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Newcastle disease virus suppresses antigen presentation via inhibiting IL-12 expression in dendritic cells

Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第3期25卷 254-270页

作者： Fulong NAN Wenlong NAN Xin YAN Hui WANG Shasha JIANG Shuyun ZHANG Zhongjie YU Xianjuan ZHANG Fengjun LIU Jun LI Xiaoqiong ZHOU Delei NIU Yiquan LI Wei WANG Ning SHI Ningyi JIN Changzhan XIE Xiaoni CUI He ZHANG Bin WANG Huijun LU Department of Special Medicine Department of Pathogenic BiologySchool of Basic MedicineQingdao UniversityQingdao 266071China China Animal Health and epidemiology center Qingdao 266032China Academician Workstation of Jilin Province Changchun University of Chinese MedicineChangchun 130117China Institute of Virology Wenzhou UniversityWenzhou 325035China College of Veterinary Medicine Jilin UniversityChangchun 130012China Changchun Veterinary research Institute Chinese Academy of Agricultural SciencesChangchun 130122China Sino-Cell Biomed Co. Ltd.Qingdao 266000China

As a potential vectored vaccine,Newcastle disease virus(NDV)has been subject to various studies for vaccine development,while relatively little research has outlined the immunomodulatory effect of the virus in antigen presentation.To elucidate the key inhibitory factor in regulating the interaction of infected dendritic cells(DCs)and T cells,DCs were pretreated with the NDV vaccine strain LaSota as an inhibitor and stimulated with lipopolysaccharide(LPS)for further detection by enzyme-linked immunosorbent assay(ELISA),flow cytometry,immunoblotting,and quantitative real-time polymerase chain reaction(qRT-PCR).The results revealed that NDV infection resulted in the inhibition of interleukin(IL)-12p40 in DCs through a p38 mitogen-activated protein kinase(MAPK)-dependent manner,thus inhibiting the synthesis of IL-12p70,leading to the reduction in T cell proliferation and the secretion of interferon-(IFN-),tumor necrosis factor-α(TNF-α),and IL-6 induced by DCs.Consequently,downregulated cytokines accelerated the infection and viral transmission from DCs to T cells.Furthermore,several other strains of NDV also exhibited inhibitory activity.The current study reveals that NDV can modulate the intensity of the innate-adaptive immune cell crosstalk critically toward viral invasion improvement,highlighting a novel mechanism of virus-induced immunosuppression and providing new perspectives on the improvement of NDV-vectored vaccine.

关键词： Newcastle disease virus Dendritic cells Interleukin-12(IL-12) T cells Immunosuppression

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Pathological progression of osteoarthritis:a perspective on subchondral bone

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Frontiers of Medicine 2024年第2期18卷 237-257页

作者： Xuefei Li Wenhua Chen Dan Liu Pinghua Chen Shiyun Wang Fangfang Li Qian Chen Shunyi Lv Fangyu Li Chen Chen Suxia Guo Weina Yuan Pan Li Zhijun Hu Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine Shanghai200032China research and Development center of Chinese Medicine Resources and Biotechnology Shanghai University of Traditional Chinese MedicineShanghai201203China

Osteoarthritis(OA)is a degenerative bone disease associated with aging.The rising global aging population has led to a surge in OA cases,thereby imposing a significant socioeconomic burden.researchers have been keenly investigating the mechanisms underlying OA.Previous studies have suggested that the disease starts with synovial inflammation and hyperplasia,advancing toward cartilage degradation.Ultimately,subchondral-bone collapse,sclerosis,and osteophyte formation occur.This progression is deemed as“top to bottom.”However,recent research is challenging this perspective by indicating that initial changes occur in subchondral bone,precipitating cartilage breakdown.In this review,we elucidate the epidemiology of OA and present an in-depth overview of the subchondral bone’s physiological state,functions,and the varied pathological shifts during OA progression.We also introduce the role of multifunctional signal pathways(including osteoprotegerin(OPG)/receptor activator of nuclear factor-kappa B ligand(RANKL)/receptor activator of nuclear factor-kappa B(RANK),and chemokine(CXC motif)ligand 12(CXCL12)/CXC motif chemokine receptor 4(CXCR4))in the pathology of subchondral bone and their role in the“bottom-up”progression of OA.Using vivid pattern maps and clinical images,this review highlights the crucial role of subchondral bone in driving OA progression,illuminating its interplay with the condition.

