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Araújo JLFDE, Bonifácio VF, Batista LM, Ávila REDE, Aguiar RS, Bastos-Rodrigues L, Souza RPDE. IFITM3 rs12252 polymorphism association with COVID-19 severity and mortality in a Brazilian sample: an update and a meta-analysis. AN ACAD BRAS CIENC 2024; 96:e20231160. [PMID: 38808879 DOI: 10.1590/0001-3765202420231160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/04/2024] [Indexed: 05/30/2024] Open
Abstract
This study investigated the association between the IFITM3 rs12252 polymorphism and the severity and mortality of COVID-19 in hospitalized Brazilian patients. A total of 102 COVID-19 patients were included, and the outcomes of interest were defined as death and the need for mechanical ventilation. Genotypes were assessed using Taqman probes. No significant associations were found between the rs12252 polymorphism and COVID-19 outcomes in the original sample, both for death and the need for mechanical ventilation. A meta-analysis, incorporating previous studies that used death as a severity indicator, revealed no association in the allelic and C-recessive models. However, due to the rarity of the T allele and its absence in the sample, further replication studies in larger and more diverse populations are needed to clarify the role of rs12252 in COVID-19 prognosis.
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Affiliation(s)
- João L F DE Araújo
- Universidade Federal de Minas Gerais, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Laboratório de Biologia Integrativa, Grupo de Pesquisa em Bioestatística e Epidemiologia Molecular, Av. Presidente Antônio Carlos, 6627, Pampulha, 31270-901 Belo Horizonte, MG, Brazil
| | - Victória F Bonifácio
- Universidade Federal de Minas Gerais, Departamento de Nutrição, Escola de Enfermagem, Av. Alfredo Balena, 190, Santa Efigência, 30130-100 Belo Horizonte, MG, Brazil
| | - Lorena M Batista
- Universidade Federal de Minas Gerais, Departamento de Nutrição, Escola de Enfermagem, Av. Alfredo Balena, 190, Santa Efigência, 30130-100 Belo Horizonte, MG, Brazil
| | - Renata Eliane DE Ávila
- Hospital Eduardo de Menezes, Rua Doutor Cristiano Resende, 2213, Bonsucesso, 30622-020 Belo Horizonte, MG, Brazil
| | - Renato S Aguiar
- Universidade Federal de Minas Gerais, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Laboratório de Biologia Integrativa, Grupo de Pesquisa em Bioestatística e Epidemiologia Molecular, Av. Presidente Antônio Carlos, 6627, Pampulha, 31270-901 Belo Horizonte, MG, Brazil
- Instituto D'OR de Pesquisa e Ensino, Rua Diniz Cordeiro, 30, Botafogo, 22281-100 Rio de Janeiro, RJ, Brazil
| | - Luciana Bastos-Rodrigues
- Universidade Federal de Minas Gerais, Departamento de Nutrição, Escola de Enfermagem, Av. Alfredo Balena, 190, Santa Efigência, 30130-100 Belo Horizonte, MG, Brazil
| | - Renan P DE Souza
- Universidade Federal de Minas Gerais, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas, Laboratório de Biologia Integrativa, Grupo de Pesquisa em Bioestatística e Epidemiologia Molecular, Av. Presidente Antônio Carlos, 6627, Pampulha, 31270-901 Belo Horizonte, MG, Brazil
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Nguyen THO, Rowntree LC, Chua BY, Thwaites RS, Kedzierska K. Defining the balance between optimal immunity and immunopathology in influenza virus infection. Nat Rev Immunol 2024:10.1038/s41577-024-01029-1. [PMID: 38698083 DOI: 10.1038/s41577-024-01029-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2024] [Indexed: 05/05/2024]
Abstract
Influenza A viruses remain a global threat to human health, with continued pandemic potential. In this Review, we discuss our current understanding of the optimal immune responses that drive recovery from influenza virus infection, highlighting the fine balance between protective immune mechanisms and detrimental immunopathology. We describe the contribution of innate and adaptive immune cells, inflammatory modulators and antibodies to influenza virus-specific immunity, inflammation and immunopathology. We highlight recent human influenza virus challenge studies that advance our understanding of susceptibility to influenza and determinants of symptomatic disease. We also describe studies of influenza virus-specific immunity in high-risk groups following infection and vaccination that inform the design of future vaccines to promote optimal antiviral immunity, particularly in vulnerable populations. Finally, we draw on lessons from the COVID-19 pandemic to refocus our attention to the ever-changing, highly mutable influenza A virus, predicted to cause future global pandemics.
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Affiliation(s)
- Thi H O Nguyen
- Department of Microbiology and Immunology, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Louise C Rowntree
- Department of Microbiology and Immunology, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Brendon Y Chua
- Department of Microbiology and Immunology, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
| | - Ryan S Thwaites
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Katherine Kedzierska
- Department of Microbiology and Immunology, University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia.
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Sahranavard-Pirbazari P, Khoshghiafeh A, Kamali MJ, Esfandiar H, Bakhtiari M, Ahmadifard M. A comprehensive review of ACE2, ACE1, TMPRSS2 and IFITM3 gene polymorphisms and their effect on the severity of COVID-19. Adv Med Sci 2023; 68:450-463. [PMID: 37926001 DOI: 10.1016/j.advms.2023.10.010] [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: 05/17/2023] [Revised: 08/01/2023] [Accepted: 10/24/2023] [Indexed: 11/07/2023]
Abstract
Recent events have raised concerns about the outbreak of a pandemic by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). An infection caused by a virus can provoke an inflammatory reaction, which can result in severe lung damage, failure of several organs, and death. The unique genetic makeup of each individual may be a component in the development of each of these responses. In this context, genetic variants of the genes linked to the invasion of the virus into the host's body can be analyzed. Various elements have a function in viral entry. ACE2 is used by SARS-CoV-2 as a receptor to enter the cell. TMPRSS2 is then responsible for cutting the virus into its components. In addition, lung damage occurs when there is an imbalance between ACE1 and ACE2. Another component that plays a significant role in virus penetration is called IFITM3, which is created as a reaction to interferon. This protein prevents viruses in the Coronaviridae family from entering cells. This study aimed to analyze DNA polymorphisms in the ACE2, ACE1, TMPRSS2, and IFITM3 genes. Findings showed certain polymorphisms appear to be associated with the severity of the disease, including respiratory, coronary, and neurological disorders. The results also indicated that certain polymorphisms were protective against this virus. Varying populations have a different frequency of high-risk polymorphisms, so different treatment and preventative techniques must be implemented. Additional population studies should be conducted in this region to reduce the incidence of COVID-19-related morbidity and mortality.
