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Infection with SARS-CoV-2 can cause pancreatic impairment

Signal Transduction and Targeted Therapy 2024年第5期9卷 2143-2160页

作者： Wei Deng linlin bao Zhiqi Song Ling Zhang Pin Yu Yanfeng Xu Jue Wang Wenjie Zhao Xiuqin Zhang Yunlin Han Yanhong Li Jiangning Liu Qi Lv Xujian Liang Fengdi Li Feifei Qi Ran Deng Siyuan Wang Yibai Xiong Ruiping Xiao Hongyang Wang Chuan Qin NHC Key Laboratory of Comparative Medicine Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious DiseasesInstitute of Laboratory Animal ScienceChinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijing 100021China Institute of Molecular Medicine College of Future TechnologyPeking UniversityBeijing 100871China Beijing Key Laboratory of Cardiometabolic Molecular Medicine Peking UniversityBeijing 100871China State Key Laboratory of Biomembrane and Membrane Biotechnology Peking-Tsinghua Center for Life SciencesBeijing 100871China Chinese Academy of Engineering Eastern Hepatobiliary Surgery Hospital225 Changhai RoadYangpu DistrictShanghai 200438China International Co-operation Laboratory on Signal Transduction Eastern Hepatobiliary Surgery InstituteSecond Military Medical UniversityShanghai 200438PR China National Laboratory for Oncogenes and Related Genes Cancer Institute of Shanghai Jiao Tong UniversityShanghai 200441PR China Changping National laboratory(CPNL) Beijing 102206China State Key Laboratory of Respiratory Health and Multimorbidity National Health Commission of the People’s Republic of ChinaBeijingPR China

Evidence suggests associations between COVID-19 patients or vaccines and glycometabolic dysfunction and an even higher risk of the occurrence of diabetes.Herein,we retrospectively analyzed pancreatic lesions in autopsy tissues from 67 SARS-CoV-2 infected non-human primates(NHPs)models and 121 vaccinated and infected NHPs from 2020 to 2023 and COVID-19 patients.Multi-label immunofluorescence revealed direct infection of both exocrine and endocrine pancreatic cells by the virus in NHPs and humans.Minor and limited phenotypic and histopathological changes were observed in adult models.Systemic proteomics and metabolomics results indicated metabolic disorders,mainly enriched in insulin resistance pathways,in infected adult NHPs,along with elevated fasting C-peptide and C-peptide/glucose ratio levels.Furthermore,in elder COVID-19 NHPs,SARS-CoV-2 infection causes loss of beta(β)cells and lower expressed-insulin in situ characterized by islet amyloidosis and necrosis,activation ofα-SMA and aggravated fibrosis consisting of lower collagen in serum,an increase of pancreatic inflammation and stress markers,ICAM-1 and G3BP1,along with more severe glycometabolic dysfunction.In contrast,vaccination maintained glucose homeostasis by activating insulin receptorαand insulin receptorβ.Overall,the cumulative risk of diabetes post-COVID-19 is closely tied to age,suggesting more attention should be paid to blood sugar management in elderly COVID-19 patients.

关键词： infected elevated homeostasis

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Sequentially immune-induced antibodies could cross-neutralize SARS-CoV-2 variants

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Animal Models and Experimental Medicine 2022年第1期5卷 89-93页

作者： Qi Lv Shasha Zhou Feifei Qi Yaqing Zhang Fengdi Li Mingya Liu linlin bao Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases NHC Key Laboratory of Human Disease Comparative MedicineInstitute of Laboratory Animal ScienceChinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina National Center of Technology Innovation for Animal Model BeijingChina

