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EBV-associated lymphoproliferative disease post-CAR-T cell therapy

Frontiers of Medicine 2024年第2期18卷 394-398页

作者： Shiyuan Zhang Xiaoxi Zhou Shangkun Zhang na wang Tongcun Zhang Donghua Zhang Qilin Ao Yang Cao Liang Huang Department of Hematology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China Immunotherapy Research Center for Hematologic Diseases of Hubei Province Wuhan430030China Institute of Biology and Medicine College of Life and Health SciencesWuhan University of Science and TechnologyWuhan430081China Department of Pathology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430030China State Key Laboratory of Experimental Hematology National Clinical Research Center for Blood DiseasesHaihe Laboratory of Cell EcosystemInstitute of Hematology&Blood Diseases HospitalChinese Academy of Medical Sciences&Peking Union Medical CollegeTianjin300020China Tianjin Institutes of Health Science Tianjin301600China

Epstein–Barr virus(EBV)-associated lymphoproliferative diseases(EBV-LPDs)are common complications that occur after solid organ transplantation or allogeneic hematopoietic stem-cell transplantation(HSCT).However,their occurrence and treatment post-chimeric antigen receptor-modified T(CAR-T)cell therapy has not been *** patients had been diagnosed with EBV-positive aggressive B-cell lymphoma and experienced relapses after multiple lines of *** receiving CAR-T cell therapy in tandem with autologous HSCT,the patients achieved complete ***,with a median time of 38.5 months after CAR-T cell therapy,B-cell-derived EBV-LPDs were diagnosed,and they were relieved through the administration of immune checkpoint inhibitor or B-cell-depleting ***,our report suggests that EBV-LPDs may represent a long-term adverse event after CAR-T cell therapy,especially in patients who previously had EBV-positive disorders,and they can be resolved by immune normalization strategy or B-cell depleting therapy.

关键词： EBV-associated lymphoproliferative disease chimeric antigen receptor T-cell autologous stem cell transplantation immune checkpoint inhibitor

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Intelligent secure near-field communication

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Science China(Information Sciences) 2024年第9期67卷 340-341页

作者： nan ZHANG Jifa ZHANG Chengwen XING na DENG nan ZHAO School of Information and Communication Engineering Dalian University of Technology School of Information and Electronics Beijing Institute of Technology

The research and development efforts for the sixth generation(6G) wireless communication are underway to fulfill the growing demands for wireless communications. 6G is expected to become the key enabler for diverse new applications and services [1]. To achieve the excellent performance, 6G will implement extremely large-scale antenna arrays(ELAAs), terahertz [2], and new types of antennas with metamaterials, leading to a paradigm shift for the electromagnetic characteristics.

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Understanding the rapid spread of antimicrobial resistance genes mediated by IS26

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mLife 2024年第1期3卷 101-109页

作者： na Tang Dawei Wei Yuan Zeng Gang Zhang Chao wang Jie Feng Yuqin Song State Key Laboratory of Microbial Resources Institute of MicrobiologyChinese Academy of SciencesBejingChina College of Life Science University of Chinese Academy of SciencesBeijingChina

Insertion sequences(ISs)promote the transmission of antimicrobial resistance genes(ARGs)across bacterial ***,their contributions and dynamics during the transmission of resistance remain *** this study,we selected is26 as a representative transposable element to decipher the relationship between ISs and ARGs and to investigate their transfer features and transmission *** retrieved 2656 translocatable IS26-bounded units with ARGs(tiS26-bUs-ARGs)in complete bacterial genomes from the NCBI RefSeq *** total,124 ARGs spanning 12 classes of antibiotics were detected,and the average contribution rate of IS26 to these genes was 41.2%.We found that IS26-bounded units(IS26-bUs)mediated extensive ARG dissemination within the bacteria of the Gammaproteobacteria class,showing strong transfer po-tential between strains,species,and even *** Is26-bUs expanded in bacterial populations over time,and their temporal expansion trend was significantly correlated with antibiotic *** wide dissemination could be due to the nonspecific target site preference of ***,we experimentally confirmed that the introduction of a single copy of is26 could lead to the formation of a composite transposon mediating the transmission of“passenger”*** observations extend our knowledge of the IS26 and provide new insights into the mediating role of ISs in the dissemination of antibiotic resistance.

