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Husain M. Influenza Virus Host Restriction Factors: The ISGs and Non-ISGs. Pathogens 2024; 13:127. [PMID: 38392865 PMCID: PMC10893265 DOI: 10.3390/pathogens13020127] [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: 12/19/2023] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
Influenza virus has been one of the most prevalent and researched viruses globally. Consequently, there is ample information available about influenza virus lifecycle and pathogenesis. However, there is plenty yet to be known about the determinants of influenza virus pathogenesis and disease severity. Influenza virus exploits host factors to promote each step of its lifecycle. In turn, the host deploys antiviral or restriction factors that inhibit or restrict the influenza virus lifecycle at each of those steps. Two broad categories of host restriction factors can exist in virus-infected cells: (1) encoded by the interferon-stimulated genes (ISGs) and (2) encoded by the constitutively expressed genes that are not stimulated by interferons (non-ISGs). There are hundreds of ISGs known, and many, e.g., Mx, IFITMs, and TRIMs, have been characterized to restrict influenza virus infection at different stages of its lifecycle by (1) blocking viral entry or progeny release, (2) sequestering or degrading viral components and interfering with viral synthesis and assembly, or (3) bolstering host innate defenses. Also, many non-ISGs, e.g., cyclophilins, ncRNAs, and HDACs, have been identified and characterized to restrict influenza virus infection at different lifecycle stages by similar mechanisms. This review provides an overview of those ISGs and non-ISGs and how the influenza virus escapes the restriction imposed by them and aims to improve our understanding of the host restriction mechanisms of the influenza virus.
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Affiliation(s)
- Matloob Husain
- Department of Microbiology and Immunology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
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2
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Rashid PMA, Salih GF. The significance of IFITM3 polymorphism in COVID-19 asymptomatic and ICU admission Kurdish patients. Cytokine 2023; 171:156349. [PMID: 37683443 DOI: 10.1016/j.cyto.2023.156349] [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: 01/10/2023] [Revised: 06/04/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
BACKGROUND The Coronavirus Disease 2019 (COVID-19) is a global pandemic that exhibits a wide range of clinical symptoms, from asymptomatic to critically ill infections that require admission to an intensive care unit (ICU). Interferon-induced transmembrane protein 3 (IFITM3) prevents the viral envelope fusion with the cell membrane, hence playing a crucial role in the immune response. The association between single nucleotide polymorphisms (SNPs) in the IFITM3 gene and the severity of COVID-19 is controversial among various ethnic groups. METHODS Seven IFITM3 SNPs were genotyped based on DNA sequencing to investigate the association between these variants and asymptomatic and ICU-admitted COVID-19 patients of the Kurdish nation. RESULTS The present study found a significant association between rs12252 and the clinical outcome of COVID-19 (chi2 = 14.83, P = 0.00). The dominant, AA genotype model was significantly associated with a 5.212-fold increased risk of asymptomatic disease (P = 0.000, OR = 5.212). Patients with the GTA haplotypes rs12252, rs34481144, rs7478728 were shown to have a 3.9-fold increased risk of being admitted to the ICU (P = 0.003, OR = 3.9). CONCLUSION This study demonstrated that the rs12252 AA genotype is probably associated with asymptomatic COVID-19. In addition, the patients having haplotypes of minor alleles rs12252, rs34481144, and rs7478728 may be associated to COVID-19 ICU admission.
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Affiliation(s)
- Peshnyar M A Rashid
- Medical Laboratory Science Department, Komar University of Science and Technology, Sulaymaniyah, Iraq.
| | - Gaza F Salih
- Department of Biology, College of Science, University of Sulaimani, Sulaimaniyah, Iraq
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Gholami M, Sakhaee F, Sotoodehnejadnematalahi F, Zamani MS, Ahmadi I, Anvari E, Fateh A. Increased risk of COVID-19 mortality rate in IFITM3 rs6598045 G allele carriers infected by SARS-CoV-2 delta variant. Hum Genomics 2022; 16:60. [PMID: 36403064 PMCID: PMC9675951 DOI: 10.1186/s40246-022-00434-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 11/12/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND The interferon-induced transmembrane-protein 3 (IFITM3) is a vital component of the immune system's defense against viral infection. Variants in the IFITM3 gene have been linked to changes in expression and the risk of severe Coronavirus disease 2019 (COVID-19). This study aimed to investigate whether IFITM3 rs6598045, quantitative polymerase chain reaction (qPCR) cycle threshold (Ct) values, and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants are associated with an increased mortality rate of COVID-19. METHODS The genotyping of IFITM3 rs6598045 polymorphism was analyzed using the amplification refractory mutation system-polymerase chain reaction in 1342 recovered and 1149 deceased patients positive for SARS-CoV-2. RESULTS In this study, IFITM3 rs6598045 G allele as minor allele frequency was significantly more common in the deceased patients than in the recovered ones. Furthermore, the highest mortality rates were observed in Delta variant and lowest qPCR Ct values. COVID-19 mortality was associated with IFITM3 rs6598045 GG and AG in Delta variant and IFITM3 rs6598045 AG in Alpha variant. A statistically significant difference was observed in the qPCR Ct values between individuals with GG and AG genotypes and those with an AA genotype. CONCLUSION A possible correlation was observed between the mortality rate of COVID-19, the G allele of IFITM3 rs6598045, and SARS-CoV-2 variants. However, large-scale research is still required to validate our results.
