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CNKSR2 interactome analysis indicates its association with the centrosome/microtubule system

Neural Regeneration Research 2025年第8期20卷 2420-2432页

作者： Lin Yin Yalan Xu Jie Mu Yu Leng Lei Ma Yu Zheng Ruizhi Li Yin Wang Peifeng Li Hai Zhu dong Wang Jing Li Institute for Translational Medicine The Affiliated Hospital of Qingdao UniversityMedical CollegeQingdao UniversityQingdaoShandong ProvinceChina School of Basic Medicine Qingdao UniversityQingdaoShandong ProvinceChina College of Life Sciences and School of PharmacyMedical CollegeQingdao UniversityQingdaoShandong ProvinceChina Department of Urology Qingdao Municipal Hospital Affiliated to Qingdao UniversityQingdaoShandong ProvinceChina

The protein connector enhancer of kinase suppressor of Ras 2(CNKSR2),present in both the postsynaptic density and cytoplasm of neurons,is a scaffolding protein with several protein-binding *** of the CNKSR2 gene have been implicated in neurodevelopmental disorders,particularly intellectual disability,although the precise mechanism involved has not yet been fully *** has demonstrated that CNKSR2 plays a role in facilitating the localization of postsynaptic density protein complexes to the membrane,thereby influencing synaptic signaling and the morphogenesis of dendritic ***,the function of CNKSR2 in the cytoplasm remains to be *** this study,we used immunoprecipitation and high-resolution liquid chromatography-mass spectrometry to identify the interactors of *** a combination of bioinformatic analysis and cytological experiments,we found that the CNKSR2 interactors were significantly enriched in the proteome of the *** also showed that CNKSR2 interacted with the microtubule protein DYNC1H1 and with the centrosome marker *** colocalization analysis confirmed the centrosomal localization of *** we downregulated CNKSR2 expression in mouse neuroblastoma cells(Neuro 2A),we observed significant changes in the expression of numerous centrosomal *** manipulation also affected centrosome-related functions,including cell size and shape,cell proliferation,and ***,we found that CNKSR2 interactors were highly enriched in de novo variants associated with intellectual disability and autism spectrum *** findings establish a connection between CNKSR2 and the centrosome,and offer new insights into the underlying mechanisms of neurodevelopmental disorders.

关键词： autism spectrum disorder centrosome CNKSR2 intellectual disability interactome mass spectrometry microtubule neurodevelopmental disease protein complexes protein-protein interactions

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Human neural stem cell-derived extracellular vesicles protect against ischemic stroke by activating the PI3K/AKT/mTOR pathway

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Neural Regeneration Research 2025年第11期20卷 3245-3258页

作者： Jiayi Wang Mengke Zhao dong Fu Meina Wang Chao Han Zhongyue Lv Liang Wang Jing Liu Stem Cell Clinical Research Center The First Affiliated Hospital of Dalian Medical UniversityDalianLiaoning ProvinceChina Dalian Innovation Institute of Stem Cell and Precision Medicine DalianLiaoning ProvinceChina Institute(College)of Integrative Medicine Dalian Medical UniversityDalianLiaoning ProvinceChina

Human neural stem cell-derived extracellular vesicles exhibit analogous functions to their parental cells,and can thus be used as substitutes for stem cells in stem cell therapy,thereby mitigating the risks of stem cell therapy and advancing the frontiers of stem cell-derived *** lays a foundation for the development of potentially potent new treatment modalities for ischemic ***,the precise mechanisms underlying the efficacy and safety of human neural stem cell-derived extracellular vesicles remain unclear,presenting challenges for clinical *** promote the translation of therapy based on human neural stem cell-derived extracellular vesicles from the bench to the bedside,we conducted a comprehensive preclinical study to evaluate the efficacy and safety of human neural stem cell-derived extracellular vesicles in the treatment of ischemic *** found that administration of human neural stem cell-derived extracellular vesicles to an ischemic stroke rat model reduced the volume of cerebral infarction and promoted functional recovery by alleviating neuronal *** human neural stem cell-derived extracellular vesicles reduced neuronal apoptosis by enhancing phosphorylation of phosphoinositide 3-kinase,mammalian target of rapamycin,and protein kinase B,and these effects were reversed by treatment with a phosphoinositide 3-kinase *** findings suggest that human neural stem cell-derived extracellular vesicles play a neuroprotective role in ischemic stroke through activation of phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin signaling ***,we showed that human neural stem cell-derived extracellular vesicles have a good in vivo safety ***,human neural stem cell-derived extracellular vesicles are a promising potential agent for the treatment of ischemic stroke.

