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LncRNA NKILA inhibits HBV replication by repressing NF-κB signalling activation

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Virologica Sinica 2024年第1期39卷 44-55页

作者： Xi Zhang Yuanyuan Li Chen Huan Yubao Hou Rujia Liu Hongyun Shi Peng Zhang Baisong Zheng Yingchao Wang Hong Wang Wenyan Zhang Institute of virology and AIDS Research The First Hospital of Jilin UniversityChangchun130012China department of Ophthalmology The First Hospital of Jilin UniversityChangchun130012China Hepatobiliary Pancreatic Surgery The First Hospital of Jilin UniversityChangchun130012China

Hepatitis B virus(HBV)infection results in liver cirrhosis and hepatocellular carcinoma(HCC).HBx/nuclear factor(NF)-κB pathway plays a role in HBV ***,whether NF-κB-interacting long noncoding RNA(NKILA),a suppressor of NF-κB activation,regulates HBV replication remains largely *** this study,gain-and-loss experiments showed that NKILA inhibited HBV replication by inhibiting NF-κB *** turn,HBV infection down-regulated NKILA *** addition,expression levels of NKILA were lower in the peripheral blood-derived monocytes(PBMCs)of HBV-positive patients than in healthy individuals,which were correlated with HBV viral *** a negative correlation between NKILA expression level and HBV viral loads was observed in blood serum from HBV-positive *** levels of endogenous NKILA were also observed in HepG2 cells expressing a 1.3-fold HBV genome,HBV-infected HepG2-NTCP cells,stable HBV-producing HepG2.2.15 and HepAD38 cells,compared to those HBV-negative ***,HBx was required for NKILA-mediated inhibition on HBV *** decreased HBx-induced NF-κB activation by interrupting the interaction between HBx and p65,whereas NKILA mutants lack of essential domains for NF-κB inhibition,lost the ability to inhibit HBV ***,our data demonstrate that NKILA may serve as a suppressor of HBV replication via NF-κB signalling.

关键词： LncRNA NF-κB-interacting longnoncoding RNA(NKILA) NF-ĸB signalling ChronichepatitisBvirus(HBV) Viral replication HBx

Aspergillus niger prolyl endopeptidase in celiac disease

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World Journal of Gastroenterology 2024年第24期30卷 3044-3047页

作者： Marica Colella Concetta Cafiero Raffaele Palmirotta Interdisciplinary department of Medicine Section of Microbiology and VirologyUniversity of Bari“Aldo Moro”Bari 70124Italy Area of Molecular Pathology Anatomic Pathology UnitFabrizio Spaziani HospitalFrosinone 03100Italy

We comment here on the article by Stefanolo et al entitled“Effect of Aspergillus niger prolyl endopeptidase in patients with celiac disease on a long-term gluten-free diet”,published in the World Journal of *** disease is a well-recognized systemic autoimmune *** genetically susceptible people,the most evident damage is located in the small intestine,and is caused and worsened by the ingestion of *** that reason,celiac patients adopt a gluten-free diet(GFD),but it has some limitations,and it does not prevent re-exposure to *** aims to develop adjuvant therapies,and one of the most studied alternatives is supplementation with Aspergillus niger prolyl endopeptidase protease(AN-PEP),which is able to degrade gluten in the stomach,reducing its concentration in the small *** study found a high adherence to the GFD,but did not address AN-PEP as a gluten immunogenic peptide reducer,as it was only tested in patients following a GFD and not in gluten-exposing *** study opens up new research perspectives in this area and shows that further study is needed to clarify the points that are still in doubt.

关键词： Celiac disease Aspergillus niger prolyl endoprotease Gluten immunogenic peptides Trial Symptoms Real-life trial

Endogenous retrovirus activation: potential for immunology and clinical applications

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National Science Review 2024年第4期11卷 21-23页

作者： Jundan Yu Peishan Qiu Jingwen Ai Bo Liu Guan-Zhu Han Fan Zhu Wenhong Zhang Jie Cui department of Infectious Diseases Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response National Medical Center for Infectious Diseases Huashan Hospital Shanghai Medical College Fudan University CAS Key Laboratory of Molecular virology &Immunology Shanghai Institute of Immunity and Infection Chinese Academy of Sciences University of Chinese Academy of Sciences Shanghai Huashen Institute of Microbes and Infections College of Life Sciences Nanjing Normal University State Key Laboratory of virology and department of Medical Microbiology School of Basic Medical SciencesWuhan University The Institute of Infection and Health Research Fudan University Key Laboratory of Medical Molecular virology(MOE/MOH) Shanghai Medical CollegeFudan University Laboratory for Marine Biology and Biotechnology Qingdao Marine Science and Technology Center

