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Function investigation of p11.5 in ASFV infection

Virologica Sinica 2024年第3期39卷 469-477页

作者： Dan yin Bin Shi Renhao Geng yingnan Liu Lang Gong Hongxia Shao Kun Qian Hongjun Chen Aijian qin Ministry of Education Key Laboratory for Avian Preventive Medicine Yangzhou UniversityJiangsu 225009China Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses Jiangsu 225009China Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China Jiangsu 225009China Shanghai Veterinary Research Institute CAASShanghai200241China South China Agricultural University Guangzhou 510642China

Virus replication relies on complex interactions between viral *** the case of African swine fever virus(ASFV),only a few such interactions have been identified so *** this study,we demonstrate that ASFV protein p72 interacts with p11.5 using co-immunoprecipitation and liquid chromatography-mass spectrometry(LC-MS).It was found that protein p72 interacts specifically with p11.5 at sites amino acids(aa)1–216 of p72 and aa 1–68 of *** assess the importance of p11.5 in ASFV infection,we developed a recombinant virus(ASFVGZΔA137R)by deleting the A137R gene from the ASFVGZ *** with ASFVGZ,the infectious progeny virus titers of ASFVGZΔA137R were reduced by approximately 1.0 *** addition,we demonstrated that the growth defect was partially attributable to a higher genome copies-to-infectious virus titer ratios produced in ASFVGZΔA137R-infected MA104 cells than in those infected with *** finding suggests that MA104 cells infected with ASFVGZΔA137R may generate larger quantities of noninfectious ***,we found that p11.5 did not affect virus-cell binding or ***,we show for the first time the interaction between ASFV p72 and *** results effectively provide the relevant information of the p11.5 *** results extend our understanding of complex interactions between viral proteins,paving the way for further studies of the potential mechanisms and pathogenesis of ASFV infection.

关键词： African swine fever virus p72 protein p11.5 protein Protein interactions

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Mechanical Janus lattice with plug-switch orientation

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Theoretical & Applied Mechanics Letters 2024年第1期14卷 23-26页

作者： Yupei Zhang Jiawei Zhong Zhengcai zhao Ruiyu Bai Yanqi yin Yang Yu Bo Li State Key Laboratory for Manufacturing System EngineeringShaanxi Key Laboratory of Intelligent Robots School of Mechanical Engineering Xi’an Jiaotong UniversityXi’an 710049China Qian Xuesen Honors College Xi’an Jiaotong UniversityXi’an 710049China

In recent years,materials with asymmetric mechanical response properties(mechanical Janus materials)have been found possess numerous potential applications,*** absorption and vibration *** this study,we propose a novel mechanical Janus lattice whose asymmetric mechanical response can be switched in orientation by a *** finite element analysis and experimental verification,this lattice exhibits asymmetric displacement responses to symmetric ***,with such a plug structure inside,individual lattices can switch the orientation of asymmetry and thus achieve reprogrammable design of a mechanical structure with chained *** reprogrammable asymmetry of this material will offer multiple functions in design of mechanical metamaterials.

关键词： Janus Non-reciprocity Programmability Mechanical metamaterial

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Erratum to:Aberrant dynamic functional connectivity of thalamocortical circuitry in major depressive disorder

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第9期25卷 801-802页

作者： Weihao ZHENG qin ZHANG Ziyang zhao Pengfei ZHANG Leilei zhao Xiaomin WANG Songyu YANG Jing ZHANG Zhijun YAO Bin HU Gansu Provincial Key Laboratory of Wearable Computing School of Information Science and EngineeringLanzhou UniversityLanzhou730000China Second Clinical School Lanzhou UniversityLanzhou730030China Department of Magnetic Resonance Lanzhou University Second HospitalLanzhou730030China Gansu Province Clinical Research Center for Functional and Molecular Imaging Lanzhou730030China School of Medical Technology Beijing Institute of TechnologyBeijing100081China CAS Center for Excellence in Brain Science and Intelligence Technology Shanghai Institutes for Biological SciencesChinese Academy of SciencesShanghai200031China Joint Research Center for Cognitive Neurosensor Technology of Lanzhou University&Institute of Semiconductors Chinese Academy of SciencesLanzhou730000China

The article(Zheng et al.,2024)unfortunately contained a mistake:in Table 3,four"I"elements in the last"LF in thalamus"column are *** four arrows should be"↑"in the following correctversion of Table3.