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Affiliation(s)
- Melika Gholami
- grid.411463.50000 0001 0706 2472Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran ,grid.420169.80000 0000 9562 2611Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
| | - Fatemeh Sakhaee
- grid.420169.80000 0000 9562 2611Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
| | - Fattah Sotoodehnejadnematalahi
- grid.411463.50000 0001 0706 2472Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Saber Zamani
- grid.412501.30000 0000 8877 1424Immunoregulation Research Center, Shahed University, Tehran, Iran
| | - Iraj Ahmadi
- grid.449129.30000 0004 0611 9408Department of Physiology, School of Medicine, Ilam University of Medical Science, Ilam, Iran
| | - Enayat Anvari
- grid.449129.30000 0004 0611 9408Department of Physiology, School of Medicine, Ilam University of Medical Science, Ilam, Iran
| | - Abolfazl Fateh
- grid.420169.80000 0000 9562 2611Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran ,grid.420169.80000 0000 9562 2611Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran
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Gui R, Zheng H, Ma L, Liu R, Lin X, Ke X, Ye C, Jian X, Chen Q. Sperm-Associated Antigen 9 Promotes Influenza A Virus-Induced Cell Death via the c-Jun N-Terminal Kinase Signaling Pathway. mBio 2022; 13:e0061522. [PMID: 35638835 PMCID: PMC9239253 DOI: 10.1128/mbio.00615-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/09/2022] [Indexed: 11/20/2022] Open
Abstract
Upon influenza A virus (IAV) infection, the IAV progeny ribonucleoprotein complex, with a defective viral genome, is sensed by DNA-dependent activator of interferon-regulatory factor (DAI). DAI initiates the recruitment of an array of proteins to form a multiprotein platform (PANoptosome), which triggers apoptosis, necroptosis, and pyroptosis during IAV infection. However, the mechanisms mediating the assembly of the PANoptosome are unclear. Here, we identified a scaffold protein, sperm-associated antigen 9 (SPAG9), which could interact with DAI to promote cell death during IAV infection. We further demonstrated that the cell death enhanced by SPAG9 was achieved through the DAI/SPAG9/c-Jun N-terminal kinase (JNK) axis, which could promote IAV-induced DAI-mediated cell death, including apoptosis, necroptosis, and pyroptosis. Our data further showed that the DAI/SPAG9/JNK signaling pathway enhanced the interactions among receptor-interacting serine/threonine kinase 1 (RIPK1), RIPK3, and DAI, thereby promoting IAV-induced PANoptosome formation. Overall, our study for the first time revealed a feed-forward circuit signaling pathway that enhanced IAV-induced DAI-mediated cell death, provided insights into the molecular mechanisms of cell death, and established therapeutic targets to address infectious and inflammatory diseases. IMPORTANCE Upon influenza A virus (IAV) infection, DAI is activated, recruits downstream proteins to assemble a multiprotein platform (PANoptosome), and then triggers cell death. Until now, the protein composition and assembly mechanism of the PANoptosome during IAV infection had not been elucidated. Using proximity labeling and mass spectrometry technology, we identified SPAG9 as a novel component of the PANoptosome and confirmed that SPAG9 promotes IAV-induced cell death by enhancing the interaction among RIPK1, RIPK3, and DAI. Our study will broaden the knowledge of the molecular mechanisms of cell death.
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Affiliation(s)
- Rui Gui
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Huabin Zheng
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Liping Ma
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Renyi Liu
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xian Lin
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
| | - Xianliang Ke
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
| | - Chang Ye
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaoqin Jian
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Quanjiao Chen
- CAS Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, CAS Center for Influenza Research and Early Warning, Chinese Academy of Sciences, Wuhan, China
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Van Goethem N, Danwang C, Bossuyt N, Van Oyen H, Roosens NHC, Robert A. A systematic review and meta-analysis of host genetic factors associated with influenza severity. BMC Genomics 2021; 22:912. [PMID: 34930124 PMCID: PMC8686082 DOI: 10.1186/s12864-021-08240-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 12/07/2021] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The severity of influenza disease can range from mild symptoms to severe respiratory failure and can partly be explained by host genetic factors that predisposes the host to severe influenza. Here, we aimed to summarize the current state of evidence that host genetic variants play a role in the susceptibility to severe influenza infection by conducting a systematic review and performing a meta-analysis for all markers with at least three or more data entries. RESULTS A total of 34 primary human genetic association studies were identified that investigated a total of 20 different genes. The only significant pooled ORs were retrieved for the rs12252 polymorphism: an overall OR of 1.52 (95% CI [1.06-2.17]) for the rs12252-C allele compared to the rs12252-T allele. A stratified analysis by ethnicity revealed opposite effects in different populations. CONCLUSION With exception for the rs12252 polymorphism, we could not identify specific genetic polymorphisms to be associated with severe influenza infection in a pooled meta-analysis. This advocates for the use of large, hypothesis-free, genome-wide association studies that account for the polygenic nature and the interactions with other host, pathogen and environmental factors.