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Affiliation(s)
| | - Azin Khoshghiafeh
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mohammad Javad Kamali
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Hanieh Esfandiar
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Marzieh Bakhtiari
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mohamadreza Ahmadifard
- Department of Medical Genetics, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
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Čiučiulkaitė I, Siffert W, Elsner C, Dittmer U, Wichert M, Wagner B, Volbracht L, Mosel F, Möhlendick B. Influence of the Single Nucleotide Polymorphisms rs12252 and rs34481144 in IFITM3 on the Antibody Response after Vaccination against COVID-19. Vaccines (Basel) 2023; 11:1257. [PMID: 37515072 PMCID: PMC10384856 DOI: 10.3390/vaccines11071257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
The COVID-19 mRNA vaccine is the first mRNA vaccine approved for human administration by both the U.S. Food and Drug Administration and the European Medicines Agency. Studies have shown that the immune response and the decay of immunity after vaccination with the COVID-19 vaccines are variable within a population. Host genetic factors probably contribute to this variability. In this study, we investigated the effect of the single-nucleotide polymorphisms rs12252 and rs34481144 in the interferon-induced transmembrane protein (IFITM) 3 gene on the humoral immune response after vaccination against COVID-19 with mRNA vaccines. Blood samples were collected from 1893 healthcare workers and medical students at multiple time points post-vaccination and antibody titers against the SARS-CoV-2 S1 protein receptor binding domain were determined at all time points. All participants were genotyped for the rs34481144 and rs12252 polymorphisms in the IFITM3 gene. After the second and third vaccinations, antibody titer levels increased at one month and decreased at six months (p < 0.0001) and were higher after the booster vaccination than after the basic immunization (p < 0.0001). Participants vaccinated with mRNA-1273 had a higher humoral immune response than participants vaccinated with BNT162b2. rs12252 had no effect on the antibody response. In contrast, carriers of the GG genotype in rs34481144 vaccinated with BNT162b2 had a lower humoral immune response compared to A allele carriers, which reached statistical significance on the day of the second vaccination (p = 0.03) and one month after the second vaccination (p = 0.04). Further studies on the influence of rs12252 and rs34481144 on the humoral immune response after vaccination against COVID-19 are needed.
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Affiliation(s)
- Ieva Čiučiulkaitė
- Institute of Pharmacogenetics, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Winfried Siffert
- Institute of Pharmacogenetics, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Carina Elsner
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Ulf Dittmer
- Institute for Virology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Marc Wichert
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Bernd Wagner
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Lothar Volbracht
- Department of Clinical Chemistry and Laboratory Medicine, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Frank Mosel
- Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
| | - Birte Möhlendick
- Institute of Pharmacogenetics, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
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Villanueva-Aguilar ME, Rizo-de-la-Torre LDC, Granados-Muñiz MDP, Montoya-Fuentes A, Montoya-Fuentes H. The Genetic Variant TNFA (rs361525) Is Associated with Increased Susceptibility to Developing Dengue Symptoms. Viral Immunol 2023; 36:229-237. [PMID: 36730734 DOI: 10.1089/vim.2022.0093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Dengue virus (DENV) is the causal agent of dengue fever. The symptoms and signs of dengue vary from febrile illness to hemorrhagic syndrome. IFITM3 and TNFA are genes of the innate immune system. Variants IFITM3 (rs12252 T>C) and TNFA (rs1800629 G > A and rs361525 G>A) might alter gene expression and change the course of the disease. Our first objective was to determine whether these variants were associated with the susceptibility and severity of dengue. The second was to assess the association of these variants with each symptom. We studied 272 cases with suspected dengue infection, of which 102 were confirmed dengue cases (DENV+) and 170 were dengue-like cases without DENV infection (DENV-). Samples of 201 individuals from the general population of Mexico were included as a reference. Genotyping was performed by the polymerase chain reaction-restriction fragment length polymorphism technique. Odds ratios and confidence intervals were calculated using Pearson's chi-square test and later adjusted for age and sex with a binary logistic regression model. Haldane correction is applied when necessary. We found a significantly higher frequency of the A allele of TNFA rs361525 in both the DENV+ and DENV- groups compared with the general population. Focusing on DENV+ and DENV-, the frequency of the A allele of TNFA rs361525 was higher in the DENV+ group. A broad spectrum of symptoms was related to the A allele of both TNFA variants. We conclude that TNFA rs361525 increases the susceptibility to symptomatic dengue but can also be associated with susceptibility to other dengue-like symptoms from unknown causes.
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Affiliation(s)
- Mónica Edith Villanueva-Aguilar
- División de Medicina Molecular, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.,Doctorado en Genética Humana, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara (UDG), Guadalajara, Jalisco, México
| | - Lourdes Del Carmen Rizo-de-la-Torre
- División de Medicina Molecular, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México
| | - María Del Pilar Granados-Muñiz
- Laboratorio de Apoyo a la Vigilancia e Investigación Epidemiológica (LAVIE), Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México
| | - Andrea Montoya-Fuentes
- Laboratorio de Apoyo a la Vigilancia e Investigación Epidemiológica (LAVIE), Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México
| | - Héctor Montoya-Fuentes
- División de Medicina Molecular, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México.,Laboratorio de Apoyo a la Vigilancia e Investigación Epidemiológica (LAVIE), Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Jalisco, México
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Gupta K, Kaur G, Pathak T, Banerjee I. Systematic review and meta-analysis of human genetic variants contributing to COVID-19 susceptibility and severity. Gene 2022; 844:146790. [PMID: 35987511 PMCID: PMC9384365 DOI: 10.1016/j.gene.2022.146790] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/25/2022] [Accepted: 08/05/2022] [Indexed: 12/12/2022]
Abstract
The COVID-19 pandemic has spawned global health crisis of unprecedented magnitude, claiming millions of lives and pushing healthcare systems in many countries to the brink. Among several factors that contribute to an increased risk of COVID-19 and progression to exacerbated manifestations, host genetic landscape is increasingly being recognized as a critical determinant of susceptibility/resistance to infection and a prognosticator of clinical outcomes in infected individuals. Recently, several case-control association studies investigated the influence of human gene variants on COVID-19 susceptibility and severity to identify the culpable mutations. However, a comprehensive synthesis of the recent advances in COVID-19 host genetics research was lacking, and the inconsistent findings of the association studies required reliable evaluation of the strength of association with greater statistical power. In this study, we embarked on a systematic search of all possible reports of genetic association with COVID-19 till April 07, 2022, and performed meta-analyses of all the genetic polymorphisms that were examined in at least three studies. After identifying a total of 84 studies that investigated the association of 130 polymorphisms in 61 genes, we performed meta-analyses of all the eligible studies. Seven genetic polymorphisms involving 15,550 cases and 444,007 controls were explored for association with COVID-19 susceptibility, of which, ACE1 I/D rs4646994/rs1799752, APOE rs429358, CCR5 rs333, and IFITM3 rs12252 showed increased risk of infection. Meta-analyses of 11 gene variants involving 6702 patients with severe COVID-19 and 8640 infected individuals with non-severe manifestations revealed statistically significant association of ACE2 rs2285666, ACE2 rs2106809, ACE2 rs2074192, AGTR1 rs5186, and TNFA rs1800629 with COVID-19 severity. Overall, our study presents a synthesis of evidence on all the genetic determinants implicated in COVID-19 to date, and provides evidence of correlation between the above polymorphisms with COVID-19 susceptibility and severity.
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Affiliation(s)
| | | | | | - Indranil Banerjee
- Cellular Virology Lab, Department of Biological Sciences, Indian Institute of Science Education and Research, Mohali (IISER Mohali), Sector 81, S.A.S Nagar, Mohali 140306, India.