Background:The Omicron(B.1.1.529)SARS-COV-2 variant has raised serious concerns because of its unprecedented rapid rate of spreading and the fact that there are 36 mutations in the spike protein.Since the vaccine-induced neutralizing antibody targets are the spike protein,this may lead to the possibility of vaccine-induced hu-moral immunity escape.Methods:We measured the neutralizing activity in vitro for Omicron and compared this with wild type(WH-09)and Delta variants in human and monkey sera from different types of immunity.The monkey sera samples were collected at 1 and 3 months post three-dose inactivated(PiCoVacc)and recombinant protein(ZF2001)vaccination.Human sera were collected from 1 month post three-dose inactivated vaccination.Results:In inactivated vaccine sera,at 1/3 months post three-dose,geometric mean titers(GMTs)of neutralization antibody(NAb)against the Omicron variant were 4.9/5.2-fold lower than those of the wild type.In recombinant protein vaccine sera,GMTs of NAb against Omicron were 15.7/8.9-fold lower than those of the wild type.In human sera,at 1 month post three-dose inactivated vaccination,GMTs of NAb against Omicron were 3.1-fold lower than those of the wild type.Conclusion:This study demonstrated that despite a reduction in neutralization titers,cross-neutralizing activity against Omicron and Delta variants was still observed after three doses of inactivated and recombinant protein vaccination.

关键词： cross-neutralize Omicron SARS-CoV-2 sequentially immune

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Comparison of the replication and neutralization of different SARS-CoV-2 Omicron subvariants in vitro

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Animal Models and Experimental Medicine 2023年第1期6卷 51-56页

作者： Yaqing Zhang Qi Lv Feifei Qi Fengdi Li Ran Deng Xujian Liang Mingya Liu Yiwei Yan linlin bao Beijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious Diseases NHC Key Laboratory of Human Disease Comparative MedicineInstitute of Laboratory Animal SciencesChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijingChina National Center of Technology Innovation for Animal Model BeijingChina

Background:New Omicron subvariants are emerging rapidly from BA.1 to BA.4 and BA.5.Their pathogenicity has changed from that of wild-type(WH-09)and Omicron variants have over time become globally dominant.The spike proteins of BA.4 and BA.5 that serve as the target for vaccine-induced neutralizing antibodies have also changed compared to the previous subvariants,which is likely to cause immune es-cape and the reduction of the protective effect of the vaccine.Our study addresses the above issues and provides a basis for formulating relevant prevention and control strategies.Methods:We collected cellular supernatant and cell lysates and measured the viral titers,viral RNA loads,and E subgenomic RNA(E sgRNA)loads in different Omicron subvariants grown in Vero E6 cells,using WH-09 and Delta variants as a reference.Additionally,we evaluated the in vitro neutralizing activity of different Omicron sub-variants and compared it to the WH-09 and Delta variants using macaque sera with different types of immunity.Results:As the SARS-CoV-2 evolved into Omicron BA.1,the replication ability in vitro began to decrease.Then with the emergence of new subvariants,the replication ability gradually recovered and became stable in the BA.4 and BA.5 subvariants.In WH-09-inactivated vaccine sera,geometric mean titers of neutralization antibodies against different Omicron subvariants declined by 3.7~15.4-fold compared to those against WH-09.In Delta-inactivated vaccine sera,geometric mean titers of neutrali-zation antibodies against Omicron subvariants declined by 3.1~7.4-fold compared to those against Delta.Conclusion:According to the findings of this research,the replication efficiency of all Omicron subvariants declined compared with WH-09 and Delta variants,and was lower in BA.1 than in other Omicron subvariants.After two doses of inactivated(WH-09 or Delta)vaccine,cross-neutralizing activities against various Omicron subvariants were seen despite a decline in neutralizing titers.

关键词： cross-neutralize Omicron replication SARS-CoV-2

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A broadly neutralizing human monoclonal antibody against the hemagglutinin of avian influenza virus H7N9

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Chinese Medical Journal 2022年第7期135卷 799-805页

作者： Jingxin Li Li Zhang linlin bao Yuxiao Wang Lin Qiu Jialei Hu Rong Tang Huiyan Yu Jun Shan Yan Li Chuan Qin Fengcai Zhu Department for Vaccine Clinical Evaluation NHC Key Laboratory of Enteric Pathogenic MicrobiologyJlangsu Provincial Center for Diseases Control and PreventionNanjingJiangsu 210009China Institute of Laboratory Animal Science Chinese Academy of Medical Sciences(CAMS)&Comparative Medicine CenterPeking Union Medical Collage(PUMC)Key Laboratory of Human Disease Comparative MedicineMinistry of HealthBeijing Key Laboratory for Animal Models of Emerging and Reemerging Infectious DiseasesBeijing 100101China Department of Public Health Southeast UniversityNanjingJiangsu 210009China Shanghai Institute for Biological Sciences Chinese Academy of SciencesShanghai 200031China