关键词： behavior exosome extracellular vesicles ischemic stroke mammalian target of rapamycin(mTOR) middle cerebral artery occlusion neural stem cells neuronal apoptosis phosphoinositide 3-kinase(PI3K) protein kinase B(AKT)

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Induced pluripotent stem cell-related approaches to generate dopaminergic neurons for Parkinson's disease

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Neural Regeneration Research 2025年第11期20卷 3193-3206页

作者： Ling-Xiao Yi Hui Ren Woon Genevieve Saw Li Zeng Eng King Tan Zhi dong Zhou National Neuroscience Institute Singapore Nanyang Technology University Singapore Department of Neurology Singapore General HospitalSingapore Signature Research Program in Neuroscience and Behavioral Disorders Duke-NUS Medical SchoolSingapore

The progressive loss of dopaminergic neurons in affected patient brains is one of the pathological features of Parkinson's disease,the second most common human neurodegenerative *** the detailed pathogenesis accounting for dopaminergic neuron degeneration in Parkinson's disease is still unclear,the advancement of stem cell approaches has shown promise for Parkinson's disease research and *** induced pluripotent stem cells have been commonly used to generate dopaminergic neurons,which has provided valuable insights to improve our understanding of Parkinson's disease pathogenesis and contributed to anti-Parkinson's disease *** current review discusses the practical approaches and potential applications of induced pluripotent stem cell techniques for generating and differentiating dopaminergic neurons from induced pluripotent stem *** benefits of induced pluripotent stem cell-based research are *** dopaminergic neuron differentiation protocols from induced pluripotent stem cells are *** emerging three-dimension-based brain organoid models compared with conventional two-dimensional cell culture are ***,limitations,challenges,and future directions of induced pluripotent stem cell–based approaches are analyzed and proposed,which will be significant to the future application of induced pluripotent stem cell-related techniques for Parkinson's disease.

关键词： dopaminergic neurons induced pluripotent stem cells Parkinson's disease stem cell approaches

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Multi-source and multi-temporal remote sensing image classification for flood disaster monitoring

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Global Geology 2025年

作者： LI Zhu JIA Zhenyang dong Jing LIU Zhenghong College of Earth Sciences Jilin University Dandong No.2 High School

Flood disasters can have a serious impact on people's production and lives, and can cause huge ***-sourceremotesensingdata,thisstudyestablished decision tree classification rules through multi-source and multi-temporal feature fusion, classified ground objects before the disaster and extracted flood information in the disaster area based on optical images during the disaster, so as to achieve rapid acquisition of the disaster situation of each disaster bearing *** the case of Qianliang Lake, which suffered from flooding in 2020, the results show that decision tree classification algorithms based on multi-temporal features can effectively integrate multi-temporal and multispectral information to overcome the shortcomings of single-temporal image classification and achieve ground-truth object classification.

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High-dose dexamethasone regulates microglial polarization via the GR/JAK1/STAT3 signaling pathway after traumatic brain injury

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Neural Regeneration Research 2025年第9期20卷 2611-2623页

作者： Mengshi Yang Miao Bai Yuan Zhuang Shenghua Lu Qianqian Ge Hao Li Yu Deng Hongbin Wu Xiaojian Xu Fei Niu Xinlong dong Bin Zhang Baiyun Liu Beijing Tiantan Hospital Capital Medical UniversityBeijingChina Department of Neurology The First Hospital of Tsinghua UniversityBeijingChina Department of Neurotrauma and Beijing Key Laboratory of Central Nervous System Injury Beijing Neurosurgical InstituteCapital Medical UniversityBeijingChina Department of Critical Care Medicine Beijing Tiantan HospitalCapital Medical UniversityBeijingChina Center for Nerve Injury and Repair Beijing Institute of Brain DisordersChina National Clinical Research Center for Neurological DiseasesBeijingChina

