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Continuous Gum Chewing Exercise Improves Perioral Muscle Strength

Health 2024年第8期16卷 750-762页

作者： Mutsumi takahashi Yogetsu Bando Takuya Fukui Department of Physiology The Nippon Dental University School of Life Dentistry at Niigata Niigata Japan Bando Dental Clinic Ishikawa Japan Department of Sport Science Kanazawa Gakuin University of Sport Science Ishikawa Japan Japan Gymnastics Association Trampoline Committee Tokyo Japan

Objective: The purpose of this study was to examine the effects of continuous gum chewing exercise on perioral muscle strength. Methods: Thirty healthy adults (24.1 ± 2.0 years) with normal occlusion performed gum chewing exercise 3 times daily for 3 months. Each exercise session lasted 5 min and involved alternating of chewing 10 times using the left molars and then 10 times using the right molars, with the mouth closed. The effect of the exercise on oral function was evaluated by measuring tongue pressure (TP), cheek pressure (CP), and labial closure strength (LCS) immediately before starting exercise, at 2 weeks and 1, 2, and 3 months after starting exercise, and at 3 months after cessation of exercise. Changes in TP, CP, and LCS according to sex and duration of exercise were analyzed by repeated two-way ANOVA. Results: Measurements for all muscles were significantly greater in men than in women at all time points. After starting exercise, TP was markedly increased at 2 months in men and women, and both CP and LCS were markedly increased at 2 weeks in men and at 1 month in women. These effects persisted for 3 months. Three months after cessation of exercise, TP, CP, and LCS tended to decrease, but were not significantly attenuated as compared with 3 months after beginning of exercise in either sex. Conclusion: The results of this study revealed that gum chewing exercise contributed to an improvement in perioral muscle strength, and that this effect was maintained for at least 3 months after discontinuation of exercise.

关键词： Oral Function Gum Chewing Exercise Tongue Pressure Cheek Pressure Labial Closure Strength

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Transmembrane serine protease 4 expression in the prognosis of radical resection for biliary tract cancer

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World Journal of Gastrointestinal Surgery 2024年第8期16卷 2555-2564页

作者： Yoshiyuki Shibata Takeshi Sudo Sho Tazuma Naoki Tanimine Takashi Onoe Yosuke Shimizu Atsushi Yamaguchi Kazuya Kuraoka Shinya takahashi Hirotaka Tashiro Department of Surgery National Hospital Organization Kure Medical Center and Chugoku Cancer CenterHiroshima 737-0023Japan Department of Gastroenterology National Hospital Organization Kure Medical Center and Chugoku Cancer CenterHiroshima 737-0023Japan Department of Diagnostic Pathology National Hospital Organization Kure Medical Centerand Chugoku Cancer CenterHiroshima 737-0023Japan Department of Surgery Graduate School of Biochemical and Health ScienceHiroshima UniversityHiroshima 734-8551Japan

BACKGROUND Recent advancements in biliary tract cancer(BTC)treatment have expanded beyond surgery to include adjuvant therapy,yet the prognosis remains *** prognostic biomarkers could enhance the assessment of patients who have undergone radical resection for *** To determine transmembrane serine protease 4(TMPRSS4)utility as a prognostic biomarker of radical resection for *** Medical records of patients who underwent radical resection for BTC,excluding intrahepatic cholangiocarcinoma,were retrospectively *** associations between TMPRSS4 expression and clinicopathological factors,overall survival,and recurrence-free survival were *** Among the 85 patients undergoing radical resection for BTC,46(54%)were *** TMPRSS4-positive group exhibited significantly higher preoperative carbohydrate antigen 19-9(CA19-9)values and greater lymphatic invasion than the TMPRSS4-negative group(P=0.019 and 0.039,respectively).Postoperative overall survival and recurrence-free survival were significantly worse in the TMPRSS4-positive group(median survival time:25.3 months vs not reached,P<0.001;median survival time:28.7 months vs not reached,P=0.043,respectively).Multivariate overall survival analysis indicated TMPRSS4 positivity,pT3/T4,and resection status R1 were independently associated with poor prognosis(P=0.032,0.035 and 0.030,respectively).TMPRSS4 positivity correlated with preoperative CA19-9 values≥37 U/mL and pathological tumor size≥30 mm(P=0.016 and 0.038,respectively).CONCLUSION TMPRSS4 is a potential prognostic biomarker of radical resection for BTC.

