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Antigen-induced chimeric antigen receptor multimerization amplifies on-tumor cytotoxicity

Signal Transduction and Targeted Therapy 2024年第1期9卷 259-270页

作者： Yan Sun Xiu-Na Yang Shuang-Shuang Yang yi-zhu lyu Bing Zhang Kai-Wen Liu Na Li Jia-Chen Cui Guang-Xiang Huang Cheng-Lin Liu Jie Xu Jian-Qing Mi zhu Chen Xiao-Hu Fan Sai-Juan Chen Shuo Chen Shanghai Institute of Hematology National Research Center for Translational MedicineState Key Laboratory of Medical GenomicsRuijin Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200025China Shanghai Institute for Advanced Immunochemical Studies and School of Life Science and Technology ShanghaiTech UniversityShanghai 201210China Department of Hematology Second Hospital of Dalian Medical UniversityDalian 116023China National Facility for Protein Science Shanghai Shanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201210China Legend Biotech China Nanjing 211112China Shanghai Immune Therapy Institute Shanghai Cancer InstituteState Key Laboratory of Oncogenes and Related GenesRenji Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200127China Wondercel Biotechnology Shenzhen 518052China

Ligand-induced receptor dimerization or oligomerization is a widespread mechanism for ensuring communication specificity,safeguarding receptor activation,and facilitating amplification of signal transduction across the cellular ***,cell-surface antigeninduced multimerization(dubbed AIM herein)has not yet been consciously leveraged in chimeric antigen receptor(CAR)engineering for enriching T cell-based *** co-developed ciltacabtagene autoleucel(cilta-cel),whose CAR incorporates two B-cell maturation antigen(BCMA)-targeted nanobodies in tandem,for treating multiple *** we elucidated a structural and functional model in which BCMA-induced cilta-cel CAR multimerization amplifies myeloma-targeted T cell-mediated *** analysis of BCMA–nanobody complexes revealed atomic details of antigen–antibody hetero-multimerization whilst analytical ultracentrifugation and small-angle X-ray scattering characterized interdependent BCMA apposition and CAR juxtaposition in ***-induced nanobody CAR multimerization enhanced cytotoxicity,alongside elevated immune synapse formation and cytotoxicity-mediating cytokine release,towards myeloma-derived *** results provide a framework for contemplating the AIM approach in designing next-generation CARs.

关键词： cytotoxicity Antigen elevated

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Recent advances of metal vacancies in energy and environmental catalysis:Synthesis,characterization,and roles

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Green Energy & Environment 2025年第1期10卷 84-108页

作者： Long Sun Shunzheng Zhao Sirui Gao Ronghui zhu yiran Tan Xiaolong Tang Honghong yi School of Energy and Environmental Engineering University of Science and Technology BeijingBeijing100083China Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants Beijing100083China

With the ongoing depletion of fossil fuels,energy and environmental issues have become increasingly critical,necessitating the search for effective ***,being one of the hallmarks of modern industry,offers a promising avenue for ***,the question of how to significantly enhance the performance of catalysts has gradually drawn the attention of *** engineering,a commonly employed and effective approach to improve catalyst activity,has become a significant research focus in the catalysis field in recent *** vacancies have received extensive attention due to their simple ***,exploration of metal vacancies has remained stagnant for a considerable period,resulting in a scarcity of comprehensive reviews on this ***,based on the latest research findings,this paper summarizes and consolidates the construction strategies for metal vacancies,characterization techniques,and their roles in typical energy and environmental catalytic ***,it outlines potential challenges in the future,aiming to provide valuable references for researchers interested in investigating metal vacancies.

关键词： Metal vacancies Catalysis Construction strategies Characterization techniques Roles

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Longitudinal assessment of peripheral organ metabolism and the gut microbiota in an APP/PS1 transgenic mouse model of Alzheimer’s disease

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Neural Regeneration Research 2025年第10期20卷 2982-2997页

作者： Hongli Li Jianhua Huang Di Zhao Lemei zhu Zheyu Zhang Min yi Weijun Peng Department of Integrated Traditional Chinese&Western Medicine The Second Xiangya HospitalCentral South UniversityChangshaHunan ProvinceChina National Clinical Research Center for Metabolic Diseases ChangshaHunan ProvinceChina Hunan Academy of Chinese Medicine ChangshaHunan ProvinceChina Academician Workstation Changsha Medical UniversityChangshaHunan ProvinceChina