关键词： connectivity mistake dynamic

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Control of defensive behavior by the nucleus of Darkschewitsch GABAergic neurons

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National Science Review 2024年第4期11卷 70-83页

作者： Huiying zhao Jinrong Liu Yujin Shao Xiang Feng Binhan zhao Li Sun Yijun Liu Linghui Zeng Xiao-ming Li Hongbin Yang Shumin Duan Yan-qin Yu Department of Neurology of Second Affiliated Hospital and School of Brain Science and Brain Medicine Zhejiang University School of Medicine Nanhu Brain-Computer Interface Institute Liangzhu Laboratory MOE Frontier Science Center for Brain Science and Brain-Machine Integration State Key Laboratory of Brain-Machine Intelligence Zhejiang University NHC and CAMS Key Laboratory of Medical Neurobiology Zhejiang University Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province School of Medicine Hangzhou City University

The nucleus of Darkschewitsch(ND), mainly composed of GABAergic neurons, is widely recognized as a component of the eye-movement controlling system. However, the functional contribution of ND GABAergic neurons(NDGABA) in animal behavior is largely unknown. Here, we show that NDGABA neurons were selectively activated by different types of fear stimuli, such as predator odor and foot *** and chemogenetic manipulations revealed that NDGABA neurons mediate freezing ***, using circuit-based optogenetic and neuroanatomical tracing methods, we identified an excitatory pathway from the lateral periaqueductal gray(l PAG) to the ND that induces freezing by exciting ND inhibitory outputs to the motor-related gigantocellular reticular nucleus, ventral part(Gi V). Together,these findings indicate the NDGABA population as a novel hub for controlling defensive response by relaying fearful information from the l PAG to Gi V, a mechanism critical for understanding how the freezing behavior is encoded in the mammalian brain.

关键词： nucleus of Darkschewitsch GABAergic population defensive behavior freezing neural circuitry

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Solid-state atomic hydrogen as a broad-spectrum RONS scavenger for accelerated diabetic wound healing

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National Science Review 2024年第2期11卷 196-206页

作者： Man Luo qin Wang Gang zhao Wei Jiang Cici Zeng qingao Zhang Ruyu Yang Wang Dong Yunxi zhao Guozhen Zhang Jun Jiang Yucai Wang qing Zhu Key Laboratory of Precision and Intelligent Chemistry School of Chemistry and Materials Science University of Science and Technology of China Department of Radiology The First Affiliated Hospital of University of Science and Technology of China Division of Life Sciences and Medicine University of Science and Technology of China Shenzhen Senior High School Institute of Intelligent Innovation Henan Academy of Sciences

Hydrogen therapy shows great promise as a versatile treatment method for diseases associated with the overexpression of reactive oxygen and nitrogen species（RONS）. However, developing an advanced hydrogen therapy platform that integrates controllable hydrogen release, efficient RONS elimination, and biodegradability remains a giant technical challenge. In this study, we demonstrate for the first time that the tungsten bronze phase H0.53WO3（HWO） is an exceptionally ideal hydrogen carrier, with salient features including temperature-dependent highly-reductive atomic hydrogen release and broad-spectrum RONS scavenging capability distinct from that of molecular hydrogen. Moreover, its unique p H-responsive biodegradability ensures post-therapeutic clearance at pathological sites. Treatment with HWO of diabetic wounds in an animal model indicates that the solid-state atomic H promotes vascular formation by activating M2-type macrophage polarization and anti-inflammatory cytokine production, resulting in acceleration of chronic wound healing. Our findings significantly expand the basic categories of hydrogen therapeutic materials and pave the way for investigating more physical forms of hydrogen species as efficient RONS scavengers for clinical disease treatment.

关键词： atomic hydrogen RONS scavenger inflammatory regulation diabetic wound healing hydrogen therapy

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Unresolved Excess Accumulation of Myelin-Derived Cholesterol Contributes to Scar Formation after Spinal Cord Injury

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Research 2024年第1期2023卷 17-32页

作者： Bolin Zheng Yijing He Shuai yin Xu Zhu qing zhao Huiyi Yang zhaojie wang Rongrong Zhu Liming Cheng Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration Ministry of EducationDepartment of OrthopedicsTongji HospitalSchool of MedicineTongji UniversityShanghai 200092China Frontier Science Center for Stem Cell Research School of Life Science and TechnologyTongji UniversityShanghai 200092China Clinical Center for Brain and Spinal Cord Research Tongji UniversityShanghai 200092China

