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Ghafouri F, Dehghanian Reyhan V, Sadeghi M, Miraei-Ashtiani SR, Kastelic JP, Barkema HW, Shirali M. Integrated Analysis of Transcriptome Profiles and lncRNA-miRNA-mRNA Competing Endogenous RNA Regulatory Network to Identify Biological Functional Effects of Genes and Pathways Associated with Johne's Disease in Dairy Cattle. Noncoding RNA 2024; 10:38. [PMID: 39051372 PMCID: PMC11270299 DOI: 10.3390/ncrna10040038] [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: 04/12/2024] [Revised: 06/25/2024] [Accepted: 06/27/2024] [Indexed: 07/27/2024] Open
Abstract
Paratuberculosis or Johne's disease (JD), a chronic granulomatous gastroenteritis caused by Mycobacterium avium subsp. paratuberculosis (MAP), causes huge economic losses and reduces animal welfare in dairy cattle herds worldwide. At present, molecular mechanisms and biological functions involved in immune responses to MAP infection of dairy cattle are not clearly understood. Our purpose was to integrate transcriptomic profiles and competing endogenous RNA (ceRNA) network analyses to identify key messenger RNAs (mRNAs) and regulatory RNAs involved in molecular regulation of peripheral blood mononuclear cells (PBMCs) for MAP infection in dairy cattle. In total, 28 lncRNAs, 42 miRNAs, and 370 mRNAs were identified by integrating gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses. In this regard, we identified 21 hub genes (CCL20, CCL5, CD40, CSF2, CXCL8, EIF2AK2, FOS, IL10, IL17A, IL1A, IL1B, IRF1, MX2, NFKB1, NFKBIA, PTGS2, SOCS3, TLR4, TNF, TNFAIP3, and VCAM1) involved in MAP infection. Furthermore, eight candidate subnets with eight lncRNAs, 29 miRNAs, and 237 mRNAs were detected through clustering analyses, whereas GO enrichment analysis of identified RNAs revealed 510, 22, and 11 significantly enriched GO terms related to MAP infection in biological process, molecular function, and cellular component categories, respectively. The main metabolic-signaling pathways related to MAP infection that were enriched included the immune system process, defense response, response to cytokine, leukocyte migration, regulation of T cell activation, defense response to bacterium, NOD-like receptor, B cell receptor, TNF, NF-kappa B, IL-17, and T cell receptor signaling pathways. Contributions of transcriptome profiles from MAP-positive and MAP-negative sample groups plus a ceRNA regulatory network underlying phenotypic differences in the intensity of pathogenicity of JD provided novel insights into molecular mechanisms associated with immune system responses to MAP infection in dairy cattle.
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Affiliation(s)
- Farzad Ghafouri
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran; (F.G.); (V.D.R.); (S.R.M.-A.)
| | - Vahid Dehghanian Reyhan
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran; (F.G.); (V.D.R.); (S.R.M.-A.)
| | - Mostafa Sadeghi
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran; (F.G.); (V.D.R.); (S.R.M.-A.)
| | - Seyed Reza Miraei-Ashtiani
- Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj 77871-31587, Iran; (F.G.); (V.D.R.); (S.R.M.-A.)
| | - John P. Kastelic
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; (J.P.K.); (H.W.B.)
| | - Herman W. Barkema
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada; (J.P.K.); (H.W.B.)
| | - Masoud Shirali
- School of Biological Sciences, Queen’s University Belfast, Belfast BT9 5AJ, UK
- Agri-Food and Biosciences Institute, Hillsborough BT26 6DR, UK
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Sato K, Nakamura T, Morimatsu M, Agui T. Functional Analysis of Oligoadenylate Synthetase in the Emu ( Dromaius novaehollandiae). Animals (Basel) 2024; 14:1579. [PMID: 38891626 PMCID: PMC11171313 DOI: 10.3390/ani14111579] [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: 05/01/2024] [Revised: 05/24/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
2'-5'-oligoadenylate synthetase (OAS) is one of the proteins that act as a defense mechanism against foreign RNA in cells. OAS has two functions: an antiviral effect against a wide range of virus species via the OAS/RNase L pathway with synthesized oligoadenylates and inhibition of viral replication specific to viruses of the genus Flavivirus, which is independent of enzymatic activity. Several birds have been reported to possess only one type of OAS family member, OASL, which has both enzymatic activity and inhibitory effects on flaviviral replication. However, the ostrich has two types of OASs, OAS1 and OASL, which show different functions-enzymatic and anti-flaviviral activities, respectively. In this study, emu OASs were cloned to investigate their sequence and function and elucidate the role of OASs in emus. The cloning results showed that emus had OAS1 and OASL, suggesting that emu OASs were more closely related to ostrich than to other birds. Functional investigations showed that emu OAS1 and OASL had enzymatic and anti-flaviviral activities, respectively, similar to those of the ostrich. Emus and ostriches are evolutionarily different from most birds and may be more closely related to mammalian OAS diversity.
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Affiliation(s)
- Keisuke Sato
- Laboratory of Laboratory Animal Science and Medicine, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan; (T.N.); (M.M.); (T.A.)
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3
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Prelli Bozzo C, Laliberté A, De Luna A, Pastorio C, Regensburger K, Krebs S, Graf A, Blum H, Volcic M, Sparrer KMJ, Kirchhoff F. Replication competent HIV-guided CRISPR screen identifies antiviral factors including targets of the accessory protein Nef. Nat Commun 2024; 15:3813. [PMID: 38714682 PMCID: PMC11076291 DOI: 10.1038/s41467-024-48228-x] [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: 12/06/2023] [Accepted: 04/24/2024] [Indexed: 05/10/2024] Open
Abstract
Innate antiviral factors are essential for effective defense against viral pathogens. However, the identity of major restriction mechanisms remains elusive. Current approaches to discover antiviral factors usually focus on the initial steps of viral replication and are limited to a single round of infection. Here, we engineered libraries of >1500 replication-competent HIV-1 constructs each expressing a single gRNAs to target >500 cellular genes for virus-driven discovery of antiviral factors. Passaging in CD4+ T cells robustly enriched HIV-1 encoding sgRNAs against GRN, CIITA, EHMT2, CEACAM3, CC2D1B and RHOA by >50-fold. Using an HIV-1 library lacking the accessory nef gene, we identified IFI16 as a Nef target. Functional analyses in cell lines and primary CD4+ T cells support that the HIV-driven CRISPR screen identified restriction factors targeting virus entry, transcription, release and infectivity. Our HIV-guided CRISPR technique enables sensitive discovery of physiologically relevant cellular defense factors throughout the entire viral replication cycle.
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Affiliation(s)
| | - Alexandre Laliberté
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Aurora De Luna
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Chiara Pastorio
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Kerstin Regensburger
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | - Stefan Krebs
- Laboratory for Functional Genome Analysis Gene Center, LMU Munich, 81377, Munich, Germany
| | - Alexander Graf
- Laboratory for Functional Genome Analysis Gene Center, LMU Munich, 81377, Munich, Germany
| | - Helmut Blum
- Laboratory for Functional Genome Analysis Gene Center, LMU Munich, 81377, Munich, Germany
| | - Meta Volcic
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany
| | | | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, 89081, Ulm, Germany.
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Chang H, Wu H, Hou P, Aizaz M, Yang R, Xiang A, Qi W, He H, Wang H. DLG1 promotes the antiviral innate immune response by inhibiting p62-mediated autophagic degradation of IKKε. J Virol 2023; 97:e0150123. [PMID: 37982618 PMCID: PMC10734446 DOI: 10.1128/jvi.01501-23] [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: 09/25/2023] [Accepted: 10/15/2023] [Indexed: 11/21/2023] Open
Abstract
IMPORTANCE The type-I interferon (IFN-I) signaling pathway is the first line of antiviral innate immunity. It must be precisely regulated against virus-induced damage. The tightly regulated mechanisms of action of host genes in the antiviral innate immune signaling pathway are still worth studying. Here, we report a novel role of DLG1 in positively regulating the IκB kinase epsilon (IKKε)-mediated IFN-I signaling response against negative-stranded RNA virus replication, whereas the RNA virus inhibits the expression of DLG1 for immune escape. Importantly, the E3 ligase March2 interacts with and promotes K27-linked polyubiquitination of IKKε, and p62 is a cargo receptor that recognizes ubiquitinated IKKε for eventual autophagic degradation. Together, the current findings elucidate the role of DLG1 in the antiviral IFN-I signaling pathway and viral infection repression.
