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Evaluation of antibody responses in healthy individuals receiving SARS-CoV-2 inactivated vaccines

Biosafety and Health 2024年第3期6卷 153-164页

作者： Ziyu Liu Liyan Cai Man Xing Nan Qiao Jiaojiao Liu Xuejun Li Chiyu Zhang Naijun Tang Zhelong Xu Yingying Guo Renfei Lu Dongming Zhou department of pathogen biology School of Basic Medical SciencesTianjin Medical UniversityTianjin 300070China Physical examination center Affiliated Nantong Hospital 3 of Nantong UniversityNantong 226000China Shanghai Public Health Clinical Center Fudan UniversityShanghai 201508China department of Occupational and Environmental Health School of Public HealthTianjin Medical UniversityTianjin 300070China Clinical Laboratory Affiliated Nantong Hospital 3 of Nantong UniversityNantong 226000China

Inactivated coronavirus disease 2019(COVID-19)vaccines such as CoronaVac and BBIBP-CorV have been widely used in ***,more investigation is still needed to understand antibodies'duration and effectiveness against severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)variants in the real *** this study,575 participants who had been vaccinated with two or three doses of the inactivated vaccine were *** samples were collected and tested for anti-spike IgG and neutralizing antibodies against SARS-CoV-2(original strain,Dela,and Omicron).Unsurprisingly,a third dose of the vaccine significantly enhanced antibody responses against SARS-CoV-2 and its ***,despite a booster dose,the neutralizing antibody levels against Omicron,particularly the BA.5.2 subvariant,remained *** was no sex bias,but an age bias was ***,the predominant IgG subclass antibodies were IgG1 and IgG2,with a much lower level of *** the booster shot,the ratio of IgG4 to IgG1 significantly *** observation of IgG1 to the IgG4 class switch after repeated inactivated vaccinations underscores the importance of continuous monitoring of subclass antibody *** clinical investigations are required to understand the implications of this class switch for optimizing immunization strategies.

关键词： Variant of concern(VOC) Inactivated vaccines Serological study IgG subclasses Severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)

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Developing fertility control for rodents: a framework for researchers and practitioners

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Integrative Zoology 2024年第1期19卷 87-107页

作者： Giovanna MASSEI Jens JACOB Lyn A.HINDS Botstiber Institute for Wildlife Fertility Control Department of Environment and GeographyUniversity of YorkHeslingtonYorkUK Rodent Research Institute for Epidemiology and Pathogen DiagnosticsJulius Kühn–Institute(JKI)Federal Research Institute for Cultivated PlantsMünsterGermany CSIRO Health and Biosecurity CanberraACTAustralia

Fertility control is often heralded as a humane and effective technique for management of overabundant wildlife,including *** intention is to reduce the use of lethal and inhumane methods,increase farm productivity and food security as well as reduce disease transmission,particularly of *** developed a framework to guide researchers and stakeholders planning to assess the effectiveness of a potential contraceptive agent for a particular *** guidelines describe the overarching research questions which must be sequentially addressed to ensure adequate data are collected so that a contraceptive can be registered for use in broad-scale rodent *** framework indicates that studies should be undertaken iteratively and,at times,in parallel,with initial research being conducted on(1)laboratory-based captive assessments of contraceptive effects in individuals;(2)simulation of contraceptive delivery using bait markers and/or surgical sterilization of different proportions of afield-based or enclosure population to determine how population dynamics are affected;(3)development of mathematical models which predict the outcomes of different fertility control scenarios;and(4)implementation of large-scale,replicated trials to validate contraceptive efficacy under various management-scalefield *** some circumstances,fertility control may be most effective when integrated with other methods(*** culling).Assessment of non-target effects,direct and indirect,and the environmental fate of the contraceptive must also be *** fertility control for a species is a resource-intensive commitment but will likely be less costly than the ongoing environmental and economic impacts by rodents and rodenticides in many contexts.