Alzheimer’s disease not only affects the brain,but also induces metabolic dysfunction in peripheral organs and alters the gut *** aim of this study was to investigate systemic changes that occur in Alzheimer’s disease,in particular the association between changes in peripheral organ metabolism,changes in gut microbial composition,and Alzheimer’s disease *** do this,we analyzed peripheral organ metabolism and the gut microbiota in amyloid precursor protein-presenilin 1(APP/PS1)transgenic and control mice at 3,6,9,and 12 months of ***-month-old APP/PS1 mice exhibited cognitive impairment,Alzheimer’s disease-related brain changes,distinctive metabolic disturbances in peripheral organs and fecal samples(as detected by untargeted metabolomics sequencing),and substantial changes in gut microbial composition compared with younger APP/PS1 ***,a strong correlation emerged between the gut microbiota and kidney metabolism in APP/PS1 *** findings suggest that alterations in peripheral organ metabolism and the gut microbiota are closely related to Alzheimer’s disease development,indicating potential new directions for therapeutic strategies.

关键词： Alzheimer’s disease APP/PS1 mice brain-kidney axis gut microbiota heart-brain axis liver-brain axis lung-brain axis microbiota-gut-brain axis peripheral organ metabolism spleen-brain axis

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Effect of order–disorder transition on thermodynamic and electronic properties of σ and χ phases in W–Re alloy: the first-principles calculation

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Tungsten 2025年第1期7卷 195-213页

作者： Zhi-Peng zhu Dian Jia William yi Wang Jun-Lei yin Xing-Yu Gao Shu-Feng Yang Hai-Feng Song Jin-Shan Li State Key Laboratory of Solidification Processing Northwestern Polytechnical University Laboratory of Computational Physics Institute of Applied Physics and Computational Mathematics School of Metallurgical and Ecological Engineering University of Science and Technology Beijing

The Tungsten-Rhenium(W-Re) alloys,celebrated for their high melting point,strength at elevated temperatures,electrical resistivity,and radiation resistance,have been widely utilized in high-temperature components,aerospace,electronics,and nuclear *** constituents of the topologically close-packed(TCP) phases,the sigma phase(σ) and chi phase(χ) formed within W-Re alloys wield considerable influence on the mechanical properties and the stability of the *** calculations were utilized in the present work to explore the structural,thermodynamic,and electronic properties of both ordered and disordered configurations within the σ and χ phases,culminating in a systematic elucidation of the higher phase stability exhibited by the ordered *** is found that the bulk modulus of these two phases is directly proportional to the concentration of Re in the alloy,while the equilibrium volume is inversely *** thermodynamic parameters of the σ and χ phases are calculated via the mean-field potential *** similar trends observed in the isobaric heat capacity,enthalpy increment,and entropy change curves for these two phases suggest they possess comparable thermodynamic *** is noteworthy that the contribution of ionic vibrations predominantly affects the isobaric heat capacity,while the contribution of thermal electronic excitations increases linearly with *** the structure and thermodynamic properties of TCP phases in W-Re alloys at low temperatures has profound significance for optimizing material performance,microstructures features,establishing theoretical foundations,and predicting material behavior.

关键词： First-principles calculations Phase stability TCP phases Thermodynamic properties W–Re alloy

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Catalytic atroposelective synthesis of indolyl quinazolinones bearing N-N/C-C diaxes

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Science China Chemistry 2025年

作者： Ning-yi Wang Shuo Gao zhu-Di Shu Bei-Bei Cheng Chun Ma Yu-Chen Zhang Feng Shi Research Center of Chiral Functional Heterocycles School of Chemistry and Materials Science Jiangsu Normal University School of Petrochemical Engineering Changzhou University School of Chemistry and Chemical Engineering Henan Normal University

The first catalytic atroposelective synthesis of indole derivatives bearing N-N/C-C diaxes has been established by the strategy of de novo ring formation. By this strategy, various indolyl quinazolinones bearing vicinal N-N/C-C diaxes were synthesized in high yields with overall good diastereoselectivities and excellent enantioselectivities via chiral phosphoric acid-catalyzed onepot asymmetric formal (5+1) cycloaddition/oxidation reaction. Moreover, such indolyl quinazolinones bearing vicinal N-N/CC diaxes have good configurational stability and could be converted into new chiral ligands with applications in asymmetric catalysis. Therefore, this work not only offered a new member for the family of diaxial atropisomers, but also provided a powerful strategy for catalytic asymmetric synthesis of atropisomers bearing N-N/C-C diaxes.