Although microglial polarization and neuroinflammation are crucial cellular responses after traumatic brain injury,the fundamental regulatory and functional mechanisms remain insufficiently *** potent anti-inflammato ry agents,the use of glucoco rticoids in traumatic brain injury is still controversial,and their regulatory effects on microglial polarization are not yet *** the present study,we sought to determine whether exacerbation of traumatic brain injury caused by high-dose dexamethasone is related to its regulatory effects on microglial polarization and its mechanisms of *** vitro cultured BV2 cells and primary microglia and a controlled cortical impact mouse model were used to investigate the effects of dexamethasone on microglial ***,dexamethasone,RU486(a glucocorticoid receptor antagonist),and ruxolitinib(a Janus kinase 1 antagonist)were ***-sequencing data obtained from a C57BL/6 mouse model of traumatic brain injury were used to identify potential targets of *** Morris water maze,quantitative reverse transcription-polymerase chain reaction,western blotting,immunofluorescence and confocal microscopy analysis,and TUNEL,Nissl,and Golgi staining were performed to investigate our ***-throughput sequencing results showed that arginase 1,a marker of M2 microglia,was significantly downregulated in the dexamethasone group compared with the traumatic brain injury group at3 days post-traumatic brain *** dexamethasone inhibited M1 and M2 microglia,with a more pronounced inhibitory effect on M2microglia in vitro and in *** receptor plays an indispensable role in microglial polarization after dexamethasone treatment following traumatic brain ***,glucocorticoid receptor activation increased the number of apoptotic cells and neuronal death,and also decreased the density of dendritic spines.A possible downstream receptor signaling mechanism is th

关键词： apoptosis BV2 microglia dexamethasone glucocorticoid receptor glucocorticoids innate immune system microglial polarization neuroinflammation primary microglia traumatic brain injury

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中华民族现代文明:理论内涵、时代要求与世界意义

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海南大学学报（人文社会科学版） 2025年第1期43卷 1-7,F0002页

作者：董慧华中科技大学马克思主义学院湖北武汉430074 华中科技大学国家治理研究院湖北武汉430074

建设中华民族现代文明谱写了全面推进强国建设、民族复兴的新篇章,“新”就新在它既是一个新概念、一种新问题,也代表着一种新思维,彰显了习近平总书记对文化建设的深入思考。中华民族现代文明作为中国式现代化的文明成果,是党的百年文... 详细信息

建设中华民族现代文明谱写了全面推进强国建设、民族复兴的新篇章,“新”就新在它既是一个新概念、一种新问题,也代表着一种新思维,彰显了习近平总书记对文化建设的深入思考。中华民族现代文明作为中国式现代化的文明成果,是党的百年文化建设的宏阔升华,它厚植于中华文明与马克思主义融通结合的沃土,体现了对全人类共同价值的时代追寻。习近平文化思想为建设中华民族现代文明提供根本的理论指引、思想指引、精神指引和使命指引。建设中华民族现代文明,是对时代问题的积极回应,必须坚定文化自信、深化文明互鉴、推进文化传播,推动中华文明焕发时代荣光。

关键词：中华民族现代文明中华文明文化自信中国式现代化

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人不是物:社会认知的稽古维新

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心理学报 2025年第1期57卷 173-189页

作者：董达陈巍绍兴文理学院心理学系大脑、心智与教育研究中心浙江绍兴312000 中国人民大学哲学与认知科学交叉平台北京100080

当代社会认知的理论版图可分为经典概念工具箱与正在与之对抗的新概念工具两部分。经考证,理论论和模拟论等经典概念工具集中诞生于1980年代的美国认知科学界,可以被视为1956认知革命蔓延至社会心理学领域的产物,而新概念工具可以被视... 详细信息

当代社会认知的理论版图可分为经典概念工具箱与正在与之对抗的新概念工具两部分。经考证,理论论和模拟论等经典概念工具集中诞生于1980年代的美国认知科学界,可以被视为1956认知革命蔓延至社会心理学领域的产物,而新概念工具可以被视为与第二代认知革命相适合的替代理论。历史上,社会心理学接受了认知主义的“物”的抽象认知原理,也全盘接受了它带来的理论负荷,即对“人”的感知被还原为对“物”的感知,并且隶属于后者。然而,基于“物”的抽象认知原理始终无法与社会认知的以“人”为本的实践经验相结合,也未能实现该领域的自治。事实上,这一理论困难并非一直存在于“社会认知”的历史路径中,至少在以Heider为标志性人物的1950年代早期社会认知中便不是这样。Heider“人不是物”理论体系在个体层面上包括知觉实在论、事件归因和生命性−非生命性范畴区分三个部分,但是第三个理论部件彼时囿于作者主题侧重、证据不足、技术匮乏等多种原因未能完成。结合当代来自演化和比较的、行为和发展的以及神经通路假设的新证据,通过重新发掘并最终完整构建了“人不是物”论题,尝试为当代社会认知理论困难提供一个建设性意见。

关键词：社会认知人的感知认知革命生命性主体间性

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Insight into the particle shape on the impact of dry granular flow against a rigid barrier: A DEM study

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Journal of Earth Science 2025年

