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Characterization of humoral immune responses against SARS-CoV-2 accessory proteins in infected patients and mouse model

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Virologica Sinica 2024年第3期39卷 414-421页

作者： Yuming Li Yanhong Tang Xiaoqian Wang Airu Zhu Dongdong Liu Yiyun He Hu Guo Jie Zheng Xinzhuo Liu Fengyu Chi Yanqun Wang Zhen Zhuang Zhaoyong Zhang Donglan Liu Zhao Chen Fang Li Wei Ran Kuai Yu Dong Wang Liyan Wen Jianfen Zhuo Yanjun Zhang Yin Xi Jingxian Zhao Jincun Zhao Jing Sun School of Public Health Shandong First Medical University&Shandong Academy of Medical SciencesJi'nan250117China key laboratory of Emerging Infectious diseases in Universities of Shandong Shandong First Medical University&Shandong Academy of Medical SciencesJi'nan250117China state key laboratory of respiratory Disease National Clinical Research Center for Respiratory DiseaseNational Center for Respiratory MedicineGuangzhou Institute of Respiratory HealthThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhouGuangdong510182China Hunan Provincial People's Hospital The First Affiliated Hospital of Hunan Normal UniversityHunan Normal UniversityChangsha410005China Guangzhou National laboratory GuangzhouGuangdong510005China Shanghai Institute for Advanced Immunochemical Studies School of Life Science and TechnologyShanghai Tech UniversityShanghai201210China Institute for Hepatology National Clinical Research Center for Infectious DiseaseShenzhen Third People's HospitalThe Second Affiliated HospitalSchool of MedicineSouthern University of Science and TechnologyShenzhen518005China

Severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),the causative agent of COVID-19,encodes several accessory proteins that have been shown to play crucial roles in regulating the innate immune ***,their expressions in infected cells and immunogenicity in infected humans and mice are still not fully *** study utilized various techniques such as luciferase immunoprecipitation system(LIPS),immunofluorescence assay(IFA),and western blot(WB)to detect accessory protein-specific antibodies in sera of COVID-19 *** antibodies to proteins 3a,3b,7b,8 and 9c can be detected by LIPS,but only protein 3a antibody was detected by IFA or *** against proteins 3a and 7b were only detected in ICU patients,which may serve as a marker for predicting disease ***,we investigated the expression of accessory proteins in SARS-CoV-2-infected cells and identified the expressions of proteins 3a,6,7a,8,and *** also analyzed their ability to induce antibodies in immunized mice and found that only proteins 3a,6,7a,8,9b and 9c were able to induce measurable antibody productions,but these antibodies lacked neutralizing activities and did not protect mice from SARS-CoV-2 *** findings validate the expression of SARS-CoV-2 accessory proteins and elucidate their humoral immune response,providing a basis for protein detection assays and their role in pathogenesis.

关键词： SARS-CoV-2 Accessory protein Humoral immune responses COVID-19 Mouse model

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COVID-19 vaccine updates for people under different conditions

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Science China Life Sciences 2024年

作者： Yijiao Huang Weiyang Wang Yan Liu Zai Wang Bin Cao National Center for respiratory Medicine State Key Laboratory of Respiratory Health and Multimorbidity National Clinical Research Center for Respiratory Diseases Institute of Respiratory Medicine Chinese Academy of Medical Sciences Department of Pulmonary and Critical Care Medicine Center of Respiratory Medicine China-Japan Friendship Hospital School of Basic Medical Sciences Tsinghua Medicine Tsinghua University Tsinghua University-Peking University Joint Centre for Life Sciences Tsinghua University Peking Union Medical College Chinese Academy of Medical Sciences Department of Infectious Disease The Affiliated Yantai Yuhuangding Hospital of Qingdao University Institute of Clinical Medical Sciences China-Japan Friendship Hospital Changping laboratory Department of respiratory Medicine Capital Medical University New Cornerstone Science laboratory China-Japan Friendship Hospital

SARS-CoV-2 has caused global waves of infection since December 2019 and continues to persist today. The emergence of SARS-CoV-2variants with strong immune evasion capabilities has compromised the effectiveness of existing vaccines against breakthrough ***, it is important to determine the best utilization strategies for different demographic groups given the variety of vaccine options available. In this review, we will discuss the protective efficacy of vaccines during different stages of the epidemic and emphasize the importance of timely updates to target prevalent variants, which can significantly improve immune protection. While it is recognized that vaccine effectiveness may be lower in certain populations such as the elderly, individuals with chronic comorbidities (e.g., diabetes with poor blood glucose control, those on maintenance dialysis), or those who are immunocompromised compared to the general population,administering multiple doses can result in a strong protective immune response that outweighs potential risks. However, caution should be exercised when considering vaccines that might trigger an intense immune response in populations prone to inflammatory flare or other complications. In conclusion, individuals with special conditions require enhanced and more effective immunization strategies to prevent infection or reinfection, as well as to avoid the potential development of long COVID.