关键词： osteoarthritis subchondral bone OPG/RANKL/RANK CXCL12/CXCR4

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Bone research 2024年第1期12卷 122-136页

作者： Nan-Yu Zou Ran Liu Mei Huang Yu-Rui Jiao Jie Wei Yangzi Jiang Wen-Zhen He Min Huang Yi-Li Xu Ling Liu Yu-Chen Sun Mi Yang Qi Guo Yan Huang Tian Su Ye Xiao Wei-Shan Wang Chao Zeng Guang-Hua Lei Xiang-Hang Luo Chang-Jun Li Department of Endocrinology Endocrinology Research CenterXiangya Hospital of Central South UniversityChangshaHunan 410008China Department of Orthopaedics Xiangya Hospital of Central South UniversityChangshaHunan 410008China Department of epidemiology and Health Statistics Xiangya School of Public HealthCentral South UniversityChangshaChina Hunan Key Laboratory of Joint Degeneration and Injury ChangshaHunan 410008China Key Laboratory of Aging-related Bone and Joint Diseases Prevention and Treatment Ministry of EducationXiangya HospitalCentral South UniversityChangshaChina School of Biomedical Sciences Institute for Tissue Engineering and Regenerative MedicineFaculty of MedicineThe Chinese University of Hong KongHong Kong SARChina Department of Orthopaedics The First Affiliated Hospital of Shihezi UniversityShiheziXinjiangChina National Clinical research center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangshaHunan 410008China

Skeletal stem/progenitor cell(SSPC)senescence is a major cause of decreased bone regenerative potential with aging,but the causes of SSPC senescence remain unclear.In this study,we revealed that macrophages in calluses secrete prosenescent factors,including grancalcin(GCA),during aging,which triggers SSPC senescence and impairs fracture healing.Local injection of human rGCA in young mice induced SSPC senescence and delayed fracture repair.Genetic deletion of Gca in monocytes/macrophages was sufficient to rejuvenate fracture repair in aged mice and alleviate SSPC senescence.Mechanistically,GCA binds to the plexin-B2 receptor and activates Arg2-mediated mitochondrial dysfunction,resulting in cellular senescence.Depletion of Plxnb2 in SSPCs impaired fracture healing.Administration of GCA-neutralizing antibody enhanced fracture healing in aged mice.Thus,our study revealed that senescent macrophages within calluses secrete GCA to trigger SSPC secondary senescence,and GCA neutralization represents a promising therapy for nonunion or delayed union in elderly individuals.

关键词： healing union senescence

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Development,validation,and transportability of several machine-learned,non-exercise-based VO_(2max)prediction models for older adults

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Journal of Sport and Health Science 2024年第5期13卷 611-620页

作者： Benjamin T.Schumacher Michael J.LaMonte Andrea Z.LaCroix Eleanor M.Simonsick Steven P.Hooker Humberto Parada Jr. John Bellettiere Arun Kumar Herbert Wertheim School of Public Health and Human Longevity Science University of California San DiegoLa JollaCA 92093USA Department of epidemiology and Environmental Health School of Public Health and Health ProfessionsUniversity at BuffaloState University of New YorkBuffaloNY 14214USA Translational Gerontology Branch Intramural Research ProgramNational Institute on AgingNational Institutes of HealthBaltimoreMD 21225USA College of Health and Human Services San Diego State UniversitySan DiegoCA 92182USA Division of epidemiology and Biostatistics School of Public HealthSan Diego State UniversitySan DiegoCA 92182USA University of California San Diego Moores Cancer center La JollaCA 92093USA Computer Science and Engineering and Halicioglu Data Science Institute University of California San DiegoLa JollaCA 92093USA

