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Harrison R, Mubareka S, Papenburg J, Schober T, Allen UD, Hatchette TF, Evans GA. AMMI Canada 2023 update on influenza: Management and emerging issues. JOURNAL OF THE ASSOCIATION OF MEDICAL MICROBIOLOGY AND INFECTIOUS DISEASE CANADA = JOURNAL OFFICIEL DE L'ASSOCIATION POUR LA MICROBIOLOGIE MEDICALE ET L'INFECTIOLOGIE CANADA 2023; 8:176-185. [PMID: 38058499 PMCID: PMC10697102 DOI: 10.3138/jammi-2023-07-12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Affiliation(s)
- Robyn Harrison
- University of Alberta, Alberta Health Services, Edmonton, Alberta, Canada
| | - Samira Mubareka
- Department of Laboratory Medicine and Molecular Diagnostics, Sunnybrook Health Sciences Centre, and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Jesse Papenburg
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Montreal Children’s Hospital, McGill University Health Centre, Montreal, Quebec, Canada
- Division of Microbiology, Department of Clinical Laboratory Medicine, Montreal Children’s Hospital, McGill University Health Centre, Montreal, Quebec, Canada
| | | | - Upton D Allen
- Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
- Division of Infectious Diseases, Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Todd F Hatchette
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Gerald A Evans
- Division of Infectious Diseases, Department of Medicine, Kingston Health Sciences Centre, Queen’s University, Kingston, Ontario, Canada
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Hassan MZ, Sturm-Ramirez K, Islam MS, Afreen S, Rahman MZ, Kafi MAH, Chowdhury S, Khan SU, Rahman M, Nasreen S, Davis CT, Levine MZ, Rahman M, Luby SP, Azziz-Baumgartner E, Iuliano AD, Uyeki TM, Gurley ES. Interpretation of molecular detection of avian influenza A virus in respiratory specimens collected from live bird market workers in Dhaka, Bangladesh: infection or contamination? Int J Infect Dis 2023; 136:22-28. [PMID: 37652093 DOI: 10.1016/j.ijid.2023.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/21/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023] Open
Abstract
OBJECTIVES Interpreting real-time reverse transcription-polymerase chain reaction (rRT-PCR) results for human avian influenza A virus (AIV) detection in contaminated settings like live bird markets (LBMs) without serology or viral culture poses a challenge. METHODS During February-March 2012 and November 2012-February 2013, we screened workers at nine LBMs in Dhaka, Bangladesh, to confirm molecular detections of AIV RNA in respiratory specimens with serology. We tested nasopharyngeal (NP) and throat swabs from workers with influenza-like illness (ILI) and NP, throat, and arm swabs from asymptomatic workers for influenza virus by rRT-PCR and sera for seroconversion and antibodies against HPAI A(H5N1) and A(H9N2) viruses. RESULTS Among 1273 ILI cases, 34 (2.6%) had A(H5), 56 (4%) had A(H9), and six (0.4%) had both A(H5) and A(H9) detected by rRT-PCR. Of 192 asymptomatic workers, A(H5) was detected in eight (4%) NP and 38 (20%) arm swabs. Of 28 ILI cases with A(H5) or A(H9) detected, none had evidence of seroconversion, but one (3.5%) and 12 (43%) were seropositive for A(H5) and A(H9), respectively. CONCLUSION Detection of AIV RNA in respiratory specimens from symptomatic and asymptomatic LBM workers without evidence of seroconversion or virus isolation suggests environmental contamination, emphasizing caution in interpreting rRT-PCR results in high viral load settings.
