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Journal of Systems Science & Complexity 2010年第1期23卷 1-2页

作者： Yoshimasa Nakamura kyoto university

This special issue presents some new progress in mathematical methods for informatics, engineeringand management that is expected to trigger thought and deepen further research. Forthis purpose, 14 papers were selected mainly from the invited talks at the CAS-kyoto universityJoint Workshop on Mathematical Methods for Informatics, Engineering and Management,

关键词： Special Issue for some new progress made by AMSS and kyoto university on mathematical methods for informatics,engineering and management

Modulation of valosin-containing protein by kyoto university Substances(KUS) as a novel therapeutic strategy for ischemic neuronal diseases

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Neural Regeneration Research 2017年第8期12卷 1252-1255页

作者： Masayuki Hata Hanako Ohashi Ikeda Department of Ophthalmology and Visual Sciences Kyoto University Graduate School of Medicine Neuroprotective Treatment Project for Ocular Diseases Institute for Advancement of Clinical and Translational Science Kyoto University Hospital

Retinal ischemia causes several vision-threatening diseases, including diabetic retinopathy, retinal artery occlusion, and retinal vein occlusion. Intracellular adenosine triphosphate（ATP） depletion and subsequent induced endoplasmic reticulum（ER） stress are proposed to be the underlying mechanisms of ischemic retinal cell death. Recently, we found that a naphthalene derivative can inhibit ATPase activity of valosin-containing protein, universally expressed within various types of cells, including retinal neural cells, with strong cytoprotective activity. Based on the chemical structure, we developed novel valosin-containing protein modulators, kyoto university Substances（KUSs）, that not only inhibit intracellular ATP depletion, but also ameliorate ER stress. Suppressing ER stress by KUSs is associated with neural cell survival in animal models of several neurodegenerative diseases, such as glaucoma and retinal degeneration. Given that a major pathology of ischemic retinal diseases, other than intracellular ATP depletion, is ER stress-induced cell death, KUSs may provide a novel strategy for cell protection in ischemic conditions. Hence, we investigated the efficacy of KUS121 in a rat model of retinal ischemic injury. Intravitreal injections of KUS121, which is clinically preferable route of drug administration in retinal diseases, significantly suppressed inner retinal thinning and retinal cell death, and maintained visual functions. Valosin-containing protein modulation by KUS is a promising novel therapeutic strategy for ischemic retinal diseases.

关键词： adenosine triphosphatase C/EBP homologous protein central retinal artery occlusion endoplasmicreticulum stress neuroprotective therapy retinal ganglion cell

Recent evolution of living donor liver transplantation at kyoto university:How to achieve a one-year overall survival rate of 99%?

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Hepatobiliary & Pancreatic Diseases International 2020年第4期19卷 328-333页

作者： Toshimi Kaido Department of Gastroenterological and General Surgery St.Luke’s International University Hospital9-1 Akashi-choChuo-kuTokyo 104-8560Japan Division of Hepato-Biliary-Pancreatic and Transplant Surgery Department of SurgeryGraduate School of MedicineKyoto UniversityKyotoJapan

Previously,living donor liver transplantation was considered as a“high-risk,high-return”medical treatment due to the relatively high short-term *** is our task to change“high-risk,high-return”into a“low-risk,high-return”*** this review article,the recent evolutions in living donor liver transplantation for both donors and recipients at kyoto university such as portal vein pressure modulation,hybrid donor operation,and perioperative management considering sarcopenia,focusing on improvement of short-term outcomes are *** a paradigm of“marketing and innovation”,various innovations and efforts have been made over the last decade aiming at improving the short-term outcomes of both donors and *** doing so,excellent short-term results after living donor liver transplantation have been achieved,along with a potentially epoch-making discoveries.

关键词： Liver transplantation Living donor liver transplantation Sarcopenia Portal vein pressure

Introduction of the Project Research at kyoto university for Utilizing Methane Fermentation Digested Sludge as Liquid Fertilizer for Paddy

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Introduction of the Project Research at Kyoto University for...

Factors Impacting Participatory Post‑Disaster Relocation and Housing Reconstruction:The Case of Tsholotsho District,Zimbabwe

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作者： Mikio UMEDA Professor Dr. agri.Lab. Field Robotics Division of Environmental Science and Technology Graduate School of Agriculture Kyoto UniversitySakyoku Kyoto 606-8502 Japan

＜正＞ FOOD, ENERGY and ENVIRONMENT are keywords for sustainable world. For this purpose, utilizing biomass energy is important. In Japan, Comprehensive Initiative BIOMASS NIPPON cooperated with Ministry of Agriculture, Forest and Fishery, Ministry of Environment, Ministry of Economic and Industry, and Ministry of Land, Infrastructure and