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Li Y, Wei L, He L, Sun J, Liu N. Interferon-induced transmembrane protein 3 gene polymorphisms are associated with COVID-19 susceptibility and severity: A meta-analysis. J Infect 2022; 84:825-833. [PMID: 35461906 PMCID: PMC9022375 DOI: 10.1016/j.jinf.2022.04.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/01/2022] [Accepted: 04/15/2022] [Indexed: 01/17/2023]
Abstract
BACKGROUND Recent evidence has linked the interferon-induced transmembrane protein 3 gene (IFITM3) to coronavirus disease 2019 (COVID-19) outcomes, but the results are inconsistent. The purpose of this meta-analysis was to evaluate the association of IFITM3 gene polymorphisms with COVID-19 susceptibility and severity. METHOD A systematic search was performed with PubMed, Web of Science, Cochrane Library, and Embase from the date of inception to 20 December 2021. The results were analyzed with pooled odds ratios (ORs) and 95% confidence intervals (95% CIs). The robustness was performed using the method of sequential removal for each trial. RESULTS Four studies involving 1989 subjects were included, from which 1114 patients were positive for COVID-19. For IFITM3 rs12252, the pooled OR showed that there was a significant association between the genotype frequencies and infection with COVID-19 in any of the gene models, i.e., the allelic model (OR = 1.91, 95% CI, 1.36-2.68), the dominant model (OR = 1.80, 95% CI, 1.27-2.56), the recessive model (OR = 5.67, 95% CI, 1.01-31.77), the heterozygous model (OR = 1.65, 95% CI, 1.16-2.36) and the homozygous model (OR = 5.88, 95% CI, 1.05-32.98). The results stratified by severity showed that there was a significant correlation only between the allelic (OR = 0.69, 95% CI, 0.49-0.97) and recessive (OR = 0.43, 95% CI, 0.20-0.93) models. Our results did not support the associations between the IFITM3 rs34481144 gene polymorphism and COVID-19 susceptibility or severity in any of the gene models. CONCLUSIONS The findings indicated that IFITM3 rs12252 gene polymorphisms were associated with COVID-19 susceptibility and that the rs12252-C variant was particularly critical for severity. Genetic factors should be considered in future vaccine development.
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Affiliation(s)
- Yapeng Li
- Rehabilitation Therapy Center, Luoyang Orthopedic Hospital of Henan Province, Orthopedic Hospital of Henan Province, Luoyang, China
| | - Lanlan Wei
- Inspection and Monitoring Center, Luoyang Center for Disease Control and Prevention, Luoyang, China
| | - Lanye He
- Department of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jiahui Sun
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Nanyang Liu
- Department of Geratology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China,Corresponding author
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de Araújo JLF, Menezes D, de Aguiar RS, de Souza RP. IFITM3, FURIN, ACE1, and TNF-α Genetic Association With COVID-19 Outcomes: Systematic Review and Meta-Analysis. Front Genet 2022; 13:775246. [PMID: 35432458 PMCID: PMC9010674 DOI: 10.3389/fgene.2022.775246] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 02/11/2022] [Indexed: 12/18/2022] Open
Abstract
Human polymorphisms may contribute to SARS-CoV-2 infection susceptibility and COVID-19 outcomes (asymptomatic presentation, severe COVID-19, death). We aimed to evaluate the association of IFITM3, FURIN, ACE1, and TNF-α genetic variants with both phenotypes using meta-analysis. The bibliographic search was conducted on the PubMed and Scielo databases covering reports published until February 8, 2022. Two independent researchers examined the study quality using the Q-Genie tool. Using the Mantel–Haenszel weighted means method, odds ratios were combined under both fixed- and random-effect models. Twenty-seven studies were included in the systematic review (five with IFITM3, two with Furin, three with TNF-α, and 17 with ACE1) and 22 in the meta-analysis (IFITM3 n = 3, TNF-α, and ACE1 n = 16). Meta-analysis indicated no association of 1) ACE1 rs4646994 and susceptibility, 2) ACE1 rs4646994 and asymptomatic COVID-19, 3) IFITM3 rs12252 and ICU hospitalization, and 4) TNF-α rs1800629 and death. On the other hand, significant results were found for ACE1 rs4646994 association with COVID-19 severity (11 studies, 692 severe cases, and 1,433 nonsevere controls). The ACE1 rs4646994 deletion allele showed increased odds for severe manifestation (OR: 1.45; 95% CI: 1.26–1.66). The homozygous deletion was a risk factor (OR: 1.49, 95% CI: 1.22–1.83), while homozygous insertion presented a protective effect (OR: 0.57, 95% CI: 0.45–0.74). Further reports are needed to verify this effect on populations with different ethnic backgrounds.Systematic Review Registration: https://www.crd.york.ac.uk/prosperodisplay_record.php?ID=CRD42021268578, identifier CRD42021268578
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Li P, Zhang Y, Shen W, Shi S, Zhao Z. dbGSRV: A manually curated database of genetic susceptibility to respiratory virus. PLoS One 2022; 17:e0262373. [PMID: 35298480 PMCID: PMC8929643 DOI: 10.1371/journal.pone.0262373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/23/2022] [Indexed: 11/18/2022] Open
Abstract
Human genetics has been proposed to play an essential role in inter-individual differences in respiratory virus infection occurrence and outcomes. To systematically understand human genetic contributions to respiratory virus infection, we developed the database dbGSRV, a manually curated database that integrated the host genetic susceptibility and severity studies of respiratory viruses scattered over literatures in PubMed. At present, dbGSRV contains 1932 records of genetic association studies relating 1010 unique variants and seven respiratory viruses, manually curated from 168 published articles. Users can access the records by quick searching, batch searching, advanced searching and browsing. Reference information, infection status, population information, mutation information and disease relationship are provided for each record, as well as hyperlinks to public databases in convenient of users accessing more information. In addition, a visual overview of the topological network relationship between respiratory viruses and associated genes is provided. Therefore, dbGSRV offers a convenient resource for researchers to browse and retrieve genetic associations with respiratory viruses, which may inspire future studies and provide new insights in our understanding and treatment of respiratory virus infection. Database URL: http://www.ehbio.com/dbGSRV/front/
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Affiliation(s)
- Ping Li
- Beijing Institute of Biotechnology, Beijing, China
| | - Yan Zhang
- Beijing Institute of Biotechnology, Beijing, China
| | - Wenlong Shen
- Beijing Institute of Biotechnology, Beijing, China
| | - Shu Shi
- Beijing Institute of Biotechnology, Beijing, China
| | - Zhihu Zhao
- Beijing Institute of Biotechnology, Beijing, China
- * E-mail:
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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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11
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Cuesta-Llavona E, Albaiceta GM, García-Clemente M, Duarte-Herrera ID, Amado-Rodríguez L, Hermida-Valverde T, Enríquez-Rodriguez AI, Hernández-González C, Melón S, Alvarez-Argüelles ME, Boga JA, Rojo-Alba S, Vázquez-Coto D, Gómez J, Coto E. Association between the interferon-induced transmembrane protein 3 gene ( IFITM3) rs34481144 / rs12252 haplotypes and COVID-19. CURRENT RESEARCH IN VIROLOGICAL SCIENCE 2021; 2:100016. [PMID: 34870250 PMCID: PMC8629514 DOI: 10.1016/j.crviro.2021.100016] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/26/2021] [Accepted: 11/22/2021] [Indexed: 12/12/2022]
Abstract
The interferon induced transmembrane-protein 3 (IFITM3) plays an important role in the defence against viral infection. IFITM3 gene variants have been linked to differences in expression and associated with the risk of severe influenza by some authors. More recently, these variants have been associated with the risk of COVID-19 after SARS-CoV-2 infection. We determined the effect of two common IFITM3 polymorphisms (rs34481144 C/T and rs12252 A/G) on the risk of hospitalization due to COVID-19 by comparing 484 patients (152 required support in thr intensive care unit, ICU) and 182 age and sex matched controls (no disease symptoms). We found significantly higher frequencies of rs34481144 T and rs12252 G carriers among the patients (OR = 2.02 and OR = 1.51, respectively). None of the two variants were associated with ICU-admission or death. We found a significantly higher frequency of rs34481144 CC + rs12252 AA genotype carriers among the controls, suggesting a protective effect (p = 0.001, OR = 0.56, 95%CI = 0.40–0.80). Moreover, haplotype rs34481144 C - rs12252 A was significantly increased in the controls (p = 0.008, OR = 0.71, 95%CI = 0.55–0.91). Our results showed a significant effect of the IFITM3 variants in the risk for hospitalization after SARS-CoV-2 infection.
