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A nanobody-based blocking enzyme-linked immunosorbent assay for detecting antibodies against pseudorabies virus glycoprotein E

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Journal of Integrative Agriculture 2024年第4期23卷 1354-1368页

作者： Huanhuan Lü Pinpin Ji Siyu Liu Ziwei Zhang Lei Wang Yani Sun Baoyuan Liu Lizhen Wang Qin Zhao Department of Preventive Veterinary Medicine College of Veterinary MedicineNorthwest A&F University/Shaanxi Scientific Observing and Experimental Station of Veterinary Pharmacology and Diagnostic TechnologyMinistry of Agriculture and Rural AffairsYangling 712100China

Pseudorabies(PR)is an acute infectious disease of pigs caused by the PR virus(PRV)and results in great economic losses to the pig industry *** glycoprotein E(gE)-based enzyme-linked immunosorbent assay(ELISA)has been used to distinguish gE-deleted vaccine-immunized pigs from wild-type virus-infected pigs to eradicate PR in some *** has the advantages of small size and easy genetic engineering and has been a promising diagnostic ***,there were few reports about developing nanobody-based ELISA for detecting anti-PRV-gE *** the present study,the recombinant PRV-gE was expressed with a bacterial system and used to immunize the Bactrian ***,two nanobodies against PRV-gE were screened from the immunized camel by phage display ***,two nanobody-HRP fusion proteins were expressed with HEK293T *** PRV-gE-Nb36-HRP fusion protein was selected as the probe for developing the blocking ELISA(bELISA)to detect anti-PRV-gE *** optimizing the conditions of bELISA,the amount of coated antigen was 200 ng per well,and dilutions of the fusion protein and tested pig sera were separately 1:320 and 1:*** cut-off value of bELISA was 24.20%,and the sensitivity and specificity were 96.43 and 92.63%,*** detecting 233 clinical pig sera with the developed bELISA and a commercial kit,the results showed that the coincidence rate of two assays was 93.99%.Additionallly,epitope mapping showed that PRV-gE-Nb36 recognized a conserved conformational epitope in different reference PRV ***,great stability and low-cost nanobody-based bELISA for detecting anti-PRV-gE antibodies were *** bELISA could be used for monitoring and eradicating PR.

关键词： nanobody nanobody-HRP blocking ELISA PRV-gE antibody

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Amplifying protection against acute lung injury:Targeting both inflammasome and cGAS-STING pathway by Lonicerae Japonicae Flos-Forsythiae Fructus drug pair

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Chinese Herbal Medicines 2024年第3期16卷 422-434页

作者： Junjie Li Ming Dong Qing Yao Xu Dong Yuanyuan Chen Jincai Wen Yingjie Xu Zhixin Wu Xiaomei Zhao Ye Xiu Xiaoyan Zhan Zhaofang Bai Xiaohe Xiao Chengde Medical University Chengde 067000China Department of Hepatology The Fifth Medical Center of PLA General HospitalBeijing 100039China China Military Institute of Chinese Materia Fifth Medical Center of Chinese PLA General HospitalBeijing 100039China National Key laboratory of Kidney Diseases The Fifth Medical Center of PLA General HospitalBeijing 100039China School of Stomatology Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application&Experimental Center for Stomatology EngineeringJiamusi UniversityJiamusi 154007China Southern Medical University Guangzhou 510515China

Objective:Acute lung injury(ALI)is characterized by inflammation and currently lacks an efficacious pharmacological *** medicine combination of Lonicerae Japonicae Flos(LJF)and Forsythiae Fructus(FF)demonstrates combined properties in its anti-infective,anti-inflammatory,and therapeutic effects,particularly in alleviating respiratory *** previous studies,Chinese medicine has shown promising efficacy in lipopolysaccharides(LPS)-induced ***,there have been no reports of LJF and FF pairing for lung *** aim of this study is to compare the efficacy of herb pair Lonicerae Japonicae Flos-Forsythiae Fructus(LF)with LJF or FF alone in the treatment of ALI,and to explore whether LJF and FF have a combined effect in the treatment of lung injury,along with the underlying mechanism ***:A total of 36 mice were divided into six groups(control,model,LJF,FF,LF,dexamethasone)based on the treatments they received after undergoing sham-operation/LPS tracheal instillation.H&E staining and pulmonary edema indexes were used to evaluate lung injury *** exudate cells(AECs)were counted based on cell count in bronchoalveolar lavage fluid(BALF),and neutrophil percentage in BALF was measured using flow ***(MPO)activity in BALF was measured using enzyme-linked immunosorbent assay(ELISA),while the production of IL-1β,TNF-α,and IL-6 in the lung and secretion level of them in BALF were detected by quantitative polymerase chain reaction(qPCR)and *** effect of LJF,FF,and LF on the expression of Caspase-1 and IL-1βproteins in bone marrow derived macrophages(BMDMs)supernatant was assessed using Western blot method under various inflammasome activation *** addition,the concentration of IL-1βand changes in lactatedehydrogenase(LDH)release levels in BMDMs supernatant after LJF,FF,and LF administration,respectively,were measured using ***,the effects of LJF,FF and LF on STING and IRF3 phosphor

