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Development and Diagnosis Performance of IgM-Based Rapid Antigen Test for Early Detection of SARS-CoV-2 Infection in a Large Cohort of Suspected COVID-19 Cases—USA,Poland,and Sweden,2021-2022

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China CDC weekly 2024年第37期6卷 953-961,I0009,I0010页

作者： Yihua Huang Yiyi Pu Youhong Weng Yahan Wu Qing He Sofia Litchev Longyou Zhao Haojie Ding Yunru Lai Jie Li Xiaojun Zheng Jinshu Chen XianqinXiong Shaohong Lu Fei Gao Meng Gao Qingming Kong department of Laboratory Medicine Lishui Second People's Hospital Affiliated to Wenzhou Medical UniversityLishui CityZhejiang ProvinceChina Key Laboratory of Biomarkers and In Vitro Diagnosis Translation of Zhejiang province School of Laboratory Medicine and BioengineeringHangzhou Medical CollegeHangzhou CityZhejiang ProvinceChina School of Basic Medicine and Forensics Key Laboratory of Bio-tech Vaccine of Zhejiang ProvinceEngineering Research Center of Novel Vaccine of Zhejiang ProvinceHangzhou Medical CollegeHangzhou CityZhejiang ProvinceChina The Fifth Affiliated Hospital of Wenzhou medical University Lishui CityZhejiang ProvinceChina Baylor College of Medicine HoustonTXUSA department of Research and Development Hangzhou AllTest Biotech Co.LtdHangzhou CityZhejiang ProvinceChina

Introduction:Antigen testing has been crucial in effectively managing the coronavirus disease 2019(COVID-19)*** study evaluated the clinical performance of a nasopharyngeal swab(NPS)-based antigen rapid diagnostic test(Ag-RDT)compared to the gold standard real-time reverse transcription-polymerase chain reaction(RT-PCR)for early detection of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2).Methods:We developed an IgM-based rapid antigen test for early detection of SARS-CoV-2 *** July 2021 and January 2022,we analyzed 1,030 NPS samples from participants at three centers in different countries,using both antigen rapid diagnostic tests(Ag-RDT)and ***:The Ag-RDT demonstrated minimal detection limits as low as 0.1 ng/mL for recombinant N antigen and 100 TCID50/mL for heat-inactivated SARS-CoV-2 *** assessments involving four human coronaviruses and 13 other respiratory viruses showed no *** Ag-RDT assay(ALLtest)exhibited high sensitivity(93.18%-100%)and specificity(99.67%-100%)across all *** such as cycle threshold(Ct)values and the timing of symptoms since onset were influential,with sensitivity increasing at lower Ct values(<30)and within the first week of ***:The ALLtest Ag-RDT demonstrated high reliability and significant potential for diagnosing suspected COVID-19 cases.

关键词： Antigen specificity centers

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Natural hydrogel dressings in wound care: Design, advances, and perspectives

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Chinese Chemical Letters 2024年第10期35卷 28-38页

作者： Xiaoliu Liang Chunliu Huang Hui Liu Hu Chen Jiabao Shou Hongwei Cheng Gang Liu State Key Laboratory of Infectious Disease vaccine Development Xiang An Biomedicine LaboratoryNational Innovation Platform for Industry-Education Integration in Vaccine ResearchState Key Laboratory of Molecular Vaccinology and Molecular DiagnosticsCenter for Molecular Imaging and Translational MedicineSchoolofPublicHealthXiamenUniversityXiamen361102China department of Burns and Plastics Surgery Liuzhou Worker's HospitalFourth Afliated Hospital of Guangxi Medical UniversityLiuzhou 545000China Institute of Applied Physics and Materials Engineering Zhuhai UM Science&Technology Research InstituteUniversity of MacaoMacao SAR 999078China

Natural hydrogels have emerged as a pivotal innovation in wound care,offering a unique combination of high absorbency,biocompatibility,and ***,due to the complexity of wound healing,the physiological state of the wound varies dynamically,and the mechanism of natural hydrogels that boost wound healing is still *** this review,we firstly provide a comprehensive introduction to the bio-logical process of wound healing,emphasizing the critical stages and factors affecting *** work concludes the composition and properties of natural hydrogels,including collagen,gelatin,hyaluronic acid,chitosan,alginates,cellulose,and fibroin,highlighting their biocompatibility and *** focus shifts to the various crosslinking strategies employed to enhance the structural integrity and functionality of natural *** review further investigates the biological effects of natural hydro-gels in wound healing,detailing their antibacterial,antioxidant,anti-inflammatory,adhesive,and hemo-static ***,we propose the challenges and future perspectives of natural hydrogels in practical *** review offers a comprehensive overview of the current state and poten-tial future advancements in natural hydrogel dressings for wound care,highlighting their critical role in addressing complex and hard-to-heal wounds.