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Characteristics of Preheating Combustion of Power Coal with High Coking Properties

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Journal of Thermal Science 2021年第4期30卷 1108-1115页

作者： ZHANG yi zhu Jianguo lyu Qinggang PAN Fei zhu Shujun Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

Yankuang coal with the high coking property is difficult to use through direct *** main purpose of this paper is to study the combustion characteristics and NO_(x)emissions of this type of coal using preheating combustion *** experimental results show that after the pulverized coal is preheated,the char residue characteristic is significantly reduced from 5 to *** the preheating process,the preheating temperature is stable at about 910°C,and the particle size of char after preheating is reduced,and the pore structure and specific surface areas are *** combustion temperature of preheated fuel is stable at around 1100℃,and the combustion efficiency can reach more than 99%under different *** the structure of the secondary air nozzles during the preheating combustion process can influence the characteristics of NO_(x)*** NO_(x)emission of the central nozzle is about 112 mg/Nm~(3)lower than that of the annular *** the tertiary air distribution modes can reduce the final NO_(x)emissions to 215 mg/Nm~3(@6%O_2),and the corresponding conversion ratio of fuel N to the final NO_(x)is 4.2%.The results of this experiment prove that the Yankuang coal can achieve stable combustion by preheating combustion technology,and this proposed a new way for the utilization of Yankuang coal.

关键词： Yankuang coal coking properties preheating combustion NO_(x)emissions

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竞争环境下双目标零售平台销售模式选择

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管理工程学报 2025年第1期39卷 227-242页

作者：张冲朱祎宋君南京邮电大学管理学院江苏南京210003

电子商务行业发展迅速,具有“超越利润”战略导向以实现更广泛目标的组织正变得越来越普遍,兼顾消费者利益成为企业凸显竞争优势的方式。为此,本文构建由一个制造商和两个零售平台组成的两级供应链。其中,制造商和其中一个零售平台追求... 详细信息

电子商务行业发展迅速,具有“超越利润”战略导向以实现更广泛目标的组织正变得越来越普遍,兼顾消费者利益成为企业凸显竞争优势的方式。为此,本文构建由一个制造商和两个零售平台组成的两级供应链。其中,制造商和其中一个零售平台追求自身利润最大化,另外一个零售平台追求自身利润和消费者剩余的线性组合最大化,即考虑双目标最优。本文具体考虑两个零售平台分别选择转售模式或代理模式共四种情形,进而研究双目标零售平台销售模式选择问题,及其对供应链成员最优决策和供应链整体绩效的影响。结果表明:(1)在一定条件下,双目标零售平台能获得比竞争对手更高的利润;(2)当双目标零售平台选择转售模式时,无论其竞争对手选择哪种销售模式,其双目标策略都能使供应链总体利润得到优化;(3)当双目标零售平台的竞争对手选择代理模式时,其自身根据不同情况选择转售模式或者代理模式可以使两个零售平台的销售模式选择形成均衡。

关键词：双目标企业社会责任零售平台销售模式双渠道

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Combined pollution of arsenic and Polymyxin B enhanced arsenic toxicity and enriched ARG abundance in soil and earthworm gut microbiotas

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Journal of Environmental Sciences 2021年第11期33卷 171-180页

作者： lyu Li Dong zhu Xingyun yi Jianqiang Su Guilan Duan Xianjin Tang Yongguan zhu State Key Lab of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China Institute of Soil and Water Resources and Environmental Science Zhejiang UniversityHangzhou 310058China

Polymyxin B(PMB)is considered as the last line of antibiotic defense available to *** environmental effects of the combined pollution with PMB and heavy metals and their interaction mechanisms are *** explored the effects of the combined pollution with PMB and arsenic(As)on the microbial composition of the soil and in the earthworm gut,as well as the spread and transmission of antibiotic resistance genes(ARGs).The results showed that,compared with As alone,the combined addition of PMB and As could significantly increase the bioaccumulation factor and toxicity of As in earthworm tissues by 12.1%and 16.0%,*** treatment could significantly increase the abundance of Actinobacteria in the earthworm gut(from 35.6%to 45.2%),and As stress could significantly increase the abundance of Proteobacteria(from 19.8%to 56.9%).PMB and As stress both could significantly increase the abundance of ARGs and mobile genetic elements(MGEs),which were positively correlated,indicating that ARGs might be horizontally *** inactivation of antibiotics was the main resistance mechanism that microbes use to resist PMB and As *** analysis showed that PMB and As might have antagonistic effects through competition with multi-drug resistant *** combined pollution by PMB and As significantly promoted the relative abundance of microbes carrying multi-drug resistant ARGs and MGEs,thereby increasing the risk of transmission of *** research advances the understanding of the interaction mechanism between antibiotics and heavy metals and provides new theoretical guidance for the environmental risk assessment and combined pollution management.