Background:There exist few maximal oxygen uptake(VO_(2max))non-exercise-based prediction equations,fewer using machine learning(ML),and none specifically for older adults.Since direct measurement of VO_(2max)is infeasible in large epidemiologic cohort studies,we sought to develop,validate,compare,and assess the transportability of several ML VO_(2max)prediction algorithms.Methods:The Baltimore Longitudinal Study of Aging(BLSA)participants with valid VO2_(max)tests were included(n=1080).Least absolute shrinkage and selection operator,linear-and tree-boosted extreme gradient boosting,random forest,and support vector machine(SVM)algorithms were trained to predict VO_(2max)values.We developed these algorithms for:(a)the overall BLSA,(b)by sex,(c)using all BLSA variables,and(d)variables common in aging cohorts.Finally,we quantified the associations between measured and predicted VO_(2max)and mortality.Results:The age was 69.0±10.4 years(mean±SD)and the measured VO_(2max)was 21.6±5.9 mL/kg/min.Least absolute shrinkage and selection operator,linear-and tree-boosted extreme gradient boosting,random forest,and support vector machine yielded root mean squared errors of 3.4 mL/kg/min,3.6 mL/kg/min,3.4 mL/kg/min,3.6 mL/kg/min,and 3.5 mL/kg/min,respectively.Incremental quartiles of measured VO_(2max)showed an inverse gradient in mortality risk.Predicted VO_(2max)variables yielded similar effect estimates but were not robust to adjustment.Conclusion:Measured VO_(2max)is a strong predictor of mortality.Using ML can improve the accuracy of prediction as compared to simpler approaches but estimates of association with mortality remain sensitive to adjustment.Future studies should seek to reproduce these results so that VO_(2max),an important vital sign,can be more broadly studied as a modifiable target for promoting functional resiliency and healthy aging.

关键词： Cardiorespiratory fitness Prediction algorithms epidemiology Mortality

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Influencing Factors of Healthy Aging Risk Assessed Using Biomarkers:A Life Course Perspective

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China CDC weekly 2024年第11期6卷 219-224,I0014-I0017页

作者： Cedric Zhang Bo Lua Yajie Gao Jinming Li Xingqi Cao Xinwei Lyu Yinuo Tu Shuyi Jin Zuyun Liu center for Clinical Big Data and Analytics of the Second Affiliated Hospital and Department of Big Data in Health Science School of Public Healththe Key Laboratory of Intelligent Preventive Medicine of Zhejiang ProvinceZhejiang University School of MedicineHangzhou CityZhejiang ProvinceChina Institute of epidemiology and Health Care University College LondonLondonUK College of Chemical and Biological Engineering Zhejiang UniversityHangzhou CityZhejiang ProvinceChina

Assessing individual risks of healthy aging using biomarkers and identifying associated factors have become important areas of research.In this study,we conducted a literature review of relevant publications between 2018 and 2023 in both Chinese and English databases.Previous studies have predominantly used single biomarkers,such as C-reactive protein,or focused on specific life course stages and factors such as socioeconomic status,mental health,educational levels,and unhealthy lifestyles.By summarizing the progress in this field,our study provides valuable insights and future directions for promoting healthy aging from a life course perspective.