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Affiliation(s)
- Huasong Chang
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Hao Wu
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Peili Hou
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Muhammad Aizaz
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, China
| | - Rukun Yang
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Aibiao Xiang
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Wenjing Qi
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Hongbin He
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
| | - Hongmei Wang
- Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, Shandong, China
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5
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Chen J, Li P, Zou W, Jiang Y, Li L, Hao P, Gao Z, Qu Q, Pang Z, Zhuang X, Nan F, Jin N, Du S, Li C. Identification of a Novel Interferon Lambda Splice Variant in Chickens. J Virol 2023; 97:e0174322. [PMID: 36877044 PMCID: PMC10062172 DOI: 10.1128/jvi.01743-22] [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: 11/08/2022] [Accepted: 02/08/2023] [Indexed: 03/07/2023] Open
Abstract
Type III interferons (IFNLs) have critical roles in the host's innate immune system, also serving as the first line against pathogenic infections of mucosal surfaces. In mammals, several IFNLs have been reported; however, only limited data on the repertoire of IFNLs in avian species is available. Previous studies showed only one member in chicken (chIFNL3). Herein, we identified a novel chicken IFNL for the first time, termed chIFNL3a, which contains 354 bp, and encodes 118 amino acids. The predicted protein is 57.1% amino acid identity with chIFNL. Genetic, evolutionary, and sequence analyses indicated that the new open reading frame (ORF) groups with type III chicken IFNs represent a novel splice variant. Compared to IFNs from different species, the new ORF is clustered within the type III IFNs group. Further study showed that chIFNL3a could activate a panel of IFN-regulated genes and function mediated by the IFNL receptor, and chIFNL3a markedly inhibited the replication of Newcastle disease virus (NDV) and influenza virus in vitro. These data collectively shed light on the repertoire of IFNs in avian species and provide useful information that further elucidate the interaction of the chIFNLs and viral infection of poultry. IMPORTANCE Interferons (IFNs) are critical soluble factors in the immune system, and are composed of 3 types (I, II, and III) that utilize different receptor complexes (IFN-αR1/IFN-αR2, IFN-γR1/IFN-γR2, and IFN-λR1/IL-10R2, respectively). Herein, we identified IFNL from the genomic sequences of chicken and termed it chIFNL3a, located on chromosome 7 of chicken. Phylogenetically clustered with all known types of chicken IFNs, the finding of this IFN is considered a type III IFN. To further evaluate the biological properties of chIFNL3a, the target protein was prepared by the baculovirus expression system (BES), which could markedly inhibit the replication of NDV and influenza viruses. In this study, we uncovered a new interferon lambda splice variant of chicken, termed chIFNL3a, which could inhibit viral replication in cells. Importantly, these novel findings may extend to other viruses, offering a new direction for therapeutic interventions.
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Affiliation(s)
- Jing Chen
- College of Veterinary Medicine, Key Lab for Zoonoses Research, Ministry of Education, Jilin University, Changchun, China
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Peiheng Li
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Wancheng Zou
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yuhang Jiang
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Letian Li
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Pengfei Hao
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Zihan Gao
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Qiaoqiao Qu
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Zhaoxia Pang
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Xinyu Zhuang
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Fulong Nan
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Ningyi Jin
- College of Veterinary Medicine, Key Lab for Zoonoses Research, Ministry of Education, Jilin University, Changchun, China
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Shouwen Du
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Chang Li
- Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
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Immune Functions of Astrocytes in Viral Neuroinfections. Int J Mol Sci 2023; 24:ijms24043514. [PMID: 36834929 PMCID: PMC9960577 DOI: 10.3390/ijms24043514] [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: 12/14/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Neuroinfections of the central nervous system (CNS) can be triggered by various pathogens. Viruses are the most widespread and have the potential to induce long-term neurologic symptoms with potentially lethal outcomes. In addition to directly affecting their host cells and inducing immediate changes in a plethora of cellular processes, viral infections of the CNS also trigger an intense immune response. Regulation of the innate immune response in the CNS depends not only on microglia, which are fundamental immune cells of the CNS, but also on astrocytes. These cells align blood vessels and ventricle cavities, and consequently, they are one of the first cell types to become infected after the virus breaches the CNS. Moreover, astrocytes are increasingly recognized as a potential viral reservoir in the CNS; therefore, the immune response initiated by the presence of intracellular virus particles may have a profound effect on cellular and tissue physiology and morphology. These changes should be addressed in terms of persisting infections because they may contribute to recurring neurologic sequelae. To date, infections of astrocytes with different viruses originating from genetically distinct families, including Flaviviridae, Coronaviridae, Retroviridae, Togaviridae, Paramyxoviridae, Picomaviridae, Rhabdoviridae, and Herpesviridae, have been confirmed. Astrocytes express a plethora of receptors that detect viral particles and trigger signaling cascades, leading to an innate immune response. In this review, we summarize the current knowledge on virus receptors that initiate the release of inflammatory cytokines from astrocytes and depict the involvement of astrocytes in immune functions of the CNS.
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The antiviral activity of tripartite motif protein 38 in hepatitis B virus replication and gene expression and its association with treatment responses during PEG-IFN-α antiviral therapy. Virology 2023; 579:84-93. [PMID: 36623352 DOI: 10.1016/j.virol.2022.12.014] [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: 11/14/2022] [Revised: 12/27/2022] [Accepted: 12/27/2022] [Indexed: 12/29/2022]
Abstract
Hepatitis B virus (HBV) infection represents one of the most critical health problems worldwide. Tripartite motif protein 38 (TRIM38) is an interferon-stimulated gene (ISG) that inhibits various DNA and RNA viruses.In this study, we found a mechanistic correlation between TRIM38 expression levels and the efficacy of HBV infection and IFN-α therapy in patients with CHB. TRIM38 was highly induced by IFN-alpha (IFN-α) in vivo and in vitro. TRIM38 overexpression inhibited HBV replication and gene expression in HepG2 and HepG2.2.15 cells, whereas knockdown of TRIM38 increased these processes. Further experiments indicated that TRIM38 protein enhanced the antiviral effect of IFN-α by enhancing the expression of antiviral proteins. A prospective study revealed high TRIM38 levels in peripheral blood PBMCs were from early responders, and increased TRIM38 expression correlated with a better response to PEG-IFN-α therapy. Taken together, our study suggests that TRIM38 plays a vital role in HBV replication and gene expression.
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Wu Y, Chen D, Hu Y, Zhang S, Dong X, Liang H, Liang M, Zhu Y, Tan C, An S, Zhu X, Yuan J, Li M, He Z. Ring Finger Protein 215 Negatively Regulates Type I IFN Production via Blocking NF-κB p65 Activation. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:2012-2021. [PMID: 36426941 DOI: 10.4049/jimmunol.2200346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 09/14/2022] [Indexed: 12/31/2022]
Abstract
Germline-encoded pattern recognition receptors (PRRs) recognize molecules frequently found in pathogens (pathogen-associated molecular patterns [PAMPs]) during viral infection. This process induces production of IFNs, leading to expression of IFN-stimulated genes to establish a cellular antiviral state against viral infection. However, aberrant activation of the IFN system may cause immunopathological damage and systemic autoimmune diseases such as systemic lupus erythematosus. Stringent control of IFN signaling activation is critical for maintaining homoeostasis of the immune system; yet, the mechanisms responsible for its precise regulation remain to be elucidated. In this study, we identified that ring finger protein 215 (RNF215), a zinc finger protein, was upregulated by viral infection in human macrophages. In addition, we demonstrated that RNF215 inhibited the production of type I IFNs at least in part via interacting with p65, a subunit of NF-κB, and repressed the accumulation of NF-κB in the promoter region of IFNB1. Moreover, we found that the expression of RNF215 negatively correlated with type I IFNs in patients with systemic lupus erythematosus, indicating that RNF215 plays an important role in the pathogenesis of autoimmune diseases. Collectively, our data identified RNF215 as a key negative regulator of type I IFNs and suggested RNF215 as a potential target for intervention in diseases with aberrant IFN production.
