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Epidemiological Characteristics of Human Parainfluenza Viruses Infections-China,2019-2023

China CDC weekly 2024年第12期6卷 235-241,I0003,I0004页

作者： Yixuan Gao Yingwei Ma Daxing Feng Feng Zhang Biao Wang Xiaoqing Liu Bing Zhu Hui Xie Linqing Zhao Xiaoru Long Ying Chen Bing Wang Jie Jiang Zhen Zhu Yan Zhang Aili Cui Baicheng Xia Naiying Mao National key laboratory of Intelligent Tracking and Forecasting for Infectious diseases National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina Precision Medicine Research Center Children’s Hospital of ChangchunChangchun CityJilin ProvinceChina Henan Provincial Center for Disease Control and Prevention Zhengzhou CityHenan ProvinceChina laboratory of viral diseases Qingdao Municipal Centre for Disease Control and PreventionQingdao CityShandong ProvinceChina Virus laboratory Gansu Provincial Center for Disease Control and PreventionLanzhou CityGansu ProvinceChina Jiangxi Provincial Center for Disease Control and Prevention Nanchang CityGansu ProvinceChina Virus laboratory Guangzhou Women and Children’s Medical CenterGuangzhou Medical UniversityGuangzhou CityGuangdong ProvinceChina Institute for Immunization and Prevention Beijing Center for Disease Prevention and ControlAcademy for Preventive MedicineInstitute of Tuberculosis Control Research and PreventionBeijingChina laboratory of virology Beijing Key Laboratory of Etiology of Viral Diseases in ChildrenCapital Institute of PediatricsBeijingChina Department of Infection Children’s Hospital of Chongqing Medical UniversityChongqingChina Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention Hohhot CityInner Mongolia Autonomous RegionChina Shenyang Prefecture Center for Disease Control and Prevention Shenyang CityLiaoning ProvinceChina

Introduction:A retrospective study based on sentinel surveillance was conducted in 10 provinciallevel administrative divisions(PLADs)in China to enhance the understanding of the epidemiological characteristics of human parainfluenza viruses(HPIVs).Methods:From January 2019 to June 2023,respiratory specimens were collected from individuals with acute respiratory infections(ARIs)and screened for four HPIVs serotypes and other common respiratory viruses using multiplex real-time polymerase chain reaction(PCR).This study analyzed the association of HPIVs infections with seasonal patterns,geographical distribution,demographic profiles,clinical features,and co-infection ***:During the study period,a total of 12,866 ARIs were *** overall detection rate of HPIVs was 6.15%,varying from 5.04%in 2022 to 9.70%in *** median age of HPIVs-infected patients was 3 ***2 was more prevalent among individuals aged 5–17 years(42.57%),while HPIV4 was more common in those over 65 years(12.24%).HPIV3(54.16%)and HPIV1(27.18%)were the predominant serotypes,and their prevalence exhibited significant seasonal fluctuations postcoronavirus disease 2019(COVID-19)*** peak of HPIV3 shifted three months later in 2020 compared to 2019 and returned to a summer peak *** peaks of HPIV1 were observed in 2021 following the peak of ***,coinfections were frequent in HPIVs cases(overall rate:22.12%),with human rhinovirus being the most common co-infecting ***:The prevalence of HPIVs in China was predominantly due to HPIV3 and HPIV1,and their seasonal patterns were altered by pandemic ***,continuous surveillance of HPIVs is essential.