关键词： Biliary tract cancer Biomarker Prognosis Radical resection Transmembrane serine protease 4

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Using Cross Entropy as a Performance Metric for Quantifying Uncertainty in DNN Image Classifiers: An Application to Classification of Lung Cancer on CT Images

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Journal of Biomedical Science and Engineering 2024年第1期17卷 1-12页

作者： Eri Matsuyama Masayuki Nishiki Noriyuki takahashi Haruyuki Watanabe Faculty of Informatics University of Fukuchiyama Kyoto Japan Graduate School of Radiological Sciences International University of Health and Welfare Tochigi Japan School of Health Sciences Fukushima Medical University Fukushima Japan School of Radiological Technology Gunma Prefectural College of Health Sciences Gunma Japan

Cross entropy is a measure in machine learning and deep learning that assesses the difference between predicted and actual probability distributions. In this study, we propose cross entropy as a performance evaluation metric for image classifier models and apply it to the CT image classification of lung cancer. A convolutional neural network is employed as the deep neural network (DNN) image classifier, with the residual network (ResNet) 50 chosen as the DNN archi-tecture. The image data used comprise a lung CT image set. Two classification models are built from datasets with varying amounts of data, and lung cancer is categorized into four classes using 10-fold cross-validation. Furthermore, we employ t-distributed stochastic neighbor embedding to visually explain the data distribution after classification. Experimental results demonstrate that cross en-tropy is a highly useful metric for evaluating the reliability of image classifier models. It is noted that for a more comprehensive evaluation of model perfor-mance, combining with other evaluation metrics is considered essential. .

关键词： Cross Entropy Performance Metrics DNN Image Classifiers Lung Cancer Prediction Uncertainty

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Corroborative Activities and Recognition Between Community Comprehensive Care Unit’s Nurses and Care Managers in Supporting Discharge of Elderly from Hospital - A Secondary Publication

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Journal of Clinical and Nursing Research 2024年第4期8卷 381-392页

作者： Yukie Sakamoto Shizuko Omote Rie Okamoto Yutaro takahashi Satomi Ikeuchi Division of Health Sciences Graduate School of Medical SciencesKanazawa UniversityKanazawa 920-0934Japan Kanazawa City Community Comprehensive Support Center Tobiume Kanazawa 920-0938Japan Faculty of Health Sciences Institute of MedicalPharmaceutical and Health SciencesKanazawa UniversityKanazawa 920-1192Japan

Objective: The purpose of this study was to clarify the collaborative activities and mutual recognition between community comprehensive care unit nurses (Ns) and care managers (CM) in supporting the discharge of the elderly from the hospital. Methods: A total of 300 nurses working in community comprehensive care wards and 360 care managers working in B City in A Prefecture were surveyed using an anonymous self-administered questionnaire. Results: The highest percentage of responses regarding necessary collaborative activities with multiple professions in supporting hospital discharge were the same for Ns and CMs. The items regarding practice with the highest percentages were “relationship as a team” for Ns, and “user-centered awareness” for CM. While these professionals were willing to share information about their patients’ lives after discharge, the percentage of those explaining their expertise was low. It is thought that collaborative activities focusing on these aspects would lead to more appropriate discharge support.

关键词： Discharge support Community comprehensive care ward Ward nurses Care managers Collaborative activities

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Preoperative albumin-bilirubin score and liver resection percentage determine postoperative liver regeneration after partial hepatectomy

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World Journal of Gastroenterology 2024年第14期30卷 2006-2017页

作者： Kazuhiro takahashi Masahiko Gosho Yoshihiro Miyazaki Hiromitsu Nakahashi Osamu Shimomura Kinji Furuya Manami Doi Yohei Owada Koichi Ogawa Yusuke Ohara Yoshimasa Akashi Tsuyoshi Enomoto Shinji Hashimoto Tatsuya Oda Department of Gastrointestinal and Hepatobiliary-Pancreatic Surgery University of TsukubaTsukuba 3058-575IbarakiJapan Department of Biostatistics University of TsukubaTsukuba 3058-575IbarakiJapan