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Affiliation(s)
- Yun Wu
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Hematology, Shangrao People's Hospital, Shangrao, China
| | - Delin Chen
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yiwen Hu
- Changsha Customs District P. R. China, Changsha, China
| | - Shuqing Zhang
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xinhuai Dong
- Cancer Institute, Southern Medical University, Guangzhou, China
| | - Hao Liang
- Cancer Institute, Southern Medical University, Guangzhou, China
| | - Minqi Liang
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yujia Zhu
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Chahui Tan
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Shu An
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xun Zhu
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, Guangzhou, China; and
| | - Jie Yuan
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Mengfeng Li
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Cancer Institute, Southern Medical University, Guangzhou, China
| | - Zhenjian He
- Key Laboratory of Tropical Disease Control, Ministry of Education, Sun Yat-sen University, Guangzhou, China.,School of Public Health, Sun Yat-sen University, Guangzhou, China
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9
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Luo H, Zhou X. Bioinformatics analysis of potential common pathogenic mechanisms for COVID-19 infection and primary Sjogren’s syndrome. Front Immunol 2022; 13:938837. [PMID: 35958619 PMCID: PMC9360424 DOI: 10.3389/fimmu.2022.938837] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/01/2022] [Indexed: 12/04/2022] Open
Abstract
BackgroundAccumulating evidence has revealed that the prevalence of Coronavirus 2019 (COVID-19) was significantly higher in patients with primary Sjogren’s syndrome (pSS) compared to the general population. However, the mechanism remains incompletely elucidated. This study aimed to further investigate the molecular mechanisms underlying the development of this complication.MethodsThe gene expression profiles of COVID-19 (GSE157103) and pSS (GSE40611) were downloaded from the Gene Expression Omnibus (GEO) database. After identifying the common differentially expressed genes (DEGs) for pSS and COVID-19, functional annotation, protein-protein interaction (PPI) network, module construction and hub gene identification were performed. Finally, we constructed transcription factor (TF)-gene regulatory network and TF-miRNA regulatory network for hub genes.ResultsA total of 40 common DEGs were selected for subsequent analyses. Functional analyses showed that cellular components and metabolic pathways collectively participated in the development and progression of pSS and COVID-19. Finally, 12 significant hub genes were identified using the cytoHubba plugin, including CMPK2, TYMS, RRM2, HERC5, IFI44L, IFI44, IFIT2, IFIT1, IFIT3, MX1, CDCA2 and TOP2A, which had preferable values as diagnostic markers for COVID-19 and pSS.ConclusionsOur study reveals common pathogenesis of pSS and COVID-19. These common pathways and pivotal genes may provide new ideas for further mechanistic studies.
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Affiliation(s)
- Hong Luo
- Department of Tuberculosis and Respiratory, Wuhan Jinyintan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xia Zhou
- Department of Tuberculosis and Respiratory, Wuhan Jinyintan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Clinical Research Center for Infectious Diseases, Wuhan, China
- Wuhan Research Center for Communicable Disease Diagnosis and Treatment, Chinese Academy of Medical Sciences, Wuhan, China
- Joint Laboratory of Infectious Diseases and Health, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, Wuhan, China
- *Correspondence: Xia Zhou,
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10
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Fonseka CL, Hardman CS, Woo J, Singh R, Nahler J, Yang J, Chen YL, Kamaladasa A, Silva T, Salimi M, Gray N, Dong T, Malavige GN, Ogg GS. Dengue virus co-opts innate type 2 pathways to escape early control of viral replication. Commun Biol 2022; 5:735. [PMID: 35869167 PMCID: PMC9306424 DOI: 10.1038/s42003-022-03682-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 07/06/2022] [Indexed: 12/13/2022] Open
Abstract
Mast cell products and high levels of type 2 cytokines are associated with severe dengue disease. Group 2 innate lymphoid cells (ILC2) are type-2 cytokine-producing cells that are activated by epithelial cytokines and mast cell-derived lipid mediators. Through ex vivo RNAseq analysis, we observed that ILC2 are activated during acute dengue viral infection, and show an impaired type I-IFN signature in severe disease. We observed that circulating ILC2 are permissive for dengue virus infection in vivo and in vitro, particularly when activated through prostaglandin D2 (PGD2). ILC2 underwent productive dengue virus infection, which was inhibited through CRTH2 antagonism. Furthermore, exogenous IFN-β induced expression of type I-IFN responsive anti-viral genes by ILC2. PGD2 downregulated type I-IFN responsive gene and protein expression; and urinary prostaglandin D2 metabolite levels were elevated in severe dengue. Moreover, supernatants from activated ILC2 enhanced monocyte infection in a GM-CSF and mannan-dependent manner. Our results indicate that dengue virus co-opts an innate type 2 environment to escape early type I-IFN control and facilitate viral dissemination. PGD2 downregulates type I-IFN induced anti-viral responses in ILC2. CRTH2 antagonism may be a therapeutic strategy for dengue-associated disease.
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Affiliation(s)
- Chathuranga L Fonseka
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Department of Medicine, Faculty of Medicine, University of Ruhuna, Galle, Sri Lanka
| | - Clare S Hardman
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jeongmin Woo
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- MRC WIMM Centre for Computational Biology, Medical Research Council (MRC) Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Randeep Singh
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Janina Nahler
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jiahe Yang
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Yi-Ling Chen
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Achala Kamaladasa
- Allergy Immunology and Cell Biology Unit, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - Tehani Silva
- Allergy Immunology and Cell Biology Unit, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
- General Sir John Kotelawala Defence University, Rathmalana, Sri Lanka
| | - Maryam Salimi
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Nicki Gray
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- MRC WIMM Centre for Computational Biology, Medical Research Council (MRC) Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Tao Dong
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Chinese Academy of Medical Science (CAMS) Oxford Institute (COI), University of Oxford, Oxford, UK
| | - Gathsaurie N Malavige
- Allergy Immunology and Cell Biology Unit, Department of Immunology and Molecular Medicine, University of Sri Jayewardenepura, Nugegoda, Sri Lanka
| | - Graham S Ogg
- MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
- Chinese Academy of Medical Science (CAMS) Oxford Institute (COI), University of Oxford, Oxford, UK.
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11
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TBK1 Mediates Innate Antiviral Immune Response against Duck Enteritis Virus. Viruses 2022; 14:v14051008. [PMID: 35632751 PMCID: PMC9145522 DOI: 10.3390/v14051008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/01/2022] [Accepted: 05/04/2022] [Indexed: 02/01/2023] Open
Abstract
Duck enteritis virus (DEV) can infect several types of waterfowl can cause high mortality and huge economic losses to the global waterfowl industry. Type I interferons (IFN) are important for host defense against virus infection through induction of antiviral effector molecules. TANK-binding kinase 1 (TBK1) is a key kinase required for the induction of type I IFNs; however, the role of TBK1 on DEV infection remains unclear. Here, we observed that the expression levels of TBK1 and IFN-β were upregulated during DEV infection in vivo and in vitro. Thus, the function of TBK1 on DEV infection was determined. The results showed that overexpression of TBK1 reduced DEV infection and knockdown of TBK1 resulted in the increased of DEV infection. Additionally, TBK1 overexpression upregulated the expression of IFN-β and a few interferon-stimulated genes (ISGs), which thus inhibited the synthesis of DEV glycoprotein B. On the other hand, the TBK1 inhibitor Amlexanox down-regulated the expression levels of IFN-β and IRF3. Interestingly, the expression levels of MAVS and GSK-3β were decreased in the cells treated with Amlexanox. Furthermore, overexpression of TBK1 activated the expression of upstream molecules MAVS and GSK-3β. Whereas, the expression of TBK1, IRF3 and IFN-β was inhibited by the GSK-3β inhibitor SB216763. Our findings suggest that DEV–stimulated TBK1 may be involved in defense against DEV infection.