关键词： Natural hydrogel Wound dressing Crosslinking strategy Antibacterial Anti-inflammation

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Molecular Characterization of Coxsackievirus B1 Strains Isolated from Patients with Hand Foot and Mouth Disease in Yunnan,Southwest China

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Biomedical and Environmental Sciences 2024年第5期37卷 543-548页

作者： XU Dan Han ZHANG Ming CHEN Jun Wei Feng Chang Zeng LIU Yu Han CHU Zhao Yang LIU Wen Jing LI Li MA Shao Hui Institute of medical Biology Chinese Academy of Medical Sciencesand Peking Union Medical CollegeKunming 650118YunnanChina Yunnan Key Laboratory of vaccine Research Development on Severe Infectious Disease Kunming 650118YunnanChina School of Life Sciences Yunnan UniversityKunming 650504YunnanChina School of Medicine Yunnan UniversityKunming 650504YunnanChina department of Clinical Laboratory Kunming Maternal and Child Health hospital Kunming 650031YunnanChina

Coxsackievirus(CV)B belongs to the species Enterovirus B,genus Enterovirus of the family *** B(EV-B)includes 63 serotypes:CVB1-6;CVA9;echoviruses E1-7,9,11-21,24-27,and 29-33;EV-B69,EV-B 73-75,EV-B77-88,EV-B 93,EV-B 9... 详细信息

关键词： Coxsackievirus Patients belongs

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Protectivity of Freeze Dried Inactivated Rift Valley Fever vaccine

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Open Journal of Veterinary Medicine 2024年第2期14卷 21-37页

作者： Diana M. Abulmagd Mohamed Hassan Atwa Noha Ezz Aldin Marwa Yehia Hammad Taradi Abdel Fattah Said Rift Valley Fever vaccine Research department Veterinary Serum and Vaccine Research Institute Agriculture Research Center (ARC) Cairo Egypt

Background: Vaccinations for animals are crucial for food production, animal welfare, public health, and animal health. They are an affordable way to stop animal sickness, increase food production efficiency, and lessen or stop the spread of zoonotic diseases to humans. Animal vaccines that are both safe and efficacious are vital to modern culture. The vaccine should induce a strong, protective and prolonged immune response against the antigenic factor. In order to achieve these goals, novel vaccination techniques and an efficient adjuvant are required to render the vaccine immunogenically protective and trigger a strong immune response. Aim: Our study aims to promote and enhance the immunogenicity against RVF virus disease through lyophilized inactivated RVF vaccine through induction of early cellular, high and prolonged humeral immunity in vaccinated animals using cabopol as stabilizer and Saponin or normal saline as a diluent at time of vaccination. Moreover, manufacturing of these vaccines is easy to be done. Results: The gained results revealed that RVF freeze-dried vaccine with Carbopol that reconstituted using Saponin elicited better immune response than that reconstituted using normal saline (NaCl). The cell mediated immune response as represented by lymphocyte blastogenesis and phagocytic activity were markedly increased with high levels when we used Saponin as a diluent than that in group vaccinated with vaccine diluted with NaCl, on the other side the humeral immune response in group vaccinated using the Saponin as diluent is more detected and stayed within the protective level till the end of 11th month post vaccination (1.5 TCID50) while the immune response induced after using normal saline as a diluent stayed within the protective level till the end of 10th month post vaccination (1.8 TCID50). Conclusion: The use of Saponin as a diluent for reconstitution of the freeze dried RVF vaccine is preferable than the

关键词： Rift Valley Fever Saponin Cabopol Binary Ethylenemine Serum Neutralization Test

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Phosphorylated protein chip combined with artificial intelligence tools for precise drug screening

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Journal of Biomedical Research 2024年第3期38卷 195-205页

