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Measurement of the neutron-induced total cross sections of ^(nat)Pb from 0.3 eV to 20 MeV on the Back-n at CSNS

Nuclear Science and Techniques 2024年第2期35卷 85-93页

作者： Jie-Ming Xue Song Feng Yong-Hao Chen Han Yi Min Xiao Pin-Jing Cheng Xin-Xiang Li Rong Liu Yi-Wei Yang Zi-Jie Han Da-Jun Zhao Hao-Qiang Wang Bao-Qian Li Ji-Rong Zhao Lei-Xun Tang Wen Luo Bo Zheng School of Nuclear Science and Technology University of South ChinaHengyang 421001China Institute of High Energy Physics Chinese Academy of Sciences(CAS)Beijing 100049China Spallation Neutron Source Science center Dongguan 523803China Institute of Nuclear Physics and chemistry China Academy of Engineering PhysicsMianyang 621900China

The neutron-induced total cross sections of natural lead have been measured in a wide energy range(0.3 eV-20 MeV)on the back-streaming white neutron beamline(Back-n)at the China Spallation Neutron *** energy was determined by the neutron total cross-section spectrometer using the time-of-flight technique.A fast multi-cell fission chamber was used as the neutron detector,and a 10-mm-thick high-purity natural lead sample was employed for the neutron transmission *** on-beam background was determined using Co,In,Ag,and Cd *** excitation function of ^(nat)Pb(n,tot)reaction below 20 MeV was calculated using the TALYS-1.96 nuclear-reaction modeling *** present results were compared with previous results,the evaluated data available in the five major evaluated nuclear data libraries(i.e.,ENDF/B-VIII.0,JEFF-3.3,JENDL-5,CENDL-3.2,and BROND-3.1),and the theoretical calculation *** agreement was found between the new results and those of previous experiments and with the theoretical curves in the corresponding *** measurement obtained the neutron total cross section of natural lead with good accuracy over a wide energy range and added experimental data in the resonance energy *** provides more reliable experimental data for nuclear engineering design and nuclear data evaluation of lead.

关键词： Neutron-induced total cross section Natural lead Time-of-flight TALYS-1.96 CSNS Back-n white neutron beamline

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RNA-seq analysis of a zebrafish caudal fin cell line in response to infection with spring viraemia of carp virus

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Aquaculture and Fisheries 2024年第2期9卷 181-192页

作者： Wenji Huang Ning Ji Xin Zhao Jiahong Guo Jianhua Feng Kangyong Chen Yaxin Wu Junya Wang Jun Zou Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Ministry of EducationShanghai Ocean UniversityShanghai201306China International Research center for Marine Biosciences Ministry of Science and TechnologyShanghai Ocean UniversityShanghai201306China National Demonstration center for experimental Fisheries Science Education Shanghai Ocean UniversityShanghai201306China Laboratory for Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and TechnologyQingdao266071China

A cell line,termed ZFIN,was established from the caudal fin of zebrafish and was shown to be susceptible to spring viremia of carp virus(SVCV).The ZFIN cells are epithelial like cells and have a moderate plasmid transfection efficiency of 13.9%.Using an RNA-seq approach,differentially expressed genes(DEGs)regulated by SVCV were *** of SVCV gave rise to 3931 DEGs and up-regulated DEGs were mostly enriched into the biological regulation and cellular processes,among which pathways for the type I interferon signaling and the response to exogenous dsRNA were the top two GO *** KEGG signaling pathways including TLR signaling pathway,RLR receptor signaling pathway,cytosolic DNA-sensing pathway,NLR signaling pathway,cytokine-cytokine receptor interaction and ferroptosis were significantly *** genes including ifnφ1,isg15 and mx were significantly *** addition,key DEGs involved in autophagy were *** results indicate that the ZFIN cell line provides a useful in vitro tool for study on the gene functions and cellular responses to viral infection in fish.

关键词： Caudal fin cells SVCV RNA-seq DEGs Innate antiviral response

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Production and characterization of monoclonal antibodies against grass carp CD4-1 and CD4-2

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Aquaculture and Fisheries 2024年第2期9卷 154-163页

作者： Bangjie Wang Yuting Qin Zhaosheng Sun Xiaozhen Zhu Zhao Jia Kangyong Chen Danjie Liu Junya Wang Jun Zou Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Ministry of EducationShanghai Ocean UniversityShanghai201306China International Research center for Marine Biosciences at Shanghai Ocean University Ministry of Science and TechnologyShanghai201306China National Demonstration center for experimental Fisheries Science Education Shanghai Ocean UniversityShanghai201306China Laboratory for Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and TechnologyQingdao266071China