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Affiliation(s)
- Md Zakiul Hassan
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh.
| | | | | | - Sadia Afreen
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | | | | | - Sukanta Chowdhury
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Salah Uddin Khan
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Mustafizur Rahman
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh
| | - Sharifa Nasreen
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh; University of British Columbia, Vancouver, Canada
| | - C Todd Davis
- Centers for Disease Control and Prevention (CDC), Atlanta, USA
| | - Min Z Levine
- Centers for Disease Control and Prevention (CDC), Atlanta, USA
| | - Mahmudur Rahman
- Institute of Epidemiology, Disease Control and Research (IEDCR), Dhaka, Bangladesh
| | | | | | - A D Iuliano
- Centers for Disease Control and Prevention (CDC), Atlanta, USA
| | - Timothy M Uyeki
- Centers for Disease Control and Prevention (CDC), Atlanta, USA
| | - Emily S Gurley
- International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh; Johns Hopkins Bloomberg School of Public Health, Baltimore, USA
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Dai M, Zhu S, An Z, You B, Li Z, Yao Y, Nair V, Liao M. Dissection of key factors correlating with H5N1 avian influenza virus driven inflammatory lung injury of chicken identified by single-cell analysis. PLoS Pathog 2023; 19:e1011685. [PMID: 37819993 PMCID: PMC10593216 DOI: 10.1371/journal.ppat.1011685] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 10/23/2023] [Accepted: 09/13/2023] [Indexed: 10/13/2023] Open
Abstract
Chicken lung is an important target organ of avian influenza virus (AIV) infection, and different pathogenic virus strains lead to opposite prognosis. Using a single-cell RNA sequencing (scRNA-seq) assay, we systematically and sequentially analyzed the transcriptome of 16 cell types (19 clusters) in the lung tissue of chickens infected with H5N1 highly pathogenic avian influenza virus (HPAIV) and H9N2 low pathogenic avian influenza virus (LPAIV), respectively. Notably, we developed a valuable catalog of marker genes for these cell types. Compared to H9N2 AIV infection, H5N1 AIV infection induced extensive virus replication and the immune reaction across most cell types simultaneously. More importantly, we propose that infiltrating inflammatory macrophages (clusters 0, 1, and 14) with massive viral replication, pro-inflammatory cytokines (IFN-β, IL1β, IL6 and IL8), and emerging interaction of various cell populations through CCL4, CCL19 and CXCL13, potentially contributed to the H5N1 AIV driven inflammatory lung injury. Our data revealed complex but distinct immune response landscapes in the lung tissue of chickens after H5N1 and H9N2 AIV infection, and deciphered the potential mechanisms underlying AIV-driven inflammatory reactions in chicken. Furthermore, this article provides a rich database for the molecular basis of different cell-type responses to AIV infection.
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Affiliation(s)
- Manman Dai
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Sufang Zhu
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Zhihao An
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Bowen You
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ziwei Li
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yongxiu Yao
- The Pirbright Institute and UK-China Centre of Excellence for Research on Avian Diseases, Pirbright, Ash Road, Guildford, Surrey, United Kingdom; University of Oxford, Oxford, United Kingdom
| | - Venugopal Nair
- The Pirbright Institute and UK-China Centre of Excellence for Research on Avian Diseases, Pirbright, Ash Road, Guildford, Surrey, United Kingdom; University of Oxford, Oxford, United Kingdom
| | - Ming Liao
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Guangzhou, China
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Gomaa M, Moatasim Y, El Taweel A, Mahmoud SH, El Rifay AS, Kandeil A, McKenzie PP, Webby RJ, El-Shesheny R, Ali MA, Kayali G. We are underestimating, again, the true burden of H5N1 in humans. BMJ Glob Health 2023; 8:e013146. [PMID: 37643809 PMCID: PMC10465887 DOI: 10.1136/bmjgh-2023-013146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/13/2023] [Indexed: 08/31/2023] Open
Affiliation(s)
- Mokhtar Gomaa
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
| | - Yassmin Moatasim
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
| | - Ahmed El Taweel
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
| | - Sara H Mahmoud
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
| | - Amira S El Rifay
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