作者： Katsuhisa Horimoto Yuki Suyama Tadamasa Sasaki Kazuhiko Fukui Lili Feng Meiling Sun Yamin Tang Yixuan Zhang Dongyin Chen Feng Han SOCIUM Inc. Tokyo 1350064Japan International medical Center Saitama Medical UniversitySaitama 350-1298Japan Artificial Intelligence Research Center National Institute of Advanced Industrial Science and TechnologyTokyo 1350064Japan department of Informatics and Data Science Sanyo-Onoda City UniversityYamaguchi 7560884Japan International Joint Laboratory for Drug Target of Critical Illnesses School of PharmacyNanjing Medical UniversityNanjingJiangsu 211166China department of Physiology School of Basic Medical SciencesNanjing Medical UniversityNanjingJiangsu 211166China Gusu School Nanjing Medical UniversitySuzhouJiangsu 215001China National vaccine Innovation Platform Nanjing Medical UniversityNanjingJiangsu 211166China

We have developed a protein array system,named"Phospho-Totum",which reproduces the phosphorylation state of a sample on the *** protein array contains 1471 proteins from 273 known signaling *** to the activation degrees of tyrosine kinases in the sample,the corresponding groups of substrate proteins on the array are phosphorylated under the same *** addition to measuring the phosphorylation levels of the 1471 substrates,we have developed and performed the artificial intelligence-assisted tools to further characterize the phosphorylation state and estimate pathway activation,tyrosine kinase activation,and a list of kinase inhibitors that produce phosphorylation states similar to that of the *** Phospho-Totum system,which seamlessly links and interrogates the measurements and analyses,has the potential to not only elucidate pathophysiological mechanisms in diseases by reproducing the phosphorylation state of samples,but also be useful for drug discovery,particularly for screening targeted kinases for potential drug kinase inhibitors.

关键词： Phospho-Totum protein array signal transduction pathways artificial intelligence tools drug screening

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ASF1A-dependent P300-mediated histone H3 lysine 18 lactylation promotes atherosclerosis by regulating EndMT

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Acta Pharmaceutica Sinica B 2024年第7期14卷 3027-3048页

作者： Mengdie Dong Yunjia Zhang Minghong Chen Yongkang Tan Jiao Min Xian He Fuhao Liu Jiaming Gu Hong Jiang Longbin Zheng Jiajing Chen Quanwen Yin Xuesong Li Xiang Chen Yongfeng Shao Yong Ji Hongshan Chen department of Cardiovascular Surgery the First Affiliated Hospital of Nanjing Medical Universityand Key Laboratory of Cardiovascular and Cerebrovascular MedicineSchool of PharmacyNational Vaccine Innovation PlatformNanjing Medical UniversityNanjing 211166China Key Laboratory of Cardiovascular and Cerebrovascular Medicine School of PharmacyNanjing Medical UniversityNanjing 211166China department of Clinical Medicine Nanjing Medical University TIANYUAN Honors SchoolNanjing Medical UniversityNanjing 211166China department of Anesthesiology Sir Run Run HospitalNanjing Medical UniversityNanjing 211166China department of Cardiovascular Surgery the First Affiliated Hospital of Nanjing Medical UniversityNanjing 211166China Key Laboratory of Cardiovascular and Cerebrovascular Medicine Key Laboratory of Targeted Intervention of Cardiovascular DiseaseCollaborative Innovation Center for Cardiovascular Disease Translational MedicineState Key Laboratory of Reproductive MedicineSchool of Pharmacythe Affiliated Suzhou Hospital of Nanjing Medical UniversityGusu SchoolNanjing Medical UniversityNanjing 211166China National Key Laboratory of Frigid Zone Cardiovascular Diseases(NKLFZCD) Department of Pharmacology(State-Province Key Laboratories of Biomedicine-Pharmaceutics of China)College of PharmacyKey Laboratory of Cardiovascular Medicine Research and Key Laboratory of Myocardial IschemiaChinese Ministry of EducationNHC Key Laboratory of Cell Transplantationthe Central Laboratory of the First Affiliated HospitalHarbin Medical UniversityHarbin 150081China Key Laboratory of Targeted Intervention of Cardiovascular Disease Collaborative Innovation Center for Cardiovascular Disease Translational MedicineNanjing Medical UniversityNanjing 211166China department of Cardiology Huai’an First People’s Hospital Affiliated with Nanjing Medical UniversityHuai’an 223399China