CD4 T helper cells are an important group of cells in the immune system of vertebrates and express CD4 receptor on the cell *** mammals,the CD4 receptor is encoded by a single copy gene,whilst in fish,two copies of cd4 genes,namely cd4-1 and cd4-2,are *** this study,the ectodomains of grass carp(Ctenopharyngodon idella,Ci)CD4-1 and CD4-2 were expressed in the *** cells and used to generate monoclonal antibodies in *** blotting,confocal microscopy and flow cytometry were performed to characterize the monoclonal *** has been shown that the CiCD4-1 and CiCD4-2 monoclonal antibodies had good specificity to react with the recombinant ectodomains of CiCD4-1 and CiCD4-2 expressed in the CHO-S cells and the native CD4 molecules of grass *** CiCD4-1 monoclonal antibody did not recognize CiCD4-2 and verse *** addition,the CD4-1 and CD4-2 monoclonal antibodies specifically recognized the CD4-1 and CD4-2 receptors expressed in the HEK293 cells and native molecules of fish ***,the percentages of lymphocytes in immune tissues of healthy fish were analyzed by flow *** was found that 17.6%of lymphocytes were CD4-1^(+)cells and 22.5%were CD4-2^(+)in the head *** the spleen,13.1%of lymphocytes were CD4-1^(+)and 18.6%were CD4-2^(+)while 7.3%of blood lymphocytes were CD4-1^(+)cells and 8.8%were CD4-2^(+)*** availability of the CD4-1 and CD4-2 monoclonal antibodies provides antibody-based tools for further elucidation of the functions of CD4 T cells in grass carp.

关键词： Grass carp CD4 Monoclonal antibodies Flow cytometry Confocal microscopy

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Characterisation of IL-21 and IL-21Rαin grass carp:IL-21-producing cells are upregulated during Flavobacterium columnare infection

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Aquaculture and Fisheries 2024年第2期9卷 126-135页

作者： Jiawen Xu Junya Wang Qingyu Min Wei Wang Yuting Qin Lina Lei Qian Gao Jun Zou Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources Ministry of EducationShanghai Ocean UniversityShanghai201306China International Research center for Marine Biosciences at Shanghai Ocean University Ministry of Science and TechnologyShanghai201306China National Demonstration center for experimental Fisheries Science Education Shanghai Ocean UniversityShanghai201306China Laboratory for Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and TechnologyQingdao266200China

Interleukin-21(IL-21)is produced mainly by activated CD4^(+)T cells and promotes the proliferation,survival and differentiation of immune *** study characterised a high affinity binding receptor of IL-21(IL-21 Rα)from grass carp(Ctenopharyngodon idella,Ci)and analyzed the expression of CiIL-21 and CiIL-21 Rα.It has been shown that they were modulated by PAMPs and during infection with bacterial and viral *** CiIL-21 protein produced in bacteria was active in inducing the expression of genes involved in Th responses.A monoclonal CiIL-21 antibody was generated against the rCiIL-21 and showed good reactive specificity with the rCiIL-21 proteins expressed in *** cells,and HEK293 T cells and the native protein from PHA-stimulated kidney *** addition,the IL-21-producing cells detected by the CiIL-21 monoclonal antibody were found to be increased to in the kidney,spleen and hindgut after infection with Flavobacterium *** data indicate that IL-21 is involved in the regulation of immune response to bacterial and viral infection.

关键词： IL-21 IL-21Rα Gene expression IL-21-Producing cell Bacterial and viral infection Fish

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The big data challenge-and how polypharmacology supports the translation from pre-clinical research into clinical use against neurodegenerative diseases and beyond

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Neural Regeneration Research 2024年第8期19卷 1647-1648页

作者： Sven Marcel Stefan Muhammad Rafehi Drug Development and Chemical Biology Lübeck Institute of Experimental Dermatology(LIED)University of Lübeck and University Medical Center Schleswig-HolsteinLübeckGermany Department of Pathology Section of NeuropathologyTranslational Neurodegeneration Research and Neuropathology LabUniversity of Oslo and Oslo University HospitalOsloNorway School of Medical Sciences Faculty of Medicine and HealthUniversity of SydneySydneyNSWAustralia Institute of Clinical Pharmacology University Medical Center GöttingenGöttingenGermany Department of Medical Education Augsburg University MedicineAugsburgGermany

Introductory comments:The identification and validation of disease-modifying proteins are fundamental aspects in drug ***,the m ultifactority of n eurodegen era tive diseases poses a real challenge for targeted ***,the behavior of individually(over-)expressed to rget proteins in vitro is likely to differ from their actual functional behavior when embedded in cascades and pathways in vivo.