关键词： such insight directions

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Correlation between critical thinking and emotional intelligence:a national crosssectional study on operating room nursing students in Iran

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Frontiers of Nursing 2024年第1期11卷 99-104页

作者： Armin Fereidouni Esmaeil Teymoori Tayebeh Bahmani Hamid Reza Sabet Zahra Maleki Mina Gharibi Department of Operating Room Technology Community Based Psychiatric Care Research CenterSchool of Nursing and MidwiferyShiraz University of Medical SciencesShirazIran Department of Operating Room Technology School of Paramedical SciencesAJA University of Medical SciencesTehranIran Department of Operating Room School of Allied Medical ScienceFasa University of Medical SciencesFasaIran Clinical Education research center Shiraz University of Medical SciencesShirazIran Medical Journalism Department School of Paramedical SciencesShiraz University of Medical SciencesShirazIran Department of epidemiology Student Research CommitteeShiraz University of Medical SciencesShirazIran

Objective:According to the World Federation of Medical Education,critical thinking should be part of the training of medical and paramedical students.Professionals can improve the quality of care of patients after surgery by having or acquiring this skill in health care.Also,Emotional intelligence is introduced as an impor tant and effective factor on the professional performance and mental health of healthcare professionals.Thus,the present study was designed and implemented to determine the relationship between emotional intelligence and critical thinking among operating room nursing students of medical sciences universities in Iran.Methods:This cross-sectional study was done on 420 operating room students in 10 top medical sciences universities of Iran in 2022.The sampling method in this research was multistage sampling.The data collection instruments included demographic characteristics,Rickett's critical thinking,and Bradberry-Greaves'emotional intelligence questionnaires.After receiving the ethics code,data collection was done for 2 months.For data analysis,descriptive and inferential analyses including independent t-tests,analysis of variance,and Pearson correlation were used.The collected data were analyzed by SPSS 18(IBM Corporation,Armonk,New York,United States).P-value<0.05 was considered significant.Results:The mean age of the students participating in this study was 23.02±3.70 years,with women constituting 67.4%of them.The results of data analysis indicated that the mean total score of critical thinking and emotional intelligence was 124.10±37.52 and 114.12±43.63,respectively.A direct significant correlation between critical thinking and emotional intelligence(r=0.459,P-value<0.001)and a significant relationship between gender and emotional intelligence(P-value=0.028)were found.Conclusions:Based on the present study results,educational managers in the Ministry of Health are suggested to consider suitable educational programs for improving critical thinking and emotional intelligence to enhance the qu

关键词： critical thinking emotional intelligence operating room students operating room nurses

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Multi-omics analyses of G6PD deficiency variants in Chinese population

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Journal of Genetics and Genomics 2024年第1期51卷 100-104页

作者： He Ji Jiahuan Chen Peide Huang Zhimin Feng Weining Hu Mengyao Dai Xiaohui Sun Xiao Jin Guangquan Chen Guang Ning Lin Li Weiqing Wang Yanan Cao Department of Endocrine and Metabolic Diseases Shanghai Institute of Endocrine and Metabolic DiseasesNational Clinical Research Centre for Metabolic DiseasesState Key Laboratory of Medical GenomicsResearch Unit of Clinical and Basic Research on Metabolic Diseases of Chinese Academy of Medical SciencesRuijin Yangtze River Delta Health InstituteWuxi Branch of Ruijin HospitalRuijin HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China National research center for Translational Medicine National Key Scientific Infrastructure for Translational MedicineShanghai Jiao Tong UniversityShanghai 200240China SJTU-BGI Innovation research center Shanghai 200240China BGI-ShenZhen ShenzhenGuangdong 518083China

Glucose-6-phosphate dehydrogenase(G6PD)deficiency is one of the most prevalent hereditary and X-linked enzyme disorders caused by the pathogenetic G6PD(NM_001042351.2)variants(Yang et al.,2016).The clinical manifestations of G6PD deficiency offer a wide spectrum of diverse disease phenotypes(Hecker et al.,2013).Investigations of prevalence and molecular epidemiology demonstrate that G6PD deficiency affects over 400 milion individuals worldwide and leads to thousands of deaths annually(Mortality and Causes of Death,2015).