关键词： acute lung injury BMDMS inflammasomes Lonicerae Japonicae Flos-Forsythia Fructus drug pair STING

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Rheum palmatum L. and Salvia miltiorrhiza Bge. Alleviates Acute Pancreatitis by Regulating Th17 Cell Differentiation: An Integrated Network Pharmacology Analysis, Molecular Dynamics Simulation and experimental Validation

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Chinese Journal of Integrative Medicine 2024年第5期30卷 408-420页

作者： FENG Min-chao LUO Fang HUANG Liang-jiang LI Kai CHEN Zu-min LI Hui YAO Chun QIN Bai-jun CHEN Guo-zhong The First clinical Medical College Guangxi University of Traditional Chinese MedicineNanning 530000China Guangxi Key laboratory of Molecular Biology of Traditional Chinese Medicine and Preventive Medicine Nanning 530000China Graduate School Guangxi University of Traditional Chinese MedicineNanning 530000China Department of Gastroenterology the First Affiliated Hospital of Guangxi University of Traditional Chinese MedicineNanning 530023China

Objective: To identify the core targets of Rheum palmatum L. and Salvia miltiorrhiza Bge.,(Dahuang-Danshen, DH-DS) and the mechanism underlying its therapeutic efficacy in acute pancreatitis(AP)using a network pharmacology approach and validate the findings in animal experiments. Methods: Network pharmacology analysis was used to elucidate the mechanisms underlying the therapeutic effects of DH-DS in AP. The reliability of the results was verified by molecular docking simulation and molecular dynamics ***, the results of network pharmacology enrichment analysis were verified by immunohistochemistry,Western blot analysis and real-time quantitative PCR, respectively. Results: Sixty-seven common targets of DH-DS in AP were identified and mitogen-activated protein kinase 3(MAPK3), Janus kinase 2(JAK2), signal transducer and activator of transcription 3(STAT3), protein c-Fos(FOS) were identified as core targets in the protein interaction(PPI) network analysis. Gene ontology analysis showed that cellular response to organic substance was the main functions of DH-DS in AP, and Kyoto Encyclopedia of Genes and Genomes analysis showed that the main pathway included Th17 cell differentiation. Molecular docking simulation confirmed that DH-DS binds with strong affinity to MAPK3, STAT3 and FOS. Molecular dynamics simulation revealed that FOS-isotanshinone Ⅱ and STAT3-dan-shexinkum d had good binding capacity. Animal experiments indicated that compared with the AP model group, DH-DS treatment effectively alleviated AP by inhibiting the expression of interleukin-1β, interleukin-6 and tumor necrosis factor-α, and blocking the activation of Th17 cell differentiation(P<0.01). Conclusion: DH-DS could inhibit the expression of inflammatory factors and protect pancreatic tissues,which would be functioned by regulating Th17 cell differentiation-related m RNA and protein expressions.