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International Journal of Disaster Risk Science 2024年第1期15卷 58-72页

作者： Nombulelo Kitsepile Ngulube Hirokazu Tatano Subhajyoti Samaddar Department of Social Informatics Graduate School of InformaticsKyoto UniversityKyoto 606-8507Japan Disaster Prevention Research Institute(DPRI) Kyoto UniversityKyoto 611-0011Japan

Relocation is not typically considered the best planning option for post-disaster reconstruction and rehabilitation,but it may be necessary if the site has suffered severe damage or is at imminent *** is a growing recognition that strong community participation is necessary in the post-disaster relocation decision-making process since relocation can have detrimental effects on a community’s livelihood,cultural system,and way of life,among ***,the realization of this still needs to be *** of yet,few studies have examined a comprehensive account of meaningful community engagement in post-disaster relocation and reconstruction,particularly in developing *** study investigated what factors influenced local communities’ participation in post-disaster relocation and reconstruction works after the 2017Cyclone Dineo flood disaster in the Tsholotsho District of *** research methods such as face-to-face interviews,observations,and focus groups were used to collect qualitative data from a purposive sample of 25 community members and 6 *** empirical investigation showed that despite the fact that the relocation project was conceived as a community-centered project,there was no meaningful community engagement,due to the absence of a participatory framework or planning guidelines for stakeholder engagement,as well as the lack of political willingness among government *** study concluded that the lack of community involvement led to local communities abandoning the reconstruction sites because relocation projects failed to accommodate the cultural beliefs,place attachments,and livelihood concerns of local *** study suggested that it is imperative to enhance the awareness of government officials and other stakeholders about the importance of community participation for the effective implementation of post-disaster relocation *** community participation can also provide avenues fo

关键词： Community rehabilitation Housing reconstruction-Participatory relocation Zimbabwe

Joint input–output identiﬁcation of unstable systems with kernel regularization

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Control Theory and Technology 2024年第2期22卷 195-202页

作者： Yusuke Fujimoto Toshiharu Sugie Department of Environmental Engineering the University of Kitakyushu1-1HibikinoWakamatsu-kuKitakyushu 8080135FukuokaJapan Professor Emeritus Kyoto UniversityYoshida-HonmachiSakyo-kuKyoto 6068501KyotoJapan

This paper discusses closed-loop identiﬁcation of unstable *** particular,weﬁrst apply the joint input–output identiﬁcation method and then convert the identiﬁcation problem of unstable systems into that of stable systems,which can be tackled by using kernel-based regularization *** propose to identify two transfer functions by kernel regularization,the one from the reference signal to the input,and the one from the reference signal to the *** these transfer functions are stable,kernel regularization methods can construct their accurate *** the model of unstable system is constructed by ratio of these *** effectiveness of the proposed method is demonstrated by a numerical example and a practical experiment with a DC motor.

关键词： Closed-loop identification Kernel regularization Joint input-output identification

Stage at diagnosis of colorectal cancer through diagnostic route:Who should be screened?

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World Journal of Gastroenterology 2024年第10期30卷 1368-1376页

作者： Nobukazu Agatsuma Takahiro Utsumi Yoshitaka Nishikawa Takahiro Horimatsu Takeshi Seta Yukitaka Yamashita Yukari Tanaka Takahiro Inoue Yuki Nakanishi Takahiro Shimizu Mikako Ohno Akane Fukushima Takeo Nakayama Hiroshi Seno Department of Gastroenterology and Hepatology Kyoto University Graduate School of MedicineKyoto 606-8507Japan Department of Gastroenterology and Hepatology Japanese Red Cross Wakayama Medical CenterWakayama 640-8558Japan Department of Health Informatics Kyoto University School of Public HealthKyoto 606-8501Japan Institute for Advancement of Clinical and Translational Science(iACT) Kyoto University HospitalKyoto 606-8507Japan Medical Support Section Medical Affairs DivisionKyoto University HospitalKyoto 606-8507Japan