关键词： Arsenic Soil Earthworm gut microbiotas Polymyxin B Antibiotic resistance genes

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Experimental study on the partial preheating combustion characteristic of Yankuang coal sludge

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Waste Disposal and Sustainable Energy 2021年第3期3卷 219-225页

作者： yi Zhang Jianguo zhu Qinggang lyu Jingzhang Liu Jiahang Zhang Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Dalian National Laboratory for Clean Energy Dalian 116023China

Coal sludge is a seriously polluted solid waste,and the rational utilization of its resources has long being an undoubtedly important research *** paper mainly studies the coal sludge partial preheating characteristic,combustion characteristic and the process of migration and conversion of nitrogen with preheating combustion *** experimental results indicate that most of the elements in the coal sludge are released during preheating,and the ratio of the fuel-N converted to the N_(2),NH_(3) and HCN are 75.5%,6.74%and 0.64%,*** with the coal sludge,the BET surface area and cumulative pore area of preheated char are *** surface of preheated char is loose and porous with many fine particles,while raw coal is dense with larger ***,the quantity of carbon defect structure,the active sites and the reactivity of preheated char are all *** the whole process,the NO_(x) emission is about 156 mg/m3(@6%O2),the ratio of fuel-N converted to NO_(x) was 2.98%,and the combustion efficiency is 96.5%.This experiment results will play a vital role in efficient and clean utilization of coal sludge.

关键词： Coal sludge Pre-heating combustion Nitrogen migration Reactivity

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The atlas of ferroicity in two-dimensional MGeX_(3) family:Room-temperature ferromagnetic half metals and unexpected ferroelectricity and ferroelasticity

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Nano Research 2021年第12期14卷 4732-4739页

作者： Kuan-Rong Hao Xing-Yu Ma Hou-yi lyu Zhen-Gang zhu Qing-Bo Yan Gang Su School of Physical Sciences University of Chinese Academy of SciencesBeijing100049China School of Electronic Electrical and Communication EngineeringUniversity of Chinese Academy of SciencesBeijing100049China Center of Materials Science and Optoelectronics Engineering College of Materials Science and Optoelectronic TechnologyUniversity of Chinese Academy of SciencesBeijing100049China Kavli Institute for Theoretical Sciences and CAS Center of Excellence in Topological Quantum ComputationUniversity of Chinese Academy of SciencesBeijing100190China

Two-dimensional(2D)ferromagnetic and ferroelectric materials attract unprecedented attention due to the spontaneous-symmetry-breaking induced novel properties and multifarious potential *** we systematically investigate a large family(148)of 2D MGeX3(M=metal elements,X=O/S/Se/Te)by means of the high-throughput first-principles calculations,and focus on their possible ferroic properties including ferromagnetism,ferroelectricity,and *** discover eight stable 2D ferromagnets including five semiconductors and three half-metals,212D antiferromagnets,and 11 stable 2D ferroelectric semiconductors including two multiferroic ***,MnGeSe3 and MnGeTe3 are predicted to be room-temperature 2D ferromagnetic half metals with Tc of 490 and 308 K,*** is probably for the first time that ferroelectricity is uncovered in 2D MGeX3 family,which derives from the spontaneous symmetry breaking induced by unexpected displacements of Ge-Ge atomic pairs,and we also reveal that the electric polarizations are in proportion to the ratio of electronegativity of X and M atoms,and IVB group metal elements are highly favored for 2D *** tunnel junction and water-splitting photocatalyst based on 2D ferroic MGeX3 are proposed as examples of wide potential *** atlas of ferroicity in 2D MGeX3 materials will spur great interest in experimental studies and would lead to diverse applications.

关键词： two-dimensional materials ferroicity ferroelectricity ferroelasticity ferromagnetic half metal

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