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Song JH, Hwang B, Lyea Park S, Kim H, Jung S, Choi C, Myung Lee H, Yun SJ, Hyun Choi Y, Cha EJ, Patterson C, Kim WJ, Moon SK. IL-28A/IL-10Rβ axis promotes angiogenesis via eNOS/AKT signaling and AP-1/NF-κB/MMP-2 network by regulating HSP70-1 expression. J Adv Res 2024:S2090-1232(24)00356-4. [PMID: 39127098 DOI: 10.1016/j.jare.2024.08.013] [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: 11/18/2023] [Revised: 08/06/2024] [Accepted: 08/07/2024] [Indexed: 08/12/2024] Open
Abstract
INTRODUCTION Angiogenesis plays a significant role in the development of tumor progression and inflammatory diseases. The role of IL-28A in angiogenesis and its precise regulatory mechanisms remain rarely elucidated. OBJECTIVES We report the novel regulatory role of IL-28A in physiological angiogenesis. The study aimed to elucidate the regulatory mechanisms involved in IL-28A-mediated angiogenesis and identify key genes associated with IL-28A-induced angiogenic responses. METHODS To know the effect of IL-28A on angiogenesis, HUVECs were applied to perform proliferation, migration, invasion, tube formation, immunoblot, and EMSA. Gene expression changes in HUVECs following IL-28A treatment were analyzed by NGS. The functional role of HSP70-1 and IL-10Rβ in IL-28A-induced angiogenic responses was evaluated using PCR and siRNA knockdown. Animal studies were conducted by aortic ring ex vivo assays, Matrigel plug in vivo assays, and immunochemistry using HSP70-1 knockout and transgenic mice models. The efficacy of IL-28A in angiogenesis was confirmed in a hind-limb ischemia model. RESULTS Autocrine/paracrine actions in HUVECs regulated IL-28A protein expression. Exogenous IL-28A increased the proliferation of HUVECs via eNOS/AKT and ERK1/2 signaling. IL-28A treatment promoted migration, invasion, and capillary tube formation of HUVECs through induction of the AP-1/NF-κB/MMP-2 network, which was associated with eNOS/AKT and ERK1/2 signaling. The efficacy of IL-28A-induced angiogenic potential was confirmed by aortic ring and Matrigel plug assay. HSP70-1 was identified as an IL-28A-mediated angiogenic effector gene using bioinformatics. Knockdown of HSP70-1 abolished angiogenic responses and eNOS/AKT signaling in IL-28A-treated HUVECs. IL-28A-induced microvessel sprouting formation was testified in HSP70-1-deficient and HSP70-1 transgenic mice. Flow recovery in hind-limb ischemia mice was accelerated by IL-28A injection. Finally, ablation of the IL-10Rβ gene impeded the angiogenic responses and eNOS/AKT signaling stimulated by IL-28A in HUVECs. CONCLUSION HSP70-1 drives the progression of angiogenesis by the IL-28A/IL-10Rβ axis via eNOS/AKT signaling and the AP-1/NF-κB/MMP-2 network.
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Affiliation(s)
- Jun-Hui Song
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea
| | - Byungdoo Hwang
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea
| | - Sung Lyea Park
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea
| | - Hoon Kim
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea
| | - Soontag Jung
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea
| | - Changsun Choi
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea
| | - Hwan Myung Lee
- Department of Cosmetic Science, Hoseo University, Asan-si 31499, Republic of Korea
| | - Seok-Joong Yun
- Personalized Tumor Engineering Research Center, Department of Urology, Chungbuk National University, Cheongju, Chungbuk 361-763, South Korea
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dongeui University, Busan 614-052, South Korea
| | - Eun-Jong Cha
- Department of Biomedical Engineering, Chungbuk National University, Cheongju 361-763, Korea
| | - Cam Patterson
- University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Wun-Jae Kim
- Personalized Tumor Engineering Research Center, Department of Urology, Chungbuk National University, Cheongju, Chungbuk 361-763, South Korea; Institute of Urotech, Cheongju, Chungcheongbuk-do 361-763, Korea
| | - Sung-Kwon Moon
- Department of Food and Nutrition, Chung-Ang University, Anseong 456-756, Korea.
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Solstad AD, Denz PJ, Kenney AD, Mahfooz NS, Speaks S, Gong Q, Robinson RT, Long ME, Forero A, Yount JS, Hemann EA. IFN-λ uniquely promotes CD8 T cell immunity against SARS-CoV-2 relative to type I IFN. JCI Insight 2024; 9:e171830. [PMID: 38973611 PMCID: PMC11383353 DOI: 10.1172/jci.insight.171830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 05/15/2024] [Indexed: 07/09/2024] Open
Abstract
Optimization of protective immune responses against SARS-CoV-2 remains an urgent worldwide priority. In this regard, type III IFN (IFN-λ) restricts SARS-CoV-2 infection in vitro, and treatment with IFN-λ limits infection, inflammation, and pathogenesis in murine models. Furthermore, IFN-λ has been developed for clinical use to limit COVID-19 severity. However, whether endogenous IFN-λ signaling has an effect on SARS-CoV-2 antiviral immunity and long-term immune protection in vivo is unknown. In this study, we identified a requirement for IFN-λ signaling in promoting viral clearance and protective immune programming in SARS-CoV-2 infection of mice. Expression of both IFN and IFN-stimulated gene (ISG) in the lungs were minimally affected by the absence of IFN-λ signaling and correlated with transient increases in viral titers. We found that IFN-λ supported the generation of protective CD8 T cell responses against SARS-CoV-2 by facilitating accumulation of CD103+ DC in lung draining lymph nodes (dLN). IFN-λ signaling specifically in DCs promoted the upregulation of costimulatory molecules and the proliferation of CD8 T cells. Intriguingly, antigen-specific CD8 T cell immunity to SARS-CoV-2 was independent of type I IFN signaling, revealing a nonredundant function of IFN-λ. Overall, these studies demonstrate a critical role for IFN-λ in protective innate and adaptive immunity upon infection with SARS-CoV-2 and suggest that IFN-λ serves as an immune adjuvant to support CD8 T cell immunity.
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Affiliation(s)
- Abigail D Solstad
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
| | - Parker J Denz
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
| | - Adam D Kenney
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
| | - Najmus S Mahfooz
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
| | - Samuel Speaks
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Qiaoke Gong
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Richard T Robinson
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
| | - Matthew E Long
- Dorothy M. Davis Heart and Lung Research Institute and
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Adriana Forero
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
- Dorothy M. Davis Heart and Lung Research Institute and
| | - Jacob S Yount
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
| | - Emily A Hemann
- Department of Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, Ohio, USA
- Infectious Diseases Institute, The Ohio State University, Columbus, Ohio, USA
- Dorothy M. Davis Heart and Lung Research Institute and
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Kalugotla G, Marmerstein V, Baldridge MT. Regulation of host/pathogen interactions in the gastrointestinal tract by type I and III interferons. Curr Opin Immunol 2024; 87:102425. [PMID: 38763032 PMCID: PMC11162908 DOI: 10.1016/j.coi.2024.102425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 02/01/2024] [Accepted: 05/06/2024] [Indexed: 05/21/2024]
Abstract
Interferons (IFNs) are an integral component of the host innate immune response during viral infection. Recent advances in the study of type I and III IFNs suggest that though both types counteract viral infection, type III IFNs act predominantly at epithelial barrier sites, while type I IFNs drive systemic responses. The dynamics and specific roles of type I versus III IFNs have been studied in the context of infection by a variety of enteric pathogens, including reovirus, rotavirus, norovirus, astrovirus, and intestinal severe acute respiratory syndrome coronavirus 2, revealing shared patterns of regulatory influence. An important role for the gut microbiota, including the virome, in regulating homeostasis and priming of intestinal IFN responses has also recently emerged.
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Affiliation(s)
- Gowri Kalugotla
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Vivien Marmerstein
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Megan T Baldridge
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA; Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
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Pereira LA, Lapinscki BA, Santos JS, Debur MC, Petterle RR, Nogueira MB, Vidal LRR, De Almeida SM, Raboni SM. Influenza A infections: predictors of disease severity. Braz J Microbiol 2024; 55:75-86. [PMID: 38049661 PMCID: PMC10920610 DOI: 10.1007/s42770-023-01186-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 11/14/2023] [Indexed: 12/06/2023] Open
Abstract
Influenza affects approximately 10% of the world's population annually. It is associated with high morbidity and mortality rates due to its propensity to progress to severe acute respiratory infection, leading to 10-40% of hospitalized patients needing intensive care. Characterizing the multifactorial predictors of poor prognosis is essential for developing strategies against this disease. This study aimed to identify predictors of disease severity in influenza A-infected (IFA-infected) patients and to propose a prognostic score. A retrospective cross-sectional study was conducted with 142 IFA-infected out- and inpatients treated at a tertiary hospital between 2010 and 2018. The viral subtypes, hemagglutinin mutations, viral load, IL-28B SNPs, and clinical risk factors were evaluated according to the patient's ICU admission. Multivariate analysis identified the following risk factors for disease severity: neuromuscular diseases (OR = 7.02; 95% CI = 1.18-41.75; p = 0.032), cardiovascular diseases (OR = 5.47; 95% CI = 1.96-15.27; p = 0.001), subtype (H1N1) pdm09 infection (OR = 2.29; 95% CI = 1.02-5.15; p = 0.046), and viral load (OR = 1.43; 95% CI = 1.09-1.88; p = 0.009). The prognosis score for ICU admission is based on these predictors of severity presented and ROC curve AUC = 0.812 (p < 0.0001). Our results identified viral and host predictors of disease severity in IFA-infected patients, yielding a prognostic score that had a high performance in predicting the IFA patients' ICU admission and better results than a viral load value alone. However, its implementation in health services needs to be validated in a broader population.
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Affiliation(s)
- L A Pereira
- Graduate Program in Internal Medicine and Health Science, Federal University of Paraná, Curitiba, 82060-240, Brazil
| | - B A Lapinscki
- Graduate Program in Internal Medicine and Health Science, Federal University of Paraná, Curitiba, 82060-240, Brazil
| | - J S Santos
- Public Health Laboratory (LACEN-PR), Curitiba, Brazil
| | - M C Debur
- Public Health Laboratory (LACEN-PR), Curitiba, Brazil
| | - R R Petterle
- Medical School, Sector of Health Sciences, Federal University of Paraná, Curitiba, 82060-240, Brazil
| | - M B Nogueira
- Clinical Analysis Department, Federal University of Parana, Curitiba, 82060-240, Brazil
| | - L R R Vidal
- Virology Laboratory, Federal University of Paraná, Curitiba, 82060-240, Brazil
- Virology Laboratory, Complexo Hospital de Clínicas, Federal University of Paraná, Curitiba, 82060-240, Brazil
| | - S M De Almeida
- Department of Medical Pathology, Federal University of Paraná, Curitiba, 82060-240, Brazil
| | - S M Raboni
- Virology Laboratory, Complexo Hospital de Clínicas, Federal University of Paraná, Curitiba, 82060-240, Brazil.
- Division of Infectious Diseases, Federal University of Paraná, Curitiba, 82060-240, Brazil.
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5
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Chio CC, Chan HW, Chen SH, Huang HI. Enterovirus D68 vRNA induces type III IFN production via MDA5. Virus Res 2024; 339:199284. [PMID: 38040125 PMCID: PMC10704515 DOI: 10.1016/j.virusres.2023.199284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 11/19/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
Enterovirus D68 (EV-D68) primarily spreads through the respiratory tract and causes respiratory symptoms in children and acute flaccid myelitis (AFM). Type III interferons (IFNs) play a critical role in inhibiting viral growth in respiratory epithelial cells. However, the mechanism by which EV-D68 induces type III IFN production is not yet fully understood. In this study, we show that EV-D68 infection stimulates Calu-3 cells to secrete IFN-λ. The transfection of EV-D68 viral RNA (vRNA) stimulated IFN-λ via MDA5. Furthermore, our findings provide evidence that EV-D68 infection also induces MDA5-IRF3/IRF7-mediated IFN-λ. In addition, we discovered that EV-D68 infection downregulated MDA5 expression. Knockdown of MDA5 increased EV-D68 replication in Calu-3 cells. Finally, we demonstrated that the IFN-λ1 and IFN-λ2/3 proteins effectively inhibit EV-D68 infection in respiratory epithelial cells. In summary, our study shows that EV-D68 induces type III IFN production via the activated MDA5-IRF3/IRF7 pathway and that type III IFNs inhibit EV-D68 replication in Calu-3 cells.
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Affiliation(s)
- Chi-Chong Chio
- Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan; Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Hio-Wai Chan
- Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan; Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Shih-Hsiang Chen
- Division of Pediatric Hematology/Oncology, Linkou Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan; College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Hsing-I Huang
- Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan; Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan; Department of Pediatrics, Linkou Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan.