| | - Ahmed Kandeil
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Pamela P McKenzie
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Richard J Webby
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, Tennessee, USA
| | - Rabeh El-Shesheny
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
| | - Mohamed Ahmed Ali
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Cairo, Egypt
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Chaudhary RK, L A, Patil P, Mateti UV, Sah S, Mohanty A, Rath RS, Padhi BK, Malik S, Jassim KH, Al-Shammari MA, Waheed Y, Satapathy P, Barboza JJ, Rodriguez-Morales AJ, Sah R. System Biology Approach to Identify the Hub Genes and Pathways Associated with Human H5N1 Infection. Vaccines (Basel) 2023; 11:1269. [PMID: 37515084 PMCID: PMC10385284 DOI: 10.3390/vaccines11071269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 04/27/2023] [Accepted: 05/13/2023] [Indexed: 07/30/2023] Open
Abstract
INTRODUCTION H5N1 is a highly pathogenic avian influenza virus that can infect humans and has an estimated fatality rate of 53%. As shown by the current situation of the COVID-19 pandemic, emerging and re-emerging viruses such as H5N1 have the potential to cause another pandemic. Thus, this study outlined the hub genes and pathways associated with H5N1 infection in humans. METHODS The genes associated with H5N1 infection in humans were retrieved from the NCBI Gene database using "H5N1 virus infection" as the keyword. The genes obtained were investigated for protein-protein interaction (PPI) using STRING version 11.5 and studied for functional enrichment analysis using DAVID 2021. Further, the PPI network was visualised and analysed using Cytoscape 3.7.2, and the hub genes were obtained using the local topological analysis method of the cytoHubba plugin. RESULTS A total of 39 genes associated with H5N1 infection in humans significantly interacted with each other, forming a PPI network with 38 nodes and 149 edges modulating 74 KEGG pathways, 76 biological processes, 13 cellular components, and 22 molecular functions. Further, the PPI network analysis revealed that 33 nodes interacted, forming 1056 shortest paths at 0.282 network density, along with a 1.947 characteristic path length. The local topological analysis predicted IFNA1, IRF3, CXCL8, CXCL10, IFNB1, and CHUK as the critical hub genes in human H5N1 infection. CONCLUSION The hub genes associated with the H5N1 infection and their pathways could serve as diagnostic, prognostic, and therapeutic targets for H5N1 infection among humans.
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Affiliation(s)
- Raushan Kumar Chaudhary
- Department of Pharmacy Practice, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed to be University), Mangaluru 575018, Karnataka, India
| | - Ananthesh L
- Department of Pharmacy Practice, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed to be University), Mangaluru 575018, Karnataka, India
| | - Prakash Patil
- Central Research Laboratory, K.S. Hegde Medical Academy (KSHEMA), Nitte (Deemed to be University), Mangaluru 575018, Karnataka, India
| | - Uday Venkat Mateti
- Department of Pharmacy Practice, NGSM Institute of Pharmaceutical Sciences (NGSMIPS), Nitte (Deemed to be University), Mangaluru 575018, Karnataka, India
| | - Sanjit Sah
- Global Consortium for Public Health and Research, Datta Meghe Institute of Higher Education and Research, Jawaharlal Nehru Medical College, Wardha 442001, India
| | - Aroop Mohanty
- Department of Clinical Microbiology, All India Institute of Medical Sciences, Gorakhpur 273008, India
| | - Rama S Rath
- Department of Community Medicine and Family Medicine, All India Institute of Medical Sciences, Gorakhpur 273008, India
| | - Bijaya Kumar Padhi
- Department of Community Medicine and School of Public Health, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Sumira Malik
- Amity Institute of Biotechnology, Amity University Jharkhand, Ranchi 834001, Jharkhand, India
- School of Applied and Life Sciences, Dehradun 248007, Uttarakhand, India
- Guru Nanak College of Pharmaceutical Sciences, Chakrata Road, Dehradun 248007, Uttarakhand, India
| | | | | | - Yasir Waheed
- Office of Research, Innovation, and Commercialization (ORIC), Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad 44000, Pakistan
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut P.O. Box 36, Lebanon
| | - Prakasini Satapathy
- Department of Virology, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
| | - Joshuan J Barboza
- Escuela de Medicina, Universidad César Vallejo, Trujillo 13007, Peru
| | - Alfonso J Rodriguez-Morales
- Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut P.O. Box 36, Lebanon