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Affiliation(s)
- Nina Van Goethem
- Scientific Directorate of Epidemiology and Public Health, Sciensano, J. Wytsmanstraat 14, 1050 Brussels, Belgium
- Department of Epidemiology and Biostatistics, Institut de Recherche Expérimentale et Clinique, Faculty of Public Health, Université Catholique de Louvain, Clos Chapelle-aux-champs 30, 1200 Brussels, Belgium
| | - Célestin Danwang
- Department of Epidemiology and Biostatistics, Institut de Recherche Expérimentale et Clinique, Faculty of Public Health, Université Catholique de Louvain, Clos Chapelle-aux-champs 30, 1200 Brussels, Belgium
| | - Nathalie Bossuyt
- Scientific Directorate of Epidemiology and Public Health, Sciensano, J. Wytsmanstraat 14, 1050 Brussels, Belgium
| | - Herman Van Oyen
- Scientific Directorate of Epidemiology and Public Health, Sciensano, J. Wytsmanstraat 14, 1050 Brussels, Belgium
- Department of Public Health and Primary Care, Ghent University, De Pintelaan 185, 9000 Ghent, Belgium
| | - Nancy H. C. Roosens
- Transversal Activities in Applied Genomics, Sciensano, J. Wytsmanstraat 14, 1050 Brussels, Belgium
| | - Annie Robert
- Department of Epidemiology and Biostatistics, Institut de Recherche Expérimentale et Clinique, Faculty of Public Health, Université Catholique de Louvain, Clos Chapelle-aux-champs 30, 1200 Brussels, Belgium
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Kim YC, Jeong MJ, Jeong BH. Regulatory Single Nucleotide Polymorphism of the Bovine IFITM3 Gene Induces Differential Transcriptional Capacities of Hanwoo and Holstein Cattle. Genes (Basel) 2021; 12:genes12111662. [PMID: 34828268 PMCID: PMC8619045 DOI: 10.3390/genes12111662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 10/11/2021] [Accepted: 10/19/2021] [Indexed: 11/16/2022] Open
Abstract
Interferon-induced transmembrane protein 3 (IFITM3), a crucial effector of the host's innate immune system, prohibits an extensive range of viruses. Previous studies have reported that single nucleotide polymorphisms (SNPs) of the IFITM3 gene are associated with the expression level and length of the IFITM3 protein and can impact susceptibility to infectious viruses and the severity of infection with these viruses. However, there have been no studies on polymorphisms of the bovine IFITM3 gene. In the present study, we finely mapped the bovine IFITM3 gene and annotated the identified polymorphisms. We investigated polymorphisms of the bovine IFITM3 gene in 108 Hanwoo and 113 Holstein cattle using direct sequencing and analyzed genotype, allele, and haplotype frequencies and linkage disequilibrium (LD) between the IFITM3 genes of the two cattle breeds. In addition, we analyzed transcription factor-binding sites and transcriptional capacity using PROMO and luciferase assays, respectively. Furthermore, we analyzed the effect of a nonsynonymous SNP of the IFITM3 gene using PolyPhen-2, PANTHER, and PROVEAN. We identified 23 polymorphisms in the bovine IFITM3 gene and found significantly different genotype, allele, and haplotype frequency distributions and LD scores between polymorphisms of the bovine IFITM3 gene in Hanwoo and Holstein cattle. In addition, the ability to bind the transcription factor Nkx2-1 and transcriptional capacities were significantly different depending on the c.-193T > C allele. Furthermore, nonsynonymous SNP (F121L) was predicted to be benign. To the best of our knowledge, this is the first genetic study of bovine IFITM3 polymorphisms.
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Affiliation(s)
- Yong-Chan Kim
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Korea; (Y.-C.K.); (M.-J.J.)
- Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju 54896, Korea
| | - Min-Ju Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Korea; (Y.-C.K.); (M.-J.J.)
- Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju 54896, Korea
| | - Byung-Hoon Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Korea; (Y.-C.K.); (M.-J.J.)
- Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: ; Tel.: +82-63-900-4040; Fax: +82-63-900-4012
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Franz S, Pott F, Zillinger T, Schüler C, Dapa S, Fischer C, Passos V, Stenzel S, Chen F, Döhner K, Hartmann G, Sodeik B, Pessler F, Simmons G, Drexler JF, Goffinet C. Human IFITM3 restricts chikungunya virus and Mayaro virus infection and is susceptible to virus-mediated counteraction. Life Sci Alliance 2021; 4:e202000909. [PMID: 34078739 PMCID: PMC8200292 DOI: 10.26508/lsa.202000909] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 05/21/2021] [Accepted: 05/21/2021] [Indexed: 11/29/2022] Open
Abstract
Interferon-induced transmembrane (IFITM) proteins restrict membrane fusion and virion internalization of several enveloped viruses. The role of IFITM proteins during alphaviral infection of human cells and viral counteraction strategies are insufficiently understood. Here, we characterized the impact of human IFITMs on the entry and spread of chikungunya virus and Mayaro virus and provide first evidence for a CHIKV-mediated antagonism of IFITMs. IFITM1, 2, and 3 restricted infection at the level of alphavirus glycoprotein-mediated entry, both in the context of direct infection and cell-to-cell transmission. Relocalization of normally endosomal IFITM3 to the plasma membrane resulted in loss of antiviral activity. rs12252-C, a naturally occurring variant of IFITM3 that may associate with severe influenza in humans, restricted CHIKV, MAYV, and influenza A virus infection as efficiently as wild-type IFITM3 Antivirally active IFITM variants displayed reduced cell surface levels in CHIKV-infected cells involving a posttranscriptional process mediated by one or several nonstructural protein(s) of CHIKV. Finally, IFITM3-imposed reduction of specific infectivity of nascent particles provides a rationale for the necessity of a virus-encoded counteraction strategy against this restriction factor.