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6
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Novotny LA, Evans JG, Guo H, Kappler CS, Meissner EG. Interferon lambda receptor-1 isoforms differentially influence gene expression and HBV replication in stem cell-derived hepatocytes. Antiviral Res 2024; 221:105779. [PMID: 38070830 PMCID: PMC10872352 DOI: 10.1016/j.antiviral.2023.105779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/02/2023] [Accepted: 12/04/2023] [Indexed: 12/28/2023]
Abstract
BACKGROUND In the tolerogenic liver, inadequate or ineffective interferon signaling fails to clear chronic HBV infection. Lambda IFNs (IFNL) bind the interferon lambda receptor-1 (IFNLR1) which dimerizes with IL10RB to induce transcription of antiviral interferon-stimulated genes (ISG). IFNLR1 is expressed on hepatocytes, but low expression may limit the strength and antiviral efficacy of IFNL signaling. Three IFNLR1 transcriptional variants are detected in hepatocytes whose role in regulation of IFNL signaling is unclear: a full-length and signaling-capable form (isoform 1), a form that lacks a portion of the intracellular JAK1 binding domain (isoform 2), and a secreted form (isoform 3), the latter two predicted to be signaling defective. We hypothesized that altering expression of IFNLR1 isoforms would differentially impact the hepatocellular response to IFNLs and HBV replication. METHODS Induced pluripotent stem-cell derived hepatocytes (iHeps) engineered to contain FLAG-tagged, doxycycline-inducible IFNLR1 isoform constructs were HBV-infected then treated with IFNL3 followed by assessment of gene expression, HBV replication, and cellular viability. RESULTS Minimal overexpression of IFNLR1 isoform 1 markedly augmented ISG expression, induced de novo proinflammatory gene expression, and enhanced inhibition of HBV replication after IFNL treatment without adversely affecting cell viability. In contrast, overexpression of IFNLR1 isoform 2 or 3 partially augmented IFNL-induced ISG expression but did not support proinflammatory gene expression and minimally impacted HBV replication. CONCLUSIONS IFNLR1 isoforms differentially influence IFNL-induced gene expression and HBV replication in hepatocytes. Regulated IFNLR1 expression in vivo could limit the capacity of this pathway to counteract HBV replication.
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Affiliation(s)
- Laura A Novotny
- Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - J Grayson Evans
- Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Haitao Guo
- Department of Microbiology and Molecular Genetics, Cancer Virology Program, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Christiana S Kappler
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC, USA
| | - Eric G Meissner
- Division of Infectious Diseases, Department of Medicine, Medical University of South Carolina, Charleston, SC, USA; Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA.
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Angelim CC, Martins LD, Andrade ÁAF, Moreira FC, Guerreiro JF, de Assumpção PP, dos Santos SEB, Costa GDLC. Variants of IFNL4 Gene in Amazonian and Northern Brazilian Populations. Genes (Basel) 2023; 14:2075. [PMID: 38003018 PMCID: PMC10671175 DOI: 10.3390/genes14112075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/18/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
Since the discovery of the polymorphic nature of the IFNL4 gene, its variants have been investigated and associated with several viral diseases, with an emphasis on hepatitis C. However, the impacts of these variants on mixed-race and native populations in the northern region of Brazil are scarce. We investigated three variants of the IFNL4 gene in populations from this location, which were among the 14 most frequent variants in worldwide populations, and compared the frequencies obtained to populational data from the 1000 Genomes Project, gnomAD and ABraOM databases. Our results demonstrate that mixed-race and native populations from the northern region of Brazil present frequencies like those of European and Asian groups for the rs74597329 and rs11322783 variants, and like all populations presented for the rs4803221 variant. These data reinforce the role of world populations in shaping the genetic profile of Brazilian populations, indicate patterns of illness according to the expressed genotype, and infer an individual predisposition to certain diseases.
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Affiliation(s)
- Carolina Cabral Angelim
- Programa de Pós-Graduação em Agentes Infecciosos e Parasitários, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (C.C.A.); (L.D.M.); (Á.A.F.A.); (S.E.B.d.S.)
| | - Letícia Dias Martins
- Programa de Pós-Graduação em Agentes Infecciosos e Parasitários, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (C.C.A.); (L.D.M.); (Á.A.F.A.); (S.E.B.d.S.)
- Programa de Pós-Graduação em Virologia, Instituto Evandro Chagas, Ananindeua 67030-000, PA, Brazil
| | - Álesson Adam Fonseca Andrade
- Programa de Pós-Graduação em Agentes Infecciosos e Parasitários, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (C.C.A.); (L.D.M.); (Á.A.F.A.); (S.E.B.d.S.)
| | - Fabiano Cordeiro Moreira
- Programa de Pós-Graduação em Genética e Biologia Molecular, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (F.C.M.); (J.F.G.)
- Núcleo de Pesquisa em Oncologia, Federal University of Pará, Belém 66073-000, PA, Brazil;
| | - João Farias Guerreiro
- Programa de Pós-Graduação em Genética e Biologia Molecular, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (F.C.M.); (J.F.G.)
| | | | - Sidney Emanuel Batista dos Santos
- Programa de Pós-Graduação em Agentes Infecciosos e Parasitários, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (C.C.A.); (L.D.M.); (Á.A.F.A.); (S.E.B.d.S.)
- Programa de Pós-Graduação em Genética e Biologia Molecular, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (F.C.M.); (J.F.G.)
| | - Greice de Lemos Cardoso Costa
- Programa de Pós-Graduação em Agentes Infecciosos e Parasitários, Laboratório de Genética Humana e Médica, Federal University of Pará, Belém 66073-000, PA, Brazil; (C.C.A.); (L.D.M.); (Á.A.F.A.); (S.E.B.d.S.)
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Burkart SS, Schweinoch D, Frankish J, Sparn C, Wüst S, Urban C, Merlo M, Magalhães VG, Piras A, Pichlmair A, Willemsen J, Kaderali L, Binder M. High-resolution kinetic characterization of the RIG-I-signaling pathway and the antiviral response. Life Sci Alliance 2023; 6:e202302059. [PMID: 37558422 PMCID: PMC10412806 DOI: 10.26508/lsa.202302059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/24/2023] [Accepted: 07/27/2023] [Indexed: 08/11/2023] Open
Abstract
RIG-I recognizes viral dsRNA and activates a cell-autonomous antiviral response. Upon stimulation, it triggers a signaling cascade leading to the production of type I and III IFNs. IFNs are secreted and signal to elicit the expression of IFN-stimulated genes, establishing an antiviral state of the cell. The topology of this pathway has been studied intensively, however, its exact dynamics are less understood. Here, we employed electroporation to synchronously activate RIG-I, enabling us to characterize cell-intrinsic innate immune signaling at a high temporal resolution. Employing IFNAR1/IFNLR-deficient cells, we could differentiate primary RIG-I signaling from secondary signaling downstream of the IFN receptors. Based on these data, we developed a comprehensive mathematical model capable of simulating signaling downstream of dsRNA recognition by RIG-I and the feedback and signal amplification by IFN. We further investigated the impact of viral antagonists on signaling dynamics. Our work provides a comprehensive insight into the signaling events that occur early upon virus infection and opens new avenues to study and disentangle the complexity of the host-virus interface.
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Affiliation(s)
- Sandy S Burkart
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Darius Schweinoch
- Institute of Bioinformatics & Center for Functional Genomics of Microbes, University Medicine Greifswald, Greifswald, Germany
| | - Jamie Frankish
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Carola Sparn
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Sandra Wüst
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
| | - Christian Urban
- Technical University of Munich, School of Medicine, Institute of Virology, Munich, Germany
| | - Marta Merlo
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - Vladimir G Magalhães
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
| | - Antonio Piras
- Technical University of Munich, School of Medicine, Institute of Virology, Munich, Germany
| | - Andreas Pichlmair
- Technical University of Munich, School of Medicine, Institute of Virology, Munich, Germany
- German Center for Infection Research (DZIF), Munich Partner Site, Munich, Germany
| | - Joschka Willemsen
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
| | - Lars Kaderali
- Institute of Bioinformatics & Center for Functional Genomics of Microbes, University Medicine Greifswald, Greifswald, Germany
| | - Marco Binder
- Research Group "Dynamics of Early Viral Infection and the Innate Antiviral Response", Division Virus-Associated Carcinogenesis (F170), German Cancer Research Center, Heidelberg, Germany
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9
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Cao L, Qian W, Li W, Ma Z, Xie S. Type III interferon exerts thymic stromal lymphopoietin in mediating adaptive antiviral immune response. Front Immunol 2023; 14:1250541. [PMID: 37809098 PMCID: PMC10556530 DOI: 10.3389/fimmu.2023.1250541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/07/2023] [Indexed: 10/10/2023] Open
Abstract
Previously, it was believed that type III interferon (IFN-III) has functions similar to those of type I interferon (IFN-I). However, recently, emerging findings have increasingly indicated the non-redundant role of IFN-III in innate antiviral immune responses. Still, the regulatory activity of IFN-III in adaptive immune response has not been clearly reported yet due to the low expression of IFN-III receptors on most immune cells. In the present study, we reviewed the adjuvant, antiviral, antitumor, and disease-moderating activities of IFN-III in adaptive immunity; moreover, we further elucidated the mechanisms of IFN-III in mediating the adaptive antiviral immune response in a thymic stromal lymphopoietin (TSLP)-dependent manner, a pleiotropic cytokine involved in mucosal adaptive immunity. Research has shown that IFN-III can enhance the antiviral immunogenic response in mouse species by activating germinal center B (GC B) cell responses after stimulating TSLP production by microfold (M) cells, while in human species, TSLP exerts OX40L for regulating GC B cell immune responses, which may also depend on IFN-III. In conclusion, our review highlights the unique role of the IFN-III/TSLP axis in mediating host adaptive immunity, which is mechanically different from IFN-I. Therefore, the IFN-III/TSLP axis may provide novel insights for clinical immunotherapy.
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Affiliation(s)
- Luhong Cao
- Department of Otolaryngology Head and Neck Surgery Surgery, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Weiwei Qian
- Department of Emergency Medicine, Laboratory of Emergency Medicine, West China Hospital, and Disaster Medical Center, Sichuan University, Chengdu, Sichuan, China
| | - Wanlin Li
- National Clinical Research Center for Infectious Disease, Shenzhen Third People’s Hospital, Shenzhen, China
| | - Zhiyue Ma
- Department of Otolaryngology Head and Neck Surgery Surgery, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Shenglong Xie
- Department of Thoracic Surgery, Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, China
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10
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Johnson D, Carbonetti N. Roles and Effects of Interferon Lambda Signaling in the Context of Bacterial Infections. J Interferon Cytokine Res 2023; 43:363-369. [PMID: 37289801 PMCID: PMC10517327 DOI: 10.1089/jir.2023.0037] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 04/28/2023] [Indexed: 06/10/2023] Open
Abstract
Type III interferon, or interferon lambda (IFNλ), was discovered 20 years ago and has been studied primarily for its role in combatting viral infections. However, it is also induced in response to certain bacterial infections but its roles and effects in this context are relatively poorly understood. In this mini review, we discuss the roles of IFNλ signaling in bacterial infections, highlighting its deleterious or protective effects for different infections. We also discuss a couple of recent studies showing that some bacteria possess defense mechanisms against the effects of IFNλ. We hope that this review will spur further investigation into the roles of IFNλ in the context of bacterial infections and will promote considerations of its therapeutic potential for these infections.
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Affiliation(s)
- Da'Kuawn Johnson
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Nicholas Carbonetti
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA
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11
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Xia Y, Yang Q, Wu SY, Wu Z, Li Q, Du J. Interferon lambda modulates proinflammatory cytokines production in PBMCs from patients with chronic kidney disease. Hum Immunol 2023; 84:464-470. [PMID: 37394297 DOI: 10.1016/j.humimm.2023.06.001] [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: 12/27/2022] [Revised: 06/06/2023] [Accepted: 06/06/2023] [Indexed: 07/04/2023]
Abstract
BACKGROUND CKD is a major cause of morbidity and mortality worldwide. Considerable evidence now indicates that renal inflammation plays a central role in the initiation and progression of CKD. Recent investigations have demonstrated that IFNλ plays an important role in the pathogenesis of autoimmune and inflammatory diseases. However, the association of IFNλ with CKD is still poorly understood. OBJECTIVE To analyze the correlation between IFNλ levels and pro-inflammatory cytokines, and to investigate the effect of IFNλ on PBMCs in patients with CKD. METHODS PBMCs were harvested from patients with CKD and healthy controls for measuring the expression level of inflammatory cytokines by RT-qPCR. Spearman correlation test was used to analyze correlation between IFNλ and cytokines as well as eGFR. PBMCs from healthy individuals and CKD patients were subjected to IFNλ protein stimulation. IL6, TNFα, IL10, ISG15 and MX1 mRNA level were measured by RT-PCR, STAT1 and phosphorylated STAT1 protein level were measured by Western blot. RESULTS Patients with CKD showed higher levels of IFNλ in PBMCs compared to healthy controls. IFNλ mRNA levels were associated with cytokines and eGFR. The transcription of IL6, TNFα, and IL10 was significantly increased in healthy human PBMCs after IFNλ stimulation. In addition, IFNλ acts on PBMCs by p-STAT1 and ISG15 as well as MX1. CONCLUSION High expression of IFNλ was found in CKD patients and was associated with eGFR and disease-related cytokines. More importantly, IFNλ promoted the expression of pro-inflammatory cytokines in PBMCs, suggesting a potential pro-inflammatory role of IFNλ in CKD.
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Affiliation(s)
- Yuhao Xia
- Weifang Medical University, Shandong, China; Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China.
| | - Qiannan Yang
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China.
| | - Shang Ying Wu
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China.
| | - Zhicheng Wu
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China.
| | - Qian Li
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China.
| | - Jing Du
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China.