Endothelial-to-mesenchymal transition(EndMT)is a key driver of *** glycolysis is increased in the endothelium of atheroprone areas,accompanied by elevated lactate *** lactylation,mediated by lactate,can regulate gene expression and participate in disease ***,whether histone lactylation is involved in atherosclerosis remains ***,we report that lipid peroxidation could lead to EndMT-induced atherosclerosis by increasing lactatedependent histone H3 lysine 18 lactylation(H3K18la)in vitro and in vivo,as well as in atherosclerotic patients’***,the histone chaperone ASF1A was first identified as a cofactor of P300,which precisely regulated the enrichment of H3K18la at the promoter of SNAI1,thereby activating SNAI1 transcription and promoting *** found that deletion of ASF1A inhibited EndMT and improved endothelial *** analysis based on Apoe^(KO)Asf1a^(ECKO) mice in the atherosclerosis model confirmed the involvement of H3K18la in atherosclerosis and found that endotheliumspecific ASF1A deficiency inhibited EndMT and alleviated atherosclerosis *** of glycolysis by pharmacologic inhibition and advanced PROTAC attenuated H3K18la,SNAI1 transcription,and EndMT-induced *** study illustrates precise crosstalk between metabolism and epigenetics via H3K18la by the P300/ASF1A molecular complex during EndMT-induced atherogenesis,which provides emerging therapies for atherosclerosis.

关键词： Histone lactylation Atherosclerosis Endothelial-tomesenchymal transition ASF1A SNAI1 Endothelial dysfunction Lactate Epigenetic

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Polio eradication surveillance in Sri Lanka,2019-2023

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Asian Pacific Journal of Tropical Medicine 2024年第6期17卷 268-272页

作者： M.A.Y.Fernando N.S.Madarasinghe C.Rangana N.Weerasinghe D.C.U.D.Weligamage J.I.Abeynayake department of medical Microbiology and Immunology Faculty of MedicineUniversity of ColomboSri Lanka department of Virology Medical Research InstituteColombo 08Sri Lanka medical Research Institute Colombo 08Sri Lanka

Objective:To evaluate the polio laboratory surveillance carried out from January,2019 to May,2023 by the Polio Regional Reference Laboratory,Sri ***:This retrospective study analyzed all stool samples received under the acute flaccid paralysis(AFP)and immunodeficient vaccine-derived poliovirus(VDPV)surveillance at Polio Regional Reference Laboratory,Sri Lanka from January,2019 to May,*** results of the testing methodologies were extracted from the laboratory data system,i.e.,poliovirus virus isolation,intra-typic differentiation/VDPV real time reverse transcriptase polymerase chain reaction(ITD/VDPV rRTPCR)and sequencing,along with the data on timing of reporting results,stool adequacy and *** was analyzed using descriptive ***:A total of 2141 stool samples from 1644 cases were received for AFP surveillance from Sri Lanka(93.61%),Maldives(1.52%),and immunodeficient VDPV(4.86%)*** polioviruses(19/1644,1.15%)and non-polio enteroviruses(73/1644,4.44%)were isolated,while Sabin-like 3 virus was detected in majority(12/19,63.15%)among the poliovirus *** polioviruses or circulating VDPVs were not detected among the *** all years of the study,the non-polio AFP detection rate was>1/100000 in children aged less than 15 years,whereas stool adequacy rate was>80%.All results were reported within 14 days of receipt,ensuring timely reporting as per global ***:The Polio Regional Reference Laboratory,Sri Lanka plays a vital role in maintaining the polio-free status in the country through its robust laboratory surveillance,while adhering to the surveillance ***-detection of wild polioviruses and circulating VDPV during the study period reinforces the polio-free status in the country.

关键词： Poliovirus Polio laboratory surveillance Regional reference laboratory Polio eradication

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A rare complication of measles infection presented with subacute sclerosing panencephalitis: Report of two cases in India

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Asian Pacific Journal of Tropical Medicine 2024年第4期17卷 184-187页

作者： Razeen Fatima Amir Husain Iram Tabish department of Medicine JN Medical CollegeAMUAligarhIndia

Rationale:Subacute sclerosing panencephalitis(SSPE)is a progressive neurological disorder caused by persistent measles virus *** predominantly affects children and *** symptoms usually develop 6-15 years after measles infection and ultimately leading to death in many *** concerns:Patient 1 presented with cognitive decline and myoclonus and the Patient 2 presented with diminution of vision with myoclonic ***:Based on the clinical features with a characteristic electroencephalogram pattern and the presence of a high titer of anti-measles IgG in serum and cerebrospinal fluid,these patients were diagnosed as ***:Antiepileptics were started for controlling myoclonus along with supportive ***:Both patients were discharged on antiepileptics and supportive ***:Whenever there are unusual clinical manifestations with unknown vaccination status,SSPE can be suspected and the cerebrospinal fluid should be examined for anti-measles *** case study also highlights the importance of universal coverage of measles *** reduce the incidence of measles and associated deaths,it is important to maintain a high level of immunization coverage for the measles vaccine and to strengthen all the integral components of the national immunization program.