关键词： prevalence seasonal Human

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RNA viromes of Dermacentor nuttalli ticks reveal a novel uukuvirus in Qinghai Province,China

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Virologica Sinica 2024年第4期39卷 537-545页

作者： Yaohui Fang Jun Wang Jianqing Sun Zhengyuan Su Shengyao Chen Jian Xiao Jun Ni Zhihong Hu Yubang He Shu Shen Fei Deng key laboratory of Special Pathogens and Biosafety and National Virus Resource Center Wuhan Institute of VirologyChinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 101408China Qinghai Lake National Nature Reserve Administration Xining 810000China Hubei Jiangxia laboratory Wuhan 430200China Xinjiang key laboratory of Vector-borne Infectious diseases Urumqi830002China

Ticks are a major parasite on the Qınghai-Tibet Plateau,western China,and represent an economic burden to agriculture and animal *** research on tick-borne pathogens that threaten humans and animals,the viromes of dominant tick species in this area remain *** this study,we collected Dermacentor nuttalli ticks near Qınghai Lake and identified 13 viruses belonging to at least six families through metagenomic *** viruses were of high abundance in pools,including Xınjiang tick-associated virus 1(XJTAV1),and three novel viruses:Qınghai Lake virus 1,Qınghai Lake virus 2(QHLV1,and QHLV2,unclassified),and Qınghai Lake virus 3(QHLV3,genus Uukuvirus of family Phenuiviridae in order Bunyavirales),which lacks the M *** minimum infection rates of the four viruses in the tick groups were 8.2%,49.5%,6.2%,and 24.7%,respectively,suggesting the prevalence of these viruses in *** ticks.A putative M segment of QHLV3 was identified from the next-generation sequencing data and further characterized for its signal peptide cleavage site,N-glycosylation,and transmembrane ***,we probed the L,M,and S segments of other viruses from sequencing data of other tick pools by using the putative M segment sequence of *** revealing the viromes of *** ticks,this study enhances our understanding of tick-borne viral communities in highland *** putative M segment identified in a novel uukuvirus suggests that previously identified uukuviruses without M segments should have had the same genome organization as typical *** findings will facilitate virus discovery and our understanding of the phylogeny of tick-borne uukuviruses.

关键词： Dermacentor nuttalli Qınghai Province Virome Uukuvirus M segment

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Differential Transcriptional Responses in Corneal and Lung Epithelial Cells to Seasonal Influenza With Potential Function of LGALS9

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Infectious Microbes & diseases 2024年第3期6卷 141-151页

作者： Yang Han Ting Zhang Dan Bai Changcheng Wu Beiwei Ye Jianfang Zhou Yingze Zhao George F.Gao Jun Liu National Clinical Research Center for Ocular diseases Eye HospitalWenzhou Medical UniversityWenzhouChina State key laboratory of Ophthalmology Optometry and Visual ScienceEye HospitalWenzhou Medical UniversityWenzhouChina NHC key laboratory of Biosafety National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and Prevention(China CDC)BeijingChina Collaborative Innovation Centre of Regenerative Medicine and medical BioResource Development and Application Co-constructed by the Province and Ministry Guangxi Medical UniversityNanningChina National key laboratory of Intelligent Tracking and Forecasting for Infectiousdiseases(NITFID) National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina CAS key laboratory of Pathogen Microbiology and Immunology Institute of MicrobiologyChinese Academy of SciencesBeijingChina

Seasonal flu,primarily caused by influenza A H1N1 and H3N2 subtype viruses or influenza B viruses,is the most prevalent respiratory tract infection globally and leads to substantial morbidity andmortality *** the influenza virus being initially recognized as a respiratory pathogenwithwell-characterized transmission through respiratory droplets,its impact on the ocular epithelium and associated gene expression remains relatively *** this study,we investigated the transcriptional profiles of immortalized human corneal epithelial cells(HCE-S)and A549 human lung epithelial cells infected with H1N1 and H3N2 influenza *** comparison with A549 cells,a reduced number of differentially expressed geneswas observed in HCE-S upon influenza virus ***,there was a significant upregulation of the genes IFI44L and OAS1,along with lower release of the CCL5/RANTES ***,our findings revealed uniquely upregulated LGALS9(encoding galectin-9)in HCE-S following infection with the 2009 pandemic H1N1 ***,targeted knockdown of LGALS9 in these cells resulted in a measurable decrease in viral infection,highlighting its role in the cellular responses to influenza virus and suggesting a novel avenue for antiviral ***,our findings provide insight into the distinct mechanisms of influenza virus interactions with different epithelial cells and underscore the importance of studying the ocular surface in understanding influenza pathogenesis.