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12
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Roca Suarez AA, Batbold E, Bartosch B, Dashdorj N, Testoni B, Zoulim F. Emerging anti-HDV drugs and HBV cure strategies with anti-HDV activity. Liver Int 2023; 43 Suppl 1:87-95. [PMID: 37017060 DOI: 10.1111/liv.15417] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/25/2022] [Accepted: 09/05/2022] [Indexed: 04/06/2023]
Abstract
Hepatitis delta virus (HDV) is a satellite RNA virus that requires the presence of hepatitis B virus (HBV) for its replication. HDV/HBV co-infection is often associated with a faster disease progression of chronic hepatitis in comparison to HBV mono-infection. Therefore, the development of novel antiviral therapies targeting HDV represents a high priority and an urgent medical need. In this review, we summarize the ongoing efforts to evaluate promising HDV-specific drugs, such as lonafarnib (LNF), pegylated interferon lambda (PEG-IFN-λ) and their use as a combination therapy. Furthermore, we review the most recent developments in the area of anti-HBV drugs with potential effects against HDV, including therapeutic agents targeting hepatitis B surface antigen (HBsAg) expression, secretion and function. Finally, we consider the important insights that have emerged from the development of these potential antiviral strategies, as well as the intriguing questions that remain to be elucidated in this rapidly changing field.
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Affiliation(s)
- Armando A Roca Suarez
- INSERM U1052, CNRS UMR-5286, Cancer Research Center of Lyon (CRCL), Lyon, France
- University of Lyon, Université Claude-Bernard (UCBL), Lyon, France
| | | | - Birke Bartosch
- INSERM U1052, CNRS UMR-5286, Cancer Research Center of Lyon (CRCL), Lyon, France
- University of Lyon, Université Claude-Bernard (UCBL), Lyon, France
| | | | - Barbara Testoni
- INSERM U1052, CNRS UMR-5286, Cancer Research Center of Lyon (CRCL), Lyon, France
- University of Lyon, Université Claude-Bernard (UCBL), Lyon, France
| | - Fabien Zoulim
- INSERM U1052, CNRS UMR-5286, Cancer Research Center of Lyon (CRCL), Lyon, France
- University of Lyon, Université Claude-Bernard (UCBL), Lyon, France
- Hospices Civils de Lyon (HCL), Lyon, France
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13
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Joseph J, Premeaux TA, Pinto DO, Rao A, Guha S, Panfil AR, Carey AJ, Ndhlovu LC, Bergmann‐Leitner ES, Jain P. Retroviral b-Zip protein (HBZ) contributes to the release of soluble and exosomal immune checkpoint molecules in the context of neuroinflammation. JOURNAL OF EXTRACELLULAR BIOLOGY 2023; 2:e102. [PMID: 37547182 PMCID: PMC10399615 DOI: 10.1002/jex2.102] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 06/13/2023] [Accepted: 07/01/2023] [Indexed: 08/08/2023]
Abstract
HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a chronic, progressive, neuroinflammatory demyelinating condition of the spinal cord. We have previously shown that aberrant expression and activity of immune checkpoint (ICP) molecules such as PD-1 and PD-L1/PD-L2, negatively associates with the cytolytic potential of T cells in individuals with HAM/TSP. Interestingly, ICPs can exist in a soluble cell-free form and can be carried on extracellular vesicles (EVs) and exosomes (small EVs, <300nm) while maintaining their immunomodulatory activity. Therefore, we investigated the role of soluble and exosomal ICPs in HTLV-1 associated neuroinflammation. For the very first time, we demonstrate a unique elevated presence of several stimulatory (CD27, CD28, 4-1BB) and inhibitory (BTLA, CTLA-4, LAG-3, PD-1, PD-L2) ICP receptors in HAM/TSP sera, and in purified exosomes from a HAM/TSP-derived HTLV-1-producing (OSP2) cells. These ICPs were found to be co-localized with the endosomal sorting complex required for transport (ESCRT) pathway proteins and exhibited functional binding with their respective ligands. Viral proteins and cytokines (primarily IFNγ) were found to be present in purified exosomes. IFNγ exposure enhanced the release of ICP molecules while antiretroviral drugs (Azidothymidine and Lopinavir) significantly inhibited this process. HTLV-1 b-Zip protein (HBZ) has been linked to factors that enhance EV release and concurrent knockdown here led to the reduced expression of ESCRT associated genes (eg. Hrs, Vsp4, Alix, Tsg101) as well as abrogated the release of ICP molecules, suggesting HBZ involvement in this process. Moreso, exosomes from OSP2 cells adversely affected CD8 T-cell functions by dimishing levels of cytokines and cytotoxic factors. Collectively, these findings highlight exosome-mediated immunmodulation of T-cell functions with HBZ and ESCRT pathways as an underlying mechanism in the context of HTLV-1-induced neuroinflammation.
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Affiliation(s)
- Julie Joseph
- Department of Microbiology & ImmunologyDrexel University College of MedicinePhiladelphiaPAUSA
| | - Thomas A. Premeaux
- Weill Cornel Medicine Department of MedicineDivision of Infectious DiseasesNew YorkNYUSA
| | - Daniel O. Pinto
- Immunology Core, Biologics Research and DevelopmentWalter Reed Army Institute of ResearchSilver SpringsMDUSA
- Oak Ridge Institute for Science and EducationOak RidgeTNUSA
| | - Abhishek Rao
- Department of Microbiology & ImmunologyDrexel University College of MedicinePhiladelphiaPAUSA
| | - Shrobona Guha
- Department of Neurobiology and AnatomyDrexel University College of MedicinePhiladelphiaPAUSA
| | - Amanda R. Panfil
- The Ohio State University, College of Veterinary Medicine, Center for Retrovirus ResearchColumbusOhioUSA
| | - Alison J. Carey
- Department of Microbiology & ImmunologyDrexel University College of MedicinePhiladelphiaPAUSA
- Department of PediatricsDrexel University College of MedicinePhiladelphiaPAUSA
| | - Lishomwa C. Ndhlovu
- Weill Cornel Medicine Department of MedicineDivision of Infectious DiseasesNew YorkNYUSA
| | - Elke S. Bergmann‐Leitner
- Immunology Core, Biologics Research and DevelopmentWalter Reed Army Institute of ResearchSilver SpringsMDUSA
| | - Pooja Jain
- Department of Microbiology & ImmunologyDrexel University College of MedicinePhiladelphiaPAUSA
- Department of Neurobiology and AnatomyDrexel University College of MedicinePhiladelphiaPAUSA
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14
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Sacchi A, Giannessi F, Sabatini A, Percario ZA, Affabris E. SARS-CoV-2 Evasion of the Interferon System: Can We Restore Its Effectiveness? Int J Mol Sci 2023; 24:ijms24119353. [PMID: 37298304 DOI: 10.3390/ijms24119353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/12/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Type I and III Interferons (IFNs) are the first lines of defense in microbial infections. They critically block early animal virus infection, replication, spread, and tropism to promote the adaptive immune response. Type I IFNs induce a systemic response that impacts nearly every cell in the host, while type III IFNs' susceptibility is restricted to anatomic barriers and selected immune cells. Both IFN types are critical cytokines for the antiviral response against epithelium-tropic viruses being effectors of innate immunity and regulators of the development of the adaptive immune response. Indeed, the innate antiviral immune response is essential to limit virus replication at the early stages of infection, thus reducing viral spread and pathogenesis. However, many animal viruses have evolved strategies to evade the antiviral immune response. The Coronaviridae are viruses with the largest genome among the RNA viruses. Severe Acute Respiratory Syndrome-Coronavirus-2 (SARS-CoV-2) caused the coronavirus disease 2019 (COVID-19) pandemic. The virus has evolved numerous strategies to contrast the IFN system immunity. We intend to describe the virus-mediated evasion of the IFN responses by going through the main phases: First, the molecular mechanisms involved; second, the role of the genetic background of IFN production during SARS-CoV-2 infection; and third, the potential novel approaches to contrast viral pathogenesis by restoring endogenous type I and III IFNs production and sensitivity at the sites of infection.
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Affiliation(s)
- Alessandra Sacchi
- Laboratory of Molecular Virology and Antimicrobial Immunity, Department of Science, Roma Tre University, 00146 Rome, Italy
| | - Flavia Giannessi
- Laboratory of Molecular Virology and Antimicrobial Immunity, Department of Science, Roma Tre University, 00146 Rome, Italy
| | - Andrea Sabatini
- Laboratory of Molecular Virology and Antimicrobial Immunity, Department of Science, Roma Tre University, 00146 Rome, Italy
| | - Zulema Antonia Percario
- Laboratory of Molecular Virology and Antimicrobial Immunity, Department of Science, Roma Tre University, 00146 Rome, Italy
| | - Elisabetta Affabris
- Laboratory of Molecular Virology and Antimicrobial Immunity, Department of Science, Roma Tre University, 00146 Rome, Italy
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15
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LaPointe A, Gale M, Kell AM. Orthohantavirus Replication in the Context of Innate Immunity. Viruses 2023; 15:1130. [PMID: 37243216 PMCID: PMC10220641 DOI: 10.3390/v15051130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/05/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
Orthohantaviruses are rodent-borne, negative-sense RNA viruses that are capable of causing severe vascular disease in humans. Over the course of viral evolution, these viruses have tailored their replication cycles in such a way as to avoid and/or antagonize host innate immune responses. In the rodent reservoir, this results in life long asymptomatic infections. However, in hosts other than its co-evolved reservoir, the mechanisms for subduing the innate immune response may be less efficient or absent, potentially leading to disease and/or viral clearance. In the case of human orthohantavirus infection, the interaction of the innate immune response with viral replication is thought to give rise to severe vascular disease. The orthohantavirus field has made significant advancements in understanding how these viruses replicate and interact with host innate immune responses since their identification by Dr. Ho Wang Lee and colleagues in 1976. Therefore, the purpose of this review, as part of this special issue dedicated to Dr. Lee, was to summarize the current knowledge of orthohantavirus replication, how viral replication activates innate immunity, and how the host antiviral response, in turn, impacts viral replication.
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Affiliation(s)
- Autumn LaPointe
- Department of Molecular Genetics and Microbiology, University of New Mexico, 915 Camino de Salud NE, Albuquerque, NM 87131, USA
| | - Michael Gale
- Department of Immunology, Center for Innate Immunity and Immune Disease, University of Washington, Seattle, WA 98109, USA
| | - Alison M. Kell
- Department of Molecular Genetics and Microbiology, University of New Mexico, 915 Camino de Salud NE, Albuquerque, NM 87131, USA
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16
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McCarthy MW. Interferon lambda as a potential treatment for COVID-19. Expert Opin Biol Ther 2023; 23:389-394. [PMID: 37147857 DOI: 10.1080/14712598.2023.2211709] [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: 05/07/2023]
Abstract
INTRODUCTION Pegylated interferon lambda substantially reduced the risk of COVID-19-related hospitalizations or emergency room visits in a recent phase 3, multi-center, randomized, double-blind, placebo-controlled study of high-risk, non-hospitalized adult patients with SARS-CoV-2 infection compared to treatment with placebo. AREAS COVERED Interferons are a family of signaling molecules produced as part of the innate immune response to viral infections. The administration of exogenous interferon may limit disease progression in patients with COVID-19. EXPERT OPINION Interferons have been used to treat viral infections, including hepatitis B and hepatitis C, and malignancies such as non-Hodgkin's lymphoma, as well as the autoimmune condition multiple sclerosis. This manuscript examines what is known about the role of interferon lambda in the treatment of COVID-19, including potential limitations, and explores how this approach may be used in the future.
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17
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Toussi SS, Hammond JL, Gerstenberger BS, Anderson AS. Therapeutics for COVID-19. Nat Microbiol 2023; 8:771-786. [PMID: 37142688 DOI: 10.1038/s41564-023-01356-4] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 03/09/2023] [Indexed: 05/06/2023]
Abstract
Vaccines and monoclonal antibody treatments to prevent severe coronavirus disease 2019 (COVID-19) illness were available within a year of the pandemic being declared but there remained an urgent need for therapeutics to treat patients who were not vaccinated, were immunocompromised or whose vaccine immunity had waned. Initial results for investigational therapies were mixed. AT-527, a repurposed nucleoside inhibitor for hepatitis C virus, enabled viral load reduction in a hospitalized cohort but did not reduce viral load in outpatients. The nucleoside inhibitor molnupiravir prevented death but failed to prevent hospitalization. Nirmatrelvir, an inhibitor of the main protease (Mpro), co-dosed with the pharmacokinetic booster ritonavir, reduced hospitalization and death. Nirmatrelvir-ritonavir and molnupiravir received an Emergency Use Authorization in the United States at the end of 2021. Immunomodulatory drugs such as baricitinib, tocilizumab and corticosteroid, which target host-driven COVID-19 symptoms, are also in use. We highlight the development of COVID-19 therapies and the challenges that remain for anticoronavirals.
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18
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Pan YY, Wang LC, Yang F, Yu M. Interferon-lambda: New role in intestinal symptoms of COVID-19. World J Gastroenterol 2023; 29:1942-1954. [PMID: 37155525 PMCID: PMC10122791 DOI: 10.3748/wjg.v29.i13.1942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/25/2022] [Accepted: 03/20/2023] [Indexed: 04/06/2023] Open
Abstract
The tremendous public health and economic impact of coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become a huge challenge globally. There is increasing evidence that SARS-CoV-2 induces intestinal infections. Type III interferon (IFN-λ) has an antiviral role in intestinal infection, with focused, long-lasting, and non-inflammatory characteristics. This review presents a summary of the structure of SARS-CoV-2, including its invasion and immune escape mechanisms. Emphasis was placed on the gastrointestinal impact of SARS-CoV-2, including changes to the intestinal microbiome, activation of immune cells, and inflammatory responses. We also describe the comprehensive functions of IFN-λ in anti-enteric SARS-CoV-2 infection, and discuss the potential application of IFN-λ as a therapeutic agent for COVID-19 with intestinal symptoms.