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Affiliation(s)
- Elías Cuesta-Llavona
- Genética Molecular, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Guillermo M Albaiceta
- Unidad de Cuidados Intensivos Cardiológicos, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain.,Universidad de Oviedo, Oviedo, Spain.,CIBER-Enfermedades Respiratorias. Instituto de Salud Carlos III. Madrid, Spain.,Instituto Universitario de Oncología del Principado de Asturias. Oviedo, Spain
| | - Marta García-Clemente
- Neumología, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | | | - Laura Amado-Rodríguez
- Unidad de Cuidados Intensivos Cardiológicos, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain.,Universidad de Oviedo, Oviedo, Spain.,CIBER-Enfermedades Respiratorias. Instituto de Salud Carlos III. Madrid, Spain.,Instituto Universitario de Oncología del Principado de Asturias. Oviedo, Spain
| | - Tamara Hermida-Valverde
- Neumología, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Ana I Enríquez-Rodriguez
- Neumología, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Cristina Hernández-González
- Neumología, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Santiago Melón
- Microbiologia, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Marta E Alvarez-Argüelles
- Microbiologia, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - José A Boga
- Microbiologia, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Susana Rojo-Alba
- Microbiologia, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | | | - Juan Gómez
- Genética Molecular, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain
| | - Eliecer Coto
- Genética Molecular, Hospital Universitario Central Asturias, Oviedo, Spain.,Instituto de Investigación Sanitaria del Principado deAsturias, ISPA, Oviedo, Spain.,Universidad de Oviedo, Oviedo, Spain
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12
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Staller E, Sheppard CM, Baillon L, Frise R, Peacock TP, Sancho-Shimizu V, Barclay WS. A natural variant in ANP32B impairs influenza virus replication in human cells. J Gen Virol 2021; 102. [PMID: 34524075 PMCID: PMC8567425 DOI: 10.1099/jgv.0.001664] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Viruses require host factors to support their replication, and genetic variation in such factors can affect susceptibility to infectious disease. Influenza virus replication in human cells relies on ANP32 proteins, which are involved in assembly of replication-competent dimeric influenza virus polymerase (FluPol) complexes. Here, we investigate naturally occurring single nucleotide variants (SNV) in the human Anp32A and Anp32B genes. We note that variant rs182096718 in Anp32B is found at a higher frequency than other variants in either gene. This SNV results in a D130A substitution in ANP32B, which is less able to support FluPol activity than wild-type ANP32B and binds FluPol with lower affinity. Interestingly, ANP32B-D130A exerts a dominant negative effect over wild-type ANP32B and interferes with the functionally redundant paralogue ANP32A. FluPol activity and virus replication are attenuated in CRISPR-edited cells expressing wild-type ANP32A and mutant ANP32B-D130A. We propose a model in which the D130A mutation impairs FluPol dimer formation, thus resulting in compromised replication. We suggest that both homozygous and heterozygous carriers of rs182096718 may have some genetic protection against influenza viruses.
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Affiliation(s)
- Ecco Staller
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, UK.,Present address: Sir William Dunn School of Pathology, University of Oxford, Oxford, UK
| | - Carol M Sheppard
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, UK
| | - Laury Baillon
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, UK
| | - Rebecca Frise
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, UK
| | - Thomas P Peacock
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, UK
| | | | - Wendy S Barclay
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, UK
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13
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Kumar N, Prabhu SS, Monga I, Banerjee I. Influence of IL28B gene polymorphisms on PegINF-RBV-mediated HCV clearance in HIV-HCV co-infected patients: A meta-analysis. Meta Gene 2021. [DOI: 10.1016/j.mgene.2021.100909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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14
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Yang B, Yang KD. Immunopathogenesis of Different Emerging Viral Infections: Evasion, Fatal Mechanism, and Prevention. Front Immunol 2021; 12:690976. [PMID: 34335596 PMCID: PMC8320726 DOI: 10.3389/fimmu.2021.690976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 06/14/2021] [Indexed: 12/16/2022] Open
Abstract
Different emerging viral infections may emerge in different regions of the world and pose a global pandemic threat with high fatality. Clarification of the immunopathogenesis of different emerging viral infections can provide a plan for the crisis management and prevention of emerging infections. This perspective article describes how an emerging viral infection evolves from microbial mutation, zoonotic and/or vector-borne transmission that progresses to a fatal infection due to overt viremia, tissue-specific cytotropic damage or/and immunopathology. We classified immunopathogenesis of common emerging viral infections into 4 categories: 1) deficient immunity with disseminated viremia (e.g., Ebola); 2) pneumocytotropism with/without later hyperinflammation (e.g., COVID-19); 3) augmented immunopathology (e.g., Hanta); and 4) antibody-dependent enhancement of infection with altered immunity (e.g., Dengue). A practical guide to early blocking of viral evasion, limiting viral load and identifying the fatal mechanism of an emerging viral infection is provided to prevent and reduce the transmission, and to do rapid diagnoses followed by the early treatment of virus neutralization for reduction of morbidity and mortality of an emerging viral infection such as COVID-19.