关键词： antibiotic consumption antibiotic resistance genes horizontal gene transfer insertion sequence IS26

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PEG400-mediated nanocarriers improve the delivery and therapeutic efficiency of mRna tumor vaccines

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Chinese Chemical Letters 2024年第5期35卷 314-319页

作者： Wen Xiao Fazhan wang Yangzhuo Gu Xi He na Fan Qian Zheng Shugang Qin Zhongshan He Yuquan Wei Xiangrong Song Department of Critical Care Medicine Frontiers Science Center for Disease-related Molecular NetworkState Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengdu 610041China Medical Research Center The First Affiliated Hospital of Zhengzhou UniversityZhengzhou UniversityZhengzhou 450000China

Dendritic cell(DC)-targeted delivery of mRna is a prominent method to boost the efficacy of mRna tumor *** targeting ligands are often modified on nanocarriers by polyethylene glycol(PEG)linker in mRna delivery *** the PEG linker length influences the targeting delivery efficiency of mRna nanocarrier in vivo remains ***,we designed and constructed DC-targeted mRna delivery systems modified by mannose via different PEG linker lengths(100/400/1000/2000)(MPn-LPX).The top candidate MP_(400)-LPX(the linker was PEG400)showed the optimal mRna expression and antigen presentation owing to the highly efficient uptake by ***,MP_(400)-LPX could better inhibited tumor growth and extended survival in the E.G7-OVA lymphoma and TC-1 cervical tumor mouse ***,these results demonstrated that PEG400 was the optimal linker for the PEGylated DC-targeted mRna *** findings provided a new platform for the rational design of targeted mRna nanovaccines with shorter-length PEG.

关键词： Cancer immunotherapy mRna vaccines DC-targeted delivery PEGylated liposomes Cellular uptake

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Automation 5.0: The Key to Systems Intelligence and Industry 5.0

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IEEE/CAA Journal of Automatica Sinica 2024年第8期11卷 1723-1727页

作者： Ljubo Vlacic Hailong Huang Mariagrazia Dotoli Yutong wang Petros A.Ioannou Lili Fan Xingxia wang Raffaele Carli Chen Lv Lingxi Li Xiaoxiang na Qing-Long Han Fei-Yue wang Institute of Intelligent and Integrated Systems and the School of Engineering and Built Environment Griffith UniversityNathanQLD 4111Australia Department of Aeronautical and Aviation Engineering The Hong Kong Polytechnic UniversityHong KongChina Department of Electrical and Information Engineering Polytechnic of Bari70126 BariItaly State Key Laboratory of Multimodal Artificial Intelligence Systems Institute of AutomationChinese Academy of SciencesBeijing 100190and also with the Qingdao Academy of Intelligent IndustriesQingdao 266114China Department of Electrical Engineering-Systems University of Southern CaliforniaLos AngelesCA 90007 USA School of Automation Beijing Institute of TechnologyBeijing 100081China State Key Laboratory of Multimodal Artificial Intelligence Systems Institute of AutomationChinese Academy of SciencesBeijing 100190 School of Artificial Intelligence University of Chinese Academy of SciencesBeijing 100049 Beijing Huairou Academy of Parallel Sensing Beijing 101499China School of Mechanical and Aerospace Engineering Nanyang Technological UniversitySingapore 639798Singapore Department of Electrical and Computer Engineering Purdue School of Engineering and TechnologyIndiana University-Purdue University IndianapolisIndianapolisIN 46202 USA Department of Engineering University of CambridgeCB21TN CambridgeU.K. School of Science Computing and Engineering TechnologiesSwinburne University of TechnologyMelbourne VIC 3122Australia State Key Laboratory for Management and Control of Complex Systems Chinese Academy of SciencesBeijing 100190 School of Artificial Intelligence University of Chinese Academy of SciencesBeijing 100049China Dazhou Artificial Intelligence Institute Dazhouand the Faculty of Innovation EngineeringMacao University of Science and TechnologyMacao 999078China

AUTOMATION has come a long way since the early days of mechanization,i.e.,the process of working exclusively by hand or using animals to work with *** rise of steam engines and water wheels represented the first generation of industry,which is now called Industry Citation:***,***,***,***,***,***,***,***,***,***,***,Q.-***,and F.-***,“Automation 5.0:The key to systems intelligence and Industry 5.0,”IEEE/CAA ***,vol.11,no.8,pp.1723-1727,Aug.2024.