- Clinical Epidemiology and Biostatistics Program, Faculty of Health Sciences, Universidad Científica del Sur, Lima 4861, Peru
- Grupo de Investigación Biomedicina, Faculty of Medicine, Fundación Universitaria Autónoma de las Américas-Institución Universitaria Visión de las Américas, Pereira 660003, Risaralda, Colombia
| | - Ranjit Sah
- Department of Microbiology, Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 44600, Nepal
- Department of Microbiology, Dr. D.Y. Patil Medical College, Hospital and Research Centre, Dr. D.Y. Patil Vidyapeeth, Pune 411018, India
- Department of Public Health Dentistry, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pune 411018, Maharashtra, India
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Abdelwhab EM, Mettenleiter TC. Zoonotic Animal Influenza Virus and Potential Mixing Vessel Hosts. Viruses 2023; 15:980. [PMID: 37112960 PMCID: PMC10145017 DOI: 10.3390/v15040980] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/05/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
Influenza viruses belong to the family Orthomyxoviridae with a negative-sense, single-stranded segmented RNA genome. They infect a wide range of animals, including humans. From 1918 to 2009, there were four influenza pandemics, which caused millions of casualties. Frequent spillover of animal influenza viruses to humans with or without intermediate hosts poses a serious zoonotic and pandemic threat. The current SARS-CoV-2 pandemic overshadowed the high risk raised by animal influenza viruses, but highlighted the role of wildlife as a reservoir for pandemic viruses. In this review, we summarize the occurrence of animal influenza virus in humans and describe potential mixing vessel or intermediate hosts for zoonotic influenza viruses. While several animal influenza viruses possess a high zoonotic risk (e.g., avian and swine influenza viruses), others are of low to negligible zoonotic potential (e.g., equine, canine, bat and bovine influenza viruses). Transmission can occur directly from animals, particularly poultry and swine, to humans or through reassortant viruses in "mixing vessel" hosts. To date, there are less than 3000 confirmed human infections with avian-origin viruses and less than 7000 subclinical infections documented. Likewise, only a few hundreds of confirmed human cases caused by swine influenza viruses have been reported. Pigs are the historic mixing vessel host for the generation of zoonotic influenza viruses due to the expression of both avian-type and human-type receptors. Nevertheless, there are a number of hosts which carry both types of receptors and can act as a potential mixing vessel host. High vigilance is warranted to prevent the next pandemic caused by animal influenza viruses.
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Affiliation(s)
- Elsayed M. Abdelwhab
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Thomas C. Mettenleiter
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
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Ma Q, Mu Y, Gong L, Zhu C, Di S, Cheng M, Gao J, Shi J, Zhang L. Manganese-based nanoadjuvants for enhancement of immune effect of DNA vaccines. Front Bioeng Biotechnol 2022; 10:1053872. [PMID: 36338143 PMCID: PMC9633283 DOI: 10.3389/fbioe.2022.1053872] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 10/10/2022] [Indexed: 11/13/2022] Open
Abstract
As a highly pathogenic avian influenza virus, influenza A (H5N1) has been reported to infect humans, posing a major threat to both poultry industry and public health. It is an urgent need to develop a kind of effective vaccine to prevent death and reduce the incidence rate of H5N1 avian influenza. Compared with traditional inactivated or attenuated vaccines, deoxyribonucleic (DNA) vaccines have the advantages of continuously expressing plasmid-encoded antigens and inducing humoral and cellular immunity. However, the immune effect of DNA vaccines is limited to its poor immunogenicity. Using of nanoadjuvants with DNA vaccines holds a great promise to increase the transfection efficiency and immunogenicity of DNA vaccines. In this study, we developed a nano co-delivery system with a manganese-based liposome as adjuvant for delivery of a DNA vaccine. This system has been found to protect DNA vaccine, enhance phagocytosis as well as promote activation of antigen-presenting cells (APCs) and immune cells in draining lymph nodes. In addition, the effect of this nanovaccine has been evaluated in mouse models, where it induces highly potent hemagglutination inhibitory antibody (HI) and IgG antibodies, while activating both humoral and cellular immunity in the host. Overall, this strategy opens up a new prospect for manganese nanoadjuvants in increasing the immunogenicity of DNA vaccines.