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Affiliation(s)
- Sergej Franz
- Institute of Experimental Virology, TWINCORE Centre for Experimental and Clinical Infection Research, a Joint Venture Between the Hannover Medical School (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany
- Vitalant Research Institute, San Francisco, CA, USA
| | - Fabian Pott
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
- Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Thomas Zillinger
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital, Venusberg-Campus 1, Bonn, Germany
| | - Christiane Schüler
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
- Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Sandra Dapa
- Institute of Experimental Virology, TWINCORE Centre for Experimental and Clinical Infection Research, a Joint Venture Between the Hannover Medical School (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany
| | - Carlo Fischer
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
| | - Vânia Passos
- Institute of Experimental Virology, TWINCORE Centre for Experimental and Clinical Infection Research, a Joint Venture Between the Hannover Medical School (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany
| | - Saskia Stenzel
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
- Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Fangfang Chen
- Research Group Biomarkers for Infectious Diseases, TWINCORE, Centre for Experimental and Clinical Infection Research, a Joint Venture Between the Hanover Medical School (MHH) and the Helmholtz Centre for Infection Research (HZI), Hanover, Germany
| | - Katinka Döhner
- Institute of Virology, Hannover Medical School, Hanover, Germany
| | - Gunther Hartmann
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
| | - Beate Sodeik
- Institute of Virology, Hannover Medical School, Hanover, Germany
- Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, Hannover, Germany
| | - Frank Pessler
- Research Group Biomarkers for Infectious Diseases, TWINCORE, Centre for Experimental and Clinical Infection Research, a Joint Venture Between the Hanover Medical School (MHH) and the Helmholtz Centre for Infection Research (HZI), Hanover, Germany
| | | | - Jan Felix Drexler
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
| | - Christine Goffinet
- Institute of Experimental Virology, TWINCORE Centre for Experimental and Clinical Infection Research, a Joint Venture Between the Hannover Medical School (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institute of Virology, Berlin, Germany
- Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
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Alghamdi J, Alaamery M, Barhoumi T, Rashid M, Alajmi H, Aljasser N, Alhendi Y, Alkhalaf H, Alqahtani H, Algablan O, Alshaya AI, Tashkandi N, Massadeh S, Almuzzaini B, Ehaideb SN, Bosaeed M, Ayoub K, Yezli S, Khan A, Alaskar A, Bouchama A. Interferon-induced transmembrane protein-3 genetic variant rs12252 is associated with COVID-19 mortality. Genomics 2021; 113:1733-1741. [PMID: 33838280 PMCID: PMC8025598 DOI: 10.1016/j.ygeno.2021.04.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/08/2021] [Accepted: 04/04/2021] [Indexed: 01/04/2023]
Abstract
Interferon-induced membrane proteins (IFITM) 3 gene variants are known risk factor for severe viral diseases. We examined whether IFITM3 variant may underlie the heterogeneous clinical outcomes of SARS-CoV-2 infection-induced COVID-19 in large Arab population. We genotyped 880 Saudi patients; 93.8% were PCR-confirmed SARS-CoV-2 infection, encompassing most COVID-19 phenotypes. Mortality at 90 days was 9.1%. IFITM3-SNP, rs12252-G allele was associated with hospital admission (OR = 1.65 [95% CI; 1.01-2.70], P = 0.04]) and mortality (OR = 2.2 [95% CI; 1.16-4.20], P = 0.01). Patients less than 60 years old had a lower survival probability if they harbor this allele (log-rank test P = 0.002). Plasma levels of IFNγ were significantly lower in a subset of patients with AG/GG genotypes than patients with AA genotype (P = 0.00016). Early identification of these individuals at higher risk of death may inform precision public health response.
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Affiliation(s)
- Jahad Alghamdi
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia.
| | - Manal Alaamery
- Developmental Medicine Department, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, King Abdulaziz Medical City, Ministry of National Guard- Health Affairs, Riyadh, Saudi Arabia; KACST-BWH Centre of Excellence for Biomedicine, Joint Centers of Excellence Program, King Abdulaziz City for Science and Technology (KACST), Riyadh, Saudi Arabia; King Abdulaziz City for Science and Technology (KACST), Saudi Human Genome Project (SHGP), Satellite Lab at King Abdulaziz Medical City (KAMC), Ministry of National Guard Health Affairs (MNG-HA), Riyadh, Saudi Arabia
| | - Tlili Barhoumi
- Core Facility and Research Platforms, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Mamoon Rashid
- Department of Bioinformatics, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Hala Alajmi
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Nasser Aljasser
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Yaseen Alhendi
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Hind Alkhalaf
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Hanadi Alqahtani
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Omer Algablan
- Saudi Biobank, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Abdulraham I Alshaya
- College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Nabiha Tashkandi
- Nursing Services, Ministry of the National Guard - Health Affairs, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Salam Massadeh
- Developmental Medicine Department, King Abdullah International Medical Research Center, King Saud Bin Abdulaziz University for Health Sciences, King Abdulaziz Medical City, Ministry of National Guard- Health Affairs, Riyadh, Saudi Arabia; KACST-BWH Centre of Excellence for Biomedicine, Joint Centers of Excellence Program, King Abdulaziz City for Science and Technology (KACST), Riyadh, Saudi Arabia; King Abdulaziz City for Science and Technology (KACST), Saudi Human Genome Project (SHGP), Satellite Lab at King Abdulaziz Medical City (KAMC), Ministry of National Guard Health Affairs (MNG-HA), Riyadh, Saudi Arabia
| | - Bader Almuzzaini
- Medical Genomics Research Department, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Salleh N Ehaideb
- Experimental Medicine Department, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia
| | - Mohammad Bosaeed
- Department of Medicine, Ministry of the National Guard - Health Affairs, Riyadh, Saudi Arabia; College of Medicine, King Saud bin Abdulaziz University for Health Sciences, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Kamal Ayoub
- King Abdulaziz Cardiac Center, Ministry of the National Guard - Health Affairs, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Saber Yezli
- The Global Centre for Mass Gatherings Medicine, Ministry of Health, Riyadh, Saudi Arabia
| | - Anas Khan
- The Global Centre for Mass Gatherings Medicine, Ministry of Health, Riyadh, Saudi Arabia; College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed Alaskar
- Oncology Department, Ministry of the National Guard - Health Affairs, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Abderrezak Bouchama
- Experimental Medicine Department, King Abdullah International Medical Research Center, King Saud bin Abdulaziz University for Health Sciences, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia.