关键词： Automation machinery intelligence

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Advances in Intermediates for the Solution-Processing of Perovskite Films

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CCS Chemistry 2024年第3期6卷 585-603页

作者： Ziqiu Ren Binyang Tuo na wang Junjie Ma Pengwei Li Yiqiang Zhang Yanlin Song Henan Institute of Advanced Technology College of ChemistryZhengzhou UniversityZhengzhou 450052 Key Laboratory of Green Printing Institute of ChemistryChinese Academy of Sciences(ICCAS)Beijing Engineering Research Center of Nanomaterials for Green Printing TechnologyNational Laboratory for Molecular Sciences(BNLMS)Beijing 100190

Owing to its superior efficiency and low cost,the solution-processable perovskite has rapidly become the latest favorite material in the field of *** solution processing significantly reduces the threshold and cost of perovskite solar cells,the intricate composition and nonequilibrium nucleation of the perovskite precursor can result in leaky *** precise control of perovskite nucleation and orientation is a fundamental prerequisite for achieving high-quality perovskite photoactive *** this process,the intermediate species that widely exists either in the precursor or the asprepared film acts as a transitional state for perovskite nucleation and growth from solution to solid,presenting an opportunity for controlling perovskite ***,we present an overview of the advancements in intermediates for solution-processing perovskite films to gain insights into the growth and manipulation of polycrystalline perovskite films.

关键词： perovskite solar cells intermediates solvent engineering phase transformation nucleation and growth

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Critical Role of Ethylene-Propylene Block Copolymer in Impact Polypropylene Copolymer

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Chinese Journal of Polymer Science 2024年第3期42卷 344-351,I0007页

作者： Yu-Hui Tang na Zhang Wei Bao Wei Jiang Yuan Lin Zhao-Hui Su State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei 230026China

Ethylene-propylene block copolymer(EbP) is a vital component in impact polypropylene copolymer(IPC), yet its distribution in the multiphase composite material and how it influences the phase structure and the mechanical properties are not well understood. In this work,four IPCs were investigated by atomic force microscopy-infrared(AFM-IR) to assess the phase compositions in situ, based on which in conjunction with the chain microstructure information obtained ex situ the distributions of the copolymer components were derived for each alloy. For the IPCs whose EbP comprises long P and long E segments, the EbP fraction was found to phase separate from the rubber and the PP matrix to form the cores of the disperse particles with the E-P segmented copolymer(EsP). In contrast, in the IPC with EbP composed of long P and short E segments, the EbP fraction formed an outer shell for the rubber particles with the cores comprising the EsP alone, and this IPC, containing a lower E comonomer content than its counterpart, exhibited both better impact resistance and higher flexural modulus. These results clarify how the chain structure of EbP governs the phase morphology in IPC, which in turn impacts the properties of the composite material.

关键词： Impact polypropylene copolymers AFM-IR Ethylene-propylene block copolymers Core-shell rubber particles

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Incubation temperature induced developmental plasticity of cold responsive physiological phenotypes in Japanese Quails

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Avian Research 2024年第3期15卷 385-394页

作者： Yingxin Kou Rongmiao Zhang Xiaoqian Li na Zhu Yihang Huang Shuping Zhang College of Life and Environmental Sciences Minzu University of ChinaBeijing100081China

Embryonic development is a critical period for phenotype *** variation during embryonic development can induce changes in postnatal phenotypes of *** thyroxine secretion and aerobic metabolic activity of small birds are important phenotypes closely related to their winter *** the context of climate change,it is necessary to determine whether temperature variation during incubation in birds leads to developmental plasticity of these cold responsive *** incubated Japanese Quail(Coturnix japonica)eggs at 36.8℃,37.8℃,and 38.8℃,and raised the chicks to 35-day old at 22℃with same raising conditions,then all the quails were exposed to gradually temperature dropping environment(from 15℃to 0℃).After cold treatment,serum T3 level,resting metabolic rate,skeletal muscle and liver metabolomes of the birds were *** serum T3 levels were significantly lower in the 38.8℃group and significantly higher in the 36.8℃group compared to the 37.8℃*** metabolic rate in the 38.8℃group was significantly lower compared to the 37.8℃*** with the 37.8℃group,metabolites involved in the tricarboxylic acid cycle in the liver were significantly lower in the 38.8℃group,and metabolites related to lipid oxidation metabolism and fatty acid biosynthesis were significantly lower in the skeletal muscles in the 38.8℃group but significantly higher in the 36.8℃*** results indicate that incubation temperature variation can lead to developmental plasticity in cold responsive physiological *** incubation temperature may impair the capacity of birds coping with cold challenge.