BACKGROUND The success of liver resection relies on the ability of the remnant liver to *** of the knowledge regarding the pathophysiological basis of liver regeneration comes from rodent studies,and data on humans are ***,there is limited knowledge about the preoperative factors that influence postoperative *** To quantify postoperative remnant liver volume by the latest volumetric software and investigate perioperative factors that affect posthepatectomy liver *** A total of 268 patients who received partial hepatectomy were *** were grouped into right hepatectomy/trisegmentectomy(RH/Tri),left hepa-tectomy(LH),segmentectomy(Seg),and subsegmentectomy/nonanatomical hepatectomy(Sub/Non)*** regeneration index(RI)and late rege-neration rate were defined as(postoperative liver volume)/[total functional liver volume(TFLV)]×100 and(RI at 6-months-RI at 3-months)/RI at 6-months,*** lower 25th percentile of RI and the higher 25th percentile of late regeneration rate in each group were defined as“low regeneration”and“delayed regeneration”.“Restoration to the original size”was defined as regeneration of the liver volume by more than 90%of the TFLV at 12 months *** The numbers of patients in the RH/Tri,LH,Seg,and Sub/Non groups were 41,53,99 and 75,*** RI plateaued at 3 months in the LH,Seg,and Sub/Non groups,whereas the RI increased until 12 months in the RH/Tri *** to our multivariate analysis,the preoperative albumin-bilirubin(ALBI)score was an independent factor for low regeneration at 3 months[odds ratio(OR)95%CI=2.80(1.17-6.69),P=0.02;per 1.0 up]and 12 months[OR=2.27(1.01-5.09),P=0.04;per 1.0 up].Multivariate analysis revealed that only liver resection percentage[OR=1.03(1.00-1.05),P=0.04]was associated with delayed ***,multivariate analysis demonstrated that the preoperative ALBI score[OR=2.63(1.00-1.05),P=0.02;per 1.

关键词： Liver regeneration Albumin-bilirubin score Liver resection percentage Partial hepatectomy Human Regeneration index

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Preliminary Investigation of Copper(II) Ion Binding or Complex Coordination in Lysozeme Molecules

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Journal of Materials Science and Chemical Engineering 2024年第4期12卷 98-103页

作者： Kou takahashi Ryotaro Miyazaki Daisuke Nakane Temitayo O. Aiyelabola Takashiro Akitsu Department of Chemistry Faculty of Science Tokyo University of Science Tokyo Japan Department of Chemistry Faculty of Science Obafemi Awolowo University Ile-Ife Nigeria

Hydrophobic Val derivative Schiff base copper(II) complexes and dipeptide (AlaAla, GlyGly) derivative Schiff base copper(II) complexes were introduced into egg white lysozyme. X-ray crystal structure analysis revealed amino acid derivative Schiff base copper(II) complexes were obtained. Herein we discuss primarily on the binding mode of copper(II) of the complexes obtained with egg white lysozyme. The electron density of copper(II) ions was confirmed by X-ray crystal structure analysis. The Val derivative Schiff base copper(II) complex was weakly bound at Arg114 of egg white lysozyme. In other copper(II) complexes, binding of copper(II) ions with dissociated ligands to various residues was observed. The binding sites of copper(II) ions were compared with computational scientific predictions.

关键词： Copper Schiff Base Lysozyme Metal-Protein Binding Computational Methods

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温室气体排放和银行贷款

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新金融 2024年第2期 11-15页

作者： Koji takahashi Junnosuke Shino 田振(翻译) 缪蛟(翻译) 国际清算银行(BIS)货币经济部早稻田大学国际通识教育学院不详

该文利用2006—2018年日本上市公司与银行的匹配数据,研究了公司温室气体(GHG)排放对银行贷款的影响。之前的研究结果表明,气候风险虽然对于公司债券、银团贷款定价具有显著影响,但经济意义不显著。该文从贷款金额的角度进一步考察了银... 详细信息

该文利用2006—2018年日本上市公司与银行的匹配数据,研究了公司温室气体(GHG)排放对银行贷款的影响。之前的研究结果表明,气候风险虽然对于公司债券、银团贷款定价具有显著影响,但经济意义不显著。该文从贷款金额的角度进一步考察了银行的贷款行为。研究发现,银行显著减少了对高排放公司的贷款。此外,银行对信贷风险较低的借款公司的温室气体排放更为敏感,即高温室气体排放意味着长期的高信贷风险。本刊编译此篇国际清算银行(BIS)的工作论文,以期为读者带来相关启发。

