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Injury/ischemia-induced stem cells: up-to-date knowledge and future perspectives for neural regeneration

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Neural Regeneration Research 2025年第3期20卷 797-798页

作者： takayuki Nakagomi Institute for Advanced Medical Sciences Hyogo Medical UniversityNishinomiyaJapan Department of Therapeutic Progress in Brain Diseases Hyogo Medical UniversityNishinomiyaJapan

Brain injuries like ischemic stroke induce endogenous stem cell production. Although the precise traits of stem cells in pathological brains remain unclear, we previously demonstrated that injury/ischemia-induced stem... 详细信息

关键词： ischemia injuries

Monogenic gene therapy for glaucoma and optic nerve injury

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Neural Regeneration Research 2025年第3期20卷 815-816页

作者： Chikako Harada Xiaoli Guo takayuki Harada Visual Research Project Tokyo Metropolitan Institute of Medical ScienceTokyoJapan

The prevalence of glaucoma, the second leading cause of global blindness, is increasing due to aging populations. In glaucoma, degeneration of the optic nerve and retinal ganglion cells(RGCs) causes visual field defec... 详细信息

关键词： visual glaucoma degeneration

Asking one mechanism in glial cells during neuroinflammation

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Neural Regeneration Research 2025年第4期20卷 1077-1078页

作者： Xiaoli Guo Chikako Harada takayuki Harada Visual Research Project Tokyo Metropolitan Institute of Medical ScienceTokyoJapan

Multiple sclerosis(MS),which is characterized by inflammatory demyelination in the central nervous system(CNS),is the most common neurological disease in the young adult *** autoimmune encephalomyelitis(EAE),an animal model of MS,is often used in preclinical *** data indicate that in addition to immune cells such as T cells and dendritic cells,CNS resident microglia and astrocytes play important roles in demyelinating neuroinflammation(Healy et al.,2022).In particular,microglia are key immune-competent cells that can respond to environmental *** depletion of transforming growth factor-β-activated kinase 1,a mitogen-associated protein kinase kinase kinase,in microglia is reported to reduce CNS inflammation and diminish axonal and myelin damage *** suggests that elucidating the mechanisms of microglia-specific responses during pathologies may help in the development of treatments that reduce EAE/MS disease severity(Goldmann et al.,2013).

关键词： inflammation clinical

Efficient and stable hybrid perovskite-organic lightemitting diodes with external quantum efficiency exceeding 40 per cent

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Light(Science & Applications) 2024年第7期13卷 1364-1371页

作者： Lingmei Kong Yun Luo Qianqian Wu Xiangtian Xiao Yuanzhi Wang Guo Chen Jianhua Zhang Kai Wang Wallace CHChoy Yong-Biao Zhao Hongbo Li takayuki Chiba Junji Kido Xuyong Yang Key Laboratory of Advanced Display and System Applications of Ministry of Education Shanghai UniversityShanghai 200072China. Institute of Nanoscience and Applications Department of Electrical and Electronic EngineeringSouthern University of Science and TechnologyShenzhen 518055China. Department of Electrical and Electronic Engineering The University of Hong KongHong KongChina. Department of Physics and Lakeside AR/VR Laboratory International Joint Research Center for Optoelectronic and Engineering ResearchYunnan UniversityKunming 650091China. Experimental Center of Advanced Materials School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081China. Graduate School of Organic Materials Science Frontier Center for Organic MaterialsYamagata University4-3-16 JonanYonezawa 992–8510Japan

Light-emitting diodes(LEDs)based on perovskite semiconductor materials with tunable emission wavelength in visible light range as well as narrow linewidth are potential competitors among current light-emitting display technologies,but still suffer from severe instability driven by electric ***,we develop a stable,efficient and highcolor purity hybrid LED with a tandem structure by combining the perovskite LED and the commercial organic LED technologies to accelerate the practical application of *** LED and organic LED with close photoluminescence peak are selected to maximize photon emission without photon reabsorption and to achieve the narrowed emission *** designing an efficient interconnecting layer with p-type interface doping that provides good opto-electric coupling and reduces Joule heating,the resulting green emitting hybrid LED shows a narrow linewidth of around 30 nm,a peak luminance of over 176,000 cd m^(−2),a maximum external quantum efficiency of over 40%,and an operational half-lifetime of over 42,000 h.

关键词： diodes narrow quantum

Immunotherapy for esophageal cancer:Where are we now and where can we go

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World Journal of Gastroenterology 2024年第19期30卷 2496-2501页

作者： Yoshiaki Shoji Kazuo Koyanagi Kohei Kanamori Kohei Tajima Mika Ogimi Yamato Ninomiya Miho Yamamoto Akihito Kazuno Kazuhito Nabeshima takayuki Nishi Masaki Mori Department of Gastroenterological Surgery Tokai University School of MedicineKanagawa 259-1193Japan

Immune checkpoint inhibitor therapy has dramatically improved patient prognosis,and thereby transformed the treatment in various cancer types including esophageal squamous cell carcinoma(ESCC)in the past *** antibodies that selectively inhibit programmed cell death-1(PD-1)activity has now become standard of care in the treatment of ESCC in metastatic settings,and has a high expectation to provide clinical benefit during perioperative ***,anti-cytotoxic T-lymphocyte–associated protein 4(CTLA-4)monoclonal antibody has also been approved in the treatment of recurrent/metastatic ESCC in combination with anti-PD-1 *** understanding of the existing evidence of immune-based treatments for ESCC,as well as recent clinical trials on various combinations with chemotherapy for different clinical settings including neoadjuvant,adjuvant,and metastatic diseases,may provide future prospects of ESCC treatment for better patient outcomes.