关键词： captive studies field applications modeling oral contraceptive delivery population management rodents

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Correlation between the gut microbiome and neurodegenerative diseases:a review of metagenomics evidence

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Neural Regeneration Research 2024年第4期19卷 833-845页

作者： Xiaoyan Liu Yi Liu Junlin Liu Hantao Zhang Chaofan Shan Yinglu Guo Xun Gong Mengmeng Cui Xiubin Li Min Tang School of Life Sciences Jiangsu University Institute of Animal Husbandry Jiangsu Academy of Agricultural Sciences department of Rheumatology&immunology Affiliated Hospital of Jiangsu University department of Neurology The Second Affiliated Hospital of Shandong First Medical University

A growing body of evidence suggests that the gut microbiota contributes to the development of neurodegenerative diseases via the microbiota-gut-brain *** a contributing factor,microbiota dysbiosis always occurs in pathological changes of neurodegenerative diseases,such as Alzheimer’s disease,Parkinson’s disease,and amyotrophic lateral ***-throughput sequencing technology has helped to reveal that the bidirectional communication between the central nervous system and the enteric nervous system is facilitated by the microbiota’s diverse microorganisms,and for both neuroimmune and neuroendocrine ***,we summarize the bioinformatics analysis and wet-biology validation for the gut metagenomics in neurodegenerative diseases,with an emphasis on multi-omics studies and the gut *** pathogen-associated signaling biomarkers for identifying brain disorders and potential therapeutic targets are also ***,we discuss the role of diet,prebiotics,probiotics,postbiotics and exercise interventions in remodeling the microbiome and reducing the symptoms of neurodegenerative diseases.

关键词： biomarker diet pattern gut microbiota gut-brain axis metagenomics mitochondrial dysfunction multi-omics neurodegenerative disease neuroinflammation probiotic

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Demonstration of safety characteristics and effects on gut microbiota of Lactobacillus gasseri HMV18

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Food Science and Human Wellness 2024年第2期13卷 611-620页

作者： Xianxian Jia Miaomiao Jia Xiang Gao Xiang Li Mengyuan Wang Shengqiang Du Rui Huang Xiaotong Li Jun Zhang Shujin Li Chunling Ma Yan Zhang Bin Cong department of pathogen biology Institute of basic MedicineHebei Medical UniversityShijiazhuang 050017China Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology Chinese Academy of Medical SciencesShijiazhuang 050017China Institute of Basic Medicine Hebei Medical UniversityShijiazhuang 050017China College of Forensic Medicine Hebei Key Laboratory of Forensic MedicineCollaborative Innovation Center of Forensic Medical Molecular IdentificationHebei Medical UniversityShijiazhuang 050017China Hebei Food Safety Key Laboratory Hebei Food Inspection and Research InstituteShijiazhuang 050227China

Human normal flora is a source of *** safety characteristics of a specific isolate determine its application in foods or *** food-borne-pathogen antagonist strain Lactobacillus gasseri HMV18 is one of the isolates from normal human *** this work,we assessed the in vitro pH tolerance,bile tolerance,biogenic amine production,mucin utilization,and safety of in vivo administration to mice to evaluate general health,organ-body weight index,organ histopathological change,whether *** HMV18 can colonize in the gut or modulate the gut microbiota after oral *** results suggest that *** HMV18 can tolerate pH 3 for 2 h,3%bile for 3 h,biogenic amine negative,mucin usage negative,does not encode verified toxins,and cause no visible change in mice's *** HMV18 might not colonize in mice's gut,but can significantly affect the structure of gut microbiota.A bibliographical survey suggested that there were as few as 8 opportunistic infection cases from 1984 to 2022 and that the possibility for *** to cause infection is relatively ***,this work provides a basis for the foods or drugs application of *** HMV18 and gives a map of experiments for the safety assessment of probiotics.