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12
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Zhuang Y, Huang H, Liu XL, Wang NA, Zhong GF. Effect of bovine lactoferricin on the growth performance, digestive capacity, immune responses and disease resistance in Pacific white shrimp, Penaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2022; 123:282-289. [PMID: 35306176 DOI: 10.1016/j.fsi.2022.03.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 03/12/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
The present study evaluated the growth performance, digestive enzyme activity, non-specific immunity, immunity and growth genes in Penaeus vannamei fed diets supplemented with Bovine lactoferricin (the basal diet without Bovine lactoferricin, the control; 1.0‰ Bovine lactoferricin,LCB1; 1.5‰ Bovine lactoferricin,LCB1.5; 2.0‰ Bovine lactoferricin, LCB2; 2.5‰ Bovine lactoferricin, LCB2.5) for 56 days. The feeding trial showed that the final weight, weight gain rate, and specific growth rate of the shrimp were improved significantly, while the feed conversion ratio was reduced significantly in the LCB1.5 group compared to the control (P < 0.05). The challenge test of Vibrio parahaemolyticus showed that the cumulative mortalities of shrimp in the LCB1.5, LCB2 and LCB2.5 groups were significantly lower than that in the control (P < 0.05). Compared with the control, Lipase and Trypsin activities in the hepatopancreas of LCB1.5 and LCB2 groups were significantly enhanced (P < 0.05). Compared with the control, alkaline phosphatase, acid phosphatase activities in the hepatopancreas and the relative expression levels of Relish, Toll, JAK, STAT, TOR, Raptor, 4E-BP, eIF4E1α, eIF4E2 genes in the hepatopancreas of LCB1.5, LCB2 and LCB2.5 groups were all significantly enhanced (P < 0.05). These results suggested that dietary Bovine lactoferricin could improve the growth performance, digestive capacity and immune responses of shrimp. When resistance against Vibrio parahaemolyticus in shrimp is considered, high dosage of Bovine lactoferricin showed a better effect than low dosage of Bovine lactoferricin. However, high dosage of Bovine lactoferricin can have a negative impact on the growth performance of shrimp. Considering collectively the above, Bovine lactoferricin could improve the growth performance, digestive enzymes activities, immune responses and disease resistance of P. vannamei.
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Affiliation(s)
- Yi Zhuang
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, 201306, China
| | - He Huang
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, 201306, China
| | - Xue-Liang Liu
- Zhejiang Hangzhou Tiao Wang Biological Technology Co., Ltd., Hangzhou, 310015, China
| | - Nu-An Wang
- South China Agricultural University, Guangzhou, 510640, China
| | - Guo-Fang Zhong
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, 201306, China; Centre for Research on Environmental Ecology and Fish Nutrition (CREEFN) of the Ministry of Agriculture, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Freshwater Aquatic Genetic Resources, Ministry of Agriculture, Shanghai, 201306, China.
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13
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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: 31] [Impact Index Per Article: 15.5] [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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14
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Liu P, Zhang Y, Zhang S, Peng C, Yang W, Li X, Zhang C, Li M, Han J, Lu Y. Integrative overview of IFITMs family based on Bioinformatics analysis. Intractable Rare Dis Res 2021; 10:165-172. [PMID: 34466338 PMCID: PMC8397817 DOI: 10.5582/irdr.2021.01041] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/26/2021] [Accepted: 05/13/2021] [Indexed: 01/11/2023] Open
Abstract
Human interferon-induced transmembrane proteins (IFITMs) family is a multi-functional biomacromolecule family playing a critical role in various physiological processes, such as, antiviral immunity, tumor suppression, and bone formation. Although there are many studies proving that a subset of tumors strongly links to the changes of IFITMs, the link between different IFITMs mutant types and diverse tumors has not been studied thoroughly. To investigate the law of expression among IFITMs internal members and the linking of IFITMs mutant types and cancers, online databases were used to pool together relevant data for bioinformatics analysis. Here, we summarize mutations, expression, and functions of human IFITMs, analyze diverse expression levels of IFITMs in physiological and pathological tissues, predict protein-protein interaction (PPI) networks, and target miRNAs and relevant signaling pathways of IFITMs. The results show that IFITM1, IFITM2, and IFITM3 have similar motif pattern constructions and physiological functions, while IFITM5 and IFITM10 show far diversity from them. Particularly, IFITM1-3, in conjunction with interacting proteins, is strongly related to development and overall survival rates of a portion of cancers, including renal cancer and uveal melanoma (UVM). This trait may make IFITM1-3 become a prognostic marker of cancers. Meanwhile, hsa_circ_0116375 has been found as the common circRNA for IFITM2, IFITM3, IFITM5, and IFITM10.
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Affiliation(s)
- Pengchao Liu
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Yongtao Zhang
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Shanshan Zhang
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Chuanming Peng
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Wei Yang
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Xianxian Li
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Chao Zhang
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Mian Li
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Jinxiang Han
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
| | - Yanqin Lu
- Department of Endocrinology, The First Affiliated Hospital of Shandong First Medical University, Ji’nan, Shandong, China
- Key Laboratory for Biotech-Drugs of National Health Commission, Key Laboratory for Rare & Uncommon Diseases of Shandong Province, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Ji’nan, Shandong, China
- Address correspondence to:Yanqin Lu, Shandong First Medical University & Shandong Academy of Medical Sciences. # 6699 Qingdao Road, Ji'nan 250117, China. E-mail:
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15
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Tian C, Xiang M. Therapeutic Agents Against COVID-19 with Clinical Evidence. Curr Pharm Des 2021; 27:1608-1617. [PMID: 33459226 DOI: 10.2174/1381612827666210114150951] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 11/22/2020] [Accepted: 12/14/2020] [Indexed: 01/10/2023]
Abstract
Over 57 million people have been confirmed to have coronavirus disease 2019 (COVID-19) worldwide. Although several drugs have shown potential therapeutic effects, there is no specific drug against COVID-19. In this review, we summarized potential therapeutic agents against COVID-19 with clinical evidence, including antiviral agents, anti-cytokine storm syndrome agents, and vaccines, as well as other drugs. In addition, we briefly discussed their effects on COVID-19, which will contribute to developing treatment plans.
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Affiliation(s)
- Cheng Tian
- Department of Pharmacology, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ming Xiang
- Department of Pharmacology, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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16
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Huang Y, Ren Q. Innate immune responses against viral pathogens in Macrobrachium. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 117:103966. [PMID: 33338519 DOI: 10.1016/j.dci.2020.103966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/27/2020] [Accepted: 12/09/2020] [Indexed: 06/12/2023]
Abstract
Some members of genus Macrobrachium are important economically prawns and valuable objects for studying the innate immune defense mechanism of crustaceans. Studies have focused on immune responses against bacterial and fungal infections and have expanded to include antiviral immunity over the past two decades. Similar to all living organisms, prawns are exposed to viruses, including white spot syndrome virus, Macrobrachium rosenbergii nodavirus, and Decapod iridescent virus 1 and develop effective defense mechanisms. Here, we review current understanding of the antiviral host defense in two species of Macrobrachium. The main antiviral defense of Macrobrachium is the activation of intracellular signaling cascades, leading to the activation of cellular responses (apoptosis) and humoral responses (immune-related signaling pathways, antimicrobial and antiviral peptides, lectins, and prophenoloxidase-activating system).
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Affiliation(s)
- Ying Huang
- College of Oceanography, Hohai University, 1 Xikang Road, Nanjing, Jiangsu, 210098, China
| | - Qian Ren
- College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, Jiangsu, 210023, China.