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McKellar J, Rebendenne A, Wencker M, Moncorgé O, Goujon C. Mammalian and Avian Host Cell Influenza A Restriction Factors. Viruses 2021; 13:522. [PMID: 33810083 PMCID: PMC8005160 DOI: 10.3390/v13030522] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/12/2021] [Accepted: 03/15/2021] [Indexed: 12/27/2022] Open
Abstract
The threat of a new influenza pandemic is real. With past pandemics claiming millions of lives, finding new ways to combat this virus is essential. Host cells have developed a multi-modular system to detect incoming pathogens, a phenomenon called sensing. The signaling cascade triggered by sensing subsequently induces protection for themselves and their surrounding neighbors, termed interferon (IFN) response. This response induces the upregulation of hundreds of interferon-stimulated genes (ISGs), including antiviral effectors, establishing an antiviral state. As well as the antiviral proteins induced through the IFN system, cells also possess a so-called intrinsic immunity, constituted of antiviral proteins that are constitutively expressed, creating a first barrier preceding the induction of the interferon system. All these combined antiviral effectors inhibit the virus at various stages of the viral lifecycle, using a wide array of mechanisms. Here, we provide a review of mammalian and avian influenza A restriction factors, detailing their mechanism of action and in vivo relevance, when known. Understanding their mode of action might help pave the way for the development of new influenza treatments, which are absolutely required if we want to be prepared to face a new pandemic.
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Affiliation(s)
- Joe McKellar
- Institut de Recherche en Infectiologie de Montpellier, CNRS, Université de Montpellier, CEDEX 5, 34293 Montpellier, France; (J.M.); (A.R.)
| | - Antoine Rebendenne
- Institut de Recherche en Infectiologie de Montpellier, CNRS, Université de Montpellier, CEDEX 5, 34293 Montpellier, France; (J.M.); (A.R.)
| | - Mélanie Wencker
- Centre International de Recherche en Infectiologie, INSERM/CNRS/UCBL1/ENS de Lyon, 69007 Lyon, France;
| | - Olivier Moncorgé
- Institut de Recherche en Infectiologie de Montpellier, CNRS, Université de Montpellier, CEDEX 5, 34293 Montpellier, France; (J.M.); (A.R.)
| | - Caroline Goujon
- Institut de Recherche en Infectiologie de Montpellier, CNRS, Université de Montpellier, CEDEX 5, 34293 Montpellier, France; (J.M.); (A.R.)
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Pérez-Rubio G, Ponce-Gallegos MA, Domínguez-Mazzocco BA, Ponce-Gallegos J, García-Ramírez RA, Falfán-Valencia R. Role of the Host Genetic Susceptibility to 2009 Pandemic Influenza A H1N1. Viruses 2021; 13:344. [PMID: 33671828 PMCID: PMC7926867 DOI: 10.3390/v13020344] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/07/2021] [Accepted: 02/18/2021] [Indexed: 01/05/2023] Open
Abstract
Influenza A virus (IAV) is the most common infectious agent in humans, and infects approximately 10-20% of the world's population, resulting in 3-5 million hospitalizations per year. A scientific literature search was performed using the PubMed database and the Medical Subject Headings (MeSH) "Influenza A H1N1" and "Genetic susceptibility". Due to the amount of information and evidence about genetic susceptibility generated from the studies carried out in the last influenza A H1N1 pandemic, studies published between January 2009 to May 2020 were considered; 119 papers were found. Several pathways are involved in the host defense against IAV infection (innate immune response, pro-inflammatory cytokines, chemokines, complement activation, and HLA molecules participating in viral antigen presentation). On the other hand, single nucleotide polymorphisms (SNPs) are a type of variation involving the change of a single base pair that can mean that encoded proteins do not carry out their functions properly, allowing higher viral replication and abnormal host response to infection, such as a cytokine storm. Some of the most studied SNPs associated with IAV infection genetic susceptibility are located in the FCGR2A, C1QBP, CD55, and RPAIN genes, affecting host immune responses through abnormal complement activation. Also, SNPs in IFITM3 (which participates in endosomes and lysosomes fusion) represent some of the most critical polymorphisms associated with IAV infection, suggesting an ineffective virus clearance. Regarding inflammatory response genes, single nucleotide variants in IL1B, TNF, LTA IL17A, IL8, IL6, IRAK2, PIK3CG, and HLA complex are associated with altered phenotype in pro-inflammatory molecules, participating in IAV infection and the severest form of the disease.
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Affiliation(s)
- Gloria Pérez-Rubio
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City 14080, Mexico; (G.P.-R.); (M.A.P.-G.); (B.A.D.-M.); (R.A.G.-R.)
| | - Marco Antonio Ponce-Gallegos
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City 14080, Mexico; (G.P.-R.); (M.A.P.-G.); (B.A.D.-M.); (R.A.G.-R.)
| | - Bruno André Domínguez-Mazzocco
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City 14080, Mexico; (G.P.-R.); (M.A.P.-G.); (B.A.D.-M.); (R.A.G.-R.)
| | - Jaime Ponce-Gallegos
- High Speciality Cardiology Unit “Korazón”, Puerta de Hierro Hospital, Tepic 63173, Nayarit, Mexico;
| | - Román Alejandro García-Ramírez
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City 14080, Mexico; (G.P.-R.); (M.A.P.-G.); (B.A.D.-M.); (R.A.G.-R.)
| | - Ramcés Falfán-Valencia
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Mexico City 14080, Mexico; (G.P.-R.); (M.A.P.-G.); (B.A.D.-M.); (R.A.G.-R.)