关键词： Rheum palmatum L. Salvia miltiorrhiza Bge. molecular docking simulation network pharmacology acute pancreatitis Th17 cell differentiation

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Periodontitis exacerbates pulmonary hypertension by promoting IFNγ+T cell infiltration in mice

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International Journal of Oral Science 2024年第2期16卷 359-369页

作者： Xiaoqian Meng Linjuan Du Shuo Xu Lujun Zhou Boyan Chen Yulin Li Chumao Chen Huilin Ye Jun Zhang Guocai Tian Xuebing Bai Ting Dong Wenzhen Lin Mengjun Sun Kecong Zhou Yan Liu Wuchang Zhang Shengzhong Duan Department of Endodontics Shanghai Ninth People’s HospitalCollege of StomatologyShanghai Jiao Tong University School of MedicineShanghaiChina laboratory of Oral Microbiota and Systemic Diseases Shanghai Ninth People’s HospitalCollege of StomatologyShanghai Jiao Tong University School of MedicineNational Center for StomatologyNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghaiChina Hongqiao International Institute of Medicine Shanghai Tongren Hospital/Faculty of Basic MedicineKey Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of EducationShanghai Jiao Tong University School of MedicineShanghaiChina Department of Orthodontics Shanghai Ninth People’s HospitalCollege of StomatologyShanghai Jiao Tong University School of MedicineShanghaiChina Department of Periodontology Shanghai Ninth People’s HospitalCollege of StomatologyShanghai Jiao Tong University School of MedicineShanghaiChina Stomatology Hospital School of StomatologyZhejiang University School of MedicineHangzhouChina

Uncovering the risk factors of pulmonary hypertension and its mechanisms is crucial for the prevention and treatment of the *** the current study,we showed that experimental periodontitis,which was established by ligation of molars followed by orally smearing subgingival plaques from patients with periodontitis,exacerbated hypoxia-induced pulmonary hypertension in ***,periodontitis dysregulated the pulmonary microbiota by promoting ectopic colonization and enrichment of oral bacteria in the lungs,contributing to pulmonary infiltration of interferon gamma positive(IFNγ^(+))T cells and aggravating the progression of pulmonary *** addition,we identified Prevotella zoogleoformans as the critical periodontitis-associated bacterium driving the exacerbation of pulmonary hypertension by periodontitis,and the exacerbation was potently ameliorated by both cervical lymph node excision and IFNγneutralizing *** study suggests a proof of concept that the combined prevention and treatment of periodontitis and pulmonary hypertension are necessary.

关键词： hypertension prevention interferon

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The future of artificial hibernation medicine:protection of nerves and organs after spinal cord injury

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Neural Regeneration research 2024年第1期19卷 22-28页

作者： Caiyun Liu Haixin Yu Zhengchao Li Shulian Chen Xiaoyin Li Xuyi Chen Bo Chen School of Acupuncture&Moxibustion and Tuina Tianjin University of Traditional Chinese MedicineTianjinChina research Center of experimental Acupucture Science Tianjin University of Traditional Chinese MedicineTianjinChina Characteristic Medical Center of Chinese People’s Armed Police Force TianjinChina Binhai New Area Hospital of TCM TianjinChina Fourth Teaching Hospital of Tianjin University of TCM TianjinChina

Spinal cord injury is a serious disease of the central nervous system involving irreversible nerve injury and various organ system *** present,no effective clinical treatment *** one of the artificial hibernation techniques,mild hypothermia has preliminarily confirmed its clinical effect on spinal cord ***,its technical defects and barriers,along with serious clinical side effects,restrict its clinical application for spinal cord *** hibernation is a futureoriented disruptive technology for human life *** involves endogenous hibernation inducers and hibernation-related central neuromodulation that activate particular neurons,reduce the central constant temperature setting point,disrupt the normal constant body temperature,make the body adapt"to the external cold environment,and reduce the physiological resistance to cold ***,studying the artificial hibernation mechanism may help develop new treatment strategies more suitable for clinical use than the cooling method of mild hypothermia *** review introduces artificial hibernation technologies,including mild hypothermia technology,hibernation inducers,and hibernation-related central neuromodulation *** summarizes the relevant research on hypothermia and hibernation for organ and nerve *** studies show that artificial hibernation technologies have therapeutic significance on nerve injury after spinal co rd injury through inflammatory inhibition,immunosuppression,oxidative defense,and possible central *** also promotes the repair and protection of res pirato ry and digestive,cardiovascular,locomoto r,urinary,and endocrine *** review provides new insights for the clinical treatment of nerve and multiple organ protection after spinal cord injury thanks to artificial *** present,artificial hibernation technology is not mature,and research fa ces various *** rtheless,the effort is wo rthwhi

关键词： artificial hibernation central thermostatic-resista nt regulation hypothermia multi-system protection neuroprotection organ protection spinal cord injury synthetic torpor