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17
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He L, Yang L, Zhang H, Luo Q. Efficacy and safety of interferon on neonates with respiratory syncytial virus pneumonia. Exp Ther Med 2020; 20:220. [PMID: 33193835 PMCID: PMC7646691 DOI: 10.3892/etm.2020.9350] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 09/08/2020] [Indexed: 12/14/2022] Open
Abstract
Respiratory syncytial virus (RSV) pneumonia is a leading cause of hospitalization and mortality among neonates worldwide, and there are currently no specific clinical treatments for RSV infection. Interferons (IFNs) possess broad-spectrum antiviral properties, and the present study aimed to evaluate the efficacy and safety of IFN-α1b for the treatment of neonatal RSV pneumonia. Neonates with RSV pneumonia were divided into the treatment (126 neonates) and control (160 neonates) groups, the former of which were treated with IFN. Aside from IFN administration, both groups received the same routine treatments. There were no significant differences in patient characteristics between the two groups. All neonates in the two groups displayed symptoms such as a cough (93.0%), tachypnea (90.1%), perilabial cyanosis (67.8%), choking on milk (62.9%) and moist rales (58.4%), and no significant differences in the occurrence of these symptoms were observed between the groups (P>0.05). The percentage of cases with bacterial co-infection was 66.8% (191/286), and the bacterial species in the spectrum primarily included Escherichia coli (21.5%), Klebsiella pneumonia (20.4%), Staphylococcus aureus (17.2%), Acihetobacter baumanii (13.1%) and Pseudomonas aeruginosa (9.9%). There were no significant differences in the co-infection rate or bacterial spectrum between the two groups. The remission time of cough, tachypnea, choking on milk, perilabial cyanosis, moist rales and oxygen inhalation in the treatment group was significantly lower compared with the control group (P<0.05). Although the hospitalization time in the treatment group was shorter compared with the control group, the difference was not significant. There were two patients in the treatment group that developed fever within 2-6 h after receiving IFN-α1b, though no other adverse effects were observed. In conclusion, IFN-α1b treatment improved the symptoms associated with neonatal RSV pneumonia with minimal adverse effects.
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Affiliation(s)
- Lingyun He
- Scientific Research and Education Section, Chongqing Health Center for Women and Children, Chongqing 401120, P.R. China
- Neonatal Department, Children's Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Lu Yang
- Department of Breast and Thyriod Surgery, Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, P.R. China
| | - Hua Zhang
- Scientific Research and Education Section, Chongqing Health Center for Women and Children, Chongqing 401120, P.R. China
| | - Qian Luo
- Scientific Research and Education Section, Chongqing Health Center for Women and Children, Chongqing 401120, P.R. China
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18
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Wang S, Ling Y, Yao Y, Zheng G, Chen W. Luteolin inhibits respiratory syncytial virus replication by regulating the MiR-155/SOCS1/STAT1 signaling pathway. Virol J 2020; 17:187. [PMID: 33239033 PMCID: PMC7688008 DOI: 10.1186/s12985-020-01451-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 11/05/2020] [Indexed: 02/07/2023] Open
Abstract
Background Respiratory syncytial virus (RSV) is a major cause of acute lower respiratory tract infection in infants, children, immunocompromised adults, and elderly individuals. Currently, there are few therapeutic options available to prevent RSV infection. The present study aimed to investigate the effects of luteolin on RSV replication and the related mechanisms. Material and methods We pretreated cells and mice with luteolin before infection with RSV, the virus titer, expressions of RSV-F, interferon (IFN)-stimulated genes (ISGs), and production of IFN-α and IFN-β were determined by plaque assay, RT-qPCR, and ELISA, respectively. The activation of Janus kinase (JAK)-signal transducer and activator of transcription 1 (STAT1) signaling pathway was detected by Western blotting and luciferase assay. Proteins which negatively regulate STAT1 were determined by Western blotting. Then cells were transfected with suppressor of cytokine signaling 1 (SOCS1) plasmid and virus replication and ISGs expression were determined. Luciferase reporter assay and Western blotting were performed to detect the relationship between SOCS1 and miR-155. Results Luteolin inhibited RSV replication, as shown by the decreased viral titer and RSV-F mRNA expression both in vitro and in vivo. The antiviral activity of luteolin was attributed to the enhanced phosphorylation of STAT1, resulting in the increased production of ISGs. Further study showed that SOCS1 was downregulated by luteolin and SOCS1 is a direct target of microRNA-155 (miR-155). Inhibition of miR-155 rescued luteolin-mediated SOCS1 downregulation, whereas upregulation of miR-155 enhanced the inhibitory effect of luteolin. Conclusion Luteolin inhibits RSV replication by regulating the miR-155/SOCS1/STAT1 signaling pathway.
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Affiliation(s)
- Saisai Wang
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Yiting Ling
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Yuanyuan Yao
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Gang Zheng
- Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang, People's Republic of China
| | - Wenbin Chen
- Department of Colorectal Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.
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19
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Lee J, Robinson ME, Ma N, Artadji D, Ahmed MA, Xiao G, Sadras T, Deb G, Winchester J, Cosgun KN, Geng H, Chan LN, Kume K, Miettinen TP, Zhang Y, Nix MA, Klemm L, Chen CW, Chen J, Khairnar V, Wiita AP, Thomas-Tikhonenko A, Farzan M, Jung JU, Weinstock DM, Manalis SR, Diamond MS, Vaidehi N, Müschen M. IFITM3 functions as a PIP3 scaffold to amplify PI3K signalling in B cells. Nature 2020; 588:491-497. [PMID: 33149299 PMCID: PMC8087162 DOI: 10.1038/s41586-020-2884-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 08/13/2020] [Indexed: 12/25/2022]
Abstract
Interferon-induced transmembrane protein 3 (IFITM3) has previously been identified as an endosomal protein that blocks viral infection1-3. Here we studied clinical cohorts of patients with B cell leukaemia and lymphoma, and identified IFITM3 as a strong predictor of poor outcome. In normal resting B cells, IFITM3 was minimally expressed and mainly localized in endosomes. However, engagement of the B cell receptor (BCR) induced both expression of IFITM3 and phosphorylation of this protein at Tyr20, which resulted in the accumulation of IFITM3 at the cell surface. In B cell leukaemia, oncogenic kinases phosphorylate IFITM3 at Tyr20, which causes constitutive localization of this protein at the plasma membrane. In a mouse model, Ifitm3-/- naive B cells developed in normal numbers; however, the formation of germinal centres and the production of antigen-specific antibodies were compromised. Oncogenes that induce the development of leukaemia and lymphoma did not transform Ifitm3-/- B cells. Conversely, the phosphomimetic IFITM3(Y20E) mutant induced oncogenic PI3K signalling and initiated the transformation of premalignant B cells. Mechanistic experiments revealed that IFITM3 functions as a PIP3 scaffold and central amplifier of PI3K signalling. The amplification of PI3K signals depends on IFITM3 using two lysine residues (Lys83 and Lys104) in its conserved intracellular loop as a scaffold for the accumulation of PIP3. In Ifitm3-/- B cells, lipid rafts were depleted of PIP3, which resulted in the defective expression of over 60 lipid-raft-associated surface receptors, and impaired BCR signalling and cellular adhesion. We conclude that the phosphorylation of IFITM3 that occurs after B cells encounter antigen induces a dynamic switch from antiviral effector functions in endosomes to a PI3K amplification loop at the cell surface. IFITM3-dependent amplification of PI3K signalling, which in part acts downstream of the BCR, is critical for the rapid expansion of B cells with high affinity to antigen. In addition, multiple oncogenes depend on IFITM3 to assemble PIP3-dependent signalling complexes and amplify PI3K signalling for malignant transformation.
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Affiliation(s)
- Jaewoong Lee
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Mark E Robinson
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Ning Ma
- Department of Computational and Quantitative Medicine, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Dewan Artadji
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Mohamed A Ahmed
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Gang Xiao
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Teresa Sadras
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Gauri Deb
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Janet Winchester
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Kadriye Nehir Cosgun
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Huimin Geng
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Lai N Chan
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Kohei Kume
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Teemu P Miettinen
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.,Medical Research Council Laboratory for Molecular Cell Biology, University College London, London, UK
| | - Ye Zhang
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Matthew A Nix
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Lars Klemm
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA
| | - Chun Wei Chen
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Jianjun Chen
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Vishal Khairnar
- Department of Systems Biology, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Arun P Wiita
- Department of Laboratory Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Andrei Thomas-Tikhonenko
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Michael Farzan
- Department of Immunology and Microbiology, The Scripps Research Institute, Jupiter, FL, USA
| | - Jae U Jung
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - David M Weinstock
- Dana Farber Cancer Institute, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Scott R Manalis
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine in St Louis, St Louis, MO, USA.,Department of Molecular Microbiology, Washington University School of Medicine in St Louis, St Louis, MO, USA.,Department of Pathology and Immunology, Washington University School of Medicine in St Louis, St Louis, MO, USA
| | - Nagarajan Vaidehi
- Department of Computational and Quantitative Medicine, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Markus Müschen
- Center of Molecular and Cellular Oncology, Yale Cancer Center, Yale School of Medicine, New Haven, CT, USA. .,Department of Immunobiology, Yale University, New Haven, CT, USA.