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11
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The first association study of single-nucleotide polymorphisms (SNPs) of the IFITM1 gene with influenza H1N1 2009 pandemic virus infection. Mol Cell Toxicol 2021; 17:179-186. [PMID: 33613683 PMCID: PMC7883877 DOI: 10.1007/s13273-021-00123-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2021] [Indexed: 11/06/2022]
Abstract
Background The interferon-induced transmembrane (IFITM) protein family consists of interferon-stimulated genes (ISGs) that show potent antiviral capacity against a broad range of viruses. Many studies have been performed to investigate an association between IFITM3 polymorphisms and pandemic influenza A 2009 H1N1 virus infection. However, an association study of IFITM1 polymorphisms with susceptibility to this infection has not been reported thus far. Objective To identify an association between the susceptibility to pandemic influenza A 2009 H1N1 virus infection and IFITM1 polymorphisms, we compared genotype, allele and haplotype frequencies of the IFITM1 gene between healthy controls and pandemic influenza A 2009 H1N1-infected patients. In addition, we investigated linkage disequilibrium (LD) by Haploview 4.2 and the binding ability of transcription factors according to IFITM1 polymorphism alleles by PROMO. Furthermore, we measured the LD value between the IFITM1 gene and the IFITM3 gene. Results We found 3 novel single-nucleotide polymorphisms (SNPs) and did not find an association between IFITM1 SNPs and susceptibility to pandemic influenza A 2009 H1N1 virus infection. We found strong LD among IFITM1 SNPs but did not find a difference in the transcription factor-binding ability according to regulatory IFITM1 SNP alleles. In addition, we found strong LD between IFITM1 SNPs and IFITM3 SNPs. Conclusion To the best of our knowledge, this report is the first association study of the susceptibility to pandemic influenza A 2009 H1N1 virus infection and IFITM1 polymorphisms.
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Li M, Li YP, Deng HL, Wang MQ, Chen Y, Zhang YF, Wang J, Dang SS. DNA methylation and SNP in IFITM3 are correlated with hand, foot and mouth disease caused by enterovirus 71. Int J Infect Dis 2021; 105:199-208. [PMID: 33596480 DOI: 10.1016/j.ijid.2021.02.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVES To explore the mechanisms of interferon-induced transmembrane protein 3 (IFITM3) in response to enterovirus-71-associated hand, foot and mouth disease (EV71-HFMD), in terms of DNA methylation, single-nucleotide polymorphism (SNP) genotype and gene expression. METHODS In total, 120 patients with EV71-HFMD (60 with mild EV71-HFMD and 60 with severe EV71-HFMD) and 60 healthy controls were enrolled in this study. SNP genotype, IFITM3 promoter methylation and mRNA expression of peripheral blood mononuclear cells were examined using the improved multi-temperature ligase detection reaction, quantitative reverse transcriptase polymerase chain reaction and MiSeq, respectively. RESULTS The distribution of methylation in patients with EV71-HFMD was significantly lower compared with healthy controls, and the severe EV71-HFMD group showed the lowest frequency of IFITM3 promoter methylation. The average level of IFITM3 promoter CpG methylation was negatively correlated with IFITM3 mRNA expression, and hypermethylation of several specific CpG units contributed to IFITM3 downregulation. IFITM3 expression and promoter methylation correlated with EV71 infection progression, especially in the severe EV71-HFMD group. Compared with mild cases, genotype GG and the G allele of rs12252 were over-represented in patients with severe EV71-HFMD. CONCLUSIONS IFITM3 methylation status and SNP genotyping may help clinicians to choose the correct treatment strategy for patients with EV71-HFMD.
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Affiliation(s)
- Mei Li
- Department of Infectious Diseases, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, China
| | - Ya-Ping Li
- Department of Infectious Diseases, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, China.
| | - Hui-Ling Deng
- Department of Infectious Diseases, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, China; Department of Infectious Diseases, Xi'an Children's Hospital, Xi'an, China; Department of Paediatrics, Xi'an Central Hospital, Xi'an, China
| | - Mu-Qi Wang
- Department of Infectious Diseases, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, China
| | - Yuan Chen
- Department of Infectious Diseases, Xi'an Children's Hospital, Xi'an, China
| | - Yu-Feng Zhang
- Department of Infectious Diseases, Xi'an Children's Hospital, Xi'an, China
| | - Jun Wang
- Department of Infectious Diseases, Xi'an Children's Hospital, Xi'an, China
| | - Shuang-Suo Dang
- Department of Infectious Diseases, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, China
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13
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Kim YC, Jeong BH. Strong Correlation between the Case Fatality Rate of COVID-19 and the rs6598045 Single Nucleotide Polymorphism (SNP) of the Interferon-Induced Transmembrane Protein 3 ( IFITM3) Gene at the Population-Level. Genes (Basel) 2020; 12:genes12010042. [PMID: 33396837 PMCID: PMC7824003 DOI: 10.3390/genes12010042] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/24/2020] [Accepted: 12/29/2020] [Indexed: 01/29/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is a fatal pandemic disease that is caused by infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). As of 13 December, 2020, over 70,000,000 cases and 1,500,000 deaths have been reported over a period of several months; however, the mechanism underlying the pathogenesis of COVID-19 has not been elucidated. To identify the novel risk genetic biomarker for COVID-19, we evaluated the correlation between the case fatality rate of COVID-19 and the genetic polymorphisms of several potential COVID-19-related genes, including interferon-induced transmembrane protein 3 (IFITM3), the angiotensin I converting enzyme 2 (ACE2) gene, transmembrane protease, serine 2 (TMPRSS2), interleukin 6 (IL6), leucine zipper transcription factor-like protein 1 (LZTFL1), and the ABO genes, in various ethnic groups. We obtained the number of COVID-19 cases and deaths from the World Health Organization (WHO) COVID-19 dashboard and calculated the case fatality rate of each ethnic group. In addition, we obtained the allele distribution of the polymorphisms of the IFITM3, ACE2, TMPRSS2, IL6, LZTFL1, and ABO genes from the 1000 Genomes Project and performed Log-linear regression analysis using SAS version 9.4. We found different COVID-19 case fatality rates in each ethnic group. Notably, we identified a strong correlation between the case fatality rate of COVID-19 and the allele frequency of the rs6598045 single nucleotide polymorphism (SNP) of the IFITM3 gene. To the best of our knowledge, this report is the first to describe a strong correlation between the COVID-19 case fatality rate and the rs6598045 SNP of the IFITM3 gene at the population-level.