关键词： Esophageal cancer Immunotherapy Immune checkpoint inhibitor Programmed cell death-1 Anti-cytotoxic T-lymphocyte-associated protein 4 Neoadjuvant therapy Adjuvant therapy Clinical trials Combination therapy

基于水平集法融合自适应网格技术的大规模多物理场拓扑优化研究

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基于水平集法融合自适应网格技术的大规模多物理场拓扑优化研究

Pulmonary artery diameter ratio as a prognostic indicator of congenital diaphragmatic hernia

中国力学大会-2021+1

作者： Hao Li 张横丁晓红胡天男 Nari Nakayama Tsuguo Kondoh Pierre Jolivet takayuki yamada Shinji Nishiwaki Kyoto University 上海理工大学机械工程学院 The University of Tokyo

针对高分辨率三维结构拓扑优化中计算成本高的问题,提出一种基于水平集方法融合自适应网格的拓扑优化并行计算新框架。通过水平集函数零等值面,清晰描述优化结果边界,实现了"所见即所得"的拓扑优化设计结果;并在每一迭代步中基于该等值...

针对高分辨率三维结构拓扑优化中计算成本高的问题,提出一种基于水平集方法融合自适应网格的拓扑优化并行计算新框架。通过水平集函数零等值面,清晰描述优化结果边界,实现了"所见即所得"的拓扑优化设计结果;并在每一迭代步中基于该等值面进行网格重构,加密边界周围网格,稀疏其余区域内网格,从而大幅减少了网格数量,有效降低计算成本;在计算过程中通过对网格进行分割,并指派给不同的CPU,实现并行计算,可以有效处理大规模计算问题。主要实现思想是:首先,基于水平集的边界演化实现清晰的实体-空材料边界;其次,以水平集函数0等值面作为自适应网格的边界,对隐式定义的表面进行离散和优化。通过粗化分布在实体内部和空域内部的网格,控制计算成本。通过细化结构边界处的网格,获得高分辨率切光滑的材料边界;最后,在有限元分析中采用并行计算,通过控制整体网格参数,可实现具有不同分辨率的结构设计。该框架基于开源软件FreeFEM,Mmg/ParMmg和PETSc进行开发,分别对刚度、最小流体功耗散、升阻比、流固耦合、自然对流、强制对流等问题进行了设计算例研究,验证该方法的可行性和高效性。

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来源： cnki会议评论

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World Journal of Pediatric Surgery 2024年第1期7卷 20-25页

作者： Yuichiro Miyake Hiroyuki Koga Shuko Nojiri Shunsuke yamada Takanori Ochi Go Miyano Geoffrey J Lane Atsuyuki Yamataka Tadaharu Okazaki Department of Pediatric General and Urogenital Surgery Juntendo University School of MedicineBunkyo-kuTokyoJapan Department of Medical Technology Innovation Center Juntendo UniversityBunkyo-ku TokyoJapan Department of Pediatric Surgery Juntendo University Urayasu HospitalUrayasuChibaJapan

Background Following on from an earlier study published in 2008 about left pulmonary artery(LPA)flow measured on serial echocardiography being strongly prognostic in left-sided congenital diaphragmatic hernia(CDH)and the ratio of LPA to right pulmonary artery(RPA)diameters being a simple and reliable indicator for commencing nitric oxide(NO)therapy,the ratio of LPA:RPA diameters(PA ratio orPAR)was hypothesized to possibly reflect cardiopulmonary stresses accompanying CDH *** Subjects with isolated left-sided CDH treated between 2007 and 2020 at a single pediatric surgical center were recruited and classified according to *** obtained retrospectively for subject demographics,clinical course,LPA/RPA diameters,and PAR were compared between survivors and *** value of PAR for optimizing the prognostic value of PA diameter data in CDH were analyzed with receiver operating characteristic(ROC)curve *** Of 65 subjects,there were 54 survivors(82.3%)and 11 non-survivors(17.7%);7 of 11 non-survivors died before surgical repair could be *** PAR for survivors(0.851±0.152)was significantly higher than for non-survivors(0.672±0.108)(p=0.0003).Mean PAR for non-survivors was not affected by surgical *** of survivors were:LPA≥2 mm(n=52 of 54;mean PAR=0.866±0.146)and RPA≥3mm(n=46 of 54;mean PAR=0.857±0.152).Non-survivors with similar LPA and RPA diameters to survivors had significantly lower mean *** curve cut-off for PAR was *** with high PAR(≥0.762)required high-frequency oscillatory ventilation/NO less than subjects with low PAR(<0.762)(p=0.0244 and p=0.0485,respectively)and subjects with high PAR stabilized significantly earlier than subjects with low PAR(1.71±0.68 days vs 3.20±0.87 days)(p<0.0001).Conclusions PAR would appear to be strongly correlated with clinical outcome in CDH and be useful for planning management of cardiopulmonary instability in CDH.