Spinal cord injury triggers complex pathological cascades,resulting in destructive tissue damage and incomplete tissue *** formation is generally considered a barrier for regeneration in the central nervous ***,the intrinsic mechanism of scar formation after spinal cord injury has not been fully ***,we report that excess cholesterol accumulates in phagocytes and is inefficiently removed from spinal cord lesions in young adult ***,we observed that excessive cholesterol also accumulates in injured peripheral nerves but is subsequently removed by reverse ***,preventing reverse cholesterol transport leads to macrophage accumulation and fibrosis in injured peripheral ***,the neonatal mouse spinal cord lesions are devoid of myelin-derived lipids and can heal without excess cholesterol *** found that transplantation of myelin into neonatal lesions disrupts healing with excessive cholesterol accumulation,persistent macrophage activation,and *** internalization suppresses macrophage apoptosis mediated by CD5L expression,indicating that myelin-derived cholesterol plays a critical role in impaired wound *** together,our data suggest that the central nervous system lacks an efficient approach for cholesterol clearance,resulting in excessive accumulation of myelin-derived cholesterol,thereby inducing scar formation after injury.

关键词： healing Spinal impaired

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Effect of the Filling Liquid Ratio on the Thermal Performance of a Novel Thermal Diode with Wick

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Journal of Thermal Science 2024年第2期33卷 396-407页

作者： LI Zhiyong MING Tingzhen ZHANG Heyu zhao Sitong WANG qinggang CAI Cunjin yin Kui FANG Yueping WU Yongjia School of Civil Engineering and Architecture Wuhan University of TechnologyWuhan430070China Sanya Science and Education Innovation Park Wuhan University of TechnologySanya572004China Deparment of Four Station Logistics AcademyXuzhou221000China School of Energy Construction and EnvironmentCoventry UniversityPriory StreetCoventryCV15FBUK

The application of thermal diodes,which allow heat to flow more readily in one direction than the other,is an important way to reduce energy consumption in buildings and enhance the battery heat dissipation of electric *** on various factors including the specific design,materials used,and operating conditions,the convective thermal diode can exhibit the best thermal rectification effect in intended applications compared to the other thermal *** this study,a novel convective thermal diode with a wick was proposed based on the phase change heat transfer *** design takes advantage of both capillary forces provided by the wick and gravity to achieve enhanced unidirectional heat transfer performance for the designed convective thermal *** effect of the filling liquid ratio on the thermal performance of the thermal diode was experimentally investigated,which was in good agreement with the theoretical *** research findings showed that with an optimal liquid filling ratio of 140%,the thermal diode with a wick can achieve a better thermal rectification ratio when subjected to a lower heating power,and the maximum thermal rectification ratio of 21.76 was experimentally achieved when the heating power of the thermal diode was 40 W.

关键词： filling liquid ratio thermal diode wick structure gravity

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Photometric Analysis for Asteroid(81)Terpsichore using Convex Inversion and Phase Function Fitting Methods

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Research in Astronomy and Astrophysics 2024年第6期24卷 201-208页

作者： Ao Wang Xiaobin Wang Xiaoyun Xu Longhua qin Quangui Gao Huaizhen Li Yong Xiao Hairu zhao Department of Physics Yuxi Normal UniversityYuxi 653100China Yunnan Observatories Chinese Academy of SciencesKunming 650216China Key Laboratory for the Structure and Evolution of Celestial Objects Chinese Academy of SciencesKunming 650216China University of Chinese Academy of Sciences Beijing 100049China

The shapes and rotation states(periods and pole orientations)of main-belt asteroids are important for understanding their formation and *** order to obtain sufficient photometric data covering different apparitions for asteroid(81)Terpsichore,ground-based photometric observations in 2020 and 2021 were carried *** combining published and newly obtained photometric data,we calculated the shape and spin parameters for(81)Terpsichore using the convex inversion *** this method,we have derived a best fitted pole orientation—(22.2±_(3.1)^(3.3°),17.5±_(5.5)^(10.8°))with a spin period of 10.94±_(0.01)^(0.01)*** on the derived convex shape of(81)Terpsichore,we have fitted the H,G+1,G_(2)phase function using the calibrated TESS data and Gaia data after accounting for the lightcurve amplitude *** a result,we have derived its absolute magnitude H=8.68±_(0.19)^(0.22)mag with corresponding phase function parameters G_(1)=0.82±_(0.10)^(0.09)and G_(2)=0.02±_(0.02)^(0.03).

