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Regenerative medicine strategies for chronic complete spinal cord injury

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Neural Regeneration Research 2024年第4期19卷 818-824页

作者： Shogo Hashimoto Narihito Nagoshi Masaya Nakamura hideyuki Okano Department of Orthopedic Surgery Keio University School of Medicine Department of Physiology Keio University School of Medicine

Spinal cord injury is a condition in which the parenchyma of the spinal cord is damaged by trauma or various *** rapid progress has been made in regenerative medicine for spinal cord injury that was previously untreatable,most research in this field has focused on the early phase of incomplete ***,the majority of patients have chronic severe injuries;therefore,treatments for these situations are of fundamental *** reason why the treatment of complete spinal cord injury has not been studied is that,unlike in the early stage of incomplete spinal cord injury,there are various inhibitors of neural ***,we assumed that it is difficult to address all conditions with a single treatment in chronic complete spinal cord injury and that a combination of several treatments is essential to target severe ***,we established a combination therapy of cell transplantation and drug-releasing scaffolds,which contributes to functional recovery after chronic complete transection spinal cord injury,but we found that functional recovery was limited and still needs further ***,for the further development of the treatment of chronic complete spinal cord injury,we review the necessary approaches to the different pathologies based on our findings and the many studies that have been accumulated to date and discuss,with reference to the literature,which combination of treatments is most effective in achieving functional recovery.

关键词： cell transplantation chronic phase complete transection regenerative medicine spinal cord injury

Dendritic Learning-Incorporated Vision Transformer for Image Recognition

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IEEE/CAA Journal of Automatica Sinica 2024年第2期11卷 539-541页

作者： Zhiming Zhang Zhenyu Lei Masaaki Omura hideyuki Hasegawa Shangce Gao Faculty of Engineering University of ToyamaToyama-shi 930-8555Japan IEEE

Dear Editor,This letter proposes to integrate dendritic learnable network architecture with Vision Transformer to improve the accuracy of image *** this study,based on the theory of dendritic neurons in neuroscience,we design a network that is more practical for engineering to classify visual *** on this,we propose a dendritic learning-incorporated vision Transformer(DVT),which out-performs other state-of-the-art methods on three image recognition benchmarks.

关键词： Image network image

Spinal cord injury regenerative therapy development:integration of design of experiments

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Neural Regeneration Research 2025年第9期20卷 2571-2573页

作者： Yuji Okano hideyuki Okano Yoshitaka Kase Division of CNS Regeneration and Drug Discovery International Center for Brain Science(ICBS)Fujita Health UniversityKutsukake-ChoToyoake-ShiAichiJapan Department of Extended Intelligence for Medicine The Ishii-Ishibashi LaboratoryKeio University School of MedicineShinanomachiShinjuku-KuTokyoJapan Keio University Regenerative Medicine Research Center Kawasaki-kuKawasaki-shiJapan

Spinal cord injury(SCI)can cause motor and sensory paralysis,and autonomic nervous system disorders including malfunction of urination and defecation,thereby significantly impairing the quality of *** continue to explo re new stem cell strategies for the treatment of paralysis by transpla nting human induced pluripotent stem cell-derived neural ste m/progenitor cells(hiPSCNS/PCs)into spinal cord injured tissues.

关键词： Spinal paralysis injury

The deterministic condition for the ground reaction force acting point on the combined knee valgus and tibial internal rotation moments in early phase of cutting maneuvers in female athletes

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Journal of Sport and Health Science 2024年第3期13卷 376-386页

作者： Issei Ogasawara Ken Ohta Gajanan S.Revankar Shoji Konda Yohei Shimokochi hideyuki Koga Ken Nakata Department of Health and Sport Sciences Graduate School of MedicineOsaka UniversityToyonaka 560-0043Japan Sports Sensing Co. LTD.Fukuoka 815-0035Japan Department of Neurology Graduate School of MedicineOsaka UniversitySuita 565-0871Japan Department of Health and Sport Management Osaka University of Health and Sport SciencesSennan-gun 590-0496Japan Department of Joint Surgery and Sports Medicine Graduate School of Medical and Dental SciencesTokyo Medical and Dental UniversityBunkyo-ku 113-8519Japan

Background:Combined knee valgus and tibial internal rotation(VL+IR)moments have been shown to stress the anterior cruciate ligament(ACL)in several in vitro cadaveric *** utilize this knowledge for non-contact ACL injury prevention in sports,it is necessary to elucidate how the ground reaction force(GRF)acting point(center of pressure(CoP))in the stance foot produces combined knee VL+IR moments in risky maneuvers,such as ***,the effects of the GRF acting point on the development of the combined knee VL+IR moment in cutting are still ***:We first established the deterministic mechanical condition that the CoP position relative to the tibial rotational axis differentiates the GRF vector’s directional probability for developing the combined knee VL+IR moment,and theoretically predicted that when the CoP is posterior to the tibial rotational axis,the GRF vector is more likely to produce the combined knee VL+IR moment than when the CoP is anterior to the tibial rotational ***,we tested a stochastic aspect of our theory in a lab-controlled in vivo *** females performed 60˚cutting under forefoot/rearfoot strike conditions(10 trials each).The positions of lower limb markers and GRF data were measured,and the knee moment due to GRF vector was *** trials were divided into anterior-and posterior-CoP groups depending on the CoP position relative to the tibial rotational axis at each 10 ms interval from 0 to 100 ms after foot strike,and the occurrence rate of the combined knee VL+IR moment was compared between trial ***:The posterior-CoP group showed significantly higher occurrence rates of the combined knee VL+IR moment(maximum of 82.8%)at every time point than those of the anterior-CoP trials,as theoretically predicted by the deterministic mechanical ***:The rearfoot strikes inducing the posterior CoP should be avoided to reduce the risk of non-contact ACL injury associated with the com