关键词： hernia congenital diameters

High critical current density in Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12) electrolyte via interfacial engineering with complex hydride

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Rare Metals 2024年第2期43卷 692-701页

作者： Ying-Tong Lv Teng-Fei Zhang Zhao-Tong Hu Guang-Lin Xia Ze-Ya Huang Zhen-Hua Liu Li-Hua Que Cai-Ting Yuan Fang-Qin Guo takayuki Ichikawa Xue-Bin Yu College of Materials Science and Technology Nanjing University of Aeronautics and AstronauticsNanjing210016China Centre for Hydrogenergy College of Materials Science and TechnologyNanjing University of Aeronautics and AstronauticsNanjing210016China Department of Materials Science Fudan UniversityShanghai200433China Graduate School of Advanced Science and Engineering Hiroshima University1-4-1 KagamiyamaHigashi-Hiroshima739-8527Japan

Garnet-type solid-state batteries(SSBs)are considered to be one of the most promising candidates to realize next-generation lithium metal batteries with high energy density and ***,the dendrite-induced short-circuit and the poor interfacial contact impeded the practical ***,interface engineering to achieve low interfacial resistance without high temperature calcination was developed,which Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12)(LLZTO)was simply coated with complex hydride(Li_(4)(BH_(4))_(3)I(3L1L))in various mass ratios n(Li_(4)(BH_(4))_(3)I)-(100−n)LLZTO(10≤n≤40).The interfacial conductivity increases by more than three orders of magnitude from 8.29×10^(−6)S·cm^(−1)to 1.10×10^(−2)S·cm^(−1).Symmetric Li cells exhibit a high critical current density(CCD)of 4.0 mA·cm^(−2) and an excellent cycling stability for 200 h at 4.0 mA·cm^(−2).SSBs with polymeric sulfur-polyacrylonitrile(SPAN)cathode achieve a high discharge capacity of 1149 mAh·g^(−1) with a capacity retention of 91%after 100 cycles(0.2 C).This attempt guides a simple yet efficient strategy for obtaining a stable Li/LLZTO interface,which would promote the development of solid-state batteries.

关键词： Hydrides Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12)(LLZTO) Critical current density Solid-state electrolytes(SSEs) Lithium-sulfur batteries

Severe aconite poisoning successfully treated with veno-arterial extracorporeal membrane oxygenation:A case report

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World Journal of Clinical Cases 2024年第2期12卷 399-404页

作者： Saeko Kohara Yoshito Kamijo Ryoko Kyan Ichiro Okada Eiju Hasegawa Soichiro yamada Koichi Imai Asuka Kaizaki-Mitsumoto Satoshi Numazawa Department of Critical Care Medicine and Trauma National Hospital Organization Disaster Medical CenterTokyo 1900014Japan Department of Clinical Toxicology Saitama Medical UniversitySaitama 3500495Japan Saitama Prefectural Institute of Public Health Saitama Prefectural Institute of Public HealthSaitama 3550133Japan Division of Toxicology Department of PharmacologyToxicology and TherapeuticsShowa University School of PharmacyTokyo 1428555Japan

BACKGROUND Most species of aconite contain highly toxic aconitines,the oral ingestion of which can be fatal,primarily because they cause ventricular *** describe a case of severe aconite poisoning that was successfully treated through venoarterial extracorporeal membrane oxygenation(VA-ECMO)and in which detailed toxicological analyses of the aconite roots and biological samples were performed using liquid chromatography-tandem mass spectrometry(LC-MS/MS).CASE SUMMARY A 23-year-old male presented to the emergency room with circulatory collapse and ventricular arrhythmia after ingesting approximately half of a root labeled,“Aconitum japonicum Thunb”.Two hours after arrival,VA-ECMO was initiated as circulatory collapse became refractory to antiarrhythmics and *** hours after arrival,an electrocardiogram revealed a return to sinus *** patient was weaned off VA-ECMO and the ventilator on hospital days 3 and 5,*** hospital day 15,he was transferred to a psychiatric *** other half of the root and his biological samples were toxicologically analyzed using LC-MS/MS,revealing 244.3 mg/kg of aconitine and 24.7 mg/kg of mesaconitine in the *** on admission contained 1.50 ng/mL of *** hospital day 2,neither were *** on admission showed 149.09 ng/mL of aconitine and 3.59 ng/mL of mesaconitine,but these rapidly decreased after hospital day *** The key to saving the life of a patient with severe aconite poisoning is to introduce VA-ECMO as soon as possible.

关键词： Aconite poisoning Fatal arrhythmia Veno-arterial extracorporeal membrane oxygenation Aconitine Mesaconitine Case report