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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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Characterization of whole genomes from recently emerging Mpox cases in several regions of China,2023

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Science China(Life Sciences) 2024年第5期67卷 1079-1081页

作者： Changcheng Wu Lunbiao Cui Yang Pan Ziquan Lv Mingxiao Yao Wenling Wang Fei Ye Weibang Huo Li Zhao Baoying Huang Fengcai Zhu Roujian Lu Yao Deng Quanyi Wang Wenjie Tan NHC Key Laboratory of Biosafety National Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China NHC Key Laboratory of Enteric Pathogenic Microbiology Jiangsu Provincial Medical Key Laboratory of Pathogenic Microbiology in Emerging Major Infectious DiseasesJiangsu Provincial Center for Disease Control and PreventionNanjing 210009China Beijing Center for disease Prevention and Control Beijing 100013China Central Laboratory Shenzhen Center for Disease Control and PreventionShenzhen 518055China Shandong Center for disease Control and Prevention Jinan 250014China

Dear Editor,Mpox(formerly known as monkeypox)is a zoonotic disease caused by infection with the monkeypox virus(MPXV).Mpox cases have been sporadic over the past few decades,with outbreaks occurring in only a limited ... 详细信息

关键词： cases primarily imported

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Fiber Optic SPR POCT: A Novel Nucleic Acid Detection Biosensor for Environmental Viruses

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Research 2024年第3期2024卷 791-793页

作者： Jing Wang Zhaojun Duan Dixian Luo department of Laboratory Medicine Shenzhen Hospital of Integrated Traditional and Western MedicineShenzhenChina National Institute for Viral disease Control and Prevention China Center for Disease Control and PreventionBeijingChina.

In the post-COVID-19 pandemic era, the long-term surveillance of pathogens is still important. The rapid detection of pathogens facilitates the accurate and convenient real-time monitoring of microbial contamination and improves the management of diseases. Here, a novel surface plasmon resonance (SPR)-based point of care testing (POCT) approach of microorganism nucleic acids with the guidance of CRISPR enzyme is described, including the application of optical fiber-based detection of trace SARS-CoV2 virus in sewage water on SPR and validation of the plasmonic biosensor for the detection of single-nucleotide mutations in natural water samples.

关键词： POCT SPR convenient

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The impact of female sex hormones on cardiovascular disease:from mechanisms to hormone therapy

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Journal of Geriatric Cardiology 2024年第6期21卷 669-681页

作者： Yi KAN Yu-Lu PENG Ze-Hao ZHAO Shu-Tong DONG Yin-Xiao XU Xiao-Teng MA Xiao-Li LIU Yu-Yang LIU Yu-Jie ZHOU department of Cardiology Beijing Anzhen HospitalCapital Medical UniversityBeijing Institute of Heart Lung and Blood Vessel DiseaseBeijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic DiseaseClinical Center for Coronary Heart DiseaseCapital Medical UniversityBeijingChina

Cardiovascular disease remains the leading cause of mortality in women,yet it has not raised the awareness from the *** pathogenesis of cardiovascular disease differs significantly between females and males concerning the effect of sex *** and progestogen impact cardiovascular system through genomic and non-genomic *** menopause,cardiovascular protective effects of estrogens have been well *** were often used in combination with estrogens in hormone *** in sex hormone levels,particularly estrogen deficiency,were considered the specific risk factor in women’s cardiovascular ***,considerable heterogeneity in the impact of hormone therapy was observed in clinical *** heterogeneity is likely closely associated with factors such as the initial time,administration route,dosage,and formulation of hormone *** review will delve into the pathogenesis and hormone therapy,summarizing the effect of female sex hormones on hypertension,pre-eclampsia,coronary heart disease,heart failure with preserved ejection fraction,and cardiovascular risk factors specific to women.