Background:The new emerging avian influenza A H7N9 virus,causing severe human infection with a mortality rate of around 41%.This study aims to provide a novel treatment option for the prevention and control of H7N9.Methods:H7 hemagglutinin(HA)-specific B cells were isolated from peripheral blood plasma cells of the patients previously infected by H7N9 in Jiangsu Province,China.The human monoclonal antibodies(mAbs)were generated by amplification and cloning of these HA-specific B cells.First,all human mAbs were screened for binding activity by enzyme-linked immunosorbent assay.Then,those mAbs,exhibiting potent affinity to recognize H7 HAs were further evaluated by hemagglutination-inhibiting(HAI)and microneutralizationin vitro assays.Finally,the lead mAb candidate was selected and tested against the lethal challenge of the H7N9 virus using murine models.Results:The mAb 6-137 was able to recognize a panel of H7 HAs with high affinity but not HA of other subtypes,including H1N1 and H3N2.The mAb 6-137 can efficiently inhibit the HA activity in the inactivated H7N9 virus and neutralize 100 tissue culture infectious dose 50(TCID_(50))of H7N9 virus(influenza A/Nanjing/1/2013)invitro,with neutralizing activity as low as 78 ng/mL.In addition,the mAb 6-137 protected the mice against the lethal challenge of H7N9 prophylactically and therapeutically.Conclusion:The mAb 6-137 could be an effective antibody as a prophylactic or therapeutic biological treatment for the H7N9 exposure or infection.

关键词： Avian influenza H7N9 Monoclonal antibody Neutralizing activity

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Escaping alveolar macrophage endosomal retention explains massive expansion of SARS-CoV-2 delta variant

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Signal Transduction and Targeted Therapy 2022年第1期7卷 28-30页

作者： Zhenfeng Wang Yabo Zhou linlin bao Dan Li Jiadi Lv Dianheng Wang Shunshun Li Wei-Min Tong Jiangning Liu Chuan Qin Bo Huang Department of Immunology&National Key Laboratory of Medical Molecular Biology Institute of Basic Medical SciencesChinese Academy of Medical Sciences(CAMS)&Peking Union Medical College100005 BeijingChina NHC Key Laboratory of Human Disease Comparative Medicine Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious DiseasesInstitute of Laboratory Animal ScienceCAMS and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina Department of Pathology Institute of Basic Medical SciencesCAMS and Peking Union Medical CollegeBeijingChina Department of Biochemistry&Molecular Biology Tongji Medical CollegeHuazhong University of Science&Technology430030 WuhanChina

Dear Editor,Genetic variant Delta(B.1.617.2)of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),which possesses a remarkable ability to transmit and spread,is currently becoming predominant worldwide.Despite its great harm to human beings,how the Delta variant with T478K,P681R and L452R mutations achieves its ultrafast spread remains elusive.Entry of SARS-CoV-2 into host cells is mediated by a rapid enzymatic hydrolysis.

关键词： retention massive delta

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Airway administration of bisphosphate and dexamethasone inhibits SARS-CoV-2 variant infection by targeting alveolar macrophages

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Signal Transduction and Targeted Therapy 2022年第5期7卷 1375-1378页

作者： Zhenfeng Wang Yabo Zhou linlin bao Dan Li Jiadi Lv Dianheng Wang Shunshun Li Jiangning Liu Chuan Qin Wei-Min Tong Bo Huang Department of Immunology&National Key Laboratory of Medical Molecular Biology Institute of Basic Medical SciencesChinese Academy of Medical Sciences(CAMS)&Peking Union Medical College100005 BeijingChina NHC Key Laboratory of Human Disease Comparative Medicine Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious DiseasesInstitute of Laboratory Animal ScienceCAMS and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina Department of Pathology Institute of Basic Medical SciencesCAMS and Peking Union Medical CollegeBeijingChina Department of Biochemistry&Molecular Biology Tongji Medical CollegeHuazhong University of Science&Technology430030 WuhanChina