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Affiliation(s)
- Yong-Chan Kim
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Jeonbuk, Korea;
- Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju 54896, Jeonbuk, Korea
| | - Byung-Hoon Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, Iksan 54531, Jeonbuk, Korea;
- Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju 54896, Jeonbuk, Korea
- Correspondence: ; Tel.: +82-63-900-4040; Fax: +82-63-900-4012
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14
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Kim YC, Jeong MJ, Jeong BH. Genetic association between the rs12252 SNP of the interferon-induced transmembrane protein gene and influenza A virus infection in the Korean population. Mol Cell Toxicol 2020; 17:51-57. [PMID: 33169083 PMCID: PMC7640581 DOI: 10.1007/s13273-020-00108-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2020] [Indexed: 11/29/2022]
Abstract
Background Interferon-induced transmembrane protein 3 (IFITM3) is a potent host antiviral effector protein that blocks the invasion of various viruses, including the influenza A virus (IAV). The C allele of the rs12252 single nucleotide polymorphism (SNP) shows vulnerability to the pandemic 2009 H1N1 IAV in European and Asian populations. Objective Here, we estimated the disease susceptibility of the rs12252 SNP with the pandemic 2009 H1N1 IAV infection in the Korean population. Results We carried out direct sequencing of the IFITM3 gene and compared the genotype and allele frequencies of the rs12252 SNP of the IFITM3 gene in healthy Koreans and pandemic 2009 H1N1 IAV-infected patients. Notably, we observed that healthy individuals had a similar genotype distribution of the rs12252 SNP (P = 0.140) as patients. The dominant model and recessive model did not find a statistically significant difference in genotype distribution between healthy individuals and patients. In addition, the allele distribution of the rs12252 SNP of in healthy individuals and patients also showed a similar genetic distribution (P = 0.757). However, the genetic distribution of rs12252 SNP in merged patient group (Koreans and Chinese populations) showed significant association with susceptibility of pandemic 2009 IAV (P = 0.0393). Conclusion To the best of our knowledge, this was the first evaluation of the susceptibility of the pandemic 2009 H1N1 IAV in the Korean population.
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Affiliation(s)
- Yong-Chan Kim
- Korea Zoonosis Research Institute, Jeonbuk National University, 820-120, Hana-ro, Iksan, Jeonbuk 54531 Republic of Korea.,Department of Bioactive Material Sciences, Jeonbuk National University, Jeonju, Jeonbuk 54896 Republic of Korea
| | - Min-Ju Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, 820-120, Hana-ro, Iksan, Jeonbuk 54531 Republic of Korea.,Department of Bioactive Material Sciences, Jeonbuk National University, Jeonju, Jeonbuk 54896 Republic of Korea
| | - Byung-Hoon Jeong
- Korea Zoonosis Research Institute, Jeonbuk National University, 820-120, Hana-ro, Iksan, Jeonbuk 54531 Republic of Korea.,Department of Bioactive Material Sciences, Jeonbuk National University, Jeonju, Jeonbuk 54896 Republic of Korea
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15
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Martins JSC, Oliveira MLA, Garcia CC, Siqueira MM, Matos AR. Investigation of Human IFITM3 Polymorphisms rs34481144A and rs12252C and Risk for Influenza A(H1N1)pdm09 Severity in a Brazilian Cohort. Front Cell Infect Microbiol 2020; 10:352. [PMID: 32754450 PMCID: PMC7366732 DOI: 10.3389/fcimb.2020.00352] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 06/08/2020] [Indexed: 12/12/2022] Open
Abstract
Influenza is a major public health problem that causes acute respiratory infection in humans. Identification of host factors influencing in disease outcome is critical for recognition of individuals with increased risk. Investigations on the role of rs34481144A and rs12252C IFITM3 polymorphisms in influenza A(H1N1)pdm09 severity is not yet conclusively determined. This study aimed to evaluate such polymorphisms frequencies and IFITM3 levels in an infected Brazilian cohort of 314 influenza A(H1N1)pdm09 cases and its putative association with clinical, epidemiological and virological data. Individuals were clinically classified into mild, severe and fatal cases. IFITM3 polymorphisms were detected by specific Taqman probes in real time PCR reactions. IFITM3 levels were determined by quantitative real time PCR. Thus, the different clinical groups presented similar distribution of rs34481144 and rs12252 genotypes and allelic frequencies. There was no significant association between the polymorphisms with severity of disease by using distinct genetic models. Additionally, geographic distribution of mutants showed that rs34481144A allele was more predominant in Brazilian Southern region. In contrast, rs12252C allele presented similar frequencies in all regions. Individuals with the distinct rs34481144 and rs12252 genotypes showed similar levels of IFITM3 and viral load in their respiratory specimens. Furthermore, IFITM3 levels were comparable in the distinct clinical groups and were not correlated with influenza viral load in analyzed samples. Thereby, rs34481144A and rs12252C polymorphisms were not associated with severity or mortality of influenza A(H1N1)pdm09 infection nor with IFITM3 transcript levels and influenza viral load in upper respiratory tract samples in a Brazilian cohort.