关键词： Probiotics Lactobacillus gasseri Safety assessment Gut microbiota

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Non-alcoholic fatty liver disease and sleep disorders

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World Journal of Hepatology 2024年第3期16卷 304-315页

作者： Lu-Fang Bu Chong-Yu Xiong Jie-Yi Zhong Yan Xiong Dong-Ming Li Fen-Fang Hong Shu-Long Yang department of Physiology Fuzhou Medical CollegeNanchang UniversityFuzhou 344000Jiangxi ProvinceChina Key Laboratory of Chronic Diseases Fuzhou Medical UniversityFuzhou 344000Jiangxi ProvinceChina Technology Innovation Center of Chronic Disease Research in Fuzhou City Fuzhou Science and Technology BureauFuzhou 344000Jiangxi ProvinceChina Experimental Center of pathogen biology College of MedicineNanchang UniversityNanchang 330006Jiangxi ProvinceChina

Studies have shown that non-alcoholic fatty liver disease(NAFLD)may be associated with sleep *** order to explore the explicit relationship between the two,we systematically reviewed the effects of sleep disorders,especially obstructive sleep apnea(OSA),on the incidence of NAFLD,and analyzed the possible mechanisms after adjusting for confounding *** is independently associated with sleep *** sleep disorders may be the cause of the onset and aggravation of *** excessive or insufficient sleep duration,poor sleep quality,insomnia,sleep-wake disorders,and OSA may increase the incidence of *** that some research suggests a unidirectional causal link between the two,specifically,the onset of NAFLD is identified as a result of changes in sleep characteristics,and the reverse relationship does not hold ***,there is still a lack of specific research elucidating the reasons behind the higher risk of developing sleep disorders in individuals with *** research is needed to establish a clear relationship between NAFLD and sleep *** will lay the groundwork for earlier identification of potential patients,which is crucial for earlier monitoring,diagnosis,effective prevention,and treatment of NAFLD.

关键词： Non-alcoholic fatty liver disease Sleep duration Sleep quality Sleep disorders Obstructive sleep apnea

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B-cell and antibody responses to SARS-CoV-2:infection,vaccination,and hybrid immunity

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Cellular & Molecular immunology 2024年第2期21卷 144-158页

作者： Dennis Lapuente Thomas H.Winkler Matthias Tenbusch Institut für klinische und molekulare Virologie Universitätsklinikum Erlangen und Friedrich-Alexander-Universität(FAU)Erlangen-NürnbergSchlossgarten 491054 ErlangenGermany department of biology Division of GeneticsNikolaus-Fiebiger-Center for Molecular MedicineFriedrich-Alexander-Universität Erlangen-Nürnberg(FAU)ErlangenGermany Medical immunology Campus Erlangen Friedrich-Alexander-Universität(FAU)Erlangen-NürnbergSchlossplatz 191054 ErlangenGermany

The emergence of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)in 2019 prompted scientific,medical,and biotech communities to investigate infection-and vaccine-induced immune responses in the context of this pathogen.B-cell and antibody responses are at the center of these investigations,as neutralizing antibodies(nAbs)are an important correlate of protection(COP)from infection and the primary target of SARS-CoV-2 vaccine *** addition to absolute levels,nAb longevity,neutralization breadth,immunoglobulin isotype and subtype composition,and presence at mucosal sites have become important topics for scientists and health policy *** recent pandemic was and still is a unique setting in which to study de novo and memory B-cell(MBC)and antibody responses in the dynamic interplay of infection-and vaccine-induced *** also provided an opportunity to explore new vaccine platforms,such as mRNA or adenoviral vector vaccines,in unprecedented cohort *** with the technological advances of recent years,this situation has provided detailed mechanistic insights into the development of B-cell and antibody responses but also revealed some unexpected *** this review,we summarize the key findings of the last 2.5 years regarding infection-and vaccine-induced B-cell immunity,which we believe are of significant value not only in the context of SARS-CoV-2 but also for future vaccination approaches in endemic and pandemic settings.

关键词： SARS-CoV-2 neutralizing antibodies memory responses vaccines IgG4

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Targeting epigenetic and posttranslational modifications regulating ferroptosis for the treatment of diseases

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Signal Transduction and Targeted Therapy 2024年第1期9卷 105-149页