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Affiliation(s)
- Qiang Ma
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
- College of Science, Northwest A & F University, Xianyang, China
| | - Yongxu Mu
- Department of Interventional, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Lidong Gong
- Institute of Systems Biomedicine, Department of Pharmacology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, China
| | - Chuanda Zhu
- Institute of Systems Biomedicine, Department of Pharmacology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, China
| | - Shiming Di
- Institute of Systems Biomedicine, Department of Pharmacology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, Peking University Health Science Center, Beijing, China
| | - Ming Cheng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jinming Gao
- College of Chemistry and Pharmacy, Northwest A & F University, Xianyang, China
- *Correspondence: Jinming Gao, ; Jihai Shi, ; Liang Zhang,
| | - Jihai Shi
- Department of Dermatology, The First Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
- *Correspondence: Jinming Gao, ; Jihai Shi, ; Liang Zhang,
| | - Liang Zhang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
- *Correspondence: Jinming Gao, ; Jihai Shi, ; Liang Zhang,
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Dai M, Sun H, Zhao L, Wu Q, You B, Xu F, Liao J, Zhu S, Li Z, Yao Y, Nair V, Liao M. Duck CD8 + T Cell Response to H5N1 Highly Pathogenic Avian Influenza Virus Infection In Vivo and In Vitro. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:979-990. [PMID: 35940633 PMCID: PMC10613577 DOI: 10.4049/jimmunol.2101147] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 06/29/2022] [Indexed: 11/01/2023]
Abstract
Domestic ducks are the important host for H5N1 highly pathogenic avian influenza virus (HPAIV) infection and epidemiology, but little is known about the duck T cell response to H5N1 AIV infection. In infection experiments of mallard ducks, we detected significantly increased CD8+ cells and augmented expression of cytotoxicity-associated genes, including granzyme A and IFN-γ, in PBMCs from 5 to 9 d postinfection when the virus shedding was clearly decreased, which suggested the importance of the duck cytotoxic T cell response in eliminating H5N1 infection in vivo. Intriguingly, we found that a CD8high+ population of PBMCs was clearly upregulated in infected ducks from 7 to 9 d postinfection compared with uninfected ducks. Next, we used Smart-Seq2 technology to investigate the heterogeneity and transcriptional differences of the duck CD8+ cells. Thus, CD8high+ cells were likely to be more responsive to H5N1 AIV infection, based on the high level of expression of genes involved in T cell responses, activation, and proliferation, including MALT1, ITK, LCK, CD3E, CD247, CFLAR, IL-18R1, and IL-18RAP. More importantly, we have also successfully cultured H5N1 AIV-specific duck T cells in vitro, to our knowledge, for the first time, and demonstrated that the CD8high+ population was increased with the duck T cell activation and response in vitro, which was consistent with results in vivo. Thus, the duck CD8high+ cells represent a potentially effective immune response to H5N1 AIV infection in vivo and in vitro. These findings provide novel insights and direction for developing effective H5N1 AIV vaccines.