作者： Rui-Xiao Zhan dong Su Xiang-Sheng Chen Yuan-Jun Jiang Guo-Ping Lei Jing-Jing Yu Key Laboratory for Resilient Infrastructures of Coastal Cities (MOE)， Shenzhen University College of Civil and Transportation Engineering， Shenzhen University School of Architecture and Urban Planning， Shenzhen University Shenzhen Key Laboratory of Green， Efficient and Intelligent Construction of Underground Metro Station， Shenzhen University Institute of Mountain Hazards and Environment， Chinese Academy of Sciences School of Transportation， Civil Engineering & Architecture， Foshan University

The effect of particle shape on the impact of dry granular flow remains an open area for further investigation. Five distinct particle shapes were examined in this study using discrete element simulations after calibrating the numerical model using a published work. The findings indicated that the particle shape had a significant influence on granular mobility. With negligible variations in normalized kinetic energy between particles of different shapes， the effect of particle shape on the increasing rate of kinetic energy became more obvious. All irregular particle scenarios had longer accumulated particle lengths down the channel than spherical particles. Variations in particle shape led to adjustments in the distribution of impact forces on the barrier. These findings substantially enhance our understanding of the distinctive effects of particle shapes on the impact mechanism of dry granular flow.

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Effect of pouring time on microstructure and mechanical properties of centrifugal cast Ti-46Al alloy tubes

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China Foundry 2025年

作者： Gang Huang Qian Dang Cong-cong Su Jing Zhao Chi Zhang Guo-huai Liu Zhao-dong Wang The State Key Laboratory of Rolling and Automation Northeastern University School of Materials Science and Engineering Shenyang University of Technology

The grain size of TiAl alloy castings prepared by traditional casting process is coarse, thus showing poor mechanical properties. In this study, a new type of high performance Ti-46Al alloy tube prepared by vacuum centrifugal casting technology was introduced. This research comprehensively examined the influence of pouring time on the microstructure and mechanical performance of the castings, employing both experimental approaches and ProCast simulation methodologies. The findings indicate that prolonging the pouring time facilitates a microstructural evolution from coarse columnar grains to refined equiaxed grains. Under the condition of pouring temperature of 1,600 °C, rotation speed of 800 r·min-1and pouring time of 6 s, the tensile strength of Ti-46Al alloy at room temperature reaches 650 MPa, and the tensile strength at 800 °C reaches 705 MPa, which is significantly higher than that of traditional as-cast Ti-Al alloy.

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Research on Resilience Assessment and Improvement Methods of New Energy Bases Under Strong Sandstorm

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Dianwang Jishu/Power System Technology 2025年第1期49卷 124-135页

作者： Wang, Jinyan Ding, Kun Sun, Yalu Wang, Xiang dong, Haiying College of New Energy and Power Engineering Lanzhou Jiaotong University Gansu Province Lanzhou 730070 China State Grid Gansu Electric Power Company Gansu Province Lanzhou 730000 China Tsinghua Sichuan Energy Internet Research Institute Sichuan Province Chengdu 610213 China

The natural endowments of wind and solar resources in the desert and Gobi Desert areas of our country, as well as the reverse distribution of energy and load, make it of great significance to develop large-scale new energy bases and large-scale transmission of AC/DC hybrid power grids in the desert and Gobi Desert areas. The frequent occurrence of extreme sandstorms in the desert and Gobi Desert areas has seriously affected the centralized development and long-distance safe and stable transmission of new energy power generation bases. This article first quantifies the impact of two disaster-causing factors of sandstorms on new energy bases, establishes a mathematical model that reflects the relationship between sandstorms and new energy output, strong winds, and line failure rates, uses Monte Carlo sampling combined with system information entropy to select typical fault scenarios and construct a recovery model, obtains the system elasticity curve based on operating conditions, considers the entire process of system disaster, and adopts the Analytic Hierarchy Process (AHP) method Establish elasticity evaluation indicators;Secondly, a flexible improvement method is proposed from a planning perspective, to minimize the equivalent annual investment cost of the line and energy storage and the system's loss of load cost. A joint planning model for line expansion and energy storage configuration for flexible improvement is established, which is transformed into a mixed integer linear programming (MILP) problem, and the expansion plan of the new energy baseline and the optimal configuration of energy storage are solved. Finally, taking the improved IEEE36 node system as an example for simulation analysis, the elasticity indicators before and after adopting improvement measures are compared to verify the effectiveness and accuracy of the proposed elasticity evaluation and improvement methods. © 2025 Power System Technology Press. All rights reserved.

关键词： Charge storage

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