作者： Yumin Wang Jing Hu Shuang Wu Joshua S.Fleishman Yulin Li Yinshi Xu Wailong Zou Jinhua Wang Yukuan Feng Jichao Chen Hongquan Wang department of Respiratory and Critical Care Medicine Aerospace Center HospitalPeking University Aerospace School of Clinical MedicineBeijing 100049PR China department of pathogen biology School of Basic Medical SciencesTianjin Medical UniversityTianjin 300060PR China department of Neurology Zhongnan Hospital of Wuhan UniversityWuhan 430000PR China department of Pharmaceutical Sciences College of Pharmacy and Health SciencesSt.John’s UniversityQueensNY 11439USA department of Outpatient Aerospace Center HospitalPeking University Aerospace School of Clinical MedicineBeijing 100049PR China Beijing Key Laboratory of Drug Target and Screening Research Institute of Materia MedicaChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100050PR China department of Pancreatic Cancer Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin’s Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjin 300060PR China

Ferroptosis,a unique modality of cell death with mechanistic and morphological differences from other cell death modes,plays a pivotal role in regulating tumorigenesis and offers a new opportunity for modulating anticancer drug *** epigenetic modifications and posttranslational modifications(PTMs)promote anticancer drug resistance,cancer progression,and *** studies indicate that epigenetic modifications can transcriptionally and translationally determine cancer cell vulnerability to ferroptosis and that ferroptosis functions as a driver in nervous system diseases(NSDs),cardiovascular diseases(CVDs),liver diseases,lung diseases,and kidney *** this review,we first summarize the core molecular mechanisms of ***,the roles of epigenetic processes,including histone PTMs,DNA methylation,and noncoding RNA regulation and PTMs,such as phosphorylation,ubiquitination,SUMOylation,acetylation,methylation,and ADP-ribosylation,are concisely *** roles of epigenetic modifications and PTMs in ferroptosis regulation in the genesis of diseases,including cancers,NSD,CVDs,liver diseases,lung diseases,and kidney diseases,as well as the application of epigenetic and PTM modulators in the therapy of these diseases,are then discussed in *** the mechanisms of ferroptosis regulation mediated by epigenetic modifications and PTMs in cancer and other diseases will facilitate the development of promising combination therapeutic regimens containing epigenetic or PTM-targeting agents and ferroptosis inducers that can be used to overcome chemotherapeutic resistance in cancer and could be used to prevent other *** addition,these mechanisms highlight potential therapeutic approaches to overcome chemoresistance in cancer or halt the genesis of other diseases.

关键词： diseases epigenetic overcome

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S-,P-stabilized bromoallenes for modular allenylborylation of alkenes

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Science China Chemistry 2024年第1期67卷 360-367页

作者： Jixin Wang Donghao Luo Ying Hu Zhili Duan Jianlin Yao Konstantin Karaghiosoff Jie Li Key Laboratory of Organic Synthesis of Jiangsu Province Suzhou Key Laboratory of Pathogen Bioscience and Anti-infective MedicineCollege of ChemistryChemical Engineering and Materials ScienceSoochow UniversitySuzhou 215123China department Chemie Ludwig-Maximilians-Universitat MunchenButenandtstr.5-13Haus F81377 MunichGermany State Key Laboratory and Institute of Elemento-Organic Chemistry Haihe Laboratory of Sustainable Chemical TransformationsCollege of ChemistryNankai UniversityTianjin 300071China

Simultaneously forming a carbon-carbon and a carbon-heteroatom bond in a single step through transition metal-catalyzed alkene difunctionalization strategy has emerged as a powerful tool for synthetic organic *** to the uncontrollable reactivity,direct cross-coupling with bromoallenes as the building blocks for the selective allenation and borylation remains *** herein report a new type of S-and P-stabilized bromoallenes for palladium-catalyzed modular allenation and borylation of alkenes to the divergent synthesis of multiply functionalized allenes in a highly regio-and diastereoselective *** reaction features broad substrate scope and wide functional group compatibility,thus providing a straightforward method to install allenyl and boryl groups across *** experiments highlight the crucial importance of S-,P-stabilization for the oxidative insertion of Pd-species into the allenyl-Br *** facile syntheses of bioactive allenic steroids and exocyclic allenes demonstrate the synthetic utility of this protocol.