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20
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Chathuranga K, Kim TH, Lee H, Park JS, Kim JH, Chathuranga WAG, Ekanayaka P, Choi YJ, Lee CH, Kim CJ, Jung JU, Lee JS. Negative regulation of NEMO signaling by the ubiquitin E3 ligase MARCH2. EMBO J 2020; 39:e105139. [PMID: 32935379 PMCID: PMC7604578 DOI: 10.15252/embj.2020105139] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 08/07/2020] [Accepted: 08/11/2020] [Indexed: 01/01/2023] Open
Abstract
NF‐κB essential modulator (NEMO) is a key regulatory protein that functions during NF‐κB‐ and interferon‐mediated signaling in response to extracellular stimuli and pathogen infections. Tight regulation of NEMO is essential for host innate immune responses and for maintenance of homeostasis. Here, we report that the E3 ligase MARCH2 is a novel negative regulator of NEMO‐mediated signaling upon bacterial or viral infection. MARCH2 interacted directly with NEMO during the late phase of infection and catalyzed K‐48‐linked ubiquitination of Lys326 on NEMO, which resulted in its degradation. Deletion of MARCH2 resulted in marked resistance to bacterial/viral infection, along with increased innate immune responses both in vitro and in vivo. In addition, MARCH2−/− mice were more susceptible to LPS challenge due to massive production of cytokines. Taken together, these findings provide new insight into the molecular regulation of NEMO and suggest an important role for MARCH2 in homeostatic control of innate immune responses.
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Affiliation(s)
| | - Tae-Hwan Kim
- College of Veterinary Medicine, Chungnam National University, Daejeon, Korea.,Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Korea
| | - Hyuncheol Lee
- College of Veterinary Medicine, Chungnam National University, Daejeon, Korea.,California Institute for Quantitative Biosciences, University of California, Berkeley, CA, USA
| | - Jun-Seol Park
- College of Veterinary Medicine, Chungnam National University, Daejeon, Korea
| | - Jae-Hoon Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, University of Science and Technology (UST), Daejeon, Korea
| | | | - Pathum Ekanayaka
- College of Veterinary Medicine, Chungnam National University, Daejeon, Korea
| | - Youn Jung Choi
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Chul-Ho Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology, University of Science and Technology (UST), Daejeon, Korea
| | - Chul-Joong Kim
- College of Veterinary Medicine, Chungnam National University, Daejeon, Korea
| | - Jae U Jung
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Jong-Soo Lee
- College of Veterinary Medicine, Chungnam National University, Daejeon, Korea
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21
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Jin Z, Liu JY, Feng R, Ji L, Jin ZL, Li HB. Drug treatment of coronavirus disease 2019 (COVID-19) in China. Eur J Pharmacol 2020; 883:173326. [PMID: 32598953 PMCID: PMC7319927 DOI: 10.1016/j.ejphar.2020.173326] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/25/2020] [Accepted: 06/26/2020] [Indexed: 02/07/2023]
Abstract
Since December 2019, the coronavirus disease 2019 (COVID-19) caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has spread throughout China as well as other countries. More than 8,700,000 confirmed COVID-19 cases have been recorded worldwide so far, with much more cases popping up overseas than those inside. As the initial epicenter in the world, China has been combating the epidemic for a relatively longer period and accumulated valuable experience in prevention and control of COVID-19. This article reviewed the clinical use, mechanism and efficacy of the clinically approved drugs recommended in the Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (DTPNCP) released by National Health Commission of P.R.China, and the novel therapeutic agents now undergoing clinical trials approved by China National Medical Products Administration (NMPA) to evaluate experimental treatment for COVID-19. Reviewing the progress in drug development for the treatment against COVID-19 in China may provide insight into the epidemic control in other countries.
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Affiliation(s)
- Zhe Jin
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, PR China
| | - Jing-Yi Liu
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, PR China
| | - Rang Feng
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, PR China
| | - Lu Ji
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, PR China
| | - Zi-Li Jin
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, PR China.
| | - Hai-Bo Li
- National Engineering Research Center of Immunological Products, Department of Microbiology and Biochemical Pharmacy, College of Pharmacy, Third Military Medical University, Chongqing, 400038, PR China.
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22
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Li W, Li J, Sun M, Yang L, Mao L, Hao F, Liu M, Zhang W. Viperin protein inhibits the replication of caprine parainfluenza virus type 3 (CPIV 3) by interaction with viral N protein. Antiviral Res 2020; 184:104903. [PMID: 32800881 DOI: 10.1016/j.antiviral.2020.104903] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 06/18/2020] [Accepted: 07/27/2020] [Indexed: 12/24/2022]
Abstract
Caprine parainfluenza virus type3 (CPIV3) is a newly identified member of Paramyxoviridae family. CPIV3 is highly prevalence in China and showed pathogenicity to goats; in addition, CPIV3 infection causes severe clinical disease under stress and/or co-infection conditions. Viperin is one of the hundreds of interferon-stimulated genes (ISGs), and possesses a wide range of antiviral activities. The aim of this study was to systemically explore the anti-CPIV3 activity of ruminants' Viperin. CPIV3 infection up-regulated Viperin transcription but not protein expression in MDBK cells. Bovine and caprine Viperin genes (bVi and gVi) were amplified and analyzed by BLAST and multiple alignment. The obtained bVi/gVi amino acid sequences showed 99.5%-100% identity with previously submitted sequences and has variants at N-terminal domain (1-70aa) between each other. The pcDNA3.1 plasmids containing bVi and gVi genes were constructed to over-express the target proteins. CPIV3 was inoculated in MDBK cells over-expressing bVi/gVi and viral load was detected by qRT-PCR, virus titration and Western blot. Both of the bVi and gVi significantly inhibited CPIV3 genome copy numbers and viral titers at 24 and 48 hpi (P < 0.01); and viral N protein expression was also decreased, comparing with those of mock transfected group. The last 50aa C-terminal region was crucial for its anti-CPIV3 activity. In addition, the over-expression of bVi/gVi did not influence CPIV3 binding, entry and release in the cells. These results indicated the anti-CPIV3 activity occurred in viral RNA/protein synthesis progress of the viral replication cycle. The Viperin also showed similar inhibitory effect on different CPIV3 strains. The potential interaction of Viperin with viral proteins (N, P, C and V) was determined by confocal laser scanning microscopy and Co-IP assay. Co-localization of Viperin with N, P or C, but not V, was observed; while only N protein direct interacted with Viperin in Co-IP test, no matter using viral protein expressing plasmids transfected or CPIV3 infected cell samples. In conclusion, the bVi and gVi Viperin effectively inhibited CPIV3 replication potentially via the interaction of Viperin with viral N protein. The present results gave more information about antiviral activity of ruminants Viperin and provided foundation for further studies of the interaction of Viperin with CPIV3 and other related viruses.
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Affiliation(s)
- Wenliang Li
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China; School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China.
| | - Jizong Li
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China; School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Min Sun
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Leilei Yang
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Li Mao
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Fei Hao
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Maojun Liu
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China; School of Food and Biological Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Wenwen Zhang
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
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23
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Abstract
Flaviviruses are a genus of mostly arthropod-borne RNA viruses that cause a range of pathologies in humans. Basic knowledge on flaviviruses is rapidly expanding, partly due to their status as frequent emerging or re-emerging pathogens. Flaviviruses include the dengue, Zika, West Nile, tick-borne encephalitis and yellow fever viruses (DENV, ZIKV, WNV, TBEV and YFV, respectively). As is the case with other families of viruses, the success of productive infection of human cells by flaviviruses depends in part on the antiviral activity of a heterogeneous group of cellular antiviral proteins called restriction factors. Restriction factors are the effector proteins of the cell-autonomous innate response against viruses, an immune pathway that also includes virus sensors as well as intracellular and extracellular signal mediators such as type I interferons (IFN-I). In this review, I summarize recent progress toward the identification and characterization of flavivirus restriction factors. In particular, I focus on IFI6, Schlafen 11, FMRP, OAS-RNase L, RyDEN, members of the TRIM family of proteins (TRIM5α, TRIM19, TRIM56, TRIM69 and TRIM79α) and a new mechanism of action proposed for viperin. Recent and future studies on this topic will lead to a more complete picture of the flavivirus restrictome, defined as the ensemble of cellular factors with demonstrated anti-flaviviral activity.