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Affiliation(s)
- Manman Dai
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China;
| | - Hui Sun
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Li Zhao
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Qingxin Wu
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Bowen You
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Fengxiang Xu
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Jiayu Liao
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Sufang Zhu
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ziwei Li
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yongxiu Yao
- The Pirbright Institute and UK-China Centre of Excellence for Research on Avian Diseases, Pirbright, Guildford, Surrey, United Kingdom; and
| | - Venugopal Nair
- The Pirbright Institute and UK-China Centre of Excellence for Research on Avian Diseases, Pirbright, Guildford, Surrey, United Kingdom; and
| | - Ming Liao
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China;
- Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, China
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Zhao Y, Tsang NY, Xu X, Zhao C, Ku CF, Li W, Zhu Y, Liu K, Rong L, Zhang HJ. Axial Chirality and Antiviral Activity Evaluation of Arylnaphthalene Lignan Glycosides from Justicia procumbens. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yang Zhao
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Nga Yi Tsang
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Xinya Xu
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Chenliang Zhao
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Chuen Fai Ku
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Wanfei Li
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Yu Zhu
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Kanglun Liu
- Hong Kong Baptist University School of Chinese Medicine Teaching and Research Division HONG KONG
| | - Lijun Rong
- University of Illinois at Chicago College of Medicine Department of Microbiology and Immunology UNITED STATES
| | - Hong-Jie Zhang
- Hong Kong Baptist University School of Chinese Medicine Hong Kong HONG KONG
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Oliver I, Roberts J, Brown CS, Byrne AM, Mellon D, Hansen RDE, Banyard AC, James J, Donati M, Porter R, Ellis J, Cogdale J, Lackenby A, Chand M, Dabrera G, Brown IH, Zambon M. A case of avian influenza A(H5N1) in England, January 2022. EURO SURVEILLANCE : BULLETIN EUROPEEN SUR LES MALADIES TRANSMISSIBLES = EUROPEAN COMMUNICABLE DISEASE BULLETIN 2022; 27. [PMID: 35115075 PMCID: PMC8815099 DOI: 10.2807/1560-7917.es.2022.27.5.2200061] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
On 5 January 2022, high pathogenicity avian influenza A(H5N1) was confirmed in an individual who kept a large flock of ducks at their home in England. The individual remained asymptomatic. H5N1 was confirmed in 19/20 sampled live birds on 22 December 2021. Comprehensive contact tracing (n = 11) revealed no additional primary cases or secondary transmissions. Active surveillance of exposed individuals is essential for case identification. Asymptomatic swabbing helped refine public health risk assessment and facilitated case management given changes in avian influenza epidemiology.
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Affiliation(s)
- Isabel Oliver
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | - Jonathan Roberts
- United Kingdom Health Security Agency (UKHSA), Bristol, United Kingdom
| | - Colin S Brown
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | | | - Dominic Mellon
- United Kingdom Health Security Agency (UKHSA), Bristol, United Kingdom
| | - Rowena DE Hansen
- Animal and Plant Health Agency (APHA), Weybridge, United Kingdom
| | - Ashley C Banyard
- Animal and Plant Health Agency (APHA), Weybridge, United Kingdom
| | - Joe James
- Animal and Plant Health Agency (APHA), Weybridge, United Kingdom
| | - Matthew Donati
- United Kingdom Health Security Agency (UKHSA), Bristol, United Kingdom
| | - Robert Porter
- Royal Devon and Exeter NHS Foundation Trust, Exeter, United Kingdom
| | - Joanna Ellis
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | - Jade Cogdale
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | - Angie Lackenby
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | - Meera Chand