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Herbal compounds as promising therapeutic agents in precision medicine strategies for cancer:A systematic review

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Journal of Integrative Medicine 2024年第2期22卷 137-162页

作者： Bizhar Ahmed Tayeb Ikhwan Yuda Kusuma Alaa A.M.Osman Renáta Minorics Institute of Pharmacodynamics and Biopharmacy Faculty of PharmacyUniversity of Szeged6720 SzegedHungary Institution of clinical Pharmacy Faculty of PharmacyUniversity of Szeged6725 SzegedHungary Department of clinical Pharmacy and Pharmacy Practice Faculty of PharmacyUniversity of Gezira20 Wad MadaniSudan Pharmacy Study Program Facuity of HealthUniversitas Harapan BangsaPurwokerto 53182Indonesia

Background:The field of personalized medicine has gained increasing attention in cancer care,with the aim of tailoring treatment strategies to individual patients for improved *** medicine,with its long-standing historical use and extensive bioactive compounds,offers a rich source of potential treatments for various diseases,including ***:To provide an overview of the current knowledge and evidence associated with incorporating herbal compounds into precision medicine strategies for cancer ***,to explore the general characteristics of the studies included in the analysis,focusing on their key features and *** strategy:A comprehensive literature search was conducted from multiple online databases,including Pub Med,Scopus,Web of Science,and *** search strategy was designed to identify studies related to personalized cancer medicine and herbal *** criteria:Publications pertaining to cancer research conducted through in vitro,in vivo,and clinical studies,employing natural products were included in this *** extraction and analysis:Two review authors independently applied inclusion and inclusion criteria,data extraction,and assessments of methodological *** quality assessment and biases of the studies were evaluated based on modified Jadad scales.A detailed quantitative summary of the included studies is presented,providing a comprehensive description of their key features and ***:A total of 121 studies were included in this review for *** of them were considered as comprehensive experimental investigations both in vitro and in *** majority(n=85)of the studies included in this review were conducted in vitro,with 44 of them specifically investigating the effects of herbal medicine on animal ***,7 articles with a combined sample size of 31,271 patients,examined the impact of herbal medicine in clinical ***:Personal

关键词： Cancer Herbal medicine Personalized medication Active phytochemicals Natural compound

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Gehua Jiejiu Dizhi decoction(葛花解酒涤脂汤)ameliorates alcoholic fatty liver in mice by regulating lipid and bile acid metabolism and with exertion of antioxidant stress based on 4DLabel-free quantitative proteomic study

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Journal of Traditional Chinese Medicine 2024年第2期44卷 277-288页

作者： HAN Min YI Xu YOU Shaowei WU Xueli WANG Shuoshi HE Diancheng Guizhou University of Traditional Chinese Medicine Graduate SchoolGuiyang 550025China Department of clinical medical laboratory Department of Gastroenterologythe Second Affiliated Hospital of Guizhou University of Traditional Chinese MedicineGuiyang 550003China

OBJECTIVE:To analyze the effect and molecular mechanism of Gehua Jiejiu Dizhi decoction(葛花解酒涤脂汤,GJDD)on alcoholic fatty live disease(AFLD)by using proteomic ***:The male C57BL/6J mouse were randomly divided into four groups:control group,model group,GJDD group and resveratrol *** the AFLD model was successfully prepared by intragastric administration of alcohol once on the basis of the Lieber-DeCarli classical method,the GJDD group and resveratrol group were intragastrically administered with GJDD(4900 mg/kg)and resveratrol(400 mg/kg)respectively,once a day for 9 *** fat deposition of liver tissue was observed and evaluated by oil red O(ORO)staining.4DLabel-free quantitative proteome method was used to determine and quantify the protein expression in liver tissue of each experimental *** differentially expressed proteins were screened according to protein expression differential multiples,and then analyzed by Gene ontology classification and Kyoto Encyclopedia of Genes and Genomes pathway ***,expression validation of the differentially co-expressed proteins from control group,model group and GJDD group were verified by targeted proteomics quantification ***:In semiquantitative analyses of ORO,all kinds of steatosis(ToS,MaS,and MiS)were evaluated higher in AFLD mice compared to those in GJDD or resveratroltreated mice.4DLabel-free proteomics analysis results showed that a total of 4513 proteins were identified,of which 3763 proteins were quantified and 946 differentially expressed proteins were *** with the control group,145 proteins were up-regulated and 148 proteins were down-regulated in the liver tissue of model *** addition,compared with the model group,92 proteins were up-regulated and 135 proteins were downregulated in the liver tissue of the GJDD group.15 differentially co-expressed proteins were found between every two groups(model group vs control group,GJDD group vs model group an