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24
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Jin J, Xu H, Wu R, Gao N, Wu N, Li S, Niu J. Identification of key genes and pathways associated with different immune statuses of hepatitis B virus infection. J Cell Mol Med 2019; 23:7474-7489. [PMID: 31565863 PMCID: PMC6815815 DOI: 10.1111/jcmm.14616] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 07/18/2019] [Accepted: 08/06/2019] [Indexed: 02/06/2023] Open
Abstract
We aimed to identify key genes and pathways associated with different immune statuses of hepatitis B virus (HBV) infection. The gene expression and DNA methylation profiles were analysed in different immune statuses of HBV infection. Differentially expressed genes (DEGs) and differentially methylated genes (DMGs) were identified, followed by their functional and integrative analyses. The differential expression of IgG Fc receptors (FcγRs) in chronic HBV-infected patients and immune cells during different stages of HBV infection was investigated. Toll-like receptor (TLR) signalling pathway (including TLR6) and leucocyte transendothelial migration pathway (including integrin subunit beta 1) were enriched during acute infection. Key DEGs, such as FcγR Ib and FcγR Ia, and interferon-alpha inducible protein 27 showed correlation with alanine aminotransferase levels, and they were differentially expressed between acute and immune-tolerant phases and between immune-tolerant and immune-clearance phases. The integrative analysis of DNA methylation profile showed that lowly methylated and highly expressed genes, including cytotoxic T lymphocyte-associated protein 4 and mitogen-activated protein kinase 3 were enriched in T cell receptor signalling pathway during acute infection. Highly methylated and lowly expressed genes, such as Ras association domain family member 1 and cyclin-dependent kinase inhibitor 2A were identified in chronic infection. Furthermore, differentially expressed FcγR Ia, FcγR IIa and FcγR IIb, CD3- CD56+ CD16+ natural killer cells and CD14high CD16+ monocytes were identified between immune-tolerant and immune-clearance phases by experimental validation. The above genes and pathways may be used to distinguish different immune statuses of HBV infection.
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MESH Headings
- DNA Methylation/genetics
- DNA Methylation/immunology
- Female
- Gene Expression/genetics
- Hepatitis B/genetics
- Hepatitis B/immunology
- Hepatitis B virus/immunology
- Hepatitis B, Chronic/genetics
- Hepatitis B, Chronic/immunology
- Hepatitis B, Chronic/virology
- Humans
- Killer Cells, Natural/immunology
- Male
- Receptors, Antigen, T-Cell/genetics
- Receptors, Antigen, T-Cell/immunology
- Receptors, IgG/genetics
- Receptors, IgG/immunology
- Signal Transduction/genetics
- T-Lymphocytes, Cytotoxic/immunology
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Affiliation(s)
- Jinglan Jin
- Department of Hepatology, The First Hospital of Jilin UniversityJilin UniversityChangchunChina
| | - Hongqin Xu
- Department of Hepatology, The First Hospital of Jilin UniversityJilin UniversityChangchunChina
- Jilin Province Key Laboratory of Infectious DiseasesLaboratory of Molecular VirologyChangchunChina
| | - Ruihong Wu
- Department of Hepatology, The First Hospital of Jilin UniversityJilin UniversityChangchunChina
- Jilin Province Key Laboratory of Infectious DiseasesLaboratory of Molecular VirologyChangchunChina
| | - Na Gao
- Department of Infectious DiseaseThe Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhouChina
| | - Na Wu
- Lanshan People’s HospitalLinyiChina
| | - Shibo Li
- Department of Pediatrics, Genetics LaboratoryUniversity of Oklahoma Health Sciences Center (OUHSC)Oklahoma CityOKUSA
| | - Junqi Niu
- Department of Hepatology, The First Hospital of Jilin UniversityJilin UniversityChangchunChina
- Jilin Province Key Laboratory of Infectious DiseasesLaboratory of Molecular VirologyChangchunChina
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25
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Yang L, Luo M, He J, Zuo H, Weng S, He J, Xu X. A JAK-STAT pathway target gene encoding a single WAP domain (SWD)-containing protein from Litopenaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2019; 89:555-563. [PMID: 30999041 DOI: 10.1016/j.fsi.2019.04.046] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Revised: 04/11/2019] [Accepted: 04/12/2019] [Indexed: 06/09/2023]
Abstract
In shrimp, the JAK-STAT pathway is essentially implicated in both antiviral and antibacterial responses. However, few regulatory target genes of the JAK-STAT pathway in shrimp have been reported so far. In this study, a novel single WAP domain-containing peptide (LvSWD4) was identified from Pacific white shrimp Litopenaeus vannamei. The promoter of LvSWD4 was predicted to harbor multiple STAT-binding DNA motifs. Over-expression of the JAK-STAT pathway components STAT, JAK and Domeless in vitro significantly enhanced the transcriptional activity of the LvSWD4 promoter, and in vivo silencing of STAT and the the JAK-STAT pathway upstream regulator IRF down-regulated the expression of LvSWD4, suggesting that LvSWD4 could be a target gene of the JAK-STAT pathway. The expression of LvSWD4 was significantly increased after infection with Gram-negative and positive bacteria, fungi and virus, and silencing of LvSWD4 increased the susceptibility of shrimp to V. parahaemolyticus and WSSV infections. In vitro experiments also demonstrated that the recombinant LvSWD4 protein had significant inhibitory activities against Gram negative bacteria V. parahaemolyticus and E. coli and Gram positive bacteria S. aureus and B. subtilis. Furthermore, silencing of LvSWD4 in vivo significantly affected expression of various immune functional genes and attenuated the phagocytic activity of hemocytes. These suggested that as a target gene of STAT, LvSWD4 was essentially implicated in shrimp immunity, which could constitute part of the mechanism underlying the immune function of the shrimp JAK-STAT pathway.
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Affiliation(s)
- Linwei Yang
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Mengting Luo
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Jianhui He
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Hongliang Zuo
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Shaoping Weng
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Jianguo He
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China; South China Sea Resource Exploitation and Protection Collaborative Innovation Center (SCS-REPIC), Guangzhou, PR China
| | - Xiaopeng Xu
- MOE Key Laboratory of Aquatic Product Safety, State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China; South China Sea Resource Exploitation and Protection Collaborative Innovation Center (SCS-REPIC), Guangzhou, PR China.
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26
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Khan R, Khan A, Ali A, Idrees M. The interplay between viruses and TRIM family proteins. Rev Med Virol 2019; 29:e2028. [PMID: 30609250 DOI: 10.1002/rmv.2028] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/11/2018] [Accepted: 11/13/2018] [Indexed: 12/20/2022]
Abstract
Novel therapeutic options are urgently needed to improve the global treatment of viral infections. Tripartite motif (TRIM) family proteins are involved in various biological and cellular functions including differentiation, development, proliferation, oncogenesis, innate immunity, and viral autophagy. Various TRIM proteins show antiviral properties against different viral infections and are now transitioning from ubiquitin proteins to an efficient and emerging therapeutic class of proteins. TRIM proteins combat viruses by targeting them at pre/post transcription levels. This review summarizes the comprehensive roles of different TRIM proteins along with their expression systems and their applications towards antiviral therapeutics.