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | - Gavin Dabrera
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
| | - Ian H Brown
- Animal and Plant Health Agency (APHA), Weybridge, United Kingdom
| | - Maria Zambon
- United Kingdom Health Security Agency (UKHSA), London, United Kingdom
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11
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Nogales A, Villamayor L, Utrilla-Trigo S, Ortego J, Martinez-Sobrido L, DeDiego ML. Natural Selection of H5N1 Avian Influenza A Viruses with Increased PA-X and NS1 Shutoff Activity. Viruses 2021; 13:v13091760. [PMID: 34578340 PMCID: PMC8472985 DOI: 10.3390/v13091760] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/28/2021] [Accepted: 08/31/2021] [Indexed: 12/01/2022] Open
Abstract
Influenza A viruses (IAV) can infect a broad range of mammalian and avian species. However, the host innate immune system provides defenses that restrict IAV replication and infection. Likewise, IAV have evolved to develop efficient mechanisms to counteract host antiviral responses to efficiently replicate in their hosts. The IAV PA-X and NS1 non-structural proteins are key virulence factors that modulate innate immune responses and virus pathogenicity during infection. To study the determinants of IAV pathogenicity and their functional co-evolution, we evaluated amino acid differences in the PA-X and NS1 proteins of early (1996–1997) and more recent (since 2016) H5N1 IAV. H5N1 IAV have zoonotic and pandemic potential and represent an important challenge both in poultry farming and human health. The results indicate that amino acid changes occurred over time, affecting the ability of these two non-structural H5N1 IAV proteins to inhibit gene expression and affecting virus pathogenicity. These results highlight the importance to monitor the evolution of these two virulence factors of IAV, which could result in enhanced viral replication and virulence.
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Affiliation(s)
- Aitor Nogales
- Center for Animal Health Research, CISA-INIA-CSIC, Valdeolmos, 28130 Madrid, Spain; (S.U.-T.); (J.O.)
- Correspondence: (A.N.); (M.L.D.)
| | - Laura Villamayor
- Department of Molecular and Cell Biology, Centro Nacional de Biotecnología (CNB-CSIC), Campus Universidad Autónoma de Madrid, 28049 Madrid, Spain;
| | - Sergio Utrilla-Trigo
- Center for Animal Health Research, CISA-INIA-CSIC, Valdeolmos, 28130 Madrid, Spain; (S.U.-T.); (J.O.)
| | - Javier Ortego
- Center for Animal Health Research, CISA-INIA-CSIC, Valdeolmos, 28130 Madrid, Spain; (S.U.-T.); (J.O.)
| | - Luis Martinez-Sobrido
- Department of Disease Intervention and Prevention, Texas Biomedical Research Institute, San Antonio, TX 78227, USA;
| | - Marta L. DeDiego
- Department of Molecular and Cell Biology, Centro Nacional de Biotecnología (CNB-CSIC), Campus Universidad Autónoma de Madrid, 28049 Madrid, Spain;
- Correspondence: (A.N.); (M.L.D.)
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12
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Amino Acid Residues Involved in Inhibition of Host Gene Expression by Influenza A/Brevig Mission/1/1918 PA-X. Microorganisms 2021; 9:microorganisms9051109. [PMID: 34065592 PMCID: PMC8160905 DOI: 10.3390/microorganisms9051109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/19/2021] [Accepted: 05/19/2021] [Indexed: 12/12/2022] Open
Abstract
The influenza A virus (IAV) PA-X protein is a virulence factor that selectively degrades host mRNAs leading to protein shutoff. This function modulates host inflammation, antiviral responses, cell apoptosis, and pathogenesis. In this work we describe a novel approach based on the use of bacteria and plasmid encoding of the PA-X gene under the control of the bacteriophage T7 promoter to identify amino acid residues important for A/Brevig Mission/1/1918 H1N1 PA-X’s shutoff activity. Using this system, we have identified PA-X mutants encoding single or double amino acid changes, which diminish its host shutoff activity, as well as its ability to counteract interferon responses upon viral infection. This novel bacteria-based approach could be used for the identification of viral proteins that inhibit host gene expression as well as the amino acid residues responsible for inhibition of host gene expression.
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