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Affiliation(s)
- Yi-Yang Pan
- Department of General Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, China
| | - Liu-Can Wang
- Department of General Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, China
| | - Feng Yang
- Department of General Surgery, Xinqiao Hospital, Army Medical University, Chongqing 400037, China
| | - Min Yu
- Department of General Surgery, Chongqing General Hospital, Chongqing 400013, China
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19
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Well-TEMP-seq as a microwell-based strategy for massively parallel profiling of single-cell temporal RNA dynamics. Nat Commun 2023; 14:1272. [PMID: 36882403 PMCID: PMC9992361 DOI: 10.1038/s41467-023-36902-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 02/21/2023] [Indexed: 03/09/2023] Open
Abstract
Single-cell RNA sequencing (scRNA-seq) reveals the transcriptional heterogeneity of cells, but the static snapshots fail to reveal the time-resolved dynamics of transcription. Herein, we develop Well-TEMP-seq, a high-throughput, cost-effective, accurate, and efficient method for massively parallel profiling the temporal dynamics of single-cell gene expression. Well-TEMP-seq combines metabolic RNA labeling with scRNA-seq method Well-paired-seq to distinguish newly transcribed RNAs marked by T-to-C substitutions from pre-existing RNAs in each of thousands of single cells. The Well-paired-seq chip ensures a high single cell/barcoded bead pairing rate (~80%) and the improved alkylation chemistry on beads greatly alleviates chemical conversion-induced cell loss (~67.5% recovery). We further apply Well-TEMP-seq to profile the transcriptional dynamics of colorectal cancer cells exposed to 5-AZA-CdR, a DNA-demethylating drug. Well-TEMP-seq unbiasedly captures the RNA dynamics and outperforms the splicing-based RNA velocity method. We anticipate that Well-TEMP-seq will be broadly applicable to unveil the dynamics of single-cell gene expression in diverse biological processes.
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Rovira Rubió J, Megremis S, Pasioti M, Lakoumentas J, Constantinides B, Xepapadaki P, Bachert C, Finotto S, Jartti T, Andreakos E, Stanic B, Akdis CA, Akdis M, Papadopoulos NG. Respiratory virome profiles reflect antiviral immune responses. Allergy 2023; 78:1258-1268. [PMID: 36595290 DOI: 10.1111/all.15634] [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: 08/02/2022] [Revised: 12/01/2022] [Accepted: 12/11/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND From early life, respiratory viruses are implicated in the development, exacerbation and persistence of respiratory conditions such as asthma. Complex dynamics between microbial communities and host immune responses shape immune maturation and homeostasis, influencing health outcomes. We evaluated the hypothesis that the respiratory virome is linked to systemic immune responses, using peripheral blood and nasopharyngeal swab samples from preschool-age children in the PreDicta cohort. METHODS Peripheral blood mononuclear cells from 51 children (32 asthmatics and 19 healthy controls) participating in the 2-year multinational PreDicta cohort were cultured with bacterial (Bacterial-DNA, LPS) or viral (R848, Poly:IC, RV) stimuli. Supernatants were analysed by Luminex for the presence of 22 relevant cytokines. Virome composition was obtained using untargeted high throughput sequencing of nasopharyngeal samples. The metagenomic data were used for the characterization of virome profiles and the presence of key viral families (Picornaviridae, Anelloviridae, Siphoviridae). These were correlated to cytokine secretion patterns, identified through hierarchical clustering and principal component analysis. RESULTS High spontaneous cytokine release was associated with increased presence of Prokaryotic virome profiles and reduced presence of Eukaryotic and Anellovirus profiles. Antibacterial responses did not correlate with specific viral families or virome profile; however, low antiviral responders had more Prokaryotic and less Eukaryotic virome profiles. Anelloviruses and Anellovirus-dominated profiles were equally distributed among immune response clusters. The presence of Picornaviridae and Siphoviridae was associated with low interferon-λ responses. Asthma or allergy did not modify these correlations. CONCLUSION Antiviral cytokine responses at a systemic level reflect the upper airway virome composition. Individuals with low innate interferon responses have higher abundance of Picornaviruses (mostly Rhinoviruses) and bacteriophages. Bacteriophages, particularly Siphoviridae, appear to be sensitive sensors of host antimicrobial capacity, while Anelloviruses are not correlated with TLR-induced immune responses.
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Affiliation(s)
- Judit Rovira Rubió
- Division of Infection, Immunity & Respiratory Medicine, University of Manchester, Manchester, UK
| | - Spyridon Megremis
- Division of Infection, Immunity & Respiratory Medicine, University of Manchester, Manchester, UK
| | - Maria Pasioti
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | - John Lakoumentas
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | - Bede Constantinides
- Nuffield Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Paraskevi Xepapadaki
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | - Claus Bachert
- Upper Airway Research Laboratory, Ghent University Hospital, Ghent, Belgium
| | - Susetta Finotto
- Department of Molecular Pneumology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Tuomas Jartti
- PEDEGO Research Unit, University of Oulu, Oulu, Finland.,Department of Pediatrics and Adolescent Medicine, University of Oulu, Oulu, Finland.,Department of Pediatrics and Adolescent Medicine, Turku University Hospital and University of Turku, Turku, Finland
| | | | - Barbara Stanic
- Swiss Institute of Allergy and Asthma Research (SIAF), University Zurich, Davos, Switzerland
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University Zurich, Davos, Switzerland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University Zurich, Davos, Switzerland
| | - Nikolaos G Papadopoulos
- Division of Infection, Immunity & Respiratory Medicine, University of Manchester, Manchester, UK.,Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
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21
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Lu M, Lee Y, Lillehoj HS. Evolution of developmental and comparative immunology in poultry: The regulators and the regulated. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 138:104525. [PMID: 36058383 DOI: 10.1016/j.dci.2022.104525] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 08/25/2022] [Accepted: 08/28/2022] [Indexed: 06/15/2023]
Abstract
Avian has a unique immune system that evolved in response to environmental pressures in all aspects of innate and adaptive immune responses, including localized and circulating lymphocytes, diversity of immunoglobulin repertoire, and various cytokines and chemokines. All of these attributes make birds an indispensable vertebrate model for studying the fundamental immunological concepts and comparative immunology. However, research on the immune system in birds lags far behind that of humans, mice, and other agricultural animal species, and limited immune tools have hindered the adequate application of birds as disease models for mammalian systems. An in-depth understanding of the avian immune system relies on the detailed studies of various regulated and regulatory mediators, such as cell surface antigens, cytokines, and chemokines. Here, we review current knowledge centered on the roles of avian cell surface antigens, cytokines, chemokines, and beyond. Moreover, we provide an update on recent progress in this rapidly developing field of study with respect to the availability of immune reagents that will facilitate the study of regulatory and regulated components of poultry immunity. The new information on avian immunity and available immune tools will benefit avian researchers and evolutionary biologists in conducting fundamental and applied research.
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Affiliation(s)
- Mingmin Lu
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, U.S. Department of Agriculture-Agricultural Research Service, Beltsville, MD, 20705, USA.
| | - Youngsub Lee
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, U.S. Department of Agriculture-Agricultural Research Service, Beltsville, MD, 20705, USA.
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, U.S. Department of Agriculture-Agricultural Research Service, Beltsville, MD, 20705, USA.
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22
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Comparative Analysis of In Vitro Models to Study Antibody-Dependent Enhancement of Zika Virus Infection. Viruses 2022; 14:v14122776. [PMID: 36560779 PMCID: PMC9781448 DOI: 10.3390/v14122776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/02/2022] [Accepted: 12/08/2022] [Indexed: 12/15/2022] Open
Abstract
During the 2015-2016 outbreak of Zika virus (ZIKV) in the Americas, a previously unknown severe complication of ZIKV infection during pregnancy resulting in birth defects was reported. Since the ZIKV outbreak occurred in regions that were highly endemic for the related dengue virus (DENV), it was speculated that antibody-dependent enhancement (ADE) of a ZIKV infection, caused by the presence of cross-reactive DENV antibodies, could contribute to ZIKV disease severity. Emerging evidence indicates that, while in vitro models can show ADE of ZIKV infection, ADE does not seem to contribute to congenital ZIKV disease severity in humans. However, the role of ADE of ZIKV infection during pregnancy and in vertical ZIKV transmission is not well studied. In this study, we hypothesized that pregnancy may affect the ability of myeloid cells to become infected with ZIKV, potentially through ADE. We first systematically assessed which cell lines and primary cells can be used to study ZIKV ADE in vitro, and we compared the difference in outcomes of (ADE) infection experiments between these cells. Subsequently, we tested the hypothesis that pregnancy may affect the ability of myeloid cells to become infected through ADE, by performing ZIKV ADE assays with primary cells isolated from blood of pregnant women from different trimesters and from age-matched non-pregnant women. We found that ADE of ZIKV infection can be induced in myeloid cell lines U937, THP-1, and K562 as well as in monocyte-derived macrophages from healthy donors. There was no difference in permissiveness for ZIKV infection or ADE potential of ZIKV infection in primary cells of pregnant women compared to non-pregnant women. In conclusion, no increased permissiveness for ZIKV infection and ADE of ZIKV infection was found using in vitro models of primary myeloid cells from pregnant women compared to age-matched non-pregnant women.
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Chai H, Gu Q, Robertson DL, Hughes J. Defining the characteristics of interferon-alpha-stimulated human genes: insight from expression data and machine learning. Gigascience 2022; 11:6833046. [PMID: 36399061 PMCID: PMC9673497 DOI: 10.1093/gigascience/giac103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 09/07/2022] [Accepted: 10/02/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND A virus-infected cell triggers a signalling cascade, resulting in the secretion of interferons (IFNs), which in turn induces the upregulation of the IFN-stimulated genes (ISGs) that play a role in antipathogen host defence. Here, we conducted analyses on large-scale data relating to evolutionary gene expression, sequence composition, and network properties to elucidate factors associated with the stimulation of human genes in response to IFN-α. RESULTS We find that ISGs are less evolutionary conserved than genes that are not significantly stimulated in IFN experiments (non-ISGs). ISGs show obvious depletion of GC content in the coding region. This influences the representation of some compositions following the translation process. IFN-repressed human genes (IRGs), downregulated genes in IFN experiments, can have similar properties to the ISGs. Additionally, we design a machine learning framework integrating the support vector machine and novel feature selection algorithm that achieves an area under the receiver operating characteristic curve (AUC) of 0.7455 for ISG prediction. Its application in other IFN systems suggests the similarity between the ISGs triggered by type I and III IFNs. CONCLUSIONS ISGs have some unique properties that make them different from the non-ISGs. The representation of some properties has a strong correlation with gene expression following IFN-α stimulation, which can be used as a predictive feature in machine learning. Our model predicts several genes as putative ISGs that so far have shown no significant differential expression when stimulated with IFN-α in the cell/tissue types in the available databases. A web server implementing our method is accessible at http://isgpre.cvr.gla.ac.uk/. The docker image at https://hub.docker.com/r/hchai01/isgpre can be downloaded to reproduce the prediction.
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Affiliation(s)
- Haiting Chai
- MRC-University of Glasgow Centre for Virus Research, Sir Michael Stoker Building, Garscube Campus, Campus, 464 Bearsden Road, Glasgow, G61 1QH, Scotland, UK
| | - Quan Gu
- MRC-University of Glasgow Centre for Virus Research, Sir Michael Stoker Building, Garscube Campus, Campus, 464 Bearsden Road, Glasgow, G61 1QH, Scotland, UK
| | - David L Robertson
- Correspondence address. David L. Robertson, MRC-University of Glasgow Centre for Virus Research, Sir Michael Stoker Building, Garscube Campus, 464 Bearsden Road, Glasgow, G61 1QH, Scotland, UK, E-mail:
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Santer DM, Li D, Ghosheh Y, Zahoor MA, Prajapati D, Hansen BE, Tyrrell DLJ, Feld JJ, Gehring AJ. Interferon-λ treatment accelerates SARS-CoV-2 clearance despite age-related delays in the induction of T cell immunity. Nat Commun 2022; 13:6992. [PMID: 36385011 PMCID: PMC9667439 DOI: 10.1038/s41467-022-34709-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 11/02/2022] [Indexed: 11/17/2022] Open
Abstract
Interferons induced early after SARS-CoV-2 infection are crucial for shaping immunity and preventing severe COVID-19. We previously demonstrated that injection of pegylated interferon-lambda accelerated viral clearance in COVID-19 patients (NCT04354259). To determine if the viral decline is mediated by enhanced immunity, we assess in vivo responses to interferon-lambda by single cell RNA sequencing and measure SARS-CoV-2-specific T cell and antibody responses between placebo and interferon-lambda-treated patients. Here we show that interferon-lambda treatment induces interferon stimulated genes in peripheral immune cells expressing IFNLR1, including plasmacytoid dendritic cells and B cells. Interferon-lambda does not affect SARS-CoV-2-specific antibody levels or the magnitude of virus-specific T cells. However, we identify delayed T cell responses in older adults, suggesting that interferon-lambda can overcome delays in adaptive immunity to accelerate viral clearance in high-risk patients. Altogether, interferon-lambda offers an early COVID-19 treatment option for outpatients to boost innate antiviral defenses without dampening peripheral adaptive immunity.