关键词：温室气体银行贷款杠杆贷款数据

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Effects of Bofutsushosan and Gardeniae Fructus on Diabetic Serum Parameters in Streptozotocin-Induced Diabetic Mice

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Chinese Medicine（中医） 2011年第4期

作者： Qing Yu Mai Yasuda tatsuo takahashi Masaaki Nomura Nobuyoshi Hagino Shinjiro Kobayashi

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Study of the Effect of Acetic Acid and Phosphate on Copper Corrosion by Immersion Tests

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Materials Sciences and Applications 2024年第1期15卷 15-23页

作者： Yuna Yamaguchi Kaho Sugiura Toyohiro Arima Fuka takahashi Itaru Ikeda Yutaka Yamada Osamu Sakurada Department of Chemistry and Biomolecular Science Faculty of Engineering Gifu University Gifu Japan Dai-Dan Co. Ltd. Saitama Japan Daiwa Techno Co. Ltd. Gifu Japan

It was reported that hemispheric corrosion occurred in copper tubes in an acetic acid environment. When hemispheric corrosion occurred, corrosion could easily progress if water then flowed into the copper pipe, and countermeasures were needed. Therefore, we studied the copper corrosion caused by acetic acid. The present work investigated the relationship between the corrosion form of copper and acetic acid concentration using phosphorous-deoxidized copper, and reported that hemispherical corrosion was observed at acetic acid concentrations of 0.01 to 1 vol.% (0.002 to 0.2 mol·L-1) in the immersion test. In this study, the effects of acetic acid and phosphate on copper corrosion were examined using oxygen-free copper in immersion tests. The results suggested that different concentrations of phosphate in acetic acid solutions and the presence or absence of acetic acid and phosphate affected the corrosion of copper, resulting in different corrosion forms and corrosion progress.

关键词： Acetic Acid Phosphate Oxygen-Free Copper Hemispherical Corrosion Ant-Nest Corrosion

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Caspase-11 mediated inflammasome activation in macrophages by systemic infection of *** exacerbates arthritis

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International Journal of Oral Science 2024年第03期 499-514页

作者： Tokuju Okano Hiroshi Ashida Noriko Komatsu Masayuki Tsukasaki Tamako Iida Marie Iwasawa Yuto takahashi Yasuo Takeuchi Takanori Iwata Miwa Sasai Masahiro Yamamoto Hiroshi Takayanagi Toshihiko Suzuki Department of Bacterial Pathogenesis Infection and Host Response Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Department of Immunology Graduate School of Medicine and Faculty of Medicine The University of Tokyo Department of Osteoimmunology Graduate School of Medicine and Faculty of Medicine The University of Tokyo Department of Lifetime Oral Health Care Science Graduate School of Medical and Dental SciencesTokyo Medical and Dental University Department of Periodontology Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Department of Immunoparasitology Research Institute for Microbial Diseases Osaka University

Clinical studies have shown that Aggregatibacter actinomycetemcomitans(A. actinomycetemcomitans) is associated with aggressive periodontitis and can potentially trigger or exacerbate rheumatoid arthritis(RA). However, the mechanism is poorly ***, we show that systemic infection with A. actinomycetemcomitans triggers the progression of arthritis in mice anti-collagen antibody-induced arthritis(CAIA) model following IL-1β secretion and cell infiltration in paws in a manner that is dependent on caspase-11-mediated inflammasome activation in macrophages. The administration of polymyxin B(PMB), chloroquine, and antiCD11b antibody suppressed inflammasome activation in macrophages and arthritis in mice, suggesting that the recognition of lipopolysaccharide(LPS) in the cytosol after bacterial degradation by lysosomes and invasion via CD11b are needed to trigger arthritis following inflammasome activation in macrophages. These data reveal that the inhibition of caspase-11-mediated inflammasome activation potentiates aggravation of RA induced by infection with A. actinomycetemcomitans. This work highlights how RA can be progressed by inflammasome activation as a result of periodontitis-associated bacterial infection and discusses the mechanism of inflammasome activation in response to infection with A. actinomycetemcomitans.

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