** SUMMARY Case 1:A 90-year-old man with nausea and *** diagnosis of SMA syndrome by computed tomography(CT),ultrasonography(US)revealed the SMA-Ao distance in the supine position(4 mm),which slightly improved in the lateral position(5.7–7.0 mm)without the passage of duodenal ***,in the sitting position,the SMA-Ao distance was increased to 15 mm accompanied by improved content ***,US indicated enhanced passage upon abdominal massage on the right *** day 2,the patient could eat comfortably with the optimal position and *** 2:An 87-year-old woman with *** the diagnosis of SMA syndrome and aspiration pneumonia by CT,dynamic US confirmed the optimal position(SMA-Ao distance was improved to 7 mm in forward-bent position,whereas it remained at 5 mm in the supine position).By day 7 when her pneumonia recovered,she could eat with the optimal *** The optimal position for SMA syndrome varies among *** US appears to be a valuable tool in improving patient outcomes.

关键词： Superior mesenteric artery syndrome Wilkie’s syndrome Cast syndrome Aorto-mesenteric compass syndrome Ultrasonography Case report

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The relationship between income inequality and obesity in all 47 prefectures of Japan: Ecological study

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Open Journal of Epidemiology 2013年第1期3卷 1-3页

作者： akihiko katayama Nobuyuki Miyatake Kanae Oda Takeshi Saito Shoko Murakami Noriko Sakano Department of Hygiene Faculty of Medicine Kagawa University Miki Kagawa Japan

The link between income inequality and obesity inJapanwas evaluated. Income inequality of all 47 prefectures of Japan as expressed by Gini coefficient was obtained from National Statistics Center, Japan. The rate of obesity (%) was also obtained from National NutritionSurvey,Japan. The effect of income inequality on obesity was evaluated by ecological study. Income inequality as expressed by Gini coefficient was 0.31 ± 0.01 and the rate of obesity was 31.6% ± 5.6%. Gini coefficient was significantly and positively correlated with the rate of obesity (r = 0.490, p = 0.0005). Income inequality was might be associated with the rate of obesity inJapan.

关键词： Income Inequality Gini Coefficient Obesity Ecological Study Japan

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Activation of cerebral Ras-related C3 botulinum toxin substrate(Rac) 1 promotes post-ischemic stroke functional recovery in aged mice

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Neural Regeneration Research 2024年第4期19卷 881-886页

作者： Fan Bu Jia-Wei Min Md Abdur Razzaque Ahmad El Hamamy Anthony Patrizz Li Qi akihiko Urayama Jun Li Department of Neurology University of Texas Health Science Center Department of Neurology&Psychology The Fourth Clinical Medical College of Guangzhou University of Chinese Medicine

Brain functional impairment after stroke is common;however,the molecular mechanisms of post-stroke recovery remain *** is well-recognized that age is the most important independent predictor of poor outcomes after stroke as older patients show poorer functional outcomes following *** evidence suggests that axonal regeneration and angiogenesis,the major forms of brain plasticity responsible for post-stroke recovery,diminished with advanced *** studies suggest that Ras-related C3 botulinum toxin substrate(Rac)1 enhances stroke recovery as activation of Rac1 improved behavior recovery in a young mice stroke ***,we investigated the role of Rac1 signaling in long-term functional recovery and brain plasticity in an aged(male,18 to 22 months old C57BL/6J)brain after ischemic *** found that as mice aged,Rac1 expression declined in the *** overexpression of Rac1,using lentivirus encoding Rac1 injected day 1 after ischemic stroke,promoted cognitive(assessed using novel object recognition test)and sensorimotor(assessed using adhesive removal tests)recovery on days 14–*** was accompanied by the increase of neurite and proliferative endothelial cells in the periinfarct zone assessed by *** a reverse approach,pharmacological inhibition of Rac1 by intraperitoneal injection of Rac1 inhibitor NSC23766 for 14 successive days after ischemic stroke worsened the outcome with the reduction of neurite and proliferative endothelial ***,Rac1 inhibition reduced the activation of p21-activated kinase 1,the protein level of brain-derived neurotrophic factor,and increased the protein level of glial fibrillary acidic protein in the ischemic brain on day 28 after *** work provided insight into the mechanisms behind the diminished plasticity after cerebral ischemia in aged brains and identified Rac1 as a potential therapeutic target for improving functional recovery in the older adults after stroke.