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Affiliation(s)
- Deanna M. Santer
- grid.21613.370000 0004 1936 9609Department of Immunology, University of Manitoba, Winnipeg, MB Canada
| | - Daniel Li
- grid.17063.330000 0001 2157 2938Institute of Medical Science, University of Toronto, Toronto, ON Canada ,grid.231844.80000 0004 0474 0428Toronto Centre for Liver Disease, University Health Network, Toronto, ON Canada
| | - Yanal Ghosheh
- grid.231844.80000 0004 0474 0428Toronto Centre for Liver Disease, University Health Network, Toronto, ON Canada
| | - Muhammad Atif Zahoor
- grid.231844.80000 0004 0474 0428Toronto Centre for Liver Disease, University Health Network, Toronto, ON Canada
| | - Dhanvi Prajapati
- grid.21613.370000 0004 1936 9609Department of Immunology, University of Manitoba, Winnipeg, MB Canada
| | - Bettina E. Hansen
- grid.231844.80000 0004 0474 0428Toronto Centre for Liver Disease, University Health Network, Toronto, ON Canada
| | - D. Lorne J. Tyrrell
- grid.17089.370000 0001 2190 316XDepartment of Medical Microbiology & Immunology, Li Ka Shing Institute of Virology, University of Alberta, Edmonton, AB Canada
| | - Jordan J. Feld
- grid.17063.330000 0001 2157 2938Institute of Medical Science, University of Toronto, Toronto, ON Canada ,grid.231844.80000 0004 0474 0428Toronto Centre for Liver Disease, University Health Network, Toronto, ON Canada
| | - Adam J. Gehring
- grid.17063.330000 0001 2157 2938Institute of Medical Science, University of Toronto, Toronto, ON Canada ,grid.231844.80000 0004 0474 0428Toronto Centre for Liver Disease, University Health Network, Toronto, ON Canada
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Rafati A, Esmaeili Gouvarchin Ghaleh H, Azarabadi A, Masoudi MR, Afrasiab E, Ghorbani Alvanegh A. Stem cells as an ideal carrier for gene therapy: A new approach to the treatment of hepatitis C virus. Transpl Immunol 2022; 75:101721. [PMID: 36150664 DOI: 10.1016/j.trim.2022.101721] [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: 06/26/2022] [Revised: 09/02/2022] [Accepted: 09/14/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND AIM Various chemical drugs have been approved for the treatment of patients with hepatitis C, but most of these treatments are costly, and also have an inadequate response and many side effects. Also, there is no effective vaccine for hepatitis C due to its high genetic diversity. In recent decades, clinical trials have grown dramatically regarding the benefits of stem cell therapy as a modulator of immune system responses and anti-inflammatory drugs. The most promising point in stem cell therapy and similar therapies is that patients with chronic pain and severe injuries are offered drug-free treatment or surgery. In the present study, we examine the various dimensions of the use of stem cells with the approach of gene therapy carriers as a new treatment method in the treatment of Hepatitis C. METHODS Search terms were including gene carrier, stem cell therapy, gene therapy, liver disorders, hepatitis C virus. At first, 1000 article titles related to the mentioned keywords for different diseases were found. After removing duplicate titles and items that did not match the scope of the research, articles that met the criteria for entering the research and had usable information were selected. All abstracts of selected articles were studied by researchers. In the initial review, articles related to the title were identified and categorized based on the type of challenge. CONCLUSION Gene therapy, either directly and in vivo or indirectly and in vitro, requires carriers (vectors) to transfer the gene. These carriers are divided into two groups, viral and non-viral. In indirect gene therapy, living cells are isolated from a person's body and genetically modified. Stem cells have the properties to transfer the desired genes to the patient's body, including the ability to proliferate for a long time and differentiate into the tissue cells in which they are located.
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Affiliation(s)
- Alireza Rafati
- Department of Medical Genetics, Sirjan School of Medical Sciences, Sirjan, Iran
| | | | - Afsaneh Azarabadi
- Instructor of Nursing, School of Nursing and Midwifery, Urmia University of Medical Sciences
| | - Mahmood Reza Masoudi
- School of Medical Sciences, Emam Reza Hospital Sirjan Faculty of Medical Sciences, Sirjan, Iran
| | - Elmira Afrasiab
- Department of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Akbar Ghorbani Alvanegh
- Department of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran; Human Genetics Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Solstad A, Hogaboam O, Forero A, Hemann EA. RIG-I-like Receptor Regulation of Immune Cell Function and Therapeutic Implications. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:845-854. [PMID: 36130131 PMCID: PMC9512390 DOI: 10.4049/jimmunol.2200395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 06/30/2022] [Indexed: 01/04/2023]
Abstract
Retinoic acid-inducible gene I-like receptors (RLRs) are cytosolic RNA sensors critical for initiation of antiviral immunity. Activation of RLRs following RNA recognition leads to production of antiviral genes and IFNs for induction of broad antiviral immunity. Although the RLRs are ubiquitously expressed, much of our understanding of these molecules comes from their study in epithelial cells and fibroblasts. However, RLR activation is critical for induction of immune function and long-term protective immunity. Recent work has focused on the roles of RLRs in immune cells and their contribution to programming of effective immune responses. This new understanding of RLR function in immune cells and immune programming has led to the development of vaccines and therapeutics targeting the RLRs. This review covers recent advances in our understanding of the contribution of RLRs to immune cell function during infection and the emerging RLR-targeting strategies for induction of immunity against cancer and viral infection.
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Affiliation(s)
- Abigail Solstad
- Biomedical Sciences Graduate Program, College of Medicine, The Ohio State University, Columbus, OH
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH
| | - Octavia Hogaboam
- Biomedical Sciences Graduate Program, College of Medicine, The Ohio State University, Columbus, OH
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH
| | - Adriana Forero
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH
- Infectious Diseases Institute, The Ohio State University, Columbus, OH; and
| | - Emily A Hemann
- Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, OH;
- Infectious Diseases Institute, The Ohio State University, Columbus, OH; and
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Nolan LS, Baldridge MT. Advances in understanding interferon-mediated immune responses to enteric viruses in intestinal organoids. Front Immunol 2022; 13:943334. [PMID: 35935957 PMCID: PMC9354881 DOI: 10.3389/fimmu.2022.943334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/30/2022] [Indexed: 11/16/2022] Open
Abstract
Interferons (IFN) are antiviral cytokines with critical roles in regulating pathogens at epithelial barriers, but their capacity to restrict human enteric viruses has been incompletely characterized in part due to challenges in cultivating some viruses in vitro, particularly human norovirus. Accordingly, advancements in the development of antiviral therapies and vaccine strategies for enteric viral infections have been similarly constrained. Currently emerging is the use of human intestinal enteroids (HIEs) to investigate mechanisms of human enteric viral pathogenesis. HIEs provide a unique opportunity to investigate host-virus interactions using an in vitro system that recapitulates the cellular complexity of the in vivo gastrointestinal epithelium. This approach permits the exploration of intestinal epithelial cell interactions with enteric viruses as well as the innate immune responses mediated by IFNs and IFN-stimulated genes. Here, we describe recent findings related to the production, signaling, and function of IFNs in the response to enteric viral infections, which will ultimately help to reveal important aspects of pathogenesis and facilitate the future development of therapeutics and vaccines.
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Affiliation(s)
- Lila S. Nolan
- Department of Pediatrics, Division of Newborn Medicine, Washington University School of Medicine, St. Louis Children’s Hospital, St. Louis, MO, United States
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, United States
| | - Megan T. Baldridge
- Edison Family Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO, United States
- Department of Medicine, Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO, United States
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Mohammadi H, Alavian SM, Sharafi H. Association of single nucleotide polymorphisms in immune-related genes with spontaneous HBsAg seroconversion: A systematic review and meta-analysis. Int Immunopharmacol 2022; 110:108982. [PMID: 35752129 DOI: 10.1016/j.intimp.2022.108982] [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: 01/15/2022] [Revised: 05/28/2022] [Accepted: 06/15/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Studies have reported that the immune system modulation genes are involved in the seroconversion during hepatitis B virus (HBV) infection. Here, a systematic review with meta-analysis is implemented on the association of polymorphisms in immune-related genes with the spontaneous hepatitis B surface antigen (HBsAg) seroconversion. METHODS A systematic literature search was conducted in the main electronic databases of Scopus, PubMed, and Web of Science before May 2022. Pooled odds ratio (OR) and their corresponding 95% confidence interval (CI) were used to evaluate the strength of the association between genetic polymorphisms and the chance of spontaneous HBsAg seroconversion. RESULTS A total of 40 studies finally included for meta-analysis of 2 HLA-DP SNPs, 2 HLA-DQ SNPs, 3 IFNL3/4 SNPs, 2 IL10 SNPs, and 5 TNF SNPs. Based on the overall pooled analysis, HLA-DP rs3077 A (OR = 1.47, 95%CI: 1.32-1.65), HLA-DP rs9277535 A (OR = 1.48, 95%CI: 1.32-1.66), HLA-DQ rs2856718 G (OR = 1.37, 95%CI: 1.18-1.59), HLA-DQ rs7453920 A (OR = 1.41, 95%CI: 1.04-1.93), IFNL3/4 rs12980275 G (OR = 1.26, 95%CI: 1.01-1.58), TNFA rs1799964 T (OR = 1.17, 95%CI: 1.02-1.35), and TNFA rs1800630 C (OR = 1.26, 95%CI: 1.03-1.55) increased significantly the chance of spontaneous HBsAg seroconversion. CONCLUSION This meta-analysis showed that the HLA-DP gene rs3077 and rs9277535 SNPs, HLA-DQ gene rs2856718 and rs7453920 SNPs, IFNL3/4 gene rs12980275 SNP, TNFA gene rs1799964 and rs1800630 SNPs are involved in the spontaneous HBsAg seroconversion.
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Affiliation(s)
- Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Seyed Moayed Alavian
- Middle East Liver Diseases (MELD) Center, Tehran, Iran; Baqiyatallah Research Center for Gastroenterology and Liver Diseases (BRCGL), Baqiyatallah University of Medical Sciences, Tehran, Iran
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Song Q, Zhao X, Cao C, Duan M, Shao C, Jiang S, Zhou B, Zhou Y, Dong W, Yang Y, Wang X, Song H. Research advances on interferon (IFN) response during BVDV infection. Res Vet Sci 2022; 149:151-158. [DOI: 10.1016/j.rvsc.2022.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/21/2022] [Accepted: 04/05/2022] [Indexed: 11/28/2022]
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Pathogenesis of pneumonia and acute lung injury. Clin Sci (Lond) 2022; 136:747-769. [PMID: 35621124 DOI: 10.1042/cs20210879] [Citation(s) in RCA: 88] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/29/2022] [Accepted: 05/09/2022] [Indexed: 12/15/2022]
Abstract
Pneumonia and its sequelae, acute lung injury, present unique challenges for pulmonary and critical care healthcare professionals, and these challenges have recently garnered global attention due to the ongoing Sars-CoV-2 pandemic. One limitation to translational investigation of acute lung injury, including its most severe manifestation (acute respiratory distress syndrome, ARDS) has been heterogeneity resulting from the clinical and physiologic diagnosis that represents a wide variety of etiologies. Recent efforts have improved our understanding and approach to heterogeneity by defining sub-phenotypes of ARDS although significant gaps in knowledge remain. Improving our mechanistic understanding of acute lung injury and its most common cause, infectious pneumonia, can advance our approach to precision targeted clinical interventions. Here, we review the pathogenesis of pneumonia and acute lung injury, including how respiratory infections and lung injury disrupt lung homoeostasis, and provide an overview of respiratory microbial pathogenesis, the lung microbiome, and interventions that have been demonstrated to improve outcomes-or not-in human clinical trials.
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Tissue-Specific Variations in Transcription Factors Elucidate Complex Immune System Regulation. Genes (Basel) 2022; 13:genes13050929. [PMID: 35627314 PMCID: PMC9140347 DOI: 10.3390/genes13050929] [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: 03/22/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 11/17/2022] Open
Abstract
Gene expression plays a key role in health and disease. Estimating the genetic components underlying gene expression can thus help understand disease etiology. Polygenic models termed “transcriptome imputation” are used to estimate the genetic component of gene expression, but these models typically consider only the cis regions of the gene. However, these cis-based models miss large variability in expression for multiple genes. Transcription factors (TFs) that regulate gene expression are natural candidates for looking for additional sources of the missing variability. We developed a hypothesis-driven approach to identify second-tier regulation by variability in TFs. Our approach tested two models representing possible mechanisms by which variations in TFs can affect gene expression: variability in the expression of the TF and genetic variants within the TF that may affect the binding affinity of the TF to the TF-binding site. We tested our TF models in whole blood and skeletal muscle tissues and identified TF variability that can partially explain missing gene expression for 1035 genes, 76% of which explains more than the cis-based models. While the discovered regulation patterns were tissue-specific, they were both enriched for immune system functionality, elucidating complex regulation patterns. Our hypothesis-driven approach is useful for identifying tissue-specific genetic regulation patterns involving variations in TF expression or binding.