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Affiliation(s)
- Betsy Yang
- Department of Medicine, Kaiser Permanente Oakland Medical Center, Oakland, CA, United States
| | - Kuender D Yang
- DIvision of Medical Research, Mackay Children's Hospital, Taipei, Taiwan.,Institute of Clinical Medicine, National Yang Ming University, Taipei, Taiwan.,Department of Microbiology & Immunology, National Defense Medical Center, Taipei, Taiwan
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15
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Yu WQ, Ji NF, Ding MD, Gu CJ, Ma Y, Wu ZZ, Wang YL, Wu CJ, Dai GH, Chen Y, Jin RR, Tan YB, Yang Z, Zhou DM, Xian JC, Xu HT, Huang M. Characteristics of H7N9 avian influenza pneumonia: a retrospective analysis of 17 cases. Intern Med J 2021; 50:1115-1123. [PMID: 31707755 DOI: 10.1111/imj.14685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 10/31/2019] [Accepted: 10/31/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND H7N9 avian influenza is an infection of public health concern, in part because of its high mortality rate and pandemic potential. AIMS To describe the clinical features of H7N9 avian influenza and the response to treatment. METHODS Clinical, radiological and histopathological data, and treatment-related of H7N9-infected patients hospitalised during 2014-2017 were extracted and analysed. RESULTS A total of 17 H7N9 patients (three females; mean age, 58.4 ± 13.7 years) was identified; of these six died. All patients presented with fever and productive cough; four patients had haemoptysis and 13 had chest distress and/or shortness of breath. Early subnormal white blood cell count and elevation of serum liver enzymes were common. Multilobar patchy shadows, rapid progression to ground-glass opacities, air bronchograms and consolidation were the most common imaging findings. Histopathological examination of lung tissue of three patients who died showed severe alveolar epithelial cell damage, with inflammatory exudation into the alveolar space and hyaline membrane formation; widened alveolar septae, prominent inflammatory cell infiltration; and hyperplasia of pneumocytes. Viral inclusions were found in the lung tissue of two patients. All patients received antiviral drugs (oseltamivir ± peramivir). Four patients carried the rs12252-C/C interferon-induced transmembrane protein-3 (IFITM3) genotype, while the others had the C/T genotype. CONCLUSIONS H7N9 virus infection causes human influenza-like symptoms, but may rapidly progress to severe pneumonia and even death. Clinicians should be alert to the possibility of H7N9 infection in high-risk patients. The presence of the IFITM3 rs12252-C genotype may predict severe illness.
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Affiliation(s)
- Wen-Qing Yu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.,Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - Ning-Fei Ji
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Ming-Dong Ding
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - Cheng-Jing Gu
- Department of Pharmacy, Taizhou People's Hospital, Taizhou, China
| | - Yuan Ma
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhen-Zhen Wu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yan-Li Wang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Chao-Jie Wu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Gui-Hong Dai
- Department of Pathology, Taizhou People's Hospital, Taizhou, China
| | - Yan Chen
- Department of Pathology, Taizhou People's Hospital, Taizhou, China
| | - Rong-Rong Jin
- Department of Pathology, Taizhou People's Hospital, Taizhou, China
| | - Yi-Bin Tan
- Department of Nuclear Medicine, Taizhou People's Hospital, Taizhou, China
| | - Zhu Yang
- Department of Medical Microbiology and Immunology, Wannan Medical College, Wuhu, China
| | - Da-Ming Zhou
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - Jian-Chun Xian
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - Hong-Tao Xu
- Department of Infectious Diseases, Taizhou People's Hospital, Taizhou, China
| | - Mao Huang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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16
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Kim YC, Jeong BH. Phylogenetic and topological analyses of the bovine interferon-induced transmembrane protein (IFITM3). Acta Vet Hung 2021; 69:14-22. [PMID: 33861724 DOI: 10.1556/004.2021.00010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/08/2021] [Indexed: 11/19/2022]
Abstract
Interferon-induced transmembrane protein 3 (IFITM3) plays a pivotal role in antiviral capacity in several species. However, to date, investigations of the IFITM3 protein in cattle have been rare. According to recent studies, interspecific differences in the IFITM3 protein result in several unique features of the IFITM3 protein relative to primates and birds. Thus, in the present study, we investigated the bovine IFITM3 protein based on nucleotide and amino acid sequences to find its distinct features. We found that the bovine IFITM3 gene showed a significantly different length and homology relative to other species, including primates, rodents and birds. Phylogenetic analyses indicated that the bovine IFITM3 gene and IFITM3 protein showed closer evolutionary distance with primates than with rodents. However, cattle showed an independent clade among primates, rodents and birds. Multiple sequence alignment of the IFITM3 protein indicated that the bovine IFITM3 protein contains 36 bovine-specific amino acids. Notably, the bovine IFITM3 protein was predicted to prefer inside-to-outside topology of intramembrane domain 1 (IMD1) and inside-to-outside topology of transmembrane domain 2 by TMpred and three membrane embedding domains according to the SOSUI system.
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Affiliation(s)
- Yong-Chan Kim
- 1Korea Zoonosis Research Institute, Jeonbuk National University, 820-120 Hana-ro, Iksan, Jeonbuk 54531, Republic of Korea
- 2Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju, Jeonbuk 54531, Republic of Korea
| | - Byung-Hoon Jeong
- 1Korea Zoonosis Research Institute, Jeonbuk National University, 820-120 Hana-ro, Iksan, Jeonbuk 54531, Republic of Korea
- 2Department of Bioactive Material Sciences and Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju, Jeonbuk 54531, Republic of Korea
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17
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Forbester JL, Humphreys IR. Genetic influences on viral-induced cytokine responses in the lung. Mucosal Immunol 2021; 14:14-25. [PMID: 33184476 PMCID: PMC7658619 DOI: 10.1038/s41385-020-00355-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 10/14/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023]
Abstract
Infection with respiratory viruses such as influenza, respiratory syncytial virus and coronavirus provides a difficult immunological challenge for the host, where a balance must be established between controlling viral replication and limiting damage to the delicate lung structure. Although the genetic architecture of host responses to respiratory viral infections is not yet understood, it is clear there is underlying heritability that influences pathogenesis. Immune control of virus replication is essential in respiratory infections, but overt activation can enhance inflammation and disease severity. Cytokines initiate antiviral immune responses but are implicated in viral pathogenesis. Here, we discuss how host genetic variation may influence cytokine responses to respiratory viral infections and, based on our current understanding of the role that cytokines play in viral pathogenesis, how this may influence disease severity. We also discuss how induced pluripotent stem cells may be utilised to probe the mechanistic implications of allelic variation in genes in virus-induced inflammatory responses. Ultimately, this could help to design better immune modulators, stratify high risk patients and tailor anti-inflammatory treatments, potentially expanding the ability to treat respiratory virus outbreaks in the future.
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Affiliation(s)
- Jessica L Forbester
- Division of Infection and Immunity/Systems Immunity University Research Institute, Cardiff University, Henry Wellcome Building, Heath Park, Cardiff, CF14 4XN, UK.