关键词： fatty liver alcoholic 4DLabel-free quantitative proteome targeted protein quantification Gehua Jiejiu Dizhi decoction

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Progress,implications,and challenges in using humanized immune system mice in CAR-T therapy-Application evaluation and improvement

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Animal Models and experimental Medicine 2024年第1期7卷 3-11页

作者： Hanwei Yue Lin Bai NHC Key laboratory of Human Disease Comparative Medicine Institute of Laboratory Animal SciencesCAMS and PUMCChao-yang DistrictBeijingChina

In recent years,humanized immune system(HIS)mice have been gradually used as models for preclinical research in pharmacotherapies and cell therapies with major breakthroughs in tumor and other fields,better mimicking the human immune system and the tumor immune microenvironment,compared to traditional immunodeficient *** better promote the application of HIS mice in preclinical research,we se-lectively summarize the current prevalent and breakthrough research and evaluation of chimeric antigen receptor(CAR)-T cells in various antiviral and antitumor *** exploring its application in preclinical research,we find that it can better reflect the actual clinical patient condition,with the advantages of providing high-efficiency detection indicators,even for progressive research and *** believe that it has better clinical patient simulation and promotion for the updated design of CAR-T cell therapy than directly transplanted immunodeficient *** characteristics of the main models are proposed to improve the use defects of the existing models by reducing the limitation of antihost reaction,combining multiple models,and unifying sources and organoid *** study of relapse and toxicity after CAR-T treatment also provides more possibilities for application and development.

关键词： antitumor antiviral CAR-T humanized immune system model humanized mice preclinical research

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clinical profile and risk factors of Strongyloides stercoralis infection

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Asian Pacific Journal of Tropical Medicine 2024年第1期17卷 43-44页

作者： Rupak Chatterjee Alisha Acharya Subhoroop Ghosh Shatavisa Mukherjee Tapashi Ghosh Nandini Chatterjee Netai Pramanik Department of Tropical Medicine School of Tropical MedicineKolkataWest BengalIndia Department of Microbiology School of Tropical MedicineKolkataWest BengalIndia Eastern Regional Centre National One Health Program for Prevention and Control of ZoonosesSchool of Tropical Medicine KolkataWest BengalIndia Department of clinical&experimental Pharmacology School of Tropical MedicineKolkataWest BengalIndia Department of Medicine IPGMER-SSKM HospitalKolkataWest BengalIndia

Strongyloides(S.)stercoralis,endemic in tropical and subtropical countries,is a soil-transmitted geohelminth human parasite belonging to a group of nematodes called *** is one of the most overlooked parasitic infections enlisted among the WHO"neglected tropical diseases"[1].*** mainly infects humans but can also be found naturally in domestic dogs,cats,and some primates.

关键词： tropical subtropical listed

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The interplay of drug therapeutics and immune responses to SARS-CoV-2

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Cellular & Molecular Immunology 2024年第2期21卷 197-200页

作者： Valeria Fumagalli Matteo Iannacone Division of Immunology Transplantationand Infectious DiseasesIRCCS San Raffaele Scientific InstituteMilanItaly Vita-Salute San Raffaele University MilanItaly experimental Imaging Centre IRCCS San Raffaele Scientific InstituteMilanItaly

The SARS-CoV-2 pandemic has necessitated rapid therapeutic and preventative *** vaccines form the frontline of defense,antiviral treatments such as nirmatrelvir have emerged as vital adjunctive measures,particularly for those unable or unwilling to be *** review delves into the potential influence of nirmatrelvir on enduring *** parallel,the potential of drug repurposing is explored,with bisphosphonates being examined for their possible effects against COVID-19 due to their immunomodulatory *** importance of rigorous clinical trials and careful interpretation of preliminary data is emphasized.

关键词： SARS-CoV-2 Nirmatrelvir Bisphosphonates Adaptive immunity Drug repurposing

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