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Wu Y, Shrestha P, Heape NM, Yarchoan R. CDK4/6 inhibitors sensitize gammaherpesvirus-infected tumor cells to T-cell killing by enhancing expression of immune surface molecules. J Transl Med 2022; 20:217. [PMID: 35562811 PMCID: PMC9101822 DOI: 10.1186/s12967-022-03400-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 04/18/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The two oncogenic human gammaherpesviruses, Kaposi sarcoma-associated herpesvirus (KSHV) and Epstein-Barr virus (EBV), both downregulate immune surface molecules, such as MHC-I, ICAM-1, and B7-2, enabling them to evade T-cell and natural killer cell immunity. Both also either encode for human cyclin homologues or promote cellular cyclin activity, and this has been shown to be important for proliferation and survival of gammaherpesvirus-induced tumors. CDK4/6 inhibitors, which are approved for certain breast cancers, have been shown to enhance expression of MHC-I in cell lines and murine models of breast cancer, and this was attributed to activation of interferons by endogenous retrovirus elements. However, it was not known if this would occur in gammaherpesvirus-induced tumors in which interferons are already activated. METHODS Multiple KSHV/EBV-infected cell lines were treated with CDK4/6 inhibitors. The growth of viable cells and expression of surface markers was assessed. T cell activation stimulated by the treated cells was assayed by a T-cell activation bioassay. Both viral and host gene expression was surveyed using RT-qPCR. RESULTS Three CDK4/6 inhibitors, abemaciclib, palbociclib, and ribociclib, inhibited cell growth in KSHV-induced primary effusion lymphoma (PEL) and EBV positive Burkitt's lymphoma (BL) cell lines, and KSHV-infected human umbilical vein endothelial cells (HUVECs). Moreover, CDK4/6 inhibitors increased mRNA and surface expression of MHC-I in all three and prevented downregulation of MHC-I surface expression during lytic replication in KSHV-infected cells. CDK4/6 inhibitors also variably increased mRNA and surface expression of ICAM-1 and B7-2 in the tested lines. Abemaciclib also significantly enhanced T-cell activation induced by treated PEL and BL cells. Certain gammaherpesvirus genes as well as endogenous retrovirus (ERV) 3-1 genes were enhanced by CDK4/6 inhibitors in most PEL and BL lines and this enhancement was associated with expression of gamma interferon-induced genes including MHC-I. CONCLUSIONS These observations provide evidence that CDK4/6 inhibitors can induce expression of surface immune markers MHC-I, B7-2, and ICAM-1 in gammaherpesvirus-infected cell lines and induce virus-specific immunity. They can thus thwart virus-induced immune evasion. These effects, along with their direct effects on KSHV- or EBV-induced tumors, provide a rational for the clinical testing of these drugs in these tumors.
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Affiliation(s)
- Yiquan Wu
- HIV and AIDS Malignancy Branch, Center for Cancer Research, National Cancer Institute, Building 10, Rm. 6N106, MSC 1868, 10 Center Drive, Bethesda, MD, 20892-1868, USA
| | - Prabha Shrestha
- HIV and AIDS Malignancy Branch, Center for Cancer Research, National Cancer Institute, Building 10, Rm. 6N106, MSC 1868, 10 Center Drive, Bethesda, MD, 20892-1868, USA
| | - Natalie M Heape
- HIV and AIDS Malignancy Branch, Center for Cancer Research, National Cancer Institute, Building 10, Rm. 6N106, MSC 1868, 10 Center Drive, Bethesda, MD, 20892-1868, USA
| | - Robert Yarchoan
- HIV and AIDS Malignancy Branch, Center for Cancer Research, National Cancer Institute, Building 10, Rm. 6N106, MSC 1868, 10 Center Drive, Bethesda, MD, 20892-1868, USA.
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Mettelman RC, Allen EK, Thomas PG. Mucosal immune responses to infection and vaccination in the respiratory tract. Immunity 2022; 55:749-780. [PMID: 35545027 PMCID: PMC9087965 DOI: 10.1016/j.immuni.2022.04.013] [Citation(s) in RCA: 83] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 01/25/2023]
Abstract
The lungs are constantly exposed to inhaled debris, allergens, pollutants, commensal or pathogenic microorganisms, and respiratory viruses. As a result, innate and adaptive immune responses in the respiratory tract are tightly regulated and are in continual flux between states of enhanced pathogen clearance, immune-modulation, and tissue repair. New single-cell-sequencing techniques are expanding our knowledge of airway cellular complexity and the nuanced connections between structural and immune cell compartments. Understanding these varied interactions is critical in treatment of human pulmonary disease and infections and in next-generation vaccine design. Here, we review the innate and adaptive immune responses in the lung and airways following infection and vaccination, with particular focus on influenza virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The ongoing SARS-CoV-2 pandemic has put pulmonary research firmly into the global spotlight, challenging previously held notions of respiratory immunity and helping identify new populations at high risk for respiratory distress.
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Affiliation(s)
- Robert C Mettelman
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - E Kaitlynn Allen
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Paul G Thomas
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
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Chen SN, Gan Z, Hou J, Yang YC, Huang L, Huang B, Wang S, Nie P. Identification and establishment of type IV interferon and the characterization of interferon-υ including its class II cytokine receptors IFN-υR1 and IL-10R2. Nat Commun 2022; 13:999. [PMID: 35194032 PMCID: PMC8863823 DOI: 10.1038/s41467-022-28645-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 01/26/2022] [Indexed: 11/10/2022] Open
Abstract
Interferons (IFNs) are critical soluble factors in the immune system and are composed of three types, (I, II and III) that utilize different receptor complexes IFN-αR1/IFN-αR2, IFN-γR1/IFN-γR2, and IFN-λR1/IL-10R2, respectively. Here we identify IFN-υ from the genomic sequences of vertebrates. The members of class II cytokine receptors, IFN-υR1 and IL-10R2, are identified as the receptor complex of IFN-υ, and are associated with IFN-υ stimulated gene expression and antiviral activity in zebrafish (Danio rerio) and African clawed frog (Xenopus laevis). IFN-υ and IFN-υR1 are separately located at unique and highly conserved loci, being distinct from all other three-type IFNs. IFN-υ and IFN-υR1 are phylogenetically clustered with class II cytokines and class II cytokine receptors, respectively. Therefore, the finding of this IFN ligand-receptor system may be considered as a type IV IFN, in addition to the currently recognized three types of IFNs in vertebrates. Interferons are critical soluble components of the inflammatory process and are composed of three types with associated receptor complexes. Here the authors identify and characterise the type IV interferon, IFN-υ, and identify its associated receptors, denote functionality during in vivo infection and ascertain its genomic localisation.
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Affiliation(s)
- Shan Nan Chen
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China
| | - Zhen Gan
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Jing Hou
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Yue Cong Yang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Lin Huang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China
| | - Bei Huang
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China.,College of Fisheries, Jimei University, 43 Yindou Road, Xiamen, Fujian, 361021, China
| | - Su Wang
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, Shandong, 266237, China.,School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China
| | - Pin Nie
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China. .,Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei, 430072, China. .,Innovation Academy of Seed Design, Chinese Academy of Sciences, Wuhan, China. .,Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, Shandong, 266237, China. .,School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong, 266109, China.
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Zepeda-Cervantes J, Martínez-Flores D, Ramírez-Jarquín JO, Tecalco-Cruz ÁC, Alavez-Pérez NS, Vaca L, Sarmiento-Silva RE. Implications of the Immune Polymorphisms of the Host and the Genetic Variability of SARS-CoV-2 in the Development of COVID-19. Viruses 2022; 14:94. [PMID: 35062298 PMCID: PMC8778858 DOI: 10.3390/v14010094] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 01/08/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is responsible for the current pandemic affecting almost all countries in the world. SARS-CoV-2 is the agent responsible for coronavirus disease 19 (COVID-19), which has claimed millions of lives around the world. In most patients, SARS-CoV-2 infection does not cause clinical signs. However, some infected people develop symptoms, which include loss of smell or taste, fever, dry cough, headache, severe pneumonia, as well as coagulation disorders. The aim of this work is to report genetic factors of SARS-CoV-2 and host-associated to severe COVID-19, placing special emphasis on the viral entry and molecules of the immune system involved with viral infection. Besides this, we analyze SARS-CoV-2 variants and their structural characteristics related to the binding to polymorphic angiotensin-converting enzyme type 2 (ACE2). Additionally, we also review other polymorphisms as well as some epigenetic factors involved in the immunopathogenesis of COVID-19. These factors and viral variability could explain the increment of infection rate and/or in the development of severe COVID-19.
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Affiliation(s)
- Jesús Zepeda-Cervantes
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Daniel Martínez-Flores
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Josué Orlando Ramírez-Jarquín
- Departamento de Neuropatología Molecular, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Ángeles C. Tecalco-Cruz
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México (UACM), Mexico City 06720, Mexico;
| | - Noé Santiago Alavez-Pérez
- Escuela Nacional de Medicina y Homeopatía, Instituto Politécnico Nacional, Mexico City 07340, Mexico;
| | - Luis Vaca
- Departamento de Biología Celular y del Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Rosa Elena Sarmiento-Silva
- Departamento de Microbiología e Inmunología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
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Mboko WP, Chhabra P, Valcarce MD, Costantini V, Vinjé J. Advances in understanding of the innate immune response to human norovirus infection using organoid models. J Gen Virol 2022; 103:10.1099/jgv.0.001720. [PMID: 35077345 PMCID: PMC8984994 DOI: 10.1099/jgv.0.001720] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023] Open
Abstract
Norovirus is the leading cause of epidemic and endemic acute gastroenteritis worldwide and the most frequent cause of foodborne illness in the United States. There is no specific treatment for norovirus infections and therapeutic interventions are based on alleviating symptoms and limiting viral transmission. The immune response to norovirus is not completely understood and mechanistic studies have been hindered by lack of a robust cell culture system. In recent years, the human intestinal enteroid/human intestinal organoid system (HIE/HIO) has enabled successful human norovirus replication. Cells derived from HIE have also successfully been subjected to genetic manipulation using viral vectors as well as CRISPR/Cas9 technology, thereby allowing studies to identify antiviral signaling pathways important in controlling norovirus infection. RNA sequencing using HIE cells has been used to investigate the transcriptional landscape during norovirus infection and to identify antiviral genes important in infection. Other cell culture platforms such as the microfluidics-based gut-on-chip technology in combination with the HIE/HIO system also have the potential to address fundamental questions on innate immunity to human norovirus. In this review, we highlight the recent advances in understanding the innate immune response to human norovirus infections in the HIE system, including the application of advanced molecular technologies that have become available in recent years such as the CRISPR/Cas9 and RNA sequencing, as well as the potential application of single cell transcriptomics, viral proteomics, and gut-on-a-chip technology to further elucidate innate immunity to norovirus.
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Affiliation(s)
- Wadzanai P. Mboko
- Viral Gastroenteritis Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
| | - Preeti Chhabra
- Viral Gastroenteritis Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
| | - Marta Diez Valcarce
- Viral Gastroenteritis Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
- Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA
| | - Veronica Costantini
- Viral Gastroenteritis Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
| | - Jan Vinjé
- Viral Gastroenteritis Branch, Division of Viral Diseases, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30329, USA
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Barnas JL, Albrecht J, Meednu N, Alzamareh DF, Baker C, McDavid A, Looney RJ, Anolik JH. B Cell Activation and Plasma Cell Differentiation Are Promoted by IFN-λ in Systemic Lupus Erythematosus. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2021; 207:2660-2672. [PMID: 34706932 PMCID: PMC8612983 DOI: 10.4049/jimmunol.2100339] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 09/17/2021] [Indexed: 12/24/2022]
Abstract
Type I IFN is essential for viral clearance but also contributes to the pathogenesis of autoimmune diseases, such as systemic lupus erythematosus (SLE), via aberrant nucleic acid-sensing pathways, leading to autoantibody production. Type III IFN (IFN-λ) is now appreciated to have a nonredundant role in viral infection, but few studies have addressed the effects of IFN-λ on immune cells given the more restricted expression of its receptor primarily to the epithelium. In this study, we demonstrate that B cells display a prominent IFN gene expression profile in patients with lupus. Serum levels of IFN-λ are elevated in SLE and positively correlate with B cell subsets associated with autoimmune plasma cell development, including CD11c+T-bet+CD21- B cells. Although B cell subsets express all IFN receptors, IFNLR1 strongly correlates with the CD11c+CD21- B cell expansion, suggesting that IFN-λ may be an unappreciated driver of the SLE IFN signature and B cell abnormalities. We show that IFN-λ potentiates gene transcription in human B cells typically attributed to type I IFN as well as expansion of T-bet-expressing B cells after BCR and TLR7/8 stimulation. Further, IFN-λ promotes TLR7/8-mediated plasmablast differentiation and increased IgM production. CD11c+ B cells demonstrate IFN-λ hyperresponsive signaling compared with other B cell subsets, suggesting that IFN-λ accelerates plasma cell differentiation through this putative extrafollicular pathway. In summary, our data support type III IFN-λ as a cytokine promoting the Ab-secreting cell pool in human viral and autoimmune disease.
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Affiliation(s)
- Jennifer L Barnas
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY;
| | - Jennifer Albrecht
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY
| | - Nida Meednu
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY
| | - Diana F Alzamareh
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY
| | - Cameron Baker
- University of Rochester Genomics Research Center, University of Rochester Medical Center, Rochester, NY; and
| | - Andrew McDavid
- Department of Biostatistics and Computational Biology, University of Rochester School of Medicine and Dentistry, Rochester, NY
| | - R John Looney
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY
| | - Jennifer H Anolik
- Division of Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY
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Tarigan R, Katta T, Takemae H, Shimoda H, Maeda K, Iida A, Hondo E. Distinct interferon response in bat and other mammalian cell lines infected with Pteropine orthoreovirus. Virus Genes 2021; 57:510-520. [PMID: 34432209 PMCID: PMC8386163 DOI: 10.1007/s11262-021-01865-6] [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: 12/06/2020] [Accepted: 08/09/2021] [Indexed: 12/24/2022]
Abstract
Bats serve as natural hosts of Pteropine orthoreovirus (PRV), an emerging group of bat-borne, zoonotic viruses. Bats appear to possess unique innate immune system responses that can inhibit viral replication, thus reducing clinical symptoms. We examined the innate immune response against PRV and assessed viral replication in cell lines derived from four bat species (Miniopterus fuliginosus, Pteropus dasymallus, Rhinolophus ferrumequinum, and Rousettus leschenaultii), one rodent (Mesocricetous auratus), and human (Homo sapiens). The expression levels of pattern recognition receptors (PRRs) (TLR3, RIG-I, and MDA5) and interferons (IFNB1 and IFNL1) were higher and PRV replication was lower in cell lines derived from M. fuliginosus, R. ferrumequinum, and R. leschenaultii. Reduction of IFNB1 expression by the knockdown of PRRs in the cell line derived from R. ferrumequinum was associated with increased PRV replication. The knockdown of RIG-I led to the most significant reduction in viral replication for all cell lines. These results suggest that RIG-I production is important for antiviral response against PRV in R. ferrumequinum.