关键词： immortalized human corneal epithelial cell line human pulmonary epithelial cell line influenza A virus transcriptome sequencing LGALS9

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Investigation of Nasal Mucosal IgA Responses in the Population Following COVID-19 Pandemic — China, September 2022–August 2023

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China CDC weekly 2024年第15期6卷 312-317,I0005页

作者： Boyang Li Lei Zhou Zhilong Chen Yanhan Wen Qian Wang Tao Huang Si Chen Wei Wu Mengxuan Wang Lina Sun Mifang Liang Shiwen Wang Ling Chen Qun Li National Institute for viral Disease Control and Prevention Chinese Center for Disease Control and PreventionBeijingChina National key laboratory of Intelligent Tracking and Forecasting for Infectious diseases Chinese Center for Disease Control and PreventionBeijingChina Xiamen United Institute of Respiratory Health Xiamen CityFujian ProvinceChina Guangzhou laboratory Guangzhou CityGuangdong ProvinceChina State key laboratory of Respiratory Disease Guangzhou Institute of Respiratory HealthThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou CityGuangdong ProvinceChina

What is already known about this topic?Mucosal IgA plays a crucial role in host immunity against respiratory *** studies suggest that it has the potential to mitigate the transmission of the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)Omicron ***,a comprehensive population-based analysis examining mucosal IgA levels following the winter 2022 wave of the coronavirus disease 2019(COVID-19)pandemic is yet to be *** is added by this report?In our study involving 3,421 participants,we documented IgA responses subsequent to SARS-CoV-2 infection.A significant proportion of individuals sustained increased levels of IgA for over six *** levels were also observed in individuals with prior infections who underwent asymptomatic reinfections,indicating an active production of IgA ***,individuals with multiple vaccinations or severe symptoms tended to display elevated IgA levels after *** are the implications for public health practice?IgA in the nasal mucosa is crucial for defense against SARS-CoV-2 *** insights can enhance our knowledge of immune responses following infection and have provided certain reference values for disease prevention and control strategies.

关键词： prevention sustained immunity

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Nonconserved epitopes dominate reverse preexisting T cell immunity in COVID-19 convalescents

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2984-2998页

作者： Xin Wang Jie Zhang Maoshun Liu Yuanyuan Guo Peipei Guo Xiaonan Yang Bingli Shang Min Li Jinmin Tian Ting Zhang Xi Wang Ronghua Jin Jikun Zhou George F.Gao Jun Liu Department of Epidemiology School of Public HealthCheeloo College of MedicineShandong UniversityJinan 250012China NHC key laboratory of Biosafety Research Unit of Adaptive Evolution and Control of Emerging VirusesChinese Academy of Medical SciencesNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and Prevention(China CDC)Beijing 102206China Beijing key laboratory of Emerging Infectious diseases Institute of Infectious DiseasesBeijing Ditan HospitalCapital Medical UniversityBeijing 100015China Beijing Institute of Infectious diseases Beijing 100015China National Center for Infectious diseases Beijing Ditan HospitalCapital Medical UniversityBeijing 100015P.R.China School of laboratory Medicine and Life Sciences Wenzhou Medical UniversityWenzhou 325035China School of Ophthalmology&Optometry Wenzhou Medical UniversityWenzhou 325027China Collaborative Innovation Centre of Regenerative Medicine and medical BioResource Development and Application Co-constructed by the Province and Ministry Guangxi Medical UniversityNanningGuangxi 530021China Shijiazhuang Fifth Hospital Shijiazhuang 050011China CAS key laboratory of Pathogen Microbiology and Immunology Institute of MicrobiologyChinese Academy of Sciences(CAS)Beijing 100101China Savaid medical School University of Chinese Academy of SciencesBeijing 100049China