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Affiliation(s)
- Jéssica S. C. Martins
- Laboratório de Vírus Respiratórios e do Sarampo, Instituto Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Maria L. A. Oliveira
- Laboratório de Desenvolvimento Tecnológico em Virologia, Instituto Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Cristiana C. Garcia
- Laboratório de Vírus Respiratórios e do Sarampo, Instituto Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Marilda M. Siqueira
- Laboratório de Vírus Respiratórios e do Sarampo, Instituto Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Aline R. Matos
- Laboratório de Vírus Respiratórios e do Sarampo, Instituto Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
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IFITM3 Clusters on Virus Containing Endosomes and Lysosomes Early in the Influenza A Infection of Human Airway Epithelial Cells. Viruses 2019; 11:v11060548. [PMID: 31212878 PMCID: PMC6631848 DOI: 10.3390/v11060548] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 06/06/2019] [Accepted: 06/11/2019] [Indexed: 11/20/2022] Open
Abstract
Interferon-induced transmembrane proteins (IFITMs) have been shown to strongly affect influenza A virus (IAV) infectivity in tissue culture. Moreover, polymorphisms in IFITM3 have been associated with the severity of the disease in humans. IFITM3 appears to act early in the infection, but its mechanism of action and potential interactions with incoming IAV structures are not yet defined. Here, we visualized endogenous IFITM3 interactions with IAV in the human lung epithelial cell line A549 and in primary human airway epithelial cells employing stimulated emission depletion super-resolution microscopy. By applying an iterative approach for the cluster definition and computational cluster analysis, we found that IFITM3 reorganizes into clusters as IAV infection progresses. IFITM3 cluster formation started at 2-3 h post infection and increased over time to finally coat IAV-containing endosomal vesicles. This IAV-induced phenotype was due to the endosomal recruitment of IFITM3 rather than to an overall increase in the IFITM3 abundance. While the IAV-induced IFITM3 clustering and localization to endosomal vesicles was comparable in primary human airway epithelial cells and the human lung epithelial cell line A549, the endogenous IFITM3 signal was higher in primary cells. Moreover, we observed IFITM3 signals adjacent to IAV-containing recycling endosomes.
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Abstract
PURPOSE OF REVIEW Interferon-induced transmembrane protein 3 (IFITM3) is a cellular restriction factor that blocks fusion between virus and host membranes. Here, we provide an introduction to IFITM3 and the biochemical regulation underlying its antiviral activity. Further, we analyze and summarize the published literature examining phenotypes of IFITM3 knockout mice upon infections with viral pathogens and discuss the controversial association between single nucleotide polymorphisms (SNPs) in the human IFITM3 gene and severe virus infections. RECENT FINDINGS Recent publications show that IFITM3 knockout mice experience more severe pathologies than wild-type mice in diverse virus infections, including infections with influenza A virus, West Nile virus, Chikungunya virus, Venezuelan equine encephalitis virus, respiratory syncytial virus, and cytomegalovirus. Likewise, numerous studies of humans of Chinese ancestry have associated the IFITM3 SNP rs12252-C with severe influenza virus infections, though examinations of other populations, such as Europeans, in which this SNP is rare, have largely failed to identify an association with severe infections. A second SNP, rs34481144-A, found in the human IFITM3 promoter has also recently been reported to be a risk allele for severe influenza virus infections. SUMMARY There is significant evidence for a protective role of IFITM3 against virus infections in both mice and humans, though additional work is required to identify the range of pathogens restricted by IFITM3 and the mechanisms by which human SNPs affect IFITM3 levels or functionality.
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Affiliation(s)
- Ashley Zani
- Department of Microbial Infection and Immunity, Infectious, Diseases Institute, The Ohio State University, 460 W 12th Ave, Biomedical Research Tower 790, Columbus, OH 43210, USA
| | - Jacob S Yount
- Department of Microbial Infection and Immunity, Infectious, Diseases Institute, The Ohio State University, 460 W 12th Ave, Biomedical Research Tower 790, Columbus, OH 43210, USA
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Prabhu SS, Chakraborty TT, Kumar N, Banerjee I. Association between IFITM3 rs12252 polymorphism and influenza susceptibility and severity: A meta-analysis. Gene 2018; 674:70-79. [PMID: 29940276 DOI: 10.1016/j.gene.2018.06.070] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 06/21/2018] [Indexed: 01/01/2023]
Abstract
Intrinsic host susceptibility to viral infections plays a major role in determining infection severity in different individuals. In human influenza virus infections, multiple genetic association studies have identified specific human gene variants that might contribute to enhanced susceptibility or resistance to influenza. Recent studies suggested, the rs12252 T > C polymorphism in the interferon-inducible transmembrane protein 3 (IFITM3) gene might be associated with susceptibility to severe influenza. However, the studies reported conflicting and inconclusive results. To resolve the controversy, we conducted a systematic meta-analysis to evaluate the role of the IFITM3 rs12252 polymorphism in influenza susceptibility and severity, including twelve studies published before February 19, 2018 with a total 16,263 subjects (1836 influenza cases and 14,427 controls). Odds ratios (OR) and 95% confidence intervals were used to assess the strength of the association. Our results indicated increased risk of both severe and mild influenza in subjects carrying the IFITM3 rs12252 polymorphism in the allele contrast C vs. T: OR (severe) = 1.69, 95% CI = 1.23-2.33, P = 0.001, and OR (mild) = 1.46, 95% CI = 1.13-1.87, P = 0.004. Similar results were obtained in the homozygote comparison and dominant model. Stratified analyses by ethnicity revealed increased risk of severe influenza in both the White and East Asian populations, but significant association with mild influenza was found only in the White population. Overall, our meta-analysis suggests a significant association between the IFITM3 rs12252 polymorphism and the risk of influenza in both the White and East Asian populations.
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Affiliation(s)
- Suchitra S Prabhu
- Cellular Virology Laboratory, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER), Mohali, India
| | - Trirupa Tapas Chakraborty
- Cellular Virology Laboratory, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER), Mohali, India
| | - Nirmal Kumar
- Cellular Virology Laboratory, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER), Mohali, India
| | - Indranil Banerjee
- Cellular Virology Laboratory, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER), Mohali, India.
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