关键词： aging angiogenesis brain-derived neurotrophic factor(BDNF) cerebral ischemia cognitive recovery neurite Pak1 Rac1 sensorimotor recovery

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The effect of cigarette smoking on flexibility in Japanese

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Health 2012年第9期4卷 570-573页

作者： Kanae Oda Nobuyuki Miyatake Noriko Sakano Takeshi Saito akihiko katayama Kenji Nishii Takeyuki Numata Department of Hygiene Faculty of Medicine Kagawa University Kagawa Japan Okayama Health Foundation Hospital Okayama Japan Okayama Southern Institute of Health Okayama Health Foundation Okayama Japan

To investigate the link between cigarette smoking and flexibility in the Japanese population, we used data of 4234 men and 9169 women, aged 20-79 years, in this cross-sectional investigation study. Flexibility such as sit and reach were measured. In addition, habits of cigarette smoking and exercise were obtained by well-trained medical staff. The effect of cigarette smoking on flexibility was evaluated. A total of 1613 men (38.1%) and 995 women (10.9%) were having habits of cigarette smoking. Flexibility in men was decreased with aging and that in women increased with aging under 60’s. Flexibility in subjects with cigarette smoking was significantly lower than that in subjects without cigarette smoking even after adjusting for age and exercise habits in both sexes. Cigarette smoking might be modifiable factor of flexibility in the Japanese.

关键词： Cigarette Smoking Flexibility Exercise Habits

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Cellulosomal hemicellulases:Indispensable players for ensuring effective lignocellulose bioconversion

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Green Carbon 2024年第1期2卷 57-69页

作者： Min Xiao Ya-Jun Liu Edward A.Bayer akihiko Kosugi Qiu Cui Yingang Feng CAS Key Laboratory of Biofuels Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Provincial Key Laboratory of Synthetic Biology Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Engineering Laboratory of Single Cell Oil Qingdao Institute of Bioenergy and Bioprocess TechnologyChinese Academy of SciencesQingdao 266101China Shandong Energy Institute Qingdao 266101China Qingdao New Energy Shandong Laboratory Qingdao 266101China University of Chinese Academy of Sciences Beijing 100049China Department of Biomolecular Sciences The Weizmann Institute of ScienceRehovot 7610001Israel Department of Life Sciences and the National Institute for Biotechnology in the Negev Ben-Gurion University of the NegevBeer-Sheva 8499000Israel Biological Resources and Post-harvest Division Japan International Research Center for Agricultural Sciences(JIRCAS)1-1 OhwashiTsukubaIbaraki 305-8686Japan

The bioconversion of lignocellulose has attracted global attention,due to the significant potential of agricultural and forestry wastes as renewable zero-carbon resources and the urgent need for substituting fossil *** cellulosome system is a multi-enzyme complex produced by anaerobic bacteria,which comprises cellulases,hemicellulases,and associated enzymatic and non-enzymatic components that promote biomass *** enhance their efficiency in degrading recalcitrant lignocellulosic matrices,cellulosomes have been employed to construct biocatalysts for lignocellulose bioconversion,such as consolidated bioprocessing and consolidated ***,the second most abundant polysaccharides in plant cell walls,hold valuable application potential but can also induce inhibitory effects on cellulose hydrolysis,thus highlighting the indispensable roles of hemicellulases within the cellulosome *** review evaluated current research on cellulosomal hemicellulases,comparing their types,abundance,and regulation,primarily focusing on eight known cellulosome-producing species of different *** also reviewed their growth conditions,their hemicellulose-degrading capabilities,and the inhibitory effects of hemicellulose on cellulosome-based lignocellulose ***,we proposed strategies for targeted enhancement of hemicellulase in cellulosomes to improve lignocellulose bioconversion in future studies.