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Affiliation(s)
- Ronald Tarigan
- Laboratory of Animal Morphology, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Tetsufumi Katta
- Laboratory of Animal Morphology, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Hitoshi Takemae
- Laboratory of Animal Morphology, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Hiroshi Shimoda
- Laboratory of Veterinary Microbiology, Joint Faculty of Veterinary Medicine, Yamaguchi University, Yamaguchi, Japan
| | - Ken Maeda
- Division of Veterinary Science, National Institute of Infectious Diseases, Tokyo, Japan
| | - Atsuo Iida
- Laboratory of Animal Morphology, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Eiichi Hondo
- Laboratory of Animal Morphology, Department of Animal Sciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.
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39
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Mallampalli RK, Adair J, Elhance A, Farkas D, Chafin L, Long ME, De M, Mora AL, Rojas M, Peters V, Bednash JS, Tsai M, Londino JD. Interferon Lambda Signaling in Macrophages Is Necessary for the Antiviral Response to Influenza. Front Immunol 2021; 12:735576. [PMID: 34899695 PMCID: PMC8655102 DOI: 10.3389/fimmu.2021.735576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 11/04/2021] [Indexed: 01/14/2023] Open
Abstract
Interferon lambda (IFNλ) signaling is a promising therapeutic target against viral infection in murine models, yet little is known about its molecular regulation and its cognate receptor, interferon lambda receptor 1 (IFNLR1) in human lung. We hypothesized that the IFNλ signaling axis was active in human lung macrophages. In human alveolar macrophages (HAMs), we observed increased IFNLR1 expression and robust increase in interferon-stimulated gene (ISG) expression in response to IFNλ ligand. While human monocytes express minimal IFNLR1, differentiation of monocytes into macrophages with macrophage colony-stimulating factor (M-CSF) or granulocyte-macrophage colony-stimulating factor (GM-CSF) increased IFNLR1 mRNA, IFNLR1 protein expression, and cellular response to IFNλ ligation. Conversely, in mice, M-CSF or GM-CSF stimulated macrophages failed to produce ISGs in response to related ligands, IFNL2 or IFNL3, suggesting that IFNLR1 signaling in macrophages is species-specific. We next hypothesized that IFNλ signaling was critical in influenza antiviral responses. In primary human airway epithelial cells and precision-cut human lung slices, influenza infection substantially increased IFNλ levels. Pretreatment of both HAMs and differentiated human monocytes with IFNL1 significantly inhibited influenza infection. IFNLR1 knockout in the myeloid cell line, THP-1, exhibited reduced interferon responses to either direct or indirect exposure to influenza infection suggesting the indispensability of IFNLR1 for antiviral responses. These data demonstrate the presence of IFNλ - IFNLR1 signaling axis in human lung macrophages and a critical role of IFNλ signaling in combating influenza infection.
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Affiliation(s)
- Rama K. Mallampalli
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Jessica Adair
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Ajit Elhance
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Daniela Farkas
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Lexie Chafin
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Matthew E. Long
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States,Department of Microbial Infection and Immunity, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
| | - Mithu De
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Ana L. Mora
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Mauricio Rojas
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Victor Peters
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - Joseph S. Bednash
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - MuChun Tsai
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States
| | - James D. Londino
- Department of Internal Medicine, Division of Pulmonary, Critical Care, and Sleep Medicine, Davis Heart and Lung Research Institute, Columbus, Ohio, United States,*Correspondence: James D. Londino,
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Rahimi P, Tarharoudi R, Rahimpour A, Mosayebi Amroabadi J, Ahmadi I, Anvari E, Siadat SD, Aghasadeghi M, Fateh A. The association between interferon lambda 3 and 4 gene single-nucleotide polymorphisms and the recovery of COVID-19 patients. Virol J 2021; 18:221. [PMID: 34775984 PMCID: PMC8590865 DOI: 10.1186/s12985-021-01692-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 11/02/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND The recent pandemic caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has elevated several clinical and scientific questions. These include how host genetic factors influence the pathogenesis and disease susceptibility. Therefore, the aim of this study was to evaluate the impact of interferon lambda 3 and 4 (IFNL3/4) gene polymorphisms and clinical parameters on the resistance and susceptibility to coronavirus disease 2019 (COVID-19) infection. METHODS A total of 750 SARS-CoV-2 positive patients (375 survivors and 375 nonsurvivors) were included in this study. All single-nucleotide polymorphisms (SNPs) on IFNL3 (rs12979860, rs8099917, and rs12980275) and IFNL4 rs368234815 were genotyped by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. RESULTS In this study, a higher viral load (low PCR Ct value) was shown in nonsurvivor patients. In survivor patients, the frequency of the favorable genotypes of IFNL3/4 SNPs (rs12979860 CC, rs12980275 AA, rs8099917 TT, and rs368234815 TT/TT) was significantly higher than in nonsurvivor patients. Multivariate logistic regression analysis has shown that a higher low-density lipoprotein (LDL), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and PCR Ct value, and lower 25-hydroxyvitamin D, and also IFNL3 rs12979860 TT, IFNL3 rs8099917 GG, IFNL3 rs12980275 GG, and IFNL4 rs368234815 ∆G/∆G genotypes were associated with the severity of COVID-19 infection. CONCLUSIONS The results of this study proved that the severity of COVID-19 infection was associated with clinical parameters and unfavorable genotypes of IFNL3/IFNL4 SNPs. Further studies in different parts of the world are needed to show the relationship between severity of COVID-19 infection and host genetic factors.
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Affiliation(s)
- Pooneh Rahimi
- Hepatitis and AIDS Department, Pasteur Institute of Iran, Tehran, Iran
- Viral Vaccine Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Rahil Tarharoudi
- Department of Molecular and Cellular Biology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Alireza Rahimpour
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | | | - Iraj Ahmadi
- Department of Physiology, School of Medicine, Ilam University of Medical Science, Ilam, Iran
| | - Enayat Anvari
- Department of Physiology, School of Medicine, Ilam University of Medical Science, Ilam, Iran
| | - Seyed Davar Siadat
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
- Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran
| | - Mohammadreza Aghasadeghi
- Hepatitis and AIDS Department, Pasteur Institute of Iran, Tehran, Iran.
- Viral Vaccine Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Abolfazl Fateh
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran.
- Microbiology Research Center (MRC), Pasteur Institute of Iran, Tehran, Iran.
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Chung H, Green PHR, Wang TC, Kong XF. Interferon-Driven Immune Dysregulation in Down Syndrome: A Review of the Evidence. J Inflamm Res 2021; 14:5187-5200. [PMID: 34675597 PMCID: PMC8504936 DOI: 10.2147/jir.s280953] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/22/2021] [Indexed: 01/15/2023] Open
Abstract
Down syndrome (DS) is a unique genetic disease caused by the presence of an extra copy of chromosome 21, which carries four of the six interferon receptor (IFN-R) genes on its long arm. Recent studies reporting higher levels of interferon-stimulated gene (ISG) expression in primary immune cells studied ex vivo have suggested that the additional copies of the IFN-R genes in DS result in mild interferonopathy. In this review, we analyze the potential clinical and immunological impacts of this interferonopathy in DS. We performed a literature review to explore the epidemiology and risks of celiac disease, type 1 diabetes, thyroid dysfunction, mucocutaneous manifestations, infectious diseases (including COVID-19), and Alzheimer’s disease in individuals with DS relative to the general population with or without iatrogenic exposure to interferons. We analyzed immunophenotyping data and the current experimental evidence concerning IFN-R expression, constitutive JAK-STAT activation, and ISG overexpression in DS. Despite the lack of direct evidence that implicating this mild interferonopathy directly in illnesses in individuals with DS, we highlight the challenges ahead and directions that could be taken to determine more clearly the biological impact of interferonopathy on various immune-related conditions in DS.
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Affiliation(s)
- Howard Chung
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA.,Department of Internal Medicine, Icahn School of Medicine at Mount Sinai/Queens (Queens Hospital Center), Jamaica, NY, 11432, USA
| | - Peter H R Green
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA.,Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, 10032, USA
| | - Timothy C Wang
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Xiao-Fei Kong
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA.,Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, 10032, USA
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Muñoz-Moreno R, Martínez-Romero C, García-Sastre A. Induction and Evasion of Type-I Interferon Responses during Influenza A Virus Infection. Cold Spring Harb Perspect Med 2021; 11:a038414. [PMID: 32661015 PMCID: PMC8485741 DOI: 10.1101/cshperspect.a038414] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Influenza A viruses (IAVs) are contagious pathogens and one of the leading causes of respiratory tract infections in both humans and animals worldwide. Upon infection, the innate immune system provides the first line of defense to neutralize or limit the replication of invading pathogens, creating a fast and broad response that brings the cells into an alerted state through the secretion of cytokines and the induction of the interferon (IFN) pathway. At the same time, IAVs have developed a plethora of immune evasion mechanisms in order to avoid or circumvent the host antiviral response, promoting viral replication. Herein, we will review and summarize already known and recently described innate immune mechanisms that host cells use to fight IAV viral infections as well as the main strategies developed by IAVs to overcome such powerful defenses during this fascinating virus-host interplay.
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Affiliation(s)
- Raquel Muñoz-Moreno
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Carles Martínez-Romero
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
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Regulation of B Cell Responses in SLE by Three Classes of Interferons. Int J Mol Sci 2021; 22:ijms221910464. [PMID: 34638804 PMCID: PMC8508684 DOI: 10.3390/ijms221910464] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 12/24/2022] Open
Abstract
There are three classes of interferons (type 1, 2, and 3) that can contribute to the development and maintenance of various autoimmune diseases, including systemic lupus erythematosus (SLE). Each class of interferons promotes the generation of autoreactive B cells and SLE-associated autoantibodies by distinct signaling mechanisms. SLE patients treated with various type 1 interferon-blocking biologics have diverse outcomes, suggesting that additional environmental and genetic factors may dictate how these cytokines contribute to the development of autoreactive B cells and SLE. Understanding how each class of interferons controls B cell responses in SLE is necessary for developing optimized B cell- and interferon-targeted therapeutics. In this review, we will discuss how each class of interferons differentially promotes the loss of peripheral B cell tolerance and leads to the development of autoreactive B cells, autoantibodies, and SLE.
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Kell AM. Innate Immunity to Orthohantaviruses: Could Divergent Immune Interactions Explain Host-specific Disease Outcomes? J Mol Biol 2021; 434:167230. [PMID: 34487792 PMCID: PMC8894506 DOI: 10.1016/j.jmb.2021.167230] [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: 07/19/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 10/20/2022]
Abstract
The genus Orthohantavirus (family Hantaviridae, order Bunyavirales) consists of numerous genetic and pathologically distinct viral species found within rodent and mammalian insectivore populations world-wide. Although reservoir hosts experience persistent asymptomatic infection, numerous rodent-borne orthohantaviruses cause severe disease when transmitted to humans, with case-fatality rates up to 40%. The first isolation of an orthohantavirus occurred in 1976 and, since then, the field has made significant progress in understanding the immune correlates of disease, viral interactions with the human innate immune response, and the immune kinetics of reservoir hosts. Much still remains elusive regarding the molecular mechanisms of orthohantavirus recognition by the innate immune response and viral antagonism within the reservoir host, however. This review provides a summary of the last 45 years of research into orthohantavirus interaction with the host innate immune response. This summary includes discussion of current knowledge involving human, non-reservoir rodent, and reservoir innate immune responses to viruses which cause hemorrhagic fever with renal syndrome and hantavirus cardio-pulmonary syndrome. Review of the literature concludes with a brief proposition for the development of novel tools needed to drive forward investigations into the molecular mechanisms of innate immune activation and consequences for disease outcomes in the various hosts for orthohantaviruses.
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Affiliation(s)
- Alison M Kell
- Department of Molecular Genetics and Microbiology, University of New Mexico, 915 Camino de Salud, Albuquerque, NM 87131, United States.
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Antony F, Pundkar C, Sandey M, Jaiswal AK, Mishra A, Kumar A, Channappanavar R, Suryawanshi A. IFN-λ Regulates Neutrophil Biology to Suppress Inflammation in Herpes Simplex Virus-1-Induced Corneal Immunopathology. THE JOURNAL OF IMMUNOLOGY 2021; 206:1866-1877. [PMID: 33811102 DOI: 10.4049/jimmunol.2000979] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 02/08/2021] [Indexed: 12/13/2022]
Abstract
HSV-1 infection of the cornea causes a severe immunoinflammatory and vision-impairing condition called herpetic stromal keratitis (SK). The virus replication in corneal epithelium followed by neutrophil- and CD4+ T cell-mediated inflammation plays a dominant role in SK. Although previous studies demonstrate critical functions of type I IFNs (IFN-α/β) in HSV-1 infection, the role of recently discovered IFN-λ (type III IFN), specifically at the corneal mucosa, is poorly defined. Our study using a mouse model of SK pathogenesis shows that HSV-1 infection induces a robust IFN-λ response compared with type I IFN production at the corneal mucosal surface. However, the normal progression of SK indicates that the endogenous IFN responses are insufficient to suppress HSV-1-induced corneal pathology. Therefore, we examined the therapeutic efficacy of exogenous rIFN-λ during SK progression. Our results show that rIFN-λ therapy suppressed inflammatory cell infiltration in the cornea and significantly reduced the SK pathologic condition. Early rIFN-λ treatment significantly reduced neutrophil and macrophage infiltration, and IL-6, IL-1β, and CXCL-1 production in the cornea. Notably, the virucidal capacity of neutrophils and macrophages measured by reactive oxygen species generation was not affected. Similarly, ex vivo rIFN-λ treatment of HSV-1-stimulated bone marrow-derived neutrophils significantly promoted IFN-stimulated genes without affecting reactive oxygen species production. Collectively, our data demonstrate that exogenous topical rIFN-λ treatment during the development and progression of SK could represent a novel therapeutic approach to control HSV-1-induced inflammation and associated vision impairment.