关键词： impact dosage protective

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Coxsackievirus B3 HFMD animal models in Syrian hamster and rhesus monkey

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Virologica Sinica 2024年第2期39卷 290-300页

作者： Suqin Duan Wei Zhang Yongjie Li Yanyan Li Yuan Zhao Weihua Jin Quan Liu Mingxue Li Wenting Sun Lixiong Chen Hongjie Xu Jie Tang Jinghan Hou Zijun Deng Fengmei Yang Shaohui Ma Zhanlong He Institute of Medical Biology Chinese Academy of Medical Sciences Medical Primate Research Center Peking Union Medical CollegeYunnan Key Laboratory of Vaccine Research Development on Severe Infectious DiseaseKunming650118China

Coxsackievirus B3(CVB3)is the pathogen causing hand,foot and mouth disease(HFMD),which manifests across a spectrum of clinical severity from mild to ***,CVB3-infected mouse models mainly demonstrate viral myocarditis and pancreatitis,failing to replicate human HFMD *** several enteroviruses have been evaluated in Syrian hamsters and rhesus monkeys,there is no comprehensive data on *** this study,we have first tested the susceptibility of Syrian hamsters to CVB3 infection via different *** results showed that Syrian hamsters were successfully infected with CVB3 by intraperitoneal injection or nasal drip,leading to nasopharyngeal colonization,acute severe pathological injury,and typical HFMD ***,the nasal drip group exhibited a longer viral excretion cycle and more severe pathological *** the subsequent study,rhesus monkeys infected with CVB3 through nasal drips also presented signs of HFMD symptoms,viral excretion,serum antibody conversion,viral nucleic acids and antigens,and the specific organ damages,particularly in the ***,there were no significant differences in myocardial enzyme levels,and the clinical symptoms resembled those often associated with common,mild *** summary,the study successfully developed severe Syrian hamsters and mild rhesus monkey models for CVB3-induced *** models could serve as a basis for understanding the disease pathogenesis,conducting pre-trial prevention and evaluation,and implementing post-exposure intervention.

关键词： Coxsackievirus B3(CVB3) Hand foot and mouth disease(HFMD) Animal models Syrian hamster Rhesus monkey

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Advances in the Application of Molecular Diagnostic Techniques to Brucellosis

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Biomedical and Environmental Sciences 2024年第7期37卷 790-794页

作者： Haiwen Liu Hai Jiang School of Public Health Baotou Medical CollegeBaotou 014040Inner Mongolia AutonomousChina National Key Laboratory of Intelligent Tracing and Forecasting for infectious diseases National Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China

Brucellosis is a zoonotic infectious and allergic disease caused by Brucella *** occurs worldwide and has had a huge economic impact on the livestock industry in many countries and *** has become a major public health *** is an endoparasitic,non-motile Gram-negative bacterium capable of surviving within a diverse range of domestic animal hosts.

关键词： problem diverse capable

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Trends and Age-Period-Cohort Effect on Incidence of Varicella Under Age 35—China,2005-2021

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China CDC weekly 2024年第18期6卷 390-395,I0005页

作者： Guijie Luan Hongyan Yao Dapeng Yin Jianjun Liu department of Education and Training Chinese center for Disease Control and PreventionBeijingChina Hainan Provincial Center for disease Control and Prevention Haikou CityHainan ProvinceChina Chinese center for disease Control and Prevention BeijingChina

Summary What is already known about this topic?Varicella is an acute respiratory infectious disease primarily affecting ***,recent studies have indicated an increasing susceptibility to varicella among older age *** is added by this report?The findings demonstrate a significant rise in the incidence rate among individuals aged *** under 20 years old were found to have a higher risk compared to females,whereas males had a lower risk compared to females aged 20-35 years.

关键词： acute respiratory Incidence

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Establishment of a Multiplex Detection Method for Common Bacteria in Blood Based on Human Mannan-Binding Lectin Protein-Conjugated Magnetic Bead Enrichment Combined with Recombinase-Aided PCR Technology

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Biomedical and Environmental Sciences 2024年第4期37卷 387-398页

作者： ZHAO Zi Jin CHEN Xiao Ping HUA Shao Wei LI Feng Yu ZHAO Meng XING Chen Hao WANG Jie TIAN Feng Yu ZHANG Rui Qing LYU Xiao Na HAN Zhi Qiang WANG Yu Xin LI Hong Yi SHEN Xin Xin MA Xue Jun TIE Yan Qing Graduate School Hebei North UniversityZhangjiakou 075000HebeiChina department of Clinical Laboratory Hebei General HospitalShijiazhuang 050051HebeiChina National Key Laboratory of Intelligent Tracking and Forecasting for infectious diseases NHC Key Laboratory of Medical Virology and Viral DiseasesNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China National Institute for Communicable disease Control and Prevention Chinese Center for Disease Control and PreventionBeijing 102206China department of Clinical Laboratory Pathology Diagnostic Center Shiyan General HospitalShiyan 442000HubeiChina Graduate School Hebei Medical University Shijiazhuang 050031HebeiChina