关键词： Cellulosome Lignocellulose Hemicellulase Saccharification Biocatalyst

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Current perspectives of viral

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World Journal of Gastroenterology 2024年第18期30卷 2402-2417页

作者： Daisuke Usuda Yuki Kaneoka Rikuo Ono Masashi Kato Yuto Sugawara Runa Shimizu Tomotari Inami Eri Nakajima Shiho Tsuge Riki Sakurai Kenji Kawai Shun Matsubara Risa Tanaka Makoto Suzuki Shintaro Shimozawa Yuta Hotchi Ippei Osugi Risa Katou Sakurako Ito Kentaro Mishima akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Tomohisa Nomura Manabu Sugita Department of Emergency and Critical Care Medicine Juntendo University Nerima HospitalNerima 177-8521TokyoJapan Department of Sports Medicine Faculty of MedicineJuntendo UniversityBunkyo 113-8421TokyoJapan

Viral hepatitis represents a major danger to public health,and is a globally leading cause of *** five liver-specific viruses:Hepatitis A virus,hepatitis B virus,hepatitis C virus,hepatitis D virus,and hepatitis E virus,each have their own unique epidemiology,structural biology,transmission,endemic patterns,risk of liver complications,and response to antiviral *** remain few options for treatment,in spite of the increasing prevalence of viral-hepatitiscaused liver ***,chronic viral hepatitis is a leading worldwide cause of both liver-related morbidity and mortality,even though effective treatments are available that could reduce or prevent most patients’*** 2016,the World Health Organization released its plan to eliminate viral hepatitis as a public health threat by the year 2030,along with a discussion of current gaps and prospects for both regional and global eradication of viral ***,treatment is sufficiently able to prevent the disease from reaching advanced ***,future therapies must be extremely safe,and should ideally limit the period of treatment necessary.A better understanding of pathogenesis will prove beneficial in the development of potential treatment strategies targeting infections by viral *** review aims to summarize the current state of knowledge on each type of viral hepatitis,together with major innovations.

关键词： Hepatitis A virus Hepatitis B virus Hepatitis C virus Hepatitis D virus Hepatitis E virus Current perspectives

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Effect of mechanical ball milling on the electrical and powder bed properties of gas-atomized Ti-48Al-2Cr-2Nb and elucidation of the smoke mechanism in the powder bed fusion electron b eam melting process

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Journal of Materials Science & Technology 2023年第6期137卷 36-55页

作者： Seungkyun Yim Kenta Aoyagi Keiji Yanagihara Huakang Bian akihiko Chiba Institute for Materials Research Tohoku University2-1-1 KatahiraSendaiMiyagi 980-8577Japan

Smoke is unexpected powder-splashing caused by electrostatic force and is one of the main problems hindering the process stability and applicability of the powder bed fusion electron beam(PBF-EB)*** this study,mechanical stimulation was suggested to suppress smoke of gas-atomized(GA)Ti-48Al-2Cr-2Nb powder using Al_(2)O_(3) and WC ball *** deformation mechanism of the GA powder depending on the ball milling media was discussed based on the developed particle morphology distribu-tion map and contact mechanics *** was revealed that the rapid decrement of flowability and packing density after WC ball milling owing to the formation of angular fragments by the brittle *** variation of surface and electrical properties by mechanical stimulation was investigated via XPS,TEM,and Impedance *** electrical resistivity of the ball-milled powders gradually decreased with increasing milling duration,despite the increased oxide film thickness,and the capacitive response disappeared in Al-60 and WC-30 via metal-insulator *** could be due to the accumulation of strain and defects on the oxide film via mechanical *** smoke mechanism of ball-milled powders was discussed based on the percolation *** the smoke experiment,smoke was more suppressed for WC-10 and WC-20 than that for Al-40 and Al-50,respectively,despite the longer charge dissipation *** could be due to the high probability of contact with conductive *** the Al-60 and WC-30 powders,smoke was further restricted by the formation of a percolation cluster with metal-like electrical *** believe that this study will contribute to a better understanding of the smoke mechanism and process optimization of the PBF-EB.