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Affiliation(s)
- Ferrin Antony
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849
| | - Chetan Pundkar
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849
| | - Maninder Sandey
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849
| | - Anil K Jaiswal
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849
| | - Amarjit Mishra
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849
| | - Ashok Kumar
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University, Detroit, MI 48201; and
| | | | - Amol Suryawanshi
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849;
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46
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Gokhale NS, Smith JR, Van Gelder RD, Savan R. RNA regulatory mechanisms that control antiviral innate immunity. Immunol Rev 2021; 304:77-96. [PMID: 34405416 DOI: 10.1111/imr.13019] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/29/2021] [Accepted: 08/02/2021] [Indexed: 12/21/2022]
Abstract
From the initial sensing of viral nucleotides by pattern recognition receptors, through the induction of type I and III interferons (IFN), upregulation of antiviral effector proteins, and resolution of the inflammatory response, each step of innate immune signaling is under tight control. Though innate immunity is often associated with broad regulation at the level of gene transcription, RNA-centric post-transcriptional processes have emerged as critical mechanisms for ensuring a proper antiviral response. Here, we explore the diverse RNA regulatory mechanisms that modulate the innate antiviral immune response, with a focus on RNA sensing by RIG-I-like receptors (RLR), interferon (IFN) and IFN signaling pathways, viral pathogenesis, and host genetic variation that contributes to these processes. We address the post-transcriptional interactions with RNA-binding proteins, non-coding RNAs, transcript elements, and modifications that control mRNA stability, as well as alternative splicing events that modulate the innate immune antiviral response.
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Affiliation(s)
- Nandan S Gokhale
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
| | - Julian R Smith
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
| | - Rachel D Van Gelder
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
| | - Ram Savan
- Department of Immunology, School of Medicine, University of Washington, Seattle, Washington, USA
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47
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Vanderboom PM, Mun DG, Madugundu AK, Mangalaparthi KK, Saraswat M, Garapati K, Chakraborty R, Ebihara H, Sun J, Pandey A. Proteomic Signature of Host Response to SARS-CoV-2 Infection in the Nasopharynx. Mol Cell Proteomics 2021; 20:100134. [PMID: 34400346 PMCID: PMC8363427 DOI: 10.1016/j.mcpro.2021.100134] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 07/20/2021] [Accepted: 08/09/2021] [Indexed: 12/27/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, has become a global health pandemic. COVID-19 severity ranges from an asymptomatic infection to a severe multiorgan disease. Although the inflammatory response has been implicated in the pathogenesis of COVID-19, the exact nature of dysregulation in signaling pathways has not yet been elucidated, underscoring the need for further molecular characterization of SARS-CoV-2 infection in humans. Here, we characterize the host response directly at the point of viral entry through analysis of nasopharyngeal swabs. Multiplexed high-resolution MS-based proteomic analysis of confirmed COVID-19 cases and negative controls identified 7582 proteins and revealed significant upregulation of interferon-mediated antiviral signaling in addition to multiple other proteins that are not encoded by interferon-stimulated genes or well characterized during viral infections. Downregulation of several proteasomal subunits, E3 ubiquitin ligases, and components of protein synthesis machinery was significant upon SARS-CoV-2 infection. Targeted proteomics to measure abundance levels of MX1, ISG15, STAT1, RIG-I, and CXCL10 detected proteomic signatures of interferon-mediated antiviral signaling that differentiated COVID-19-positive from COVID-19-negative cases. Phosphoproteomic analysis revealed increased phosphorylation of several proteins with known antiviral properties as well as several proteins involved in ciliary function (CEP131 and CFAP57) that have not previously been implicated in the context of coronavirus infections. In addition, decreased phosphorylation levels of AKT and PKC, which have been shown to play varying roles in different viral infections, were observed in infected individuals relative to controls. These data provide novel insights that add depth to our understanding of SARS-CoV-2 infection in the upper airway and establish a proteomic signature for this viral infection.
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Affiliation(s)
- Patrick M Vanderboom
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA
| | - Dong-Gi Mun
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA
| | - Anil K Madugundu
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA; Institute of Bioinformatics, International Technology Park, Bangalore, Karnataka, India; Manipal Academy of Higher Education, Manipal, Karnataka, India; Center for Molecular Medicine, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
| | - Kiran K Mangalaparthi
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA; Institute of Bioinformatics, International Technology Park, Bangalore, Karnataka, India; Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham, Kollam, Kerala, India
| | - Mayank Saraswat
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA; Institute of Bioinformatics, International Technology Park, Bangalore, Karnataka, India; Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Kishore Garapati
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA; Institute of Bioinformatics, International Technology Park, Bangalore, Karnataka, India; Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Rana Chakraborty
- Division of Pediatric Infectious Diseases, Mayo Clinic, Rochester, Minnesota, USA; Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
| | - Hideki Ebihara
- Department of Molecular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Jie Sun
- The Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA; Department of Immunology, Mayo Clinic, Rochester, Minnesota, USA; Division of Pulmonary and Critical Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Akhilesh Pandey
- Department of Laboratory Medicine and Pathology, Division of Clinical Biochemistry and Immunology, Mayo Clinic, Rochester, Minnesota, USA; Center for Molecular Medicine, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India; Center for Individualized Medicine, Mayo Clinic, Rochester, Minnesota, USA.
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Burchill MA, Salomon MP, Golden-Mason L, Wieland A, Maretti-Mira AC, Gale M, Rosen HR. Single-cell transcriptomic analyses of T cells in chronic HCV-infected patients dominated by DAA-induced interferon signaling changes. PLoS Pathog 2021; 17:e1009799. [PMID: 34370798 PMCID: PMC8376199 DOI: 10.1371/journal.ppat.1009799] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 08/19/2021] [Accepted: 07/13/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic infection with HCV is manifested by dysregulation of innate immune responses and impaired T cell function at multiple levels. These changes may impact susceptibility to other infections, responsiveness to antiviral therapies, vaccine responsiveness, and development of complications such as hepatocellular carcinoma. Highly effective direct-acting antiviral (DAA) therapy has revolutionized the management of chronic HCV, with expected cure rates exceeding 95%. DAA treatment represents a unique opportunity to investigate to what extent elimination of viral replication and chronic antigen stimulation can restore immunologic phenotype. In this study we interrogated the global transcriptional profile of isolated peripheral blood T cells before, during and after IFN-free DAA therapy using single-cell mRNA sequencing. Our results demonstrate that T cells mapped at single-cell resolution have dramatic transcriptomic changes early after initiation of DAA and many of these changes are sustained after completion of DAA therapy. Specifically, we see a significant reduction in transcripts associated with innate immune activation and interferon signaling such as ISG15, ISG20, IFIT3, OAS and MX1 in many different T cell subsets. Furthermore, we find an early upregulation of a gene involved in suppression of immune activation, DUSP1, in circulating T cells. Conclusion: This study provides the first in-depth transcriptomic analysis at the single-cell level of patients undergoing DAA therapy, demonstrating that IFN-free antiviral therapy in chronic HCV infection induces hitherto unrecognized shifts in innate immune and interferon signaling within T cell populations early, during, and long-term after treatment. The present study provides a rich data source to explore the effects of DAA treatment on bulk T cells.
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Affiliation(s)
- Matthew A. Burchill
- Division of Gastroenterology & Hepatology, University of Colorado, Aurora, Colorado, United States of America
| | - Matthew P. Salomon
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Lucy Golden-Mason
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
- Division of Gastrointestinal and Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
- Research Center for Liver Disease (RCLD), University of Southern California, Los Angeles, California, United States of America
| | - Amanda Wieland
- Division of Gastroenterology & Hepatology, University of Colorado, Aurora, Colorado, United States of America
| | - Ana C. Maretti-Mira
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
- Division of Gastrointestinal and Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
- Research Center for Liver Disease (RCLD), University of Southern California, Los Angeles, California, United States of America
| | - Michael Gale
- Center for Innate Immunity and Immune Disease, Department of Immunology, University of Washington, Seattle, Washington, United States of America
| | - Hugo R. Rosen
- Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
- Division of Gastrointestinal and Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
- Research Center for Liver Disease (RCLD), University of Southern California, Los Angeles, California, United States of America
- * E-mail:
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49
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Domaszewska T, Zyla J, Otto R, Kaufmann SHE, Weiner J. Gene Set Enrichment Analysis Reveals Individual Variability in Host Responses in Tuberculosis Patients. Front Immunol 2021; 12:694680. [PMID: 34421903 PMCID: PMC8375662 DOI: 10.3389/fimmu.2021.694680] [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: 04/13/2021] [Accepted: 07/19/2021] [Indexed: 11/22/2022] Open
Abstract
Group-aggregated responses to tuberculosis (TB) have been well characterized on a molecular level. However, human beings differ and individual responses to infection vary. We have combined a novel approach to individual gene set analysis (GSA) with the clustering of transcriptomic profiles of TB patients from seven datasets in order to identify individual molecular endotypes of transcriptomic responses to TB. We found that TB patients differ with respect to the intensity of their hallmark interferon (IFN) responses, but they also show variability in their complement system, metabolic responses and multiple other pathways. This variability cannot be sufficiently explained with covariates such as gender or age, and the molecular endotypes are found across studies and populations. Using datasets from a Cynomolgus macaque model of TB, we revealed that transcriptional signatures of different molecular TB endotypes did not depend on TB progression post-infection. Moreover, we provide evidence that patients with molecular endotypes characterized by high levels of IFN responses (IFN-rich), suffered from more severe lung pathology than those with lower levels of IFN responses (IFN-low). Harnessing machine learning (ML) models, we derived gene signatures classifying IFN-rich and IFN-low TB endotypes and revealed that the IFN-low signature allowed slightly more reliable overall classification of TB patients from non-TB patients than the IFN-rich one. Using the paradigm of molecular endotypes and the ML-based predictions allows more precisely tailored treatment regimens, predicting treatment-outcome with higher accuracy and therefore bridging the gap between conventional treatment and precision medicine.
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Affiliation(s)
- Teresa Domaszewska
- Department of Immunology, Max Planck Institute for Infection Biology, Berlin, Germany
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Joanna Zyla
- Department of Data Science and Engineering, Silesian University of Technology, Gliwice, Poland
| | - Raik Otto
- Knowledge Management in Bioinformatics, Institute for Computer Science, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Stefan H. E. Kaufmann
- Department of Immunology, Max Planck Institute for Infection Biology, Berlin, Germany
- Max Planck Institute for Biophysical Chemistry, Emeritus Group Systems Immunology, Göttingen, Germany
- Hagler Institute for Advanced Study, Texas A&M University, College Station, TX, United States
| | - January Weiner
- Department of Immunology, Max Planck Institute for Infection Biology, Berlin, Germany
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50
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De M, Bhushan A, Chinnaswamy S. Monocytes differentiated into macrophages and dendritic cells in the presence of human IFN-λ3 or IFN-λ4 show distinct phenotypes. J Leukoc Biol 2021; 110:357-374. [PMID: 33205487 PMCID: PMC7611425 DOI: 10.1002/jlb.3a0120-001rrr] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 10/29/2020] [Accepted: 11/01/2020] [Indexed: 12/13/2022] Open
Abstract
Human IFN-λ4 is expressed by only a subset of individuals who possess the ΔG variant allele at the dinucleotide polymorphism rs368234815. Recent genetic studies have shown an association between rs368234815 and different infectious and inflammatory disorders. It is not known if IFN-λ4 has immunomodulatory activity. The expression of another type III IFN, IFN-λ3, is also controlled by genetic polymorphisms that are strongly linked to rs368234815. Therefore, it is of interest to compare these two IFNs for their effects on immune cells. Herein, using THP-1 cells, it was confirmed that IFN-λ4 could affect the differentiation status of macrophage-like cells and dendritic cells (DCs). The global gene expression changes induced by IFN-λ4 were also characterized in in vitro generated primary macrophages. Next, human PBMC-derived CD14+ monocytes were used to obtain M1 and M2 macrophages and DCs in the presence of IFN-λ3 or IFN-λ4. These DCs were cocultured with CD4+ Th cells derived from allogenic donors and their in vitro cytokine responses were measured. The specific activity of recombinant IFN-λ4 was much lower than that of IFN-λ3, as shown by induction of IFN-stimulated genes. M1 macrophages differentiated in the presence of IFN-λ4 showed higher IL-10 secretion than those differentiated in IFN-λ3. Coculture experiments suggested that IFN-λ4 could confer a Th2-biased phenotype to allogenic Th cells, wherein IFN-λ3, under similar circumstances, did not induce a significant bias toward either a Th1 or Th2 phenotype. This study shows for the first time that IFN-λ4 may influence immune responses by immunomodulation.
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Affiliation(s)
- Manjarika De
- National Institute of Biomedical GenomicsKalyaniWest BengalIndia
| | - Anand Bhushan
- National Institute of Biomedical GenomicsKalyaniWest BengalIndia
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