Objective Recombinase-aided polymerase chain reaction(RAP)is a sensitive,single-tube,two-stage nucleic acid amplification *** study aimed to develop an assay that can be used for the early diagnosis of three types of bacteremia caused by Staphylococcus aureus(SA),Pseudomonas aeruginosa(PA),and Acinetobacter baumannii(AB)in the bloodstream based on recombinant human mannanbinding lectin protein(M1 protein)-conjugated magnetic bead(M1 bead)enrichment of pathogens combined with *** Recombinant plasmids were used to evaluate the assay *** blood influenza bacteria were used for the specific *** and clinical plasma samples were enriched with M1 beads and then subjected to multiple recombinase-aided PCR(M-RAP)and quantitative PCR(qPCR)*** analysis was used to evaluate the consistency between the two *** The M-RAP method had sensitivity rates of 1,10,and 1 copies/μL for the detection of SA,PA,and AB plasmids,respectively,without cross-reaction to other bacterial *** M-RAP assay obtained results for<10 CFU/mL pathogens in the blood within 4 h,with higher sensitivity than qPCR.M-RAP and qPCR for SA,PA,and AB yielded Kappa values of 0.839,0.815,and 0.856,respectively(P<0.05).Conclusion An M-RAP assay for SA,PA,and AB in blood samples utilizing M1 bead enrichment has been developed and can be potentially used for the early detection of bacteremia.

关键词： Staphylococcus aureus Pseudomonas aeruginosa Acinetobacter baumannii Human Mannan-binding lectin protein Bloodstream infection Recombinase-aided PCR assay Multiple detection

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Species-level Microbiota of Biting Midges and Ticks from Poyang Lake

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Biomedical and Environmental Sciences 2024年第3期37卷 266-277,I0001-I0003页

作者： GONG Jian WANG Fei Fei LIU Yang Qing PU Ji DONG Ling Zhi ZHANG Si Hui HUANG Zhen Zhou HUANG Yu Yuan LI Ya Ben YANG Cai Xin TAO Yuan Meihui ZHAO Li Jun JIN Dong LIU Li Yun YANG Jing LU Shan department of Epidemiology School of Public HealthShanxi Medical UniversityTaiyuan 030001ShanxiChina National Key Laboratory of Intelligent Tracking and Forecasting for infectious diseases National Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China Jiangxi Provincial Key Laboratory of Animal-Origin and Vector-Borne diseases Nanchang Center for Disease Control and PreventionNanchang 330038JiangxiChina Research Units of Discovery of Unknown Bacteria and Function Chinese Academy of Medical SciencesBeijing 100730China

Objective The purpose of this study was to investigate the bacterial communities of biting midges and ticks collected from three sites in the Poyang Lake area,namely,Qunlu Practice Base,Peach Blossom Garden,and Huangtong Animal Husbandry,and whether vectors carry any bacterial pathogens that may cause diseases to humans,to provide scientific basis for prospective pathogen discovery and disease prevention and *** Using a metataxonomics approach in concert with full-length 16S rRNA gene sequencing and operational phylogenetic unit(OPU)analysis,we characterized the species-level microbial community structure of two important vector species,biting midges and ticks,including 33 arthropod samples comprising 3,885 individuals,collected around Poyang *** A total of 662 OPUs were classified in biting midges,including 195 known species and 373 potentially new species,and 618 OPUs were classified in ticks,including 217 known species and 326 potentially new ***,OPUs with potentially pathogenicity were detected in both arthropod vectors,with 66 known species of biting midges reported to carry potential pathogens,including Asaia lannensis and Rickettsia bellii,compared to 50 in ticks,such as Acinetobacter lwoffii and Staphylococcus *** found that Proteobacteria was the most dominant group in both midges and ***,the outcomes demonstrated that the microbiota of midges and ticks tend to be governed by a few highly abundant *** sp7 was predominant in biting midges,while Coxiella sp1 was enriched in ***,Coxiella spp.,which may be essential for the survival of Haemaphysalis longicornis Neumann,were detected in all tick *** identification of dominant species and pathogens of biting midges and ticks in this study serves to broaden our knowledge associated to microbes of arthropod *** Biting midges and ticks carry large numbers of known and potentially novel bacteria,and carry a wide