关键词： alkene difunctionalization olefins bromoallenes allenylborylation palladium

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COVID-19 and cardiac complications:Myocarditis and multisystem inflammatory syndrome in children

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World Journal of Cardiology 2024年第5期16卷 260-268页

作者： Muhammed Gunes Oner Ozdemir department of Pediatric Cardiology Research and Training Hospital of SakaryaAdapazarı54100SakaryaTürkiye department of Pediatric Allergy and immunology Research and Training Hospital of SakaryaSakarya University Medical FacultyAdapazarı54100SakaryaTürkiye

Coronavirus is an important pathogen causing disease in humans and *** the end of 2019,an investigation into an increase in pneumonia cases in Wuhan,Hubei Province,China,found that the cause was a new *** disease,which spread rapidly across China and caused an outbreak worldwide,resulted in a *** this virus has previously been referred to as 2019-nCoV,which causes coronavirus disease 2019(COVID-19),later it was named severe acute respiratory syndrome coronavirus *** were usually asymptomatic and rarely severely *** April 2020,reports from the United Kingdom indicated that children may have Kawasaki disease or a clinical condition similar to toxic shock *** clinical picture was later defined as multisystem inflammatory syndrome in *** then,similarly affected children as well as cases with other cardiac complications have been reported in other parts of the *** this review,we aimed to evaluate COVID-19 in terms of cardiac involvement by reviewing the literature.

关键词： COVID-19 Cardiac complication Myocarditis Multisystem inflammatory syndrome in children SARS-CoV-2

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Licorice-saponin A3 is a broad-spectrum inhibitor for COVID-19 by targeting viral spike and anti-inflammation

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Journal of Pharmaceutical Analysis 2024年第1期14卷 115-127页

作者： Yang Yi Wenzhe Li Kefang Liu Heng Xue Rong Yu Meng Zhang Yang-Oujie Bao Xinyuan Lai Jingjing Fan Yuxi Huang Jing Wang Xiaomeng Shi Junhua Li Hongping Wei Kuanhui Xiang Linjie Li Rong Zhang Xin Zhao Xue Qiao Hang Yang Min Ye State Key Laboratory of Natural and Biomimetic Drugs School of Pharmaceutical SciencesPeking UniversityBeijing100191China Yunnan Baiyao International Medical Research Center Peking UniversityBeijing100191China CAS Key Laboratory of pathogen Microbiology and immunology Institute of MicrobiologyChinese Academy of SciencesBeijing100101China CAS Key Laboratory of Special pathogens and Biosafety Center for Biosafety Mega-ScienceWuhan Institute of VirologyChinese Academy of SciencesWuhan430071China University of Chinese Academy of Sciences Beijing100049China department of Microbiology and Infectious Disease Center School of Basic Medical SciencesPeking University Health Science CenterPeking UniversityBeijing100191China Hubei Jiangxia Laboratory Wuhan430000China Shenzhen Children's Hospital ShenzhenGuangdong518036China

Currently,human health due to corona virus disease 2019(COVID-19)pandemic has been seriously *** coronavirus severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)spike(S)protein plays a crucial role in virus transmission and several S-based therapeutic approaches have been approved for the treatment of ***,the efficacy is compromised by the SARS-CoV-2 evolvement and *** we report the SARS-CoV-2 S protein receptor-binding domain(RBD)inhibitor licorice-saponin A3(A3)could widely inhibit RBD of SARS-CoV-2 variants,including Beta,Delta,and Omicron BA.1,XBB and ***,A3 could potently inhibit SARS-CoV-2 Omicron virus in Vero E6 cells,with EC50 of 1.016μ*** mechanism was related to binding with Y453 of RBD determined by hydrogen-deuterium exchange mass spectrometry(HDX-MS)analysis combined with quantum mechanics/molecular mechanics(QM/MM)***,phosphoproteomics analysis and multi fluorescent immunohistochemistry(mIHC)respectively indicated that A3 also inhibits host inflammation by directly modulating the JNK and p38 mitogen-activated protein kinase(MAPK)pathways and rebalancing the corresponding immune *** work supports A3 as a promising broad-spectrum small molecule drug candidate for COVID-19.

关键词： COVID-19 Inflammation Licorice-saponin A3 Receptor-binding domain(RBD) SARS-CoV-2

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