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, John Radcliffe Hospital, Headley Way, Headington, Oxford, OX3 9DS, UK.
| | - Ian R Humphreys
- Division of Infection and Immunity/Systems Immunity University Research Institute, Cardiff University, Henry Wellcome Building, Heath Park, Cardiff, CF14 4XN, UK
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18
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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: 28] [Impact Index Per Article: 7.0] [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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19
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Al-Eitan LN, Alahmad SZ. Pharmacogenomics of genetic polymorphism within the genes responsible for SARS-CoV-2 susceptibility and the drug-metabolising genes used in treatment. Rev Med Virol 2020; 31:e2194. [PMID: 33205496 PMCID: PMC7744885 DOI: 10.1002/rmv.2194] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 12/13/2022]
Abstract
The ongoing outbreak of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) represents a significant challenge to international health. Pharmacogenomics aims to identify the different genetic variations that exist between individuals and populations in order to determine appropriate treatment protocols to enhance the efficacy of drugs and reduce their side‐effects. This literature review provides an overview of recent studies of genetic polymorphisms in genes that mediate the SARS‐CoV‐2 infection mechanism (ACE1, ACE2, TMPRSS2 and CD26). In addition, genetic variations in the drug‐metabolising enzyme genes of several selected drugs used in the treatment of COVID‐19 are summarised. This may help construct an effective health protocol based on genetic biomarkers to optimise response to treatment. Potentially, pharmacogenomics could contribute to the development of effective high‐throughput assays to improve patient evaluation, but their use will also create ethical, medical, regulatory, and legal issues, which should now be considered in the era of personalised medicine.
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Affiliation(s)
- Laith N Al-Eitan
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Saif Z Alahmad
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
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20
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Ethnic variation in risk genotypes based on single nucleotide polymorphisms (SNPs) of the interferon-inducible transmembrane 3 (IFITM3) gene, a susceptibility factor for pandemic 2009 H1N1 influenza A virus. Immunogenetics 2020; 72:447-453. [PMID: 33174121 PMCID: PMC7654847 DOI: 10.1007/s00251-020-01188-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 11/03/2020] [Indexed: 01/24/2023]
Abstract
The interferon-inducible transmembrane 3 (IFITM3) protein is an effector of the host innate immune system that shows defensive activity against a wide range of viruses, including the influenza A virus. Previous studies have reported that three transcription-related regulatory single nucleotide polymorphisms (SNPs), rs12252, rs34481144, and rs6598045, showed potent associations with the severity of pandemic influenza A 2009 infection and susceptibility to this virus, respectively. However, the distribution of the risk genotypes of these three SNPs according to ethnic background has remained elusive. In this study, we compared the genotype and allele frequencies of the IFITM3 polymorphisms among several ethnic groups including American, African, European, South Asian, and East Asian using chi-square test. In addition, we analyzed the worldwide distribution of risk genotypes for pandemic influenza A 2009 virus infection. We found that the genotype and allele distributions of the rs12252, rs34481144, and rs6598045 SNPs were significantly different among several ethnic groups. In addition, the risk genotypes of the IFITM3 polymorphisms were also significantly different worldwide. To the best of our knowledge, this was the first simultaneous estimation of the risk genotypes of the IFITM3 gene with respect to pandemic influenza A 2009 virus infection.
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21
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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: 7] [Impact Index Per Article: 1.8] [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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22
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Mulinari Turin de Oliveira N, Fernandes da Silva Figueiredo I, Cristine Malaquias da Silva L, Sauruk da Silva K, Regis Bueno L, Barbosa da Luz B, Rita Corso C, Paula Werner MF, Soares Fernandes E, Maria-Ferreira D. Tissue Proteases and Immune Responses: Influencing Factors of COVID-19 Severity and Mortality. Pathogens 2020; 9:E817. [PMID: 33036180 PMCID: PMC7600261 DOI: 10.3390/pathogens9100817] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 12/18/2022] Open
Abstract
The coronavirus disease 19 (COVID-19) is caused by the highly transmissible severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which has affected the global population despite socioeconomic status and amazed surveillance agencies for its incidence, mortality, and recovery rates. COVID-19 affects all age groups; however, it is suggested to progress into severe disease and cause mortality in over 10% of the confirmed cases, depending on the individual characteristics of the affected population. One of the biggest unanswered questions it is why only some individuals develop into the severe stages of the disease. Current data indicate that most of the critically ill are the elderly or those with comorbidities such as hypertension, diabetes, and asthma. However, it has been noted that, in some populations, severe disease is mostly observed in much younger individuals (<60-years old) with no reported underlying medical conditions. Certainly, many factors may contribute to disease severity including intrinsic host factors such as genetic variants, the expression levels of tissue proteins, among others. Considering all these aspects, this review aims to discuss how the expression levels of tissue proteases and the different profiles of immune responses influence the susceptibility to COVID-19 as well as disease severity and outcome.
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Affiliation(s)
- Natália Mulinari Turin de Oliveira
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Isabella Fernandes da Silva Figueiredo
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Liziane Cristine Malaquias da Silva
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Karien Sauruk da Silva
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Laryssa Regis Bueno
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Bruna Barbosa da Luz
- Departamento de Farmacologia, Universidade Federal do Paraná, Curitiba, PR 81531-980, Brazil; (B.B.d.L.); (M.F.P.W.)
| | - Cláudia Rita Corso
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Maria Fernanda Paula Werner
- Departamento de Farmacologia, Universidade Federal do Paraná, Curitiba, PR 81531-980, Brazil; (B.B.d.L.); (M.F.P.W.)
| | - Elizabeth Soares Fernandes
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
| | - Daniele Maria-Ferreira
- Faculdades Pequeno Príncipe, Av. Iguaçu No 333, Curitiba, PR 80250-200, Brazil; (N.M.T.d.O.); (I.F.d.S.F.); (L.C.M.d.S.); (K.S.d.S.); (L.R.B.); (C.R.C.); (E.S.F.)
- Instituto de Pesquisa Pelé Pequeno Príncipe, Av. Silva Jardim No 1532, Curitiba, PR 80250-200, Brazil
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Abstract
The year 2018 marked the 100th anniversary of the deadliest event in human history. In 1918-1919, pandemic influenza spread globally and caused an estimated 50-100 million deaths associated with unexpected clinical and epidemiological features. The descendants of the 1918 virus continue to circulate as annual epidemic viruses causing significant mortality each year. The 1918 influenza pandemic serves as a benchmark for the development of universal influenza vaccines. Challenges to producing a truly universal influenza vaccine include eliciting broad protection against antigenically different influenza viruses that can prevent or significantly downregulate viral replication and reduce morbidity by preventing development of viral and secondary bacterial pneumonia. Perhaps the most important goal of such vaccines is not to prevent influenza, but to prevent influenza deaths.
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Affiliation(s)
- David M Morens
- Office of the Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
| | - Jeffery K Taubenberger
- Viral Pathogenesis and Evolution Section, Laboratory of Infectious Diseases, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
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24
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Häfner SJ. Evergreen influenza - Tackling an old enemy with fresh munitions. Biomed J 2019; 42:1-4. [PMID: 30987700 PMCID: PMC6468092 DOI: 10.1016/j.bj.2019.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 02/25/2019] [Indexed: 11/17/2022] Open
Abstract
This special edition of the Biomedical Journal puts the innate immune system into the limelight. We learn about the universal mechanisms underlying the immediate defense against influenza viruses mounted by innate immunity but also its detrimental secondary effects and how differential host genetics influence the network. Moreover, this issue addresses how oral hygiene is a concern for the entire organism, that younger age goes well with neoadjuvant chemotherapy for breast cancer and zinc with feeling less distressed by tinnitus caused by noise-induced hearing loss, and that IL-1Ra holds very promising potential to prevent intestinal ischemia reperfusion injury. Finally, we discover which type of post optimally protects devitalized teeth from breaking and how difficult it is to accurately diagnose the macrofollicular variant of papillary thyroid carcinoma.