Endogenous retroviruses (ERVs), the remnants of ancient retrovirus infections, constitute approximately 8% of the human genome and play important roles in human evolution, development,and diseases. Multiple drugs, such as DNA methyltransferase inhibitors and lysine-specific histone demethylase 1inhibitors, reactivate ERVs, induce viral mimicry and trigger innate immune responses to enhance tumor immunogenicity.

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Viromes of Haemaphysalis longicornis reveal different viral abundance and diversity in free and engorged ticks

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Virologica Sinica 2024年第2期39卷 194-204页

作者： Jian Xiao Xuan Yao Xuhua Guan Jinfeng Xiong Yaohui Fang Jingyuan Zhang You Zhang Abulimiti Moming Zhengyuan Su Jiayin Jin Yingying Ge Jun Wang Zhaojun Fan Shuang Tang Shu Shen Fei Deng Key Laboratory of virology and Biosafety and National Virus Resource Center Wuhan Institute of VirologyChinese Academy of SciencesWuhan430071China Hubei Provincial Center for Disease Control and Prevention Wuhan430070China University of Chinese Academy of Sciences Beijing101408China Hubei Jiangxia Laboratory Wuhan430200China Xinjiang Key Laboratory of Vector-borne Infectious Diseases Urumqi830002China Current address:department of Medical Laboratory The Second Affiliated HospitalHainan Medical UniversityHaikou57000China

Haemaphysalis longicornis ticks,commonly found in East Asia,can transmit various pathogenic viruses,includingthe severe fever with thrombocytopenia syndrome virus(SFTSV)that has caused febrile diseases among humansin Hubei ***,understanding of the viromes of *** was limited,and the prevalence ofviruses among *** ticks in Hubei was not well *** study investigates the viromes of bothengorged(fed)and free(unfed)*** ticks across three mountainous regions in Hubei Province from 2019to ***-sequencing analysis identified viral sequences that were related to 39 reference viruses belonging tounclassified viruses and seven RNA viral families,namely Chuviridae,Nairoviridae,Orthomyxoviridae,Parvoviridae,Phenuiviridae,Rhabdoviridae,and *** abundance and diversity in these ticks were analysed,andphylogenetic characteristics of the Henan tick virus(HNTV),Dabieshan tick virus(DBSTV),Okutama tick virus(OKTV),and Jingmen tick virus(JMTV)were elucidated based on their full genomic *** demonstrated that DBSTV was the most common virus found in individual *** ticks(12.59%),followed by HNTV(0.35%),whereas JMTV and OKTV were not *** results improve our understanding of *** tick viromes in central China and highlight the role of tick feeding status and geographyin shaping the viral *** findings of new viral strains and their potential impact on public health raisethe need to strengthen surveillance efforts for comprehensively assessing their spillover potentials.

关键词： Ticks Virome Haemaphysalis longicornis Phylogenetic analysis Viral abundance and diversity

Inferring Mycobacterium Tuberculosis Drug Resistance and Transmission using Whole-genome Sequencing in a High TB-burden Setting in China

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Biomedical and Environmental Sciences 2024年第2期37卷 157-169页

作者： FAN Yu Feng LIU Dong Xin CHEN Yi Wang OU Xi Chao MAO Qi Zhi YANG Ting Ting WANG Xi Jiang HE Wen Cong ZHAO Bing LIU Zhen Jiang ABULIMITI Maiweilanjiang AIHEMUTI Maimaitiaili GAO Qian ZHAO Yan Lin Key Laboratory of Medical Molecular virology(MOE/NHC/CAMS) School of Basic Medical SciencesShanghai Medical CollegeFudan UniversityShanghai 200032China National Tuberculosis reference Laboratory Chinese Center for Disease Control and PreventionBeijing 102206China Hangzhou Red Cross Hospital Hangzhou 310005ZhejiangChina Xinjiang Uygur Autonomous Region Center for Disease Control and Prevention Urumqi 830026XinjiangChina Tuberculosis Dispensary of Kashgar Prefecture Kashgar 844099XinjiangChina