关键词： Subacute sclerosing panencephalitis Measles Myoclonus Electroencephalogram Cerebrospinal fluid

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Combination therapy with oncolytic virus and T cells or mRNA vaccine amplifies antitumor effects

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2655-2668页

作者： Rao Fu Ruoyao Qi Hualong Xiong Xing Lei Yao Jiang Jinhang He Feng Chen Liang Zhang Dekui Qiu Yiyi Chen Meifeng Nie Xueran Guo Yuhe Zhu Jinlei Zhang Mingxi Yue Jiali Cao Guosong Wang Yuqiong Que Mujing Fang Yingbin Wang Yixin Chen Tong Cheng Shengxiang Ge Jun Zhang Quan Yuan Tianying Zhang Ningshao Xia State Key Laboratory of vaccines for Infectious Diseases Xiang An Biomedicine LaboratoryDepartment of Laboratory MedicineSchool of Public Health&School of Life SciencesXiamen UniversityXiamen 361102 FujianChina National Institute of Diagnostics and vaccine Development in Infectious Diseases Xiamen 361102 FujianChina

Antitumor therapies based on adoptively transferred T cells or oncolytic viruses have made significant progress in recent years,but the limited efficiency of their infiltration into solid tumors makes it difficult to achieve desired antitumor effects when used *** this study,an oncolytic virus(rVSV-LCMVG)that is not prone to induce virus-neutralizing antibodies was designed and combined with adoptively transferred T *** transforming the immunosuppressive tumor microenvironment into an immunosensitive one,in B16 tumor-bearing mice,combination therapy showed superior antitumor effects than *** occurred whether the OV was administered intratumorally or *** therapy significantly increased cytokine and chemokine levels within tumors and recruited CD8^(+)T cells to the TME to trigger antitumor immune *** with adoptively transferred T cells and subsequent oncolytic virotherapy sensitizes refractory tumors by boosting T-cell recruitment,downregulating the expression of PD-1,and restoring effector T-cell *** offer a combination therapy with greater translational value,mRNA vaccines were introduced to induce tumor-specific T cells instead of adoptively transferred T *** combination of OVs and mRNA vaccine also displays a significant reduction in tumor burden and prolonged *** study proposed a rational combination therapy of OVs with adoptive T-cell transfer or mRNA vaccines encoding tumor-associated antigens,in terms of synergistic efficacy and mechanism.

关键词： transferred rational boosting

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A Stochastic Model to Assess the Epidemiological Impact of vaccine Booster Doses on COVID-19 and Viral Hepatitis B Co-Dynamics with Real Data

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Computer Modeling in Engineering & Sciences 2024年第3期138卷 2973-3012页

作者： Andrew Omame Mujahid Abbas Dumitru Baleanu department of Mathematics Federal University of TechnologyOwerri460114Nigeria Abdus Salam School of Mathematical Sciences Government College UniversityLahore54000Pakistan department of Mathematics Government College UniversityLahore54000Pakistan department of Computer Science and Mathematics Labanese American UniversityBeirutLebanon Institute of Space Sciences Magurele-BucharestRomania department of medical Research China Medical University HospitalChina Medical UniversityTaichung40402Taiwan

A patient co-infected with COVID-19 and viral hepatitis B can be atmore risk of severe complications than the one infected with a single *** study develops a comprehensive stochastic model to assess the epidemiological impact of vaccine booster doses on the co-dynamics of viral hepatitis B and *** model is fitted to real COVID-19 data from *** proposed model incorporates logistic growth and saturated incidence *** analyses using the tools of stochastic calculus,are performed to study appropriate conditions for the existence of unique global solutions,stationary distribution in the sense of ergodicity and disease *** stochastic threshold estimated from the data fitting is given by:R_(0)^(S)=*** assessments are implemented to illustrate the impact of double-dose vaccination and saturated incidence functions on the dynamics of both *** effects of stochastic white noise intensities are also highlighted.

关键词： Viral hepatitis B COVID-19 stochastic model extinction ergodicity real data

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