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Trends in respiratory Infectious Pathogens in Children Under the Age of 14—Xiamen City,Fujian Province,China,2017-2023

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China CDC weekly 2024年第8期6卷 143-147页

作者： Jiali Cao Jie Pan Xiaoqing Yang Jumei Liu Min Zhu Zeyu Zhao Ling Chen Tianmu Chen Huiming Ye Department of laboratory Medicine Fujian Key Clinical Specialty of Laboratory MedicineWomen and Children’s HospitalSchool of MedicineXiamen UniversityXiamen CityFujian ProvinceChina state key laboratory of Vaccines for Infectious diseases Xiang An Biomedicine LaboratorySchool of Public HealthXiamen UniversityXiamen CityFujian ProvinceChina Department of Pediatrics Women and Children's HospitalSchool of MedicineXiamen UniversityXiamen CityFujian ProvinceChina

Summary What is already known about this topic?respiratory infections pose a significant burden on public *** recent outbreaks occurring in various locations,there is limited information available on the prevalence tr... 详细信息

关键词： Xiamen spite Fujian

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Strategies for the development and approval of COVID-19 vaccines and therapeutics in the post-pandemic period

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Signal Transduction and Targeted Therapy 2024年第1期9卷 19-35页

作者： Danyi Ao Xuemei He Jian Liu Li Xu state key laboratory of Biotherapy West China HospitalSichuan University610041 SichuanPeople’s Republic of China

The spread of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)has resulted in significant casualties and put immense strain on public health systems worldwide,leading to economic recession and social *** response,various prevention and control strategies have been implemented globally,including vaccine and drug development and the promotion of preventive *** these strategies has effectively curbed the transmission of the virus,reduced infection rates,and gradually restored normal social and economic ***,the mutations of SARS-CoV-2 have led to inevitable infections and reinfections,and the number of deaths continues to ***,there is still a need to improve existing prevention and control strategies,mainly focusing on developing novel vaccines and drugs,expediting medical authorization processes,and keeping epidemic *** measures are crucial to combat the Coronavirus disease(COVID-19)pandemic and achieve sustained,long-term prevention,management,and disease ***,we summarized the characteristics of existing COVID-19 vaccines and drugs and suggested potential future directions for their ***,we discussed the COVID-19-related policies implemented over the past years and presented some strategies for the future.

关键词： prevention sustained approval

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Adaptive Fourier Decomposition of the First Three SARS-CoV-2 Infection Waves with Epidemic Intervention—London,UK,2020-2022

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China CDC weekly 2024年第21期6卷 478-486,I0006-I0008页

作者： Zige Liu Guibin Lu Cheokieng Vong Zhiqi Zeng Wei He Zhijie Lin Cuiyun Lin Kaichin Hsieh Zifeng Yang Arlindo L.Oliveira Chitin Hon Department of Engineering Science Faculty of Innovation EngineeringMacao University of Science and TechnologyMacao SARChina Queen Ethelburga’s Collegiate Thorpe Underwood EstateYorkUK state key laboratory of respiratory Disease National Clinical Research Center for Respiratory DiseaseGuangzhou Institute of Respiratory HealthThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou CityGuangdong ProvinceChina respiratory Disease AI laboratory on Epidemic and Medical Big Data Instrument Applications Department of Engineering ScienceFaculty of Innovation EngineeringMacao University of Science and TechnologyMacao SARChina Guangzhou key laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious diseases KingMed School of Laboratory MedicineGuangzhou Medical UniversityGuangzhou CityGuangdong ProvinceChina Faculty of Innovation Engineering School of Computer Science and EngineeringMacao University of Science and TechnologyMacao SARChina University College London UCL Faculty of Engineering SciencesLondonUK Guangzhou laboratory Guangzhou CityGuangdong ProvinceChina Instituto de Engenharia de Sistemas e Computadores:Investigação e Desenvolvimento em Lisboa LisboaPortugal Instituto Superior Técnico Universidade de LisboaLisboaPortugal

Background:This study provides a detailed analysis of the daily fluctuations in coronavirus disease 2019(COVID-19)case numbers in London from January 31,2020 to February 24,*** primary objective was to enhance understanding of the interactions among government pandemic responses,viral mutations,and the subsequent changes in COVID-19 case ***:We employed the adaptive Fourier decomposition(AFD)method to analyze diurnal changes and further segmented the AFD into novel multi-component groups consisting of one to three *** restructured components were rigorously evaluated using Pearson correlation,and their effectiveness was compared with other signal analysis *** study introduced a novel approach to differentiate individual components across various time-frequency scales using basis decomposition ***:Analysis of London’s daily COVID-19 data using AFD revealed a strong correlation between the“stay at home”directive and high-frequency components during the first epidemic *** indicates the need for sustained implementation of vaccination policies to maintain their ***:The AFD component method provides a comprehensive analysis of the immediate and prolonged impact of governmental policies on the spread of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2).This robust tool has proven invaluable for analyzing COVID-19 pandemic data,offering critical insights that guide the formulation of future preventive and public health strategies.