关键词： al. G6PD epidemiology

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The virulence regulator AbsR in avian pathogenic Escherichia coli has pleiotropic effects on bacterial physiology

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Journal of Integrative Agriculture 2024年第2期23卷 649-668页

作者： Dongfang Zhao Haobo Zhang Xinyang Zhang Fengwei Jiang Yijing Li Wentong Cai Ganwu Li State Key Laboratory for Animal Disease Control and Prevention Harbin Veterinary Research InstituteChinese Academy of Agricultural SciencesHarbin 150069China College of Veterinary Medicine Northeast Agricultural UniversityHarbin 150038China National Animal Tuberculosis Reference Laboratory Division of Zoonoses SurveillanceChina Animal Health and Epidemiology CenterQingdao 266032China Department of Veterinary Diagnostic and Production Animal Medicine College of Veterinary MedicineIowa State UniversityAmesIowa 50011-1134the United States

Avian pathogenic Escherichia coli(APEC)belonging to extraintestinal pathogenic E.coli(ExPEC)can cause severe infections in extraintestinal tissues in birds and humans,such as the lungs and blood.MprA(microcin production regulation,locus A,herein renamed AbsR,a blood survival regulator),a member of the MarR(multiple antibiotic resistance regulator)transcriptional regulator family,governs the expression of capsule biosynthetic genes in human ExPEC and represents a promising druggable target for antimicrobials.However,a deep understanding of the AbsR regulatory mechanism as well as its regulon is lacking.In this study,we present a systems-level analysis of the APEC AbsR regulon using ChIP-Seq(chromatin immunoprecipitation sequencing)and RNA-Seq(RNA sequencing)methods.We found that AbsR directly regulates 99 genes and indirectly regulates 667 genes.Furthermore,we showed that:1)AbsR contributes to antiphagocytotic effects by macrophages and virulence in a mouse model for systemic infection by directly activating the capsular gene cluster;2)AbsR positively impacts biofilm formation via direct regulation of the T2SS(type II secretion system)but plays a marginal role in virulence;and 3)AbsR directly upregulates the acid tolerance signaling system EvgAS to withstand acid stress but is dispensable in ExPEC virulence.Finally,our data indicate that the role of AbsR in virulence gene regulation is relatively conserved in ExPEC strains.Altogether,this study provides a comprehensive analysis of the AbsR regulon and regulatory mechanism,and our data suggest that AbsR likely influences virulence primarily through the control of capsule production.Interestingly,we found that AbsR severely represses the expression of the type I-F CRISPR(clustered regularly interspaced short palindromic repeats)-Cas(CRISPR associated)systems,which could have implications in CRISPR biology and application.

关键词： avian pathogenic Escherichia coli(APEC) extraintestinal pathogenic Escherichia coli(ExPEC) AbsR RNA-Seq ChIP-Seq gene regulation

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Combatting anthrax outbreaks across Nigeria's national land borders: need to optimize surveillance with epidemiological surveys

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Infectious Diseases of Poverty 2024年第1期13卷 100-100页

作者： Hammed O.Mogaji Babatunde Adewale Stella I.Smith Ehimario U.Igumbor Chidumebi J.Idemili Andrew W.Taylor-Robinson Yale School of Public Health Yale University New Haven USA Parasitology and epidemiology Unit Federal University Oye-Ekiti Oye-Ekiti Nigeria Department of Public Health and epidemiology Nigerian Institute of Medical Research Lagos Nigeria Department of Molecular Biology and Biotechnology Nigerian Institute of Medical Research Lagos Nigeria Centre for Infectious Disease research Nigerian Institute of Medical Research Lagos Nigeria Department of Public Health Walter Sisulu University Mthatha South Africa Institute of Health Policy Management and Evaluation University of Toronto Toronto Canada College of Health Sciences Vin University Hanoi Vietnam center for Global Health Perelman School of Medicine University of Pennsylvania Philadelphia USA