BACKGROUND Colorectal cancer(CRC)is a global health concern,with advanced-stage diagnoses contributing to poor *** efficacy of CRC screening has been well-established;nevertheless,a significant proportion of patients remain unscreened,with>70%of cases diagnosed outside *** identifying specific subgroups for whom CRC screening should be particularly recommended is crucial owing to limited resources,the association between the diagnostic routes and identification of these subgroups has been less *** the Japanese cancer registry,the diagnostic routes for groups discovered outside of screening are primarily categorized into those with comorbidities found during hospital visits and those with CRC-related *** To clarify the stage at CRC diagnosis based on diagnostic *** We conducted a retrospective observational study using a cancer registry of patients with CRC between January 2016 and December 2019 at two *** diagnostic routes were primarily classified into three groups:Cancer screening,follow-up,and *** early-stage was defined as Stages 0 or *** and univariate logistic regressions were exploited to determine the odds of early-stage diagnosis in the symptomatic and cancer screening groups,referencing the follow-up *** adjusted covariates were age,sex,and tumor *** Of the 2083 patients,715(34.4%),1064(51.1%),and 304(14.6%)belonged to the follow-up,symptomatic,and cancer screening groups,*** the 2083 patients,CRCs diagnosed at an early stage were 57.3%(410 of 715),23.9%(254 of 1064),and 59.5%(181 of 304)in the follow-up,symptomatic,and cancer screening groups,*** symptomatic group exhibited a lower likelihood of early-stage diagnosis than the follow-up group[P<0.001,adjusted odds ratio(aOR),0.23;95%confidence interval(95%CI):0.19-0.29].The likelihood of diagnosis at an early stage was similar between the follow-up and cancer screening gro

关键词： Colorectal neoplasms Cancer registry Diagnostic route Cancer screening Stage at diagnosis

Product Form Solution of a Queuing-Inventory System with Lost Sales and Server Vacation

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Journal of Systems Science & Complexity 2024年第2期37卷 729-758页

作者： YUE Dequan ZHANG Yuying XU Xiuli YUE Wuyi School of Science Yanshan UniversityQinhuangdao 066004China School of Economics and Management Yanshan UniversityQinhuangdao 066004China The kyoto College of Graduate Studies for Informatics Kyoto City 606-8225Japan

In this study,the authors consider an M/M/1 queuing system with attached inventory under an(s,S)control *** server takes multiple vacations whenever the inventory is *** is assumed that the lead time and the vacation time follow exponential *** authors formulate the model as a quasi-birth-and-dearth(QBD)process and derive the stability condition of the ***,the stationary distribution in product form for the joint process of the queue length,the inventory level,and the server’s status is ***,the conditional distributions of the inventory level when the server is on and operational,and when it is off due to a vacation,are *** the stationary distribution,the authors obtain some performance measures of the *** authors investigate analytically the effect of the server’s vacation on the performance ***,several numerical examples are presented to investigate the effects of some parameters on the performance measures,the optimal policy,and the optimal cost.

关键词： Cost function multiple vacations product form solution queuing-inventory system (s S)control policy

Abnormal expression of Tau in damaged oligodendrocytes of HLD1 mice

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Neural Regeneration Research 2024年第7期19卷 1405-1406页

作者： Tomohiro Torii Laboratory of Ion Channel Pathophysiology Graduate School of Brain ScienceDoshisha UniversityKyotanabe-shiKyotoJapan Center for Research in Neurodegenerative Disease Doshisha UniversityKyotanabe-shiKyotoJapan

Patients with hypomyelinating leukodystrophies(H LDs),multiple sclerosis(MS),and leukodystrophies including Aicardi-Goutieres syndrome,adrenoleukodystrophy,Alexander disease,Canavan disease,cerebrotendinous xanthomato... 详细信息

关键词： dystrophy cytes Patients

New method of local adjuvant therapy with bicarbonate Ringer’s solution for tumoral calcinosis: A case report

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World Journal of Orthopedics 2024年第3期15卷 302-309页

作者： Takashi Noguchi Akio Sakamoto Kensaku Kakehi Shuichi Matsuda Department of Orthopaedic Surgery Graduate School of MedicineKyoto UniversityKyoto 606-8507Japan

BACKGROUND Tumoral calcinosis is a condition characterized by deposits of calcium phosphate crystals in extra-articular soft tissues,occurring in hemodialysis *** phosphate crystals are mainly composed of hydroxyapatite,which is highly infilt-rative to tissues,thus making complete resection *** adjuvant method to remove or resolve the residual crystals during the operation is *** SUMMARY A bicarbonate Ringer’s solution with bicarbonate ions(28 mEq/L)was used as the *** resecting calcium phosphate deposits of tumoral calcinosis as much as possible,while filling with the solution,residual calcium phosphate deposits at the pseudocyst wall can be gently scraped by fingers or gauze in the operative field.A 49-year-old female undergoing hemodialysis for 15 years had swelling with calcium deposition for 2 years in the shoulders,bilateral hip joints,and the right foot.A shoulder lesion was resected,but the calcification remained and early re-deposition was *** the difficulty of a complete rection,we devised a bicarbonate dissolution method and excised the foot *** resection of the calcified material,the residual calcified material was washed away with bicarbonate Ringer’s *** The bicarbonate dissolution method is a new,simple,and effective treatment for tumoral calcinosis in hemodialysis patients.

关键词： Tumoral calcinosis Adjuvant therapy Bicarbonate Ringer’s solution Surgery Case report