关键词： Metal-insulator transition Electron beam melting additive manufacturing Packing density Flowability Smoke mechanism Percolation theory

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Degradation of dibromophenols by UV irradiation

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Journal of Environmental Sciences 2014年第6期26卷 1284-1288页

作者： Keiko katayama-Hirayama Naoki Toda akihiko Tauchi Atsushi Fujioka Tetsuya Akitsu Hidehiro Kaneko Kimiaki Hirayama Interdisciplinary Graduate School of Medicine and Engineering University of Yamanashi 4-3-11 Takeda Kofu 400-8511 Japan Technology Development Division Toshiba Lighting and Technology Corporation Asahimachi 5-2-1 Imabari Ehime 794-8510 Japan

We examined the degradation of dibromophenols （DBPs）, i.e. 2,4-DBP, 2,6-DBP and 3,5-DBP by ultraviolet （UV） irradiation and estimated the relationship between degradability and molecular orbital properties of each dibromopbenol. The removal of DBPs under a UV lamp system was successfully performed in an aqueous solution. After 5 min of irradiation, the initial DBPs concentration of 20 mg/L was decreased to below 1 mg/L, and about 60% of bromide ion was released. A decrease in the concentration of dissolved organic carbon （DOC） suggested the mineralization of DBPs, The mineralization may occur after release of bromide ions because the decrease of DOC was slower than the release of bromide ions. The degradability of 3,5-DBP was slightly lower than 2,6-DBP and 2,4-DBE Molecular orbital calculation suggested that the electrophilic frontier density and the highest occupied molecular orbital （HOMO） energy may be related to the degradability of DBPs.

关键词： bromide ion dibromophenol DOC mineralization UV irration

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Detecting Vicious Cycles in Urban Problem Knowledge Graph using Inference Rules

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Data Intelligence 2022年第1期4卷 88-111页

作者： Shusaku Egami Takahiro Kawamura Kouji Kozaki akihiko Ohsuga National Institute of Advanced Industrial Science and Technology(AIST) Tokyo 135-0064Japan Graduate School of Informatics and Engineering The University of Electro-CommunicationsTokyo 182-8585Japan National Agriculture and Food Research Organization Ibaraki 305-8517Japan Faculty of Information and Communication Engineering Osaka Electro-Communication UniversityOsaka 572-8530Japan

Urban areas have many problems,including homelessness,graffiti,and *** problems are influenced by various factors and are linked to each other;thus,an understanding of the problem structure is required in order to detect and solve the root problems that generate vicious ***,before implementing action plans to solve these problems,local governments need to estimate cost-effectiveness when the plans are carried ***,this paper proposed constructing an urban problem knowledge graph that would include urban problems’causality and the related cost information in budget *** addition,this paper proposed a method for detecting vicious cycles of urban problems using SPARQL queries with inference rules from the knowledge ***,several root problems that led to vicious cycles were ***-problem experts evaluated the extracted causal relations.

关键词： Linked data Social problem Causality extraction Crowdsourcing Text mining Open city data Semantic inference SPARQL Semantic Web Rule Language(SWRL)

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Pancreaticoduodenectomy: how to handle a replaced right hepatic artery

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Hepatobiliary Surgery and Nutrition 2023年第2期12卷 280-283页

作者： Junichi Kaneko akihiko Ichida Yoshikuni Kawaguchi Kiyoshi Hasegawa Hepato-Biliary-Pancreatic Surgery Division Department of SurgeryGraduate School of MedicineThe University of TokyoTokyoJapan

Hepatobiliary pancreatic surgeons sometimes encounter an aberrant(or replaced)right hepatic artery(a-RHA,Hiatt types III-VI)during pancreaticoduodenectomy(PD).Arterial flow cutoff to the a-RHA may be associated with a biliary leak or stenosis at the choledocho-jejunostomy and liver ischemia,resulting in ischemic cholangitis,liver abscess,and sepsis(1).

关键词： Pancreaticoduodenectomy(PD) replaced right hepatic artery pancreatic ductal adenocarcinoma(PDAC)

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