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Affiliation(s)
- Sophia Julia Häfner
- Anders Lund Group, BRIC Biotech Research & Innovation Centre, University of Copenhagen, Ole Maaløes Vej 5, 2200, Copenhagen, Denmark.
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25
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Dhakal S, Klein SL. Host Factors Impact Vaccine Efficacy: Implications for Seasonal and Universal Influenza Vaccine Programs. J Virol 2019; 93:e00797-19. [PMID: 31391269 PMCID: PMC6803252 DOI: 10.1128/jvi.00797-19] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Influenza is a global public health problem. Current seasonal influenza vaccines have highly variable efficacy, and thus attempts to develop broadly protective universal influenza vaccines with durable protection are under way. While much attention is given to the virus-related factors contributing to inconsistent vaccine responses, host-associated factors are often neglected. Growing evidences suggest that host factors including age, biological sex, pregnancy, and immune history play important roles as modifiers of influenza virus vaccine efficacy. We hypothesize that host genetics, the hormonal milieu, and gut microbiota contribute to host-related differences in influenza virus vaccine efficacy. This review highlights the current insights and future perspectives into host-specific factors that impact influenza vaccine-induced immunity and protection. Consideration of the host factors that affect influenza vaccine-induced immunity might improve influenza vaccines by providing empirical evidence for optimizing or even personalizing vaccine type, dose, and use of adjuvants for current seasonal and future universal influenza vaccines.
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Affiliation(s)
- Santosh Dhakal
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Sabra L Klein
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
- Department of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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26
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Host Factors Impact Vaccine Efficacy: Implications for Seasonal and Universal Influenza Vaccine Programs. J Virol 2019. [PMID: 31391269 DOI: 10.1128/jvi.00797‐19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Influenza is a global public health problem. Current seasonal influenza vaccines have highly variable efficacy, and thus attempts to develop broadly protective universal influenza vaccines with durable protection are under way. While much attention is given to the virus-related factors contributing to inconsistent vaccine responses, host-associated factors are often neglected. Growing evidences suggest that host factors including age, biological sex, pregnancy, and immune history play important roles as modifiers of influenza virus vaccine efficacy. We hypothesize that host genetics, the hormonal milieu, and gut microbiota contribute to host-related differences in influenza virus vaccine efficacy. This review highlights the current insights and future perspectives into host-specific factors that impact influenza vaccine-induced immunity and protection. Consideration of the host factors that affect influenza vaccine-induced immunity might improve influenza vaccines by providing empirical evidence for optimizing or even personalizing vaccine type, dose, and use of adjuvants for current seasonal and future universal influenza vaccines.
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27
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Gounder AP, Boon ACM. Influenza Pathogenesis: The Effect of Host Factors on Severity of Disease. THE JOURNAL OF IMMUNOLOGY 2019; 202:341-350. [PMID: 30617115 DOI: 10.4049/jimmunol.1801010] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 09/10/2018] [Indexed: 12/11/2022]
Abstract
Influenza viruses continue to be a major global health threat. Severity and clinical outcome of influenza disease is determined by both viral and host factors. Viral factors have long been the subject of intense research and many molecular determinants have been identified. However, research into the host factors that protect or predispose to severe and fatal influenza A virus infections is lagging. The goal of this review is to highlight the recent insights into host determinants of influenza pathogenesis.
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Affiliation(s)
- Anshu P Gounder
- Department of Internal Medicine, Washington University School of Medicine in St. Louis, St. Louis, MO 63110.,Department of Molecular Microbiology and Microbial Pathogenesis, Washington University School of Medicine in St. Louis, St. Louis, MO 63110; and
| | - Adrianus C M Boon
- Department of Internal Medicine, Washington University School of Medicine in St. Louis, St. Louis, MO 63110; .,Department of Molecular Microbiology and Microbial Pathogenesis, Washington University School of Medicine in St. Louis, St. Louis, MO 63110; and.,Department of Pathology and Immunology, Washington University School of Medicine in St. Louis, St. Louis, MO 63110
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28
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Host Single Nucleotide Polymorphisms Modulating Influenza A Virus Disease in Humans. Pathogens 2019; 8:pathogens8040168. [PMID: 31574965 PMCID: PMC6963926 DOI: 10.3390/pathogens8040168] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 09/27/2019] [Accepted: 09/28/2019] [Indexed: 12/14/2022] Open
Abstract
A large number of human genes associated with viral infections contain single nucleotide polymorphisms (SNPs), which represent a genetic variation caused by the change of a single nucleotide in the DNA sequence. SNPs are located in coding or non-coding genomic regions and can affect gene expression or protein function by different mechanisms. Furthermore, they have been linked to multiple human diseases, highlighting their medical relevance. Therefore, the identification and analysis of this kind of polymorphisms in the human genome has gained high importance in the research community, and an increasing number of studies have been published during the last years. As a consequence of this exhaustive exploration, an association between the presence of some specific SNPs and the susceptibility or severity of many infectious diseases in some risk population groups has been found. In this review, we discuss the relevance of SNPs that are important to understand the pathology derived from influenza A virus (IAV) infections in humans and the susceptibility of some individuals to suffer more severe symptoms. We also discuss the importance of SNPs for IAV vaccine effectiveness.
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29
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Kellam P, Weiss RA. Protecting fetal development. SCIENCE (NEW YORK, N.Y.) 2019; 365:118-119. [PMID: 31296753 DOI: 10.1126/science.aay2054] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Paul Kellam
- Department of Medicine, Division of Infectious Diseases, Imperial College London, London, UK.
| | - Robin A Weiss
- Division of Infection and Immunity, University College London, London, UK.
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30
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Wellington D, Laurenson-Schafer H, Abdel-Haq A, Dong T. IFITM3: How genetics influence influenza infection demographically. Biomed J 2019; 42:19-26. [PMID: 30987701 PMCID: PMC6468115 DOI: 10.1016/j.bj.2019.01.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 12/06/2018] [Accepted: 01/07/2019] [Indexed: 12/18/2022] Open
Abstract
The role of host genetics in influenza infection is unclear despite decades of interest. Confounding factors such as age, sex, ethnicity and environmental factors have made it difficult to assess the role of genetics without influence. In recent years a single nucleotide polymorphism, interferon-induced transmembrane protein 3 (IFITM3) rs12252, has been shown to alter the severity of influenza infection in Asian populations. In this review we investigate this polymorphism as well as several others suggested to alter the host's defence against influenza infection. In addition, we highlight the open questions surrounding the viral restriction protein IFITM3 with the hope that by answering some of these questions we can elucidate the mechanism of IFITM3 viral restriction and therefore how this restriction is altered due to the rs12252 polymorphism.