The herd immunity against SARS-CoV-2 is continuously consolidated across the world during the ongoing ***,the potential function of the nonconserved epitopes in the reverse preexisting cross-reactivity induced by SARS-CoV-2 to other human coronaviruses is not well *** our research,we assessed T cell responses to both conserved and nonconserved peptides shared by SARS-CoV-2 and SARS-CoV,identifying cross-reactive CD8^(+)T cell epitopes using enzyme-linked immunospot and intracellular cytokine staining ***,in vitro refolding and circular dichroism were performed to evaluate the thermal stability of the HLA/peptide ***,single-cell T cell receptor reservoir was analyzed based on tetramer ***,we discovered that cross-reactive T cells targeting SARS-CoV were present in individuals who had recovered from COVID-19,and identified SARS-CoV-2 CD8^(+)T cell epitopes spanning the major structural antigens.T cell responses induced by the nonconserved peptides between SARS-CoV-2 and SARS-CoV were higher and played a dominant role in the cross-reactivity in COVID-19 ***-T cell reactivity was also observed within the identified series of CD8^(+)T cell *** representative immunodominant peptide pairs,although the HLA binding capacities for peptides from SARS-CoV-2 and SARS-CoV were similar,the TCR repertoires recognizing these peptides were *** results could provide beneficial information for the development of peptide-based universal vaccines against coronaviruses.

关键词： immunity conserved assessed

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Identification of novel mammalian viruses in tree shrews(Tupaia belangeri chinensis)

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Zoological Research 2024年第2期45卷 429-438页

作者： Hong Zhou Ren-Rong Tian Xiu-Rong Wang Jin-Xuan Yang Yun-Xiao Wang Ming-Liang Zhao Xu-Dong Zhang Yu-Hua Ma Long-Bao Lv Edward CHolmes Yong-Tang Zheng Wei-Feng Shi School of Clinical and Basic medical Sciences Shandong First Medical University&Shandong Academy of Medical SciencesJi’nanShandong 250117China key laboratory of Emerging Infectious diseases in Universities of Shandong Shandong First Medical University and Shandong Academy of Medical SciencesTaianShandong 271000China key laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences/key laboratory of Bioactive Peptides of Yunnan Province KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common DiseasesCenter for Biosafety Mega-ScienceKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China School of Public Health Shandong First Medical University&Shandong Academy of Medical SciencesJi’nanShandong 250117China National Resource Center for Non-Human Primates Kunming Primate Research CenterKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650107China Sydney Institute for Infectious diseases School of Medical SciencesThe University of SydneySydneyNew South Wales 2006Australia Department of Infectious diseases Ruijin HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China Shanghai Institute of virology Shanghai Jiao Tong University School of MedicineShanghai 200025China

The Chinese tree shrew(Tupaia belangeri chinensis),a member of the mammalian order Scandentia,exhibits considerable similarities with primates,including humans,in aspects of its nervous,immune,and metabolic *** similarities have established the tree shrew as a promising experimental model for biomedical research on cancer,infectious diseases,metabolic disorders,and mental health ***,we used metatranscriptomic sequencing to analyze plasma,as well as oral and anal swab samples,from 105 healthy asymptomatic tree shrews to identify the presence of potential zoonotic *** total,eight mammalian viruses with complete genomes were identified,belonging to six viral families,including Flaviviridae,Hepeviridae,Parvovirinae,Picornaviridae,Sedoreoviridae,and ***,the presence of rotavirus was recorded in tree shrews for the first *** viruses-hepacivirus 1,parvovirus,and picornavirus-exhibited low genetic similarity(94%)to known viral *** analyses also revealed that the rotavirus and mammalian orthoreovirus identified in this study may be novel *** findings provide insights into the diverse viral spectrum present in captive Chinese tree shrews,highlighting the necessity for further research into their potential for crossspecies transmission.