关键词： Biting midge Tick Microbiota Pantoea Coxiella

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sTREM-1 as promising prognostic biomarker for acute-on-chronic liver failure and mortality in patients with acute decompensation of cirrhosis

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World Journal of Gastroenterology 2024年第9期30卷 1177-1188页

作者： Song-Man Yu Hai Li Guo-Hong Deng Xian-Bo Wang Xin Zheng Jin-Jun Chen Zhong-Ji Meng Yu-Bao Zheng Yan-Hang Gao Zhi-Ping Qian Feng Liu Xiao-Bo Lu Yu Shi Jia Shang Ruo-Chan Chen Yan Huang department of infectious diseases Xiangya HospitalCentral South UniversityChangsha 410000Hunan ProvinceChina department of Gastroenterology Renji HospitalShanghai Jiao Tong University School of MedicineShanghai 200127China department of infectious diseases Southwest HospitalThird Military Medical University(Army Medical University)Chongqing 400038China Center of Integrative Medicine Beijing Ditan HospitalCapital Medical UniversityBeijing 100020China department of infectious diseases Institute of Infection and ImmunologyUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430020Hubei ProvinceChina department of infectious diseases Nanfang HospitalSouthern Medical UniversityGuangzhou 510515Guangdong ProvinceChina department of infectious disease Taihe HospitalHubei University of MedicineShiyan 442009Hubei ProvinceChina department of infectious diseases The Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhou 510630Guangdong ProvinceChina department of Hepatology The First Hospital of Jilin UniversityChangchun 130021Jilin ProvinceChina department of Liver Intensive Care Unit Shanghai Public Health Clinical CentreFudan UniversityShanghai 200093China Tianjin Institute of Hepatology Nankai University Second People's HospitalTianjin 300192China infectious disease Center The First Affiliated Hospital of Xinjiang Medical UniversityUrumqi 830054Xinjiang Uygur Autonomous RegionChina The State Key Laboratory for Diagnosis and Treatment of infectious diseases The First Affiliated Hospital of School of MedicineZhejiang UniversityHangzhou 310003Zhejiang ProvineChina department of infectious diseases Henan Provincial People's HospitalZhengzhou 463599Henan ProvineChina department of infectious diseases Hunan Key Laboratory of Viral HepatitisXiangya HospitalCentral South UniversityChangsha 110051Hunan ProvineChina

BACKGROUND Acute decompensation(AD)of cirrhosis is associated with high short-term mortality,mainly due to the development of acute-on-chronic liver failure(ACLF).Thus,there is a need for biomarkers for early and accurate identification of AD patients with high risk of development of ACLF and *** triggering receptor expressed on myeloid cells-1(sTREM-1)is released from activated innate immune cells and correlated with various inflammatory *** To explore the prognostic value of sTREM-1 in patients with AD of *** A multicenter prospective cohort of 442 patients with cirrhosis hospitalized for AD was divided into a study cohort(n=309)and validation cohort(n=133).Demographic and clinical data were collected,and serum sTREM-1 was measured at *** enrolled patients were followed-up for at least 1 *** In patients with AD and cirrhosis,serum sTREM-1 was an independent prognosis predictor for 1-year survival and correlated with liver,coagulation,cerebral and kidney failure.A new prognostic model of AD(P-AD)incorporating sTREM-1,blood urea nitrogen(BUN),total bilirubin(TBil),international normalized ratio(INR)and hepatic encephalopathy grades was established and performed better than the model for end-stage liver disease(MELD),MELD-sodium(MELD-Na),chronic liver failure-consortium(CLIF-C)ACLF and CLIF-C AD ***,sTREM-1 was increased in ACLF and predicted the development of ACLF during first 28-d *** ACLF risk score incorporating serum sTREM-1,BUN,INR,TBil and aspartate aminotransferase levels was established and significantly superior to MELD,MELD-Na,CLIF-C ACLF,CLIF-C AD and P-AD in predicting risk of ACLF *** Serum sTREM-1 is a promising prognostic biomarker for ACLF development and mortality in patients with AD of cirrhosis.

关键词： Soluble triggering receptor expressed on myeloid cell-1 Acute decompensation Cirrhosis Acute-on-chronic liver failure Prognostic biomarker

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