Dear Editor,Alveolar macrophages(AMs)are among the first immune cells to encounter SARS-CoV-2 during an infection due to their abundant numbers and physical location in the lungs.Thus,the reaction of AMs to SARS-CoV-2 has a profound impact on the outcome of the infection.In most cases,AMs can release cytokines and prime adaptive T-and B-cell immune responses to resolve the infection.

关键词： infection alveolar release

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Structural and functional analysis of a potent human neutralizing antibody against enterovirus A71

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Science China(Life Sciences) 2022年第12期65卷 2517-2526页

作者： Zhe Chen linlin bao Bin Zhu Hua Fu Shuangli Zhu Tianjiao Ji Ying Xue Chuan Liu Xurong Wang Fengdi Li Qi Lv Feifei Qi Pin Yu Wei Deng Wenbo Xu Chuan Qin Hongrong Liu Qi Jin MOH Key Laboratory of Systems Biology of Pathogens Institute of Pathogen BiologyChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100730China Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious Diseases NHC Key Laboratory of Human Disease Comparative MedicineInstitute of Laboratory Animal ScienceChinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijing 100021China School of Computer Science and Engineering Hunan University of Science and TechnologyXiangtan 411201China National Institute for Viral Disease Control and Prevention China CDCBeijing 102206China Ministry of Education Key Laboratory of Protein Sciences Beijing Advanced Innovation Center for Structural BiologyTsinghua UniversityBeijing 100084China Key Laboratory for Matter Microstructure and Function of Hunan Province Key Laboratory of Low-dimensional Quantum Structures and Quantum ControlSchool of Physics and ElectronicsHunan Normal UniversityChangsha 410081China Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases Hangzhou 310058China

Enterovirus A71(EV-A71) causes major outbreaks of hand,foot,and mouth disease(HFMD) in many countries,most frequently affecting children,and a small proportion of cases may lead to death.Currently,no vaccine is available in most endemic regions,and no licenced treatments for EV-A71 infection are available.Here,we characterize a human monoclonal antibody(Hu MAb),E1,by screening a Fab antibody phage library derived from patients who recovered from EV-A71 infection.E1 exhibits strong neutralizing activity against EV-A71 virus in cells.The cryo-electron microscopy(cryo-EM) structures of the EV-A71 virion in complex with E1 Fab fragments demonstrated that E1 recognized an epitope formed by residues in the BC and HI loops of VP1.In a mouse model,E1 effectively protected against lethal EV-A71 challenge in both prophylactic and therapeutic treatment.In particular,E1 significantly reduces virus titers and muscle damage.E1 might represent a potential adjunct to EV-A71 treatment.

关键词： enterovirus A71 antibody mouse models cryo-electron microscopy

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瘟疫与中医:我们为什么要关注?

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Science Bulletin 2024年第11期69卷 1617-1622页

作者：熊一白鲍琳琳马艳张玲秦川黄璐琦 NHC Key Laboratory of Human Disease Comparative Medicine Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious DiseasesInstitute of Laboratory Animal ScienceChinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijing 100021China Institute of Basic Research in Clinical Medicine China Academy of Chinese Medical SciencesBeijing 100700China China Academy of Chinese Medical Sciences Beijing 100700China National Resource Center for Chinese Materia Medica China Academy of Chinese Medical SciencesBeijing 100700China Changping National Laboratory(CPNL) Beijing 102206China National Center for Technology and Innovation of Animal Model Beijing 100021China

Wen-Yi refers to an acute infectious disease that is highly contagious and can cause widespread epidemics.Also known as“Yi”or“Li”in the Chinese medicine(CM)literature,Wen-Yi diseases,such as corona virus disease 2... 详细信息

关键词： acute diseases tuberculosis

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Sensitivity of SARS-CoV-2 to different temperatures

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Animal Models and Experimental Medicine 2020年第4期3卷 316-318页