关键词： Cold response Developmental plasticity Incubation temperature Metabolic rate Metabolomes Precocial bird Thyroxin

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Ginsenoside Rd Induces Differentiation of Myeloid Leukemia Cells via Regulating ERK/GSK-3βSignaling Pathway

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Chinese Journal of Integrative Medicine 2024年第7期30卷 588-599页

作者： JIANG Yu-xia ZHAO Yan-na YU Xiao-ling YIN Li-ming Department of Hematology Tongde Hospital of Zhejiang ProvinceHangzhou310012China Institute of Hematology Research the First Affiliated Hospital of Zhejiang Chinese Medical University(Zhejiang Provincial Hospital of Chinese Medicine)Hangzhou310006China

Objective To investigate the role of ginsenoside Rd(GRd)in acute myeloid leukemia(AML)cell *** AML cells were treated with GRd(25,50,100 and 200µg/mL),retinoic acid(RA,0.1g/L)and PD98059(20 mg/mL)for 72 h,cell survival was detected by methylthiazolyldiphenyl-tetrazolium bromide and colony formation assays,and cell cycle was detected by flow *** morphology and differentiation were observed by Wright-Giemsa staining,peroxidase chemical staining and cellular immunochemistry assay,*** protein expression levels of GATA binding protein 1(GATA-1),purine rich Box-1(PU.1),phosphorylated-extracellular signal-related kinase(p-ERK),ERK,phosphorylated-glycogen synthase kinase-3β(p-GSK3β),GSK3βand signal transducer and activator of transcription 1(STAT1)were detected by Western ***-six mice were randomly divided into 3 groups using a random number table:model control group(non-treated),GRd group[treated with 200 mg/(kg·d)GRd]and homoharringtonine(HTT)group[treated with 1 mg/(kg·d)HTT].A tumor-bearing nude mouse model was established,and tumor weight and volume were *** of subcutaneous tumor tissue were observed after hematoxylin and eosin ***1 and GATA-1 expressions were detected by immunohistochemical *** The cell survival was inhibited by GRd in a dose-dependent manner and GRd caused G0/G1 cell arrest(p<0.05).GRd treatment induced leukemia cell differentiation,showing increased expressions of peroxidase and specific proteins concerning erythrogenic or granulocytic differentiation(p<0.05).GRd treatment elicited upregulation of p-ERK,p-GSK-3βand STAT1 expressions in cells,and reversed the effects of PD98059 on inhibiting the expressions of peroxidase,GATA-1 and PU.1(P<0.05).After GRd treatment,tumor weight and volume of mice were decreased,and tumor cells underwent massive apoptosis and necrosis(P<0.05).WT1 level was decreased,and GATA-1 level was significantly increased in subcutaneous tumor ti

关键词： ginsenoside Rd myeloid leukemia survival differentiation extracellular signal-related kinase signaling pathway

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Neutrophil peptide 1 accelerates the clearance of degenerative axons during Wallerian degeneration by activating macrophages after peripheral nerve crush injury

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Neural Regeneration Research 2024年第8期19卷 1822-1827页

作者： Yuhui Kou Yusong Yuan Qicheng Li Wenyong Xie Hailin Xu na Han Department of Trauma and Orthopedics Peking University People’s HospitalBeijingChina national Center for Trauma Medicine BeijingChina Key Laboratory of Trauma and Neural Regeneration(Peking University) Ministry of EducationBeijingChina Department of Orthopedics China-Japan Friendship HospitalBeijingChina Department of Central Laboratory and Institute of Clinical Molecular Biology Peking University People’s HospitalBeijingChina

Macrophages play an important role in peripheral nerve regeneration,but the specific mechanism of regeneration is still *** preliminary findings indicated that neutrophil peptide 1 is an innate immune peptide closely involved in peripheral nerve ***,the mechanism by which neutrophil peptide 1 enhances nerve regeneration remains *** study was designed to investigate the relationship between neutrophil peptide 1 and macrophages in vivo and in vitro in peripheral nerve crush *** functions of RAW 264.7 cells we re elucidated by Cell Counting Kit-8 assay,flow cytometry,migration assays,phagocytosis assays,immunohistochemistry and enzyme-linked immunosorbent *** debris phagocytosis was observed using the CUBIC(Clear,Unobstructed Brain/Body Imaging Cocktails and Computational analysis)optical clearing technique during Wallerian *** inflammatory factor expression in different polarization states was detected using a protein *** results showed that neutrophil peptide 1 promoted the prolife ration,migration and phagocytosis of macrophages,and CD206 expression on the surfa ce of macrophages,indicating M2 *** axonal debris clearance rate during Wallerian degeneration was enhanced after neutrophil peptide 1 *** peptide 1 also downregulated inflammatory factors interleukin-1α,-6,-12,and tumor necrosis factor-αin invo and in ***,the results suggest that neutrophil peptide 1 activates macrophages and accelerates Wallerian degeneration,which may be one mechanism by which neutrophil peptide 1 enhances peripheral nerve regeneration.

关键词： axonal debris inflammatory factors macrophages neutrophil peptide 1 peripheral nerve injury peripheral nerve regeneration RAW 264.7 cells sciatic nerve Wallerian degeneration

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