关键词： Center of pressure Deterministic condition Foot strike pattern Injury mechanism Moment of ground reaction force

Spinal cord injury regenerative therapy development:integration of design of experiments

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Neural Regeneration Research 2025年第09期 2571-2573页

作者： Yuji Okano hideyuki Okano Yoshitaka Kase Division of CNS Regeneration and Drug Discovery International Center for Brain Science (ICBS)Fujita Health University Department of Extended Intelligence for Medicine The Ishii-Ishibashi LaboratoryKeio University School of Medicine Keio University Regenerative Medicine Research Center

Spinal cord injury(SCI) can cause motor and sensory paralysis,and autonomic nervous system disorders including malfunction of urination and defecation,thereby significantly impairing the quality of *** continue to explo re new stem cell strategies for the treatment of paralysis by transpla nting human induced pluripotent stem cell-derived neural ste m/progenitor cells(hiPSCNS/PCs) into spinal cord injured tissues.

关键词：

Initial experience with robot-assisted adrenalectomy for giant adrenal tumors

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Asian Journal of Urology 2024年第3期11卷 507-508页

作者： Takayuki Ohzeki Hiroyuki Kita Remon Kunishige Taiji Hayashi Tsukasa Nishioka Koichi Sugimoto Takafumi minami Kazutoshi Fujita Department of Urology Izumi City General Hospital4-5-1 WakechoIzumiOsaka 594-0073Japan Department of Urology Kaizuka City Hospital10-20 Hori 3-chomeKaizukaOsaka 594-0073Japan Department of Urology Kindai University Faculty of Medicine377-2 Ohno-HigashiOsaka-SayamaOsaka 589-8511Japan

Dear Editor,Adrenocortical carcinomas and adrenal cysts,including pseudocysts,are uncommon tumors[1,2].No consistent approach to surgery for large adrenal tumors including cysts,has been established,and especially when malignancy is suspected,consideration is still given to the option of *** robot-assisted surgery,we successfully performed the resection of a giant adrenal pseudocyst and a giant adrenocortical carcinoma,as reported previously[3],underlining the advantages of robot-assisted surgery for large adrenal tumors.

关键词： adrenal tumors surgery

Direct Observation of Thermoelectric Magnetic Convection in Unidirectionally Solidified Al-Cu Alloys

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Journal of Iron and Steel Research International 2012年第S1期19卷 34-39页

作者： hideyuki Yasuda Keisuke Inoue Yudai minami Tomoya Nagira Masato Yoshiya Kentaro Uesugi Keiji Umetani Department of Adaptive Machine Systems Osaka UniversityOsaka 565-0871Japan Japan Synchrotron Research Institute/SPring-8 Hyogo 679-5198Japan

This study performed the time-resolved and in-situ observation of unidirectional solidification of A1-Cu and Sn-Bi alloys under a static magnetic field up to 0.45 *** the case of Sn-Bi alloy,the static magnetic field reduced the local convection around the primary dendrite *** thermoelectric convection was *** the other hand,the thermoelectric convection was clearly observed in Al-Cu *** observed convection was consistently explained by the thermoelectric magnetic *** to a simplified model,the thermoelectric magnetic convection can be induced if the difference in the thermoelectric power between the solid and the liquid phases is in the order of 1 μV/K and temperature gradient is several K/mm.

关键词： static magnetic field natural convection thermoelectric effect dendrite

Degradation behaviors of nonylphenol ethoxylates by isolated bacteria using improved isolation method

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Journal of Environmental Sciences 2008年第9期20卷 1025-1027页

作者： hideyuki Tamaki Yoichi Kamagata Institute for Biological Resources and Functions National Institute of Advanced Industrial Science and Technology

Nonylphenol ethoxylate (NPEO)-degrading bacteria were isolated from activated sludge using an improved isolation method, and the corresponding degradation behaviours were investigated. Eight NPEO-degrading strains distributed in genera Pseudomonas, Sphingomonas, Sphingobium, Cupriavidus, Ralstonia, Achromobacter, and Staphylococcus were acquired. The latter five genera have never been reported for the degradation of NPEOs. Four degradation patterns were observed for the eight pure strains. In pattern A, NPE...

关键词： nonylphenol ethoxylate (NPEO) biodegradation ssolation method

Complex-Valued Neural Networks:A Comprehensive Survey

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IEEE/CAA Journal of Automatica Sinica 2022年第8期9卷 1406-1426页

作者： ChiYan Lee hideyuki Hasegawa Shangce Gao Faculty of Engineering University of ToyamaToyama 930-8555Japan

Complex-valued neural networks(CVNNs)have shown their excellent efficiency compared to their real counterparts in speech enhancement,image and signal *** throughout the years have made many efforts to improve the learning algorithms and activation functions of *** CVNNs have proven to have better performance in handling the naturally complex-valued data and signals,this area of study will grow and expect the arrival of some effective improvements in the ***,there exists an obvious reason to provide a comprehensive survey paper that systematically collects and categorizes the advancement of *** this paper,we discuss and summarize the recent advances based on their learning algorithms,activation functions,which is the most challenging part of building a CVNN,and ***,we outline the structure and applications of complex-valued convolutional,residual and recurrent neural ***,we also present some challenges and future research directions to facilitate the exploration of the ability of CVNNs.

关键词： Complex activation function complex backpropagation algorithm complex-valued learning algorithm complex-valued neural network deep learning