关键词： translation beyond likely

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Identification and characterization of human hematopoietic mesoderm

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Science China(Life Sciences) 2024年第2期67卷 320-331页

作者： Yuqi Wen Jingjing Zhao Runqing Zhang Fan Liu Xiaoyuan Chen Dan Wu Mengge Wang Cuicui Liu Pei Su Panpan Meng Yiyue Zhang Xin Gao Lu Wang Hongtao Wang Jiaxi Zhou 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 CollegeTianjin 300020China Tianjin Institutes of Health Science Tianjin 301600China CAMS center for Stem Cell Medicine PUMC Department of Stem Cell and Regenerative MedicineTianjin 300020China Division of Cell Developmental and Integrative BiologySchool of MedicineSouth China University of TechnologyGuangzhou 510006China

The embryonic mesoderm comprises heterogeneous cell subpopulations with distinct lineage *** is unclear whether a bias for the human hematopoietic lineage emerges at this early developmental *** this study,we integrated single-cell transcriptomic analyses of human mesoderm cells from embryonic stem cells and embryos,enabling us to identify and define the molecular features of human hematopoietic mesoderm(HM)cells biased towards hematopoietic *** discovered that BMP4 plays an essential role in HM specification and can serve as a marker for HM ***,BMP4 acts as a downstream target of HDAC1,which modulates the expression of BMP4 by deacetylating its *** of HDAC significantly enhances HM specification and promotes subsequent hematopoietic cell *** conclusion,our study identifies human HM cells and describes new mechanisms for human hematopoietic development.

关键词： hematopoietic mesoderm human pluripotent stem cells human embryos BMP4 HDAC1

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A refined deviatoric hardening plastic model for sand

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第7期16卷 2813-2821页

作者： Min Wang Tongming Qu Yuntian Feng Teng Liang Liangtong Zhan MOE Key Laboratory of Soft Soils and Geoenvironmental Engineering Zhejiang UniversityHangzhou310058China Department of Civil and Environmental Engineering Hong Kong University of Science and TechnologyKowloon999077Hong KongChina Zienkiewicz Centre for Computational Engineering College of EngineeringSwansea UniversitySwanseaWalesSA18EPUK center for Hypergravity experimental and Interdisciplinary Research Zhejiang UniversityHangzhou310058China

The classical deviatoric hardening models are capable of characterizing the mechanical response of granular materials for a broad range of degrees of *** work finds that it has limitations in accurately predicting the volumetric deformation characteristics under a wide range of confining/consolidation *** issue stems from the pressure independent hardening law in the classical deviatoric hardening *** overcome this problem,we propose a refined deviatoric hardening model in which a pressure-dependent hardening law is developed based on experimental *** between numerical results and laboratory triaxial tests indicate that the improved model succeeds in capturing the volumetric deformation behavior under various confining/consolidation pressure conditions for both dense and loose ***,to examine the importance of the improved deviatoric hardening model,it is combined with the bounding surface plasticity theory to investigate the mechanical response of loose sand under complex cyclic loadings and different initial consolidation *** is proved that the proposed pressure-dependent deviatoric hardening law is capable of predicting the volumetric deformation characteristics to a satisfactory degree and plays an important role in the simulation of complex deformations for granular geomaterials.

关键词： Elasto-plastic deformation Isotropic hardening Deviatoric plastic strain Granular material Kinematic hardening Bounding surface

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Tumor immunological phenotype-derived gene classification predicts prognosis,treatment response,and drug candidates in ovarian cancer

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Genes & Diseases 2024年第5期11卷 94-97页

作者： Chengbin Guo Yuqin Tang Zhihai Liu a Chuanliang Chen Xun Hu Yongqiang Zhang Guangzhou Women and Children’s Medical center Guangzhou Medical UniversityGuangzhouGuangdong 510623China Clinical Bioinformatics experimental center Henan Provincial People’s HospitalPeople’s Hospital of Zhengzhou UniversityZhengzhouHenan 450003China School of Pharmacy Macao University of Science and TechnologyTaipaMacao 999078China Clinical Research center The Second Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhouZhejiang 310003China Biorepository State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan 610041China West China School of Medicine West China HospitalSichuan UniversityChengduSichuan 610041China

The high recurrence and low responsiveness to immunotherapy make ovarian cancer(OC)the most lethal gynecological *** microenvironment is critical in risk stratification and the discovery of molecular *** developed a prognostic classification for OC,which could also predict the prognosis of other gynecological cancers including breast cancer,endometrial cancer,and cervical *** mutation,hallmark pathways,and immune landscapes were *** analysis of immune checkpoints and multiple immune signatures revealed the low-risk group responds better to immune checkpoint inhibitors,which was validated by an external immunotherapeutic cohort(IMvigor210).Singlecell RNA sequencing(scRNA-seq)confirmed the high expression of SERPINB1 and SERPINB9 in dendritic cells,and AlphaFold2 was used to infer their 3D protein *** molecular compounds binding to SERPINB1/SERPINB9 were predicted by virtual screening.