关键词： offering sustained London

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Docking protein 6 (DOK6) selectively docks the neurotrophic signaling transduction to restrain peripheral neuropathy

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Signal Transduction and Targeted Therapy 2024年第3期9卷 1147-1164页

作者： Yan Guo Pan Xiang Xiaojiao Sun Wei Liu Jiafeng Zhou Bin Yin Lin Hou Boqin Qiang Huiliang Li Pengcheng Shu Xiaozhong Peng Department of Molecular Biology and Biochemistry Institute of Basic Medical SciencesMedical Primate Research CenterNeuroscience CenterChinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijingChina state key laboratory of Common Mechanism Research for Major diseases Beijing 100005China Wolfson Institute for Biomedical Research University College LondonGower StreetLondon WC1E 6BTUK Chinese Institute for Brain Research Beijing 102206China state key laboratory of respiratory Health and Multimorbidity Beijing 100005China Institute of laboratory Animal Science Chinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100021China

The appropriate and specific response of nerve cells to various external cues is essential for the establishment and maintenance of neural circuits,and this process requires the proper recruitment of adaptor molecules to selectively activate downstream ***,we identified that DOK6,a member of the Dok(downstream of tyrosine kinases)family,is required for the maintenance of peripheral axons,and that loss of Dok6 can cause typical peripheral neuropathy symptoms in mice,manifested as impaired sensory,abnormal posture,paw deformities,blocked nerve conduction,and ***,Dok6 is highly expressed in peripheral neurons but not in Schwann cells,and genetic deletion of Dok6 in peripheral neurons led to typical peripheral myelin outfolding,axon destruction,and hindered retrograde axonal ***,DOK6 acts as an adaptor protein for selectivitymediated neurotrophic signal transduction and retrograde transport for TrkC and Ret but not for TrkA and ***6 interacts with certain proteins in the trafficking machinery and controls their phosphorylation,including MAP1B,Tau and Dynein for axonal transport,and specifically activates the downstream ERK1/2 kinase pathway to maintain axonal survival and *** finding provides new clues to potential insights into the pathogenesis and treatment of hereditary peripheral neuropathies and other degenerative diseases.

关键词： impaired restrain peripheral

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OsbZIP53 Negatively Regulates Immunity Response by Involving in Reactive Oxygen Species and Salicylic Acid Metabolism in Rice

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Rice science 2024年第2期31卷 190-202,I0022-I0028页

作者： WU Lijuan HAN Cong WANG Huimei HE Yuchang LIN Hai WANG Lei CHEN Chen E Zhiguo state key laboratory of Rice Biology and Breeding China National Rice Research InstituteHangzhou 310006China Jiangsu key laboratory of Crop Genetics and Physiology/key laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu key laboratory of Crop Genomics and Molecular Breeding/Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops Agricultural College of Yangzhou UniversityYangzhou 225009China

The basic region/leucine zipper(bZIP)transcription factors play important roles in plant development and responses to abiotic and biotic ***53 regulates resistance to Magnaporthe oryzae in rice by analyzing APIP5-RNAi transgenic *** further investigate the biological functions of OsbZIP53,we generated osbzip53 mutants using CRISPR/Cas9 editing and also constructed OsbZIP53 over-expression transgenic *** analysis of phenotypical,physiological,and transcriptional data showed that knocking-out OsbZIP53 not only improved disease resistance by inducing a hypersensitivity response in plants,but also regulated the immune response through the salicylic acid ***,disrupting OsbZIP53 increased H2O2 accumulation by promoting reactive oxygen species generation through up-regulation of several respiratory burst oxidase homologs(Osrboh genes)and weakened H2O2 degradation by directly targeting *** addition,the growth of osbzip53 mutants was seriously impaired,while OsbZIP53 over-expression lines displayed a similar phenotype to the wild type,suggesting that OsbZIP53 has a balancing effect on rice immune response and growth.