Objective China is among the 30 countries with a high burden of tuberculosis(TB)worldwide,and TB remains a public health *** Prefecture in the southern Xinjiang Autonomous Region is considered as one of the highest TB burden regions in ***,molecular epidemiological studies of Kashgar are *** A population-based retrospective study was conducted using whole-genome sequencing(WGS)to determine the characteristics of drug resistance and the transmission *** A total of 1,668 isolates collected in 2020 were classified into lineages 2(46.0%),3(27.5%),and 4(26.5%).The drug resistance rates revealed by WGS showed that the top three drugs in terms of the resistance rate were isoniazid(7.4%,124/1,668),streptomycin(6.0%,100/1,668),and rifampicin(3.3%,55/1,668).The rate of rifampicin resistance was 1.8%(23/1,290)in the new cases and 9.4%(32/340)in the previously treated *** resistance mutations were detected more frequently in lineage 2 strains than in lineage 3 or 4 strains,respectively:18.6%vs.8.7 or 9%,P<*** estimated proportion of recent transmissions was 25.9%(432/1,668).Multivariate logistic analyses indicated that sex,age,occupation,lineage,and drug resistance were the risk factors for recent *** the low rate of drug resistance,drug-resistant strains had a higher risk of recent transmission than the susceptible strains(adjusted odds ratio,1.414;95%CI,1.023–1.954;P=0.036).Among all patients with drug-resistant tuberculosis(DR-TB),78.4%(171/218)were attributed to the transmission of DR-TB *** Our results suggest that drug-resistant strains are more transmissible than susceptible strains and that transmission is the major driving force of the current DR-TB epidemic in Kashgar.

关键词： Mycobacterium tuberculosis Whole-genome sequencing(WGS) Transmission Drug resistance Xinjiang

Harnessing endothelial cells and vascularization strategies for nerve regeneration

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Neural Regeneration Research 2024年第11期19卷 2337-2338页

作者： Papon Muangsanit Poppy Smith virology and Cell Technology Research Team National Center for Genetic Engineering and Biotechnology(BIOTEC)National Science and Technology Development Agency(NSTDA)PathumthaniThailand UCL Centre for Nerve Engineering UCLLondonUK department of Pharmacology UCL School of PharmacyUCLLondonUK

Peripheral nerves are essential components of the human body’s communication system,transmitting signals between the central nervous system and various body *** resulting from trauma or disease can result in debilitating sensory and motor *** injuries,particularly those resulting in significant gaps in the nerve tissue,pose a formidable challenge for clinicians and *** their limitations,including limited availability and donor site morbidity,nerve autografts remain the clinical gold standard for treating nerve injuries.

关键词： injuries nerves donor

The immune response to SARS-CoV-2 in people with HIV

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Cellular & Molecular Immunology 2024年第2期21卷 184-196页

作者： Maxine A.Höft Wendy A.Burgers Catherine Riou Institute of Infectious Disease and Molecular Medicine University of Cape TownCape TownSouth Africa Division of Medical virology Department of PathologyUniversity of Cape TownCape TownSouth Africa Wellcome Centre for Infectious Diseases Research in Africa University of Cape TownCape TownSouth Africa

This review examines the intersection of the HIV and SARS-CoV-2 *** with HIV(PWH)are a heterogeneous group that differ in their degree of immune suppression,immune reconstitution,and viral *** COVID-19 in those with wellcontrolled HIV infection poses no greater risk than that for HIV-uninfected individuals,people with advanced HIV disease are more vulnerable to poor COVID-19 ***-19 vaccines are effective and well tolerated in the majority of PWH,though reduced vaccine efficacy,breakthrough infections and faster waning of vaccine effectiveness have been demonstrated in *** is likely a result of suboptimal humoral and cellular immune responses after *** with advanced HIV may also experience prolonged infection that may give rise to new epidemiologically significant variants,but initiation or resumption of antiretroviral therapy(ART)can effectively clear persistent ***-19 vaccine guidelines reflect these increased risks and recommend prioritization for vaccination and additional booster doses for PWH who are moderately to severely *** recommend continued research and monitoring of PWH with SARS-CoV-2 infection,especially in areas with a high HIV burden.