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Affiliation(s)
- Dannielle Wellington
- MRC Human Immunology Unit, WIMM, University of Oxford, OX3 9DS, UK; CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, OX3 9FZ, UK.
| | - Henry Laurenson-Schafer
- MRC Human Immunology Unit, WIMM, University of Oxford, OX3 9DS, UK; CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, OX3 9FZ, UK
| | - Adi Abdel-Haq
- MRC Human Immunology Unit, WIMM, University of Oxford, OX3 9DS, UK; Martin-Luther-University, Halle-Wittenberg, Germany
| | - Tao Dong
- MRC Human Immunology Unit, WIMM, University of Oxford, OX3 9DS, UK; CAMS Oxford Institute, Nuffield Department of Medicine, Oxford University, OX3 9FZ, UK.
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31
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Comerlato Scotta M, Greff Machado D, Goecks Oliveira S, de Moura A, Rhoden Estorgato G, de Souza APD, Nery Porto B, de Araújo PD, Sarria EE, Pitrez PM, Jones MH, Araújo Pinto L, Tetelbom Stein R, Polack FP, Mattiello R. Evaluation of nasal levels of interferon and clinical severity of influenza in children. J Clin Virol 2019; 114:37-42. [PMID: 30913521 DOI: 10.1016/j.jcv.2019.02.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 02/04/2019] [Accepted: 02/10/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Experimental data show that type I interferon has a key role in innate immune response against influenza infection. OBJECTIVE We compared nasal levels of interferon-α2 and β among inpatients and outpatients with influenza. STUDY DESIGN Children younger than 5 years of age with influenza-like illness seeking care at the emergency department within the first 72 h of disease onset were prospectively included. Clinical and demographic data and secretions through nasal wash were obtained. Influenza infection was assessed through reverse-transcription polymerase chain reaction and nasal levels of interferon-α2 and β were measured by enzyme-linked immunosorbent assay. All patients followed until the end of the disease. RESULTS One hundred patients were included, of which 24 had confirmed influenza infection, and 5 of them were hospitalized. Subtypes A (H3N2) and B were confirmed in 10 and 14 patients, respectively. Seventy-six patients without influenza, including 48% of outpatients, were recruited as controls. All hospitalized patients were significantly younger regardless of influenza status (age <6 months in 59% vs. 23.2%, p < 0.001). All other data were similar among the groups. Comparing median levels of interferon-α2 among children with influenza, levels were significantly higher in outpatients than in hospitalized patients and were 263.2 pg/mL (25-75 interquartile range: 58.3-634) and detectable in only one patient (90 pg/mL), respectively. The levels of interferon-α2 in controls and those of interferon-β in all groups were not detected. CONCLUSIONS Higher levels of interferon-α2 in patients with less severe influenza reinforce experimental evidence about the protective role of interferon-α2 against influenza infection.
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Affiliation(s)
| | - Denise Greff Machado
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil; Centro Universitário Ritter dos Reis, Porto Alegre, Brazil
| | - Suelen Goecks Oliveira
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Angela de Moura
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | | | | | - Barbara Nery Porto
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Edgar Enrique Sarria
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil; Universidade de Santa Cruz do Sul (UNISC), School of Medicine, Department of Biology and Pharmacy, Brazil
| | - Paulo Marcio Pitrez
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil; Hospital Moinhos de Vento, Porto Alegre, Brazil
| | - Marcus Herbert Jones
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Leonardo Araújo Pinto
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Renato Tetelbom Stein
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Rita Mattiello
- Centro Infant, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.
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32
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Gordon S. Legacy of the influenza pandemic 1918: Introduction. Biomed J 2019; 42:5-7. [PMID: 30987705 PMCID: PMC6468111 DOI: 10.1016/j.bj.2019.01.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 01/18/2019] [Indexed: 01/17/2023] Open
Affiliation(s)
- Siamon Gordon
- Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Exeter College Emeritus Fellow in Pathology, and Emeritus GlaxoWellcome Professor of Cellular Pathology, University of Oxford, UK.
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33
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Abstract
PURPOSE OF REVIEW Influenza causes a range of illnesses in children, from uncomplicated self-limited illness to severe disease and death. This review provides an update on the severity and burden of influenza in US children over recent seasons. RECENT FINDINGS The 2017-2018 influenza season was widespread and severe across all ages, including children. Disease severity is influenced by influenza virologic characteristics and host factors, as well as public health interventions such as influenza vaccination and antiviral treatment. In recent influenza A (H3N2)-predominant seasons (2016-2017 and 2017-2018), influenza vaccination effectiveness was higher in younger children compared with older children and adolescents, although the reasons for this are unclear. Interestingly, even in seasons when influenza A (H3N2) viruses predominate, influenza A (H1N1)pdm09 and B viruses can play a large role in severe pediatric disease. Although children less than 5 years of age and those with underlying medical conditions are at increased risk for severe disease, influenza-associated hospitalizations and deaths occur every season in healthy children. SUMMARY Influenza causes a substantial burden of outpatient visits, hospitalizations, and deaths among children. Ongoing research is important to better characterize factors that contribute to influenza severity, and to identify strategies to improve the impact of influenza vaccination and treatment.
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34
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Zhao X, Li J, Winkler CA, An P, Guo JT. IFITM Genes, Variants, and Their Roles in the Control and Pathogenesis of Viral Infections. Front Microbiol 2019; 9:3228. [PMID: 30687247 PMCID: PMC6338058 DOI: 10.3389/fmicb.2018.03228] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 12/12/2018] [Indexed: 01/01/2023] Open
Abstract
Interferon-induced transmembrane proteins (IFITMs) are a family of small proteins that localize in the plasma and endolysosomal membranes. IFITMs not only inhibit viral entry into host cells by interrupting the membrane fusion between viral envelope and cellular membranes, but also reduce the production of infectious virions or infectivity of progeny virions. Not surprisingly, some viruses can evade the restriction of IFITMs and even hijack the antiviral proteins to facilitate their infectious entry into host cells or promote the assembly of virions, presumably by modulating membrane fusion. Similar to many other host defense genes that evolve under the selective pressure of microorganism infection, IFITM genes evolved in an accelerated speed in vertebrates and many single-nucleotide polymorphisms (SNPs) have been identified in the human population, some of which have been associated with severity and prognosis of viral infection (e.g., influenza A virus). Here, we review the function and potential impact of genetic variation for IFITM restriction of viral infections. Continuing research efforts are required to decipher the molecular mechanism underlying the complicated interaction among IFITMs and viruses in an effort to determine their pathobiological roles in the context of viral infections in vivo.
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Affiliation(s)
- Xuesen Zhao
- Institute of Infectious Disease, Beijing Ditan Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Emerging Infectious Disease, Beijing, China
| | - Jiarui Li
- Institute of Infectious Disease, Beijing Ditan Hospital, Capital Medical University, Beijing, China.,Beijing Key Laboratory of Emerging Infectious Disease, Beijing, China
| | - Cheryl A Winkler
- Basic Research Laboratory, Frederick National Laboratory for Cancer Research, National Cancer Institute, Leidos Biomedical Research, Inc., Frederick, MD, United States
| | - Ping An
- Basic Research Laboratory, Frederick National Laboratory for Cancer Research, National Cancer Institute, Leidos Biomedical Research, Inc., Frederick, MD, United States
| | - Ju-Tao Guo
- Baruch S. Blumberg Institute, Hepatitis B Foundation, Doylestown, PA, United States
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