关键词： asteroids:general minor planets asteroids:individual(Terpsichore) techniques:photometric

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Effect of Artificial Cooling Extrusion on Microstructure and Mechanical Properties of Mg–Zn–Y Alloys

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Acta Metallurgica Sinica(English Letters) 2024年第7期37卷 1115-1127页

作者： Qi-Yu Liao Da-Zhi zhao Qi-Chi Le Wen-Xin Hu Yan-Chao Jiang Wei-Yang Zhou Liang Ren Dan-Dan Li zhao-Yang yin School of Materials Science and Engineering Northeastern UniversityShenyang110819China Key Laboratory of Electromagnetic Processing of Materials Ministry of EducationNortheastern UniversityShenyang110819China Key Laboratory of Lightweight Structural Materials Liaoning ProvinceNortheastern UniversityShenyang110819China Baotou Research Institute of Rare Earths Baotou014000China

Microstructure and mechanical properties of Mg–Zn–Y alloys with different Zn/Y atomic ratios with or without artificial cooling (AC) extrusion were systematically investigated in this work. The results show that bimodal microstructure consisting of submicron dynamic recrystallized (DRXed) grains with high fraction of low-angle grain boundaries (LAGBs) and elongated unDRXed grains was formed in Mg_(98.7)Zn_(1)Y_(0.3) alloy with AC extrusion. The AC process effectively limits the growth of precipitated phases, and large amount of nanoscale precipitates were dynamically precipitated during the extrusion process. AC extrusion could effectually refine the lamellar 14H LPSO phases and inhibit the transition from stacking faults to LSPO phases in Mg_(98)Zn_(1)Y_(1) alloy and the narrow LPSO phase in Mg_(98)Zn_(1)Y_(1)-AC alloy which could promote the nucleation of DRXed grains. The AC extrusion significantly improves the strength of Mg–Zn–Y alloys. Owing to AC extrusion, the strength improvement of Mg_(98.7)Zn_(1)Y_(0.3) alloy is mainly attributed to fine grain strengthening, dislocation strengthening, and nano-phases precipitation strengthening. After AC process, more fine grains and nano-phases jointly strengthen the Mg_(98)Zn_(1)Y_(1) alloy. The Mg_(98)Zn_(1)Y_(1) alloy obtains optimal mechanical properties after extrusion at 623 K, with ultimate tensile strength (UTS) of 406 MPa, yield strength (YS) of 388 MPa, and elongation (EL) of 5.6%.

关键词： Mg-Zn-Y Artificial cooling Extrusion Microstructure Mechanical properties

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CircPTEN-MT from PTEN regulates mitochondrial energy metabolism

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Journal of Genetics and Genomics 2024年第5期51卷 531-542页

作者： Danhui Ruan Jiancheng Xu Yang Liu Juan Luo Xuyang zhao Yuhua Li Guangxi Wang Jiawen Feng Hui Liang Yue yin Jianyuan Luo Yuxin yin Institute of Systems Biomedicine Department of PathologySchool of Basic Medical SciencesBeijing Key Laboratory of Tumor Systems BiologyPeking University International Cancer InstitutePeking-Tsinghua Center of Life SciencesPeking University Health Science CenterBeijing 100191China Institute of Precision Medicine Peking University Shenzhen HospitalShenzhenGuangdong 518036China Department of Pharmacology School of Basic Medical SciencesPeking University Health Science CenterBeijing 100191China Department of Medical Genetics Center for Medical GeneticsSchool of Basic Medical SciencesPeking University Health Science CenterBeijing 100191China Soochow University Cancer Institute SuzhouJiangsu 215127China

Phosphatase and tensin homolog(PTEN)is a multifunctional gene involved in a variety of physiological and pathological *** RNAs(circRNAs)are generated from back-splicing events during mRNA processing and participate in cell biological processes through binding to RNAs or ***,PTEN-related circRNAs are largely ***,we report that circPTEN-mitochondria(MT)(hsa_circ_0002934)is a circular RNA encoded by exons 3,4,and 5 of PTEN and is a critical regulator of mitochondrial energy ***-MT is localized to mitochondria and physically associated with leucine-rich pentatricopeptide repeat-containing protein(LRPPRC),which regulates posttranscriptional gene expression in *** down circPTEN-MT reduces the interaction of LRPPRC and steroid receptor RNA activator(SRA)stem-loop interacting RNA binding protein(SLIRP)and inhibits the polyadenylation of mitochondrial mRNA,which decreases the mRNA level of the mitochondrial complex I subunit and reduces mitochondrial membrane potential and adenosine triphosphate *** data demonstrate that circPTEN-MT is an important regulator of cellular energy *** study expands our understanding of the role of PTEN,which produces both linear and circular RNAs with different and independent functions.

关键词： Circular RNA LRPPRC Mitochondrial energy metabolism mtDNA post-transcriptional regulation

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