关键词： Tree shrew(Tupaia belangeri chinensis) Meta-transcriptomic sequencing Mammalian viruses Genomic analysis

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Mitochondrial GRIM19 Loss Induces Liver Fibrosis through NLRP3/IL33 Activation via Reactive Oxygen Species/NF-κB Signaling

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Journal of Clinical and Translational Hepatology 2024年第6期12卷 539-550页

作者： Xiaohui Xu Jinmei Feng Xin Wang Xin Zeng Ying Luo Xinyu He Meihua Yang Tiewei Lv Zijuan Feng Liming Bao Li Zhao Daochao Huang Yi Huang Institute of Pediatrics Children’s Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and DisordersChongqing Key Laboratory of Pediatric Metabolism and Inflammatory DiseasesChongqingChina Department of Cardiology Children’s Hospital of Chongqing Medical UniversityNational Clinical Research Center for Child Health and DisordersMinistry of Education Key Laboratory of Child Development and DisordersNational Clinical Key Cardiovascular SpecialtyLaboratory of Children’s Important Organ Development and Diseases of Chongqing Municipal Health CommissionChongqingChina Department of laboratory Medicine Chongqing Western HospitalChongqingChina key laboratory of Molecular Biology for Infectious diseases Ministry of EducationInstitute for Viral HepatitisChongqing Medical UniversityChongqingChina Department of laboratory Medicine The Third People’s Hospital of ChengduChengduSichuanChina Departments of Neurology Epilepsy CenterBarnes-Jewish Hospital and Washington University School of MedicineSt.LouisMOUSA Department of Clinical Pathology and laboratory Medicine Weill Cornell Medical College of Cornell UniversityNew YorkNYUSA Departments of Medicine(Oncology) Washington University School of MedicineSt.LouisMOUSA

Background and Aims:Hepatic fibrosis(HF)is a critical step in the progression of hepatocellular carcinoma(HCC).Gene associated with retinoid-IFN-induced mortality 19(GRIM19),an essential component of mitochondrial respiratory chain complex I,is frequently attenuated in various human cancers,including ***,we aimed to investigate the potential relationship and underlying mechanism between GRIM19 loss and HF ***:GRIM19 expression was evaluated in normal liver tissues,hepatitis,hepatic cirrhosis,and HCC using human liver disease spectrum tissue *** studied hepatocyte-specific GRIM19 knockout mice and clustered regularly interspaced short palindromic repeats(CRISPR)/CRISPR-associated protein-9(Cas9)lentivirus-mediated GRIM19 gene-editing in murine hepatocyte AML12 cells in vitro and in *** performed flow cytometry,immunofluorescence,immunohistochemistry,western blotting,and pharmacological intervention to uncover the potential mechanisms underlying GRIM19 loss-induced ***:Mitochondrial GRIM19 was progressively downregulated in chronic liver disease tissues,including hepatitis,cirrhosis,and HCC ***-specific GRIM19 heterozygous deletion induced spontaneous hepatitis and subsequent liver fibrogenesis in *** addition,GRIM19 loss caused chronic liver injury through reactive oxygen species(ROS)-mediated oxidative stress,resulting in aberrant NF-κB activation via an IKK/IKB partner in ***-more,GRIM19 loss activated NLRP3-mediated IL33 signaling administration of the NLRP3 inhibitor MCC950 dramatically via the ROS/NF-κB pathway in *** alleviated GRIM19 loss-driven HF in ***:The mitochondrial GRIM19 loss facilitates liver fibrosis through NLRP3/IL33 activation via ROS/NF-κB signaling,providing potential therapeutic approaches for earlier HF prevention.

关键词： Liver fibrosis GRIM19 Reactive Oxygen Species NF-κB NLRP3 inflammasome IL33.