关键词： OsbZIP53 hypersensitive response reactive oxygen species metabolism rice immunity salicylic acid transcription factor

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Evolution of chemistry and selection technology for DNA-encoded library

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Acta Pharmaceutica Sinica B 2024年第2期14卷 492-516页

作者： Peixiang Ma Shuning Zhang Qianping Huang Yuang Gu Zhi Zhou Wei Hou Wei Yi Hongtao Xu Shanghai key laboratory of Orthopedic Implants Department of OrthopedicsShanghai Ninth People’s HospitalShanghai Jiao Tong UniversitySchool of MedicineShanghai 200025China Shanghai Institute for Advanced Immunochemical Studies ShanghaiTech UniversityShanghai 201210China Guangzhou Municipal and Guangdong Provincial key laboratory of Molecular Target&Clinical Pharmacology The NMPA and State Key Laboratory of Respiratory DiseaseGuangzhou Medical UniversityGuangzhou 511436China College of Pharmaceutical Science and Institute of Drug Development&Chemical Biology Zhejiang University of TechnologyHangzhou 310014China

DNA-encoded chemical library(DEL)links the power of amplifiable genetics and the nonself-replicating chemical phenotypes,generating a diverse chemical *** analogy with the biological world,the DEL world can evolve by using a chemical central dogma,wherein DNA replicates using the PCR reactions to amplify the genetic codes,DNA sequencing transcripts the genetic information,and DNA-compatible synthesis translates into chemical ***,DNA-compatible synthesis is the key to expanding the DEL chemical ***,the evolution-driven selection system pushes the chemicals to evolve under the selective pressure,i.e.,desired selection *** this perspective,we summarized recent advances in expanding DEL synthetic toolbox and panning strategies,which will shed light on the drug discovery harnessing in vitro evolution of chemicals via DEL.

关键词： DNA-encoded library Drug discovery High-throughput selection DNA-compatible synthesis In vitro evolution Chemical central dogma

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EGFR-mutant non-small cell lung cancer patients harboring CDK4 amplification show favorable response to afatinib:Two case reports

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Chinese Medical Journal 2024年第12期137卷 1465-1467页

作者： Shuting Zhan Bo Cheng Xiwen Liu Jianfu Li Ge Bai Qi Cai Huiting Wang Yang Xiang Chunyan Li Jianxing He Wenhua Liang Department of Thoracic Surgery and Oncology The First Affiliated Hospital of Guangzhou Medical University&Guangzhou Institute of Respiratory HealthState Key Laboratory of Respiratory Disease&National Clinical Research Center for Respiratory DiseaseGuangzhouGuangdong 510120China National Center for respiratory Medicine State Key Laboratory of Respiratory DiseaseNational Clinical Research Center for Respiratory DiseasesGuangzhou Institute of Respiratory Health&The First Affiliated Hospital of Guangzhou Medical UniversityGuangzhouGuangdong 510120China Southern Medical University GuangzhouGuangdong 510120China Department of respiratory and Critical Care Medicine The Tenth Affiliated Hospital of Southern Medical UniversityDongguanGuangdong 523108China

To the Editor:Epidermal growth factor receptor tyrosine kinase inhibitors(EGFR-TKIs)show significant efficacy in patients with advanced-stage non-small cell lung cancer(NSCLC)with sensitive EGFR mutations and significantly prolong the survival of these ***,drug resistance emerges in most *** studies indicated that cyclin-dependent kinase 4/6(CDK4/6)gene amplification was one of the resistance mechanisms of the EGFR-TKI osimertinib,weakening its *** options for EGFR-mutant NSCLC patients with CDK4 amplification are limited to add CDK4 inhibitors.

关键词： CDK4 NSCLC EGFR

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Sex Disparities in the Association of Blood Pressure Parameters and Arterial Sclerosis Risk

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Biomedical and Environmental Sciences 2024年第7期37卷 795-799页

作者： Dongdong Zhang Weiling Chen Minqi Gu Xi Li Yuying Wu Xueru Fu Ping Tang Fulan Hu Jing Li Xizhuo Sun Dongsheng Hu Ming Zhang Department of General Practice The Affiliated Luohu Hospital of Shenzhen University Medical SchoolShenzhen 518060GuangdongChina Department of Allergy and Clinical Immunology State Key Laboratory of Respiratory DiseaseNational Clinical Research Center for Respiratory DiseaseGuangzhou Institute of Respiratory Healththe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 510120GuangdongChina Department of Biostatistics and Epidemiology School of Public HealthShenzhen University Medical SchoolShenzhen 518060GuangdongChina

Cardiovascular disease(CVD)is the leading cause of death worldwide[1].Arterial sclerosis(AS)and hypertension are the main risk factors and pathological bases of *** pulse wave velocity(PWV)measurements could reflect early progression of *** on the structure-function properties of the vascular wall and hemodynamics,strong evidence suggests that any increase in blood pressure levels can mechanically impair the ability of the endothelium to maintain vascular homeostasis[2].High levels of blood pressure parameters,such as systolic blood pressure(SBP),diastolic blood pressure(DBP),pulse pressure(PP),and mean arterial pressure(MAP)have been identified as essential risk biomarkers for atherosclerosis.

关键词： Blood Arterial atherosclerosis

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