作者： Qi Lv Mingya Liu Feifei Qi Shuran Gong Shasha Zhou Shisheng Zhan linlin bao Key Laboratory of Human Disease Comparative Medicine Chinese Ministry of HealthBeijing Key Laboratory for Animal Models of Emerging and Remerging Infectious DiseasesInstitute of Laboratory Animal ScienceChinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina

This study was designed to investigate the sensitivity of SARS-CoV-2 to different temperatures,to provide basic data and a scientific basis for the control of COVID-19 epidemic.The virus was dispersed in 1 mL basal DMEM medium at a final concentration of 103.2 TCID 50/mL and then incubated at 4,22,30,35,37,38,39 and 40°C for up to 5 days.The infectivity of residual virus was titrated using the Vero E6 cell line.The results showed that the virus remained viable for 5 days at 4°C,and for 1 day only at 22 and 30°C.We found that the infectivity of the virus was completely lost after less than 12 hours at 37,38 and 39°C,while at 40°C,the inactivation time of the virus was rapidly reduced to 6 hours.We show that SARS-CoV-2 is sensitive to heat,is more stable at lower temperatures than higher temperature,remains viable for longer at lower temperatures,and loses viability rapidly at higher temperatures.

关键词： SARS-CoV-2 sensitivity temperature viability

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Integrated histopathological,lipidomic,and metabolomic profiles reveal mink is a useful animal model to mimic the pathogenicity of severe COVID-19 patients

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Signal Transduction and Targeted Therapy 2022年第2期7卷 560-572页

作者： Zhiqi Song linlin bao Wei Deng Jiangning Liu Erjun Ren Qi Lv Mingya Liu Feifei Qi Ting Chen Ran Deng Fengdi Li Yunpeng Liu Qiang Wei Hong Gao Pin Yu Yunlin Han Wenjie Zhao Junjun Zheng Xujian Liang Fuhe Yang Chuan Qin NHC Key Laboratory of Human Disease Comparative Medicine Beijing Key Laboratory for Animal Models of Emerging and Remerging Infectious DiseasesInstitute of Laboratory Animal ScienceChinese Academy of Medical Sciences and Comparative Medicine CenterPeking Union Medical CollegeBeijingChina Shi Jia Zhuang Academy Of Agricultural And Forestry Sciences ShijiazhuangChina Institute of Special Animal and Plant Sciences of CAAS ChangchunChina Chinese Academy of Agricultural Sciences(CAAS) BeijingChina

Severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)is transmitted on mink farms between minks and humans in many countries.However,the systemic pathological features of SARS-CoV-2-infected minks are mostly unknown.Here,we demonstrated that minks were largely permissive to SARS-CoV-2,characterized by severe and diffuse alveolar damage,and lasted at least 14 days post inoculation(dpi).We first reported that infected minks displayed multiple organ-system lesions accompanied by an increased inflammatory response and widespread viral distribution in the cardiovascular,hepatobiliary,urinary,endocrine,digestive,and immune systems.The viral protein partially co-localized with activated Mac-2+macrophages throughout the body.Moreover,we first found that the alterations in lipids and metabolites were correlated with the histological lesions in infected minks,especially at 6 dpi,and were similar to that of patients with severe and fatal COVID-19.Particularly,altered metabolic pathways,abnormal digestion,and absorption of vitamins,lipids,cholesterol,steroids,amino acids,and proteins,consistent with hepatic dysfunction,highlight metabolic and immune dysregulation.Enriched kynurenine in infected minks contributed to significant activation of the kynurenine pathway and was related to macrophage activation.Melatonin,which has significant anti-inflammatory and immunomodulating effects,was significantly downregulated at 6 dpi and displayed potential as a targeted medicine.Our data first illustrate systematic analyses of infected minks to recapitulate those observations in severe and fetal COVID-19 patients,delineating a useful animal model to mimic SARS-CoV-2-induced systematic and severe pathophysiological features and provide a reliable tool for the development of effective and targeted treatment strategies,vaccine research,and potential biomarkers.

关键词： patients alterations vitamin

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