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AAV for Gene Therapy in Ocular diseases:Progress and Prospects

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Research 2024年第3期2023卷 651-670页

作者： Xiaoyu He Yidian Fu Liang Ma Yizheng Yao Shengfang Ge Zhi Yang Xianqun Fan Department of Ophthalmology Ninth People’s HospitalShanghai JiaoTong University School of MedicineShanghaiChina Shanghai key laboratory of Orbital diseases and Ocular Oncology ShanghaiChina Jiangsu key laboratory of Neuropsychiatric diseases and Institute of Neuroscience Soochow UniversityClinical Research Center of Neurological DiseaseThe Second Affiliated Hospital of Soochow UniversitySuzhouChina

Owing to the promising therapeutic effect and one-time treatment advantage, gene therapy may completely change the management of eye diseases, especially retinal diseases. Adeno-associated virus (AAV) is considered one of the most promising viral gene delivery tools because it can infect various types of tissues and is considered as a relatively safe gene delivery vector. The eye is one of the most popular organs for gene therapy, since its limited volume is suitable for small doses of AAV stably transduction. Recently, an increasing number of clinical trials of AAV-mediated gene therapy are underway. This review summarizes the biological functions of AAV and its application in the treatment of various ocular diseases, as well as the characteristics of different AAV delivery routes in clinical applications. Here, the latest research progresses in AAV-mediated gene editing and silencing strategies to modify that the genetic ocular diseases are systematically outlined, especially by base editing and prime editing. We discuss the progress of AAV in ocular optogenetic therapy. We also summarize the application of AAV-mediated gene therapy in animal models and the difficulties in its clinical transformation.

关键词： AAV organs treatment

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C1QTNF5 is a novel attachment factor that facilitates the entry of influenza A virus

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Virologica Sinica 2024年第2期39卷 277-289页

作者： Lei Yu Xinjin Liu Xiaoqin Wei Junrui Ren Xueyun Wang Shuwen Wu Ke Lan State key laboratory of virology Medical Research InstituteCollege of Life SciencesWuhan UniversityWuhan430072China Frontier Science Center for Immunology and Metabolism Wuhan UniversityWuhan430072China Taikang Center for Life and medical Sciences Wuhan UniversityWuhan430072China

Influenza A virus(IAV)binds sialic acid receptors on the cell surface to enter the host cells,which is the key step in initiating infection,transmission and *** the factors that contribute to the highly efficient entry of IAV into human cells will help elucidate the mechanism of viral entry and pathogenicity,and provide new targets for *** the present study,we reported a novel membrane protein,C1QTNF5,which binds to the hemagglutinin protein of IAV and promotes IAV infection in vitro and in *** found that the HA1 region of IAV hemagglutinin is critical for the interaction with C1QTNF5 protein,and C1QTNF5 interacts with hemagglutinin mainly through its N-terminus(1–103 aa).In addition,we further demonstrated that overexpression of C1QTNF5 promotes IAV entry,while blocking the interaction between C1QTNF5 and IAV hemagglutinin greatly inhibits viral ***,C1QTNF5 does not function as a receptor to mediate IAV infection in sialic acid-deficient CHO-Lec2 cells,but promotes IAV to attach to these cells,suggesting that C1QTNF5 is an important attachment factor for *** work reveals C1QTNF5 as a novel IAV attachment factor and provides a new perspective for antiviral strategies.

关键词： C1QTNF5 Influenza A virus viral entry Hemagglutinin Attachment factor

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EVEscape: Revealing potential escape sites based on the viral variation landscape

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Biophysics Reports 2024年第2期10卷 133-134页

作者： Yaling Li Aiping Wu Hang-Yu Zhou Zhejiang Lab State key laboratory of Common Mechanism Research for Major diseases Suzhou Institute of Systems MedicineChinese Academy of Medical Sciences & Peking Union Medical College

The continuous mutation and evolution of viruses to evade the host immune response present a formidable challenge to combating infectious diseases. Accurate prediction of viral immune escape sites is crucial for disease diagnosis, therapy development, vaccine design, and other strategies aimed at combating emerging infectious diseases. During the COVID-19 pandemic,

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