关键词： prognosis cancer treatment

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Identification of galectin-3 as a novel potential prognostic/predictive biomarker and therapeutic target for cerebral cavernous malformation disease

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Genes & Diseases 2024年第1期11卷 67-71页

作者： Souvik Kar Andrea Perrelli Kiran Kumar Bali Raffaella Mastrocola Arpita Kar Bushra Khan Luis Gand Arnab Nayak Christian Hartmann Wolfram SKunz Amir Samii Helmut Bertalanffy Saverio Francesco Retta International Neuroscience Institute Rudolf-PichlmayrStrasse 4Hannover 30625Germany Department of Clinical and Biological Sciences University of TorinoOrbassano(TO)10043Italy CCM Italia Research Network National Coordination Center at the Department of Clinical and Biological SciencesUniversity of TorinoOrbassano(TO)10043Italy Department of experimental Pain Research Mannheim Center for Translational Neuroscience(MCTN)Medical Faculty MannheimHeidelberg UniversityMannheim 68167Germany Department of Kidney Liver and Metabolic DiseasesChildren’s HospitalHannover Medical SchoolHannover 30625Germany Ricarda-Huch-Street-10B Hannover 30880Germany Institute of Molecular and Cell Physiology Hannover Medical SchoolHannover 30625Germany Department of Neuropathology Institute of PathologyHannover Medical SchoolHannover 30625Germany Institute of experimental Epileptology and Cognition Research and Department of Epileptology University Hospital BonnVenusberg-Campus 1Bonn 53127Germany epartment of Pharmacology and Physiology University of Rochester Medical CenterRochesterNY 14642USA

cerebrovascular disease of genetic origin characterized by abnormally dilated capillaries and a wide spectrum of symptoms,including headaches,seizures,neurological deficits,and intracerebral *** unpredictable clinical course and the current lack of therapies make the identification of prognostic and predictive biomarkers an imperative research challenge.1 Herein,we provide evidence that galectin-3(Gal-3),a major tissue and circulating biomarker of oxidative stress and inflammation,is significantly up-regulated both in CCM patients and ***,wholetranscriptome sequencing,qRT-PCR,and Western blotting studies demonstrated a significant up-regulation of Gal-3 expression levels both in surgical CCM specimens and in blood samples of CCM patients.

关键词： inflammation cerebral dilated

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Bioinspired mineral-in-shell nanoarchitectonics:Functional empowerment of mineral precursors for guiding intradentinal mineralization

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Nano Research 2024年第5期17卷 4338-4349页

作者： Xiaoran Zheng Yang Liu Mingjing Li Yuyan Li Wanshan Gao Rongmin Qiu Jiaqi Xing Jiaojiao Yang Yantao Chen Xinyuan Xu Mingming Ding Jun Luo Jianshu Li College of Polymer Science and Engineering State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610065China College of Stomatology Hospital of Stomatology Guangxi Medical UniversityGuangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and ReconstructionGuangxi Clinical Research Center for Craniofacial DeformityGuangxi Key Laboratory of Oral and Maxillofacial Surgery Disease TreatmentGuangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious DiseasesNanning 530021China State Key Laboratory of Oral Diseases West China Hospital of StomatologySichuan UniversityChengdu 610041China Shenzhen Key Laboratory of Environmental chemistry and Ecological Remediation College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060China Med-X center for Material Sichuan UniversityChengdu 610041China

Effective mineralization of biological structures poses a significant challenge in hard tissue engineering as it necessitates overcoming geometric complexities and multistep biomineralization *** this regard,we propose“mineral-in-shell nanoarchitectonics”,inspired by the nanostructure of matrix vesicles,which can influence multiple mineralization *** nanostructural design empowers mineral precursors with tailorable properties through encapsulating amorphous calcium phosphate within a multifunctional tannic acid(TA)and silk fibroin(SF)*** bioinspired nanosystem facilitates efficient recruitment of mineral precursors throughout the dentin structures,followed by large-scale intradentinal mineralization both in vitro and in vivo,which provides persistent protection against external *** simulations combined with experimental studies attribute the success of intradentinal mineralization to the TA-SF nanoshell,which exhibits a strong affinity for the dentin structure,stabilizing amorphous precursors and thereby facilitating concomitant mineral ***,this bioinspired mineral-in-shell nanoarchitectonics shows a promising prospect for hard tissue repair and serves as a blueprint for next-generation biomineralization-associated materials.

关键词： mineral-in-shell nanohybrids self-assembly biomineralization dentinal tubule occlusion dental hypersensitivity

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