关键词： SARS-CoV-2 HIV Immune dysfunction Vaccine efficacy Prolonged infection Immunogenicity

Extracellular Disintegration of Viral Proteins as an Innovative Strategy for Developing Broad-Spectrum Antivirals Against Coronavirus

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CCS Chemistry 2024年第2期6卷 487-496页

作者： Ke Sun Zhe Ding Xiaoying Jia Haonan Cheng Yingwen Li Yan Wu Zhuoyu Li Xiaohua Huang Fangxu Pu Entao Li Guiyou Wang Wei Wang Yun Ding Gary Wong Sandra Chiu Jiaming Lan Aiguo Hu Shanghai Key Laboratory of Advanced Polymeric Materials School of Materials Science and EngineeringEast China University of Science and TechnologyShanghai 200237 CAS Key Laboratory of Molecular virology&Immunology Chinese Academy of SciencesShanghai 200031 University of the Chinese Academy of Sciences Beijing 100049 State Key Laboratory of virology Center for Biosafety Mega-ScienceWuhan Institute of VirologyChinese Academy of SciencesWuhan 430071 Division of Life Sciences and Medicine University of Science and Technology of ChinaHefeiAnhui 230027 department of Clinical Laboratory The First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui 230001

The coronavirus disease 2019(COVID-19)pandemic,caused by severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),has claimedmillions of lives and caused innumerable economic losses ***,state-of-the-art treatments still lag behind the continual emergence of new *** to resolving this issue is developing antivirals to deactivate coronaviruses regardless of their structural ***,we report an innovative antiviral strategy involving extracellular disintegration of viral proteins with hyperanion-grafted enediyne(EDY)*** core EDY generates reactive radical species and causes significant damage to the spike protein of coronavirus,while the hyperanion groups ensure negligible cytotoxicity of the *** EDYs exhibit antiviral activity down to nanomolar concentrations,and the selectivity index of up to 20,000 against four kinds of human coronavirus,including the SARS-CoV-2 Omicron variant,suggesting the high potential of this new strategy in combating the COVID-19 pandemic and a future“disease X.”

关键词： enediyne broad spectrum antiviral protein disintegration coronavirus polyanions

Migration of a Progestin Implant into a Pulmonary Artery: Observation of a Case at the reference Health Center of Commune III of the District of Bamako in Mali

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Open Journal of Obstetrics and Gynecology 2024年第9期14卷 1431-1436页

作者： Hamady Sissoko Souma Kodio Hamidou Albachar Cheickna Sylla Salif Diarra Sidy Moctar Diakité Mohamed Traoré Souleymane Traoré Ibrahim Fomba Ouncoumba Diarra Nana Bah Drissa Diarra Mahamoudou Coulibaly Bocary Sidi Koné Hawa Samaké Ahmadou Coulibaly Mamadou Traoré Seydou Z. Dao Sitapha Dembélé Samou Diarra Konimba Koné Alou Samaké Sanogo Siaka Amara reference Health Centre of Commune III of the District of Bamako Bamako Mali department of Gynecology and Obstetrics Gabriel Toure University Hospital Center in Bamako Bamako Mali department of Gynecology and Obstetrics Kalaban Coro Reference Health Centre Bamako Mali Mohamed VI Perinatal Clinic Bamako Mali reference Health Centre of Commune V of the District of Bamako Bamako Mali Point-G Obstetrics and Gynecology department of University Hospital Center Bamako Mali reference Health Centre of Commune II of the District of Bamako Bamako Mali H department of Gynecology and Obstetrics of the Fousseyni Daou Hospital in Kayes Kayes Mali reference Health Centre of Commune VI of the District of Bamako Bamako Mali

It was a 36-year-old patient, 5th Pregnancy, 5th Delivery, 4 live children, and I deceased, had a consultation in the department for the removal of implants. Questioning revealed that she had had the implant three years ago without medical follow-up. It was in view of the difficulties in extracting the capsule that the chest X-ray and CT scan carried out concluded that the implant had migrated into a branch of the left pulmonary artery. Therapeutic abstention has been the attitude of cardiovascular surgeons.

关键词： Migration Implant Pulmonary Artery Bamako