Background Anthrax is a non-contagious zoonotic disease caused by the Gram-positive,spore-forming bac-terium Bacillus anthracis.Infection is common in livestock and wild animals such as cattle,goats,sheep,camels,and antelopes.In humans,anthrax may occur after contact with contaminated carcasses or animal products like milk and meat.The best method to prevent anthrax in people is to ensure livestock are vaccinated,which significantly limits the risk of zoonotic spread to humans.However,the rate of vaccination of domesticated animals kept by nomadic pastoralists in West Africa is low.These groups regularly cross over national boundaries with their grazing herds.Nigeria is a country that historically has done comparatively well to contain this public health threat.However,in 2023 several outbreaks of human disease appear linked to the consumption of anthrax-contaminated animal products brought into Nigeria by pastoralists from neighboring countries.Clinical manifestations include skin sores or ulcers,nausea,vomiting,and fever.This article aims to raise awareness of recent outbreaks of anthrax in West Africa and to callfor a renewed focus on measures to combat this neglected public health concern to the region.Main body The imperative to pinpoint pivotal issues relating to the ongoing emergence of anthrax cases in Nigeria cannot be overstated.By delving into the prevalence of anthrax in both livestock and human populations residing along Nigeria's borders,unraveling the genetic diversity and potential sources of B.anthracis strains,and identify-ing the primary animal host(s)responsible for transmission,we stand to enhance our understanding of this critical issue.Furthermore,investigating the multifaceted factors contributing to anthrax transmission,assessing community knowledge and practices,mapping common migratory routes of pastoralists,and formulating targeted interven-tion strategies tailored to the challenges of border communities,are each crucial steps towards effective control andprevention.Conclusion Closing

关键词： border Combat doubt

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Changes in the Non-targeted Metabolomic Profile of Three-year-old Toddlers with Elevated Exposure to Polycyclic Aromatic Hydrocarbons

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Biomedical and Environmental Sciences 2024年第5期37卷 479-493页

作者： LI Yang LIN Dan ZHANG Xiu Qin JU Guang Xiu SU Ya ZHANG Qian DUAN Hai Ping YU Wei Sen WANG Bing Ling PANG Shu Tao Department of epidemiology and Health Statistics School of Public HealthQingdao UniversityQingdao 266021ShandongChina Department of Environmental Health Qingdao Municipal Center for Disease Control and PreventionQingdao Institute of Preventive MedicineQingdao 266033ShandongChina Physicochemical Laboratory Qingdao Municipal Center for Disease Control and PreventionQingdao Institute of Preventive MedicineQingdao 266033ShandongChina Section of Child Health Care Huangdao Maternity and Child Health Care Hospital of QingdaoQingdao 266499ShandongChina Qingdao Blood center Qingdao 266071ShandongChina

Objective To investigate changes in the urinary metabolite profiles of children exposed to polycyclic aromatic hydrocarbons(PAHs)during critical brain development and explore their potential link with the intestinal microbiota.Methods Liquid chromatography-tandem mass spectrometry was used to determine ten hydroxyl metabolites of PAHs(OH-PAHs)in 36-month-old children.Subsequently,37 children were categorized into low-and high-exposure groups based on the sum of the ten OH-PAHs.Ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used to identify non-targeted metabolites in the urine samples.Furthermore,fecal flora abundance was assessed by 16S rRNA gene sequencing using Illumina MiSeq.Results The concentrations of 21 metabolites were significantly higher in the high exposure group than in the low exposure group(variable importance for projection>1,P<0.05).Most of these metabolites were positively correlated with the hydroxyl metabolites of naphthalene,fluorine,and phenanthrene(r=0.336–0.531).The identified differential metabolites primarily belonged to pathways associated with inflammation or proinflammatory states,including amino acid,lipid,and nucleotide metabolism.Additionally,these distinct metabolites were significantly associated with specific intestinal flora abundances(r=0.34–0.55),which were mainly involved in neurodevelopment.Conclusion Higher PAH exposure in young children affected metabolic homeostasis,particularly that of certain gut microbiota-derived metabolites.Further investigation is needed to explore the potential influence of PAHs on the gut microbiota and their possible association with neurodevelopmental outcomes.

关键词： Child Gut microbiota Non-targeted metabolomics Polycyclic aromatic hydrocarbons Urinary metabolite profile

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