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Affiliation(s)
- Ramisha Khan
- Molecular Virology Laboratory, Centre for Applied Molecular Biology (CAMB), 87-West Canal Bank Road Thokar Niaz Baig, University of the Punjab, Lahore, Pakistan
| | - Amna Khan
- Institute of Quality and Technology Management, University of the Punjab, Lahore, Pakistan
| | - Amjad Ali
- Molecular Virology Laboratory, Centre for Applied Molecular Biology (CAMB), 87-West Canal Bank Road Thokar Niaz Baig, University of the Punjab, Lahore, Pakistan.,Department of Genetics, Hazara University, Mansehra, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Idrees
- Molecular Virology Laboratory, Centre for Applied Molecular Biology (CAMB), 87-West Canal Bank Road Thokar Niaz Baig, University of the Punjab, Lahore, Pakistan.,Hazara University, Mansehra, Khyber Pakhtunkhwa, Pakistan
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27
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High level expression of ISG12(1) promotes cell apoptosis via mitochondrial-dependent pathway and so as to hinder Newcastle disease virus replication. Vet Microbiol 2018; 228:147-156. [PMID: 30593361 DOI: 10.1016/j.vetmic.2018.11.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 11/14/2018] [Accepted: 11/16/2018] [Indexed: 12/25/2022]
Abstract
Newcastle disease (ND), caused by virulent Newcastle disease virus (NDV), poses a considerable risk for the poultry industry. A comprehensive understanding of the interaction between NDV and its host is therefore critical for control of this disease. Previously, we found that chicken ISG12(1) was among the significantly upregulated interferon-stimulated genes (ISGs) in embryos and the bursa of Fabricius of chickens infected by NDV, based on transcriptome sequencing. However, its antiviral effects and function were poorly understood. In this study, we aimed to determine the effects of chicken ISG12(1) on NDV replication. First, we confirmed that NDV infection stimulated high level expression of chicken ISG12(1) in vivo and in vitro based on RT-qPCR. Next, through overexpression and knockdown experiments, the antiviral activity of ISG12(1) was investigated. As expected, this protein was found to hinder NDV replication. In addition, we showed that ISG12(1) localized to the mitochondria; promoted the redistribution of Bax, a proapoptotic protein causing irreversible loss of mitochondrial function, from the cytoplasm to the mitochondria; and therefore induced cell apoptosis. In conclusion, elucidation of the role of chicken ISG12(1) in combatting NDV infection contributes to our understanding of the responses of poultry to viruses and may facilitate the generation of more efficient vaccines to control ND.
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28
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Lee AJ, Ashkar AA. The Dual Nature of Type I and Type II Interferons. Front Immunol 2018; 9:2061. [PMID: 30254639 PMCID: PMC6141705 DOI: 10.3389/fimmu.2018.02061] [Citation(s) in RCA: 416] [Impact Index Per Article: 69.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/21/2018] [Indexed: 12/31/2022] Open
Abstract
Type I and type II interferons (IFN) are central to both combating virus infection and modulating the antiviral immune response. Indeed, an absence of either the receptor for type I IFNs or IFN-y have resulted in increased susceptibility to virus infection, including increased virus replication and reduced survival. However, an emerging area of research has shown that there is a dual nature to these cytokines. Recent evidence has demonstrated that both type I and type II IFNs have immunoregulatory functions during infection and type II immune responses. In this review, we address the dual nature of type I and type II interferons and present evidence that both antiviral and immunomodulatory functions are critical during virus infection to not only limit virus replication and initiate an appropriate antiviral immune response, but to also negatively regulate this response to minimize tissue damage. Both the activating and negatively regulatory properties of type I and II IFNs work in concert with each other to create a balanced immune response that combats the infection while minimizing collateral damage.
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Affiliation(s)
- Amanda J Lee
- Department of Pathology and Molecular Medicine, McMaster Immunology Research Centre, McMaster University, Hamilton, ON, Canada
| | - Ali A Ashkar
- Department of Pathology and Molecular Medicine, McMaster Immunology Research Centre, McMaster University, Hamilton, ON, Canada
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29
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Gestational diabetes exacerbates maternal immune activation effects in the developing brain. Mol Psychiatry 2018; 23:1920-1928. [PMID: 28948973 PMCID: PMC6459194 DOI: 10.1038/mp.2017.191] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 07/04/2017] [Accepted: 07/13/2017] [Indexed: 11/09/2022]
Abstract
Maternal inflammation and diabetes increase the risk for psychiatric disorders in offspring. We hypothesized that these co-occurring risk factors may potentiate each other. To test this, we maternally exposed developing mice in utero to gestational diabetes mellitus (GDM) and/or maternal immune activation (MIA). Fetal mouse brains were exposed to either vehicle, GDM, MIA or GDM+MIA. At gestational day (GD) 12.5, GDM produced a hyperglycemic, hyperleptinemic maternal state, whereas MIA produced significant increases in proinflammatory cytokines and chemokines. Each condition alone resulted in an altered, inflammatory and neurodevelopmental transcriptome profile. In addition, GDM+MIA heightened the maternal inflammatory state and gave rise to a new, specific transcriptional response. This exacerbated response was associated with pathways implicated in psychiatric disorders, including dopamine neuron differentiation and innate immune response. Based on these data, we hypothesize that children born to GDM mothers and exposed to midgestation infections have an increased vulnerability to psychiatric disorder later in life, and this should be tested in follow-up epidemiological studies.
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30
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Li M, Xu X, Jiang Z, Liu C, Shi X, Qi G, Li Y, Chen X, Huang Q, Mao H, Hu C. Fish SAMHD1 performs as an activator for IFN expression. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2018; 86:138-146. [PMID: 29753769 DOI: 10.1016/j.dci.2018.05.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/11/2018] [Accepted: 05/07/2018] [Indexed: 06/08/2023]
Abstract
As a host limiting factor, Sterile Alpha Motif and Histidine-Aspartate Domain 1 protein (SAMHD1) is associated with IRF3-mediated antiviral and apoptotic responses in mammals. However, the antiviral mechanism of SAMHD1 remains indistinct in fish. In this study, we found the expression of Ctenopharyngodon idella SAMHD1 (MF326081) was up-regulated after transfection with poly I:C (dsRNA analog), B-DNA or Z-DNA into C. idella kidney cells (CIKs), but these expression profiles had no obvious change when the cells were incubated with these nucleic acids. These data may indicate that CiSAMHD1 participates in the intracellular PRR-mediated signaling pathway rather than extracellular PRR-mediated signaling pathway. Subcellular localization assay suggested that a part of over-expressed CiSAMHD1 were translocated from nuclear to cytoplasm when C. idella ovary cells (COs) were transfected with poly I:C, B-DNA or Z-DNA. Nucleic acid pulldown assays were performed to investigate the reason for nuclear-cytoplasm translocation of CiSAMHD1. The results showed that CiSAMHD1 had a high affinity with B-DNA, Z-DNA and ISD-PS (dsRNA analog). In addition, co-IP assays revealed the interaction of CiSAMHD1 with CiSTING (KF494194). Taken together, all these results suggest that grass carp SAMHD1 performs as an activator for innate immune response through STING-mediated signaling pathway.
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Affiliation(s)
- Meifeng Li
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Xiaowen Xu
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Zeyin Jiang
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Changxin Liu
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Xiao Shi
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Guoqin Qi
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Yinping Li
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Xin Chen
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Qingli Huang
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Huiling Mao
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China
| | - Chengyu Hu
- College of Life Science, Key Lab of Aquatic Resources and Utilization of Jiangxi Province, Nanchang University, Nanchang, 330031, China.
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Lulli D, Carbone ML, Pastore S. Epidermal growth factor receptor inhibitors trigger a type I interferon response in human skin. Oncotarget 2018; 7:47777-47793. [PMID: 27322144 PMCID: PMC5216978 DOI: 10.18632/oncotarget.10013] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 05/29/2016] [Indexed: 12/16/2022] Open
Abstract
The Epidermal Growth Factor Receptor (EGFR) is centrally involved in the regulation of key processes of the epithelia, including cell proliferation, survival, differentiation, and also tumorigenesis. Humanized antibodies and small-molecule inhibitors targeting EGFR were developed to disrupt these functions in cancer cells and are currently used in the treatment of diverse metastatic epithelial cancers. By contrast, these drugs possess significant skin-specific toxic effects, comprising the establishment of a persistent inflammatory milieu. So far, the molecular mechanisms underlying these epiphenomena have been investigated rather poorly. Here we showed that keratinocytes respond to anti-EGFR drugs with the development of a type I interferon molecular signature. Upregulation of the transcription factor IRF1 is early implicated in the enhanced expression of interferon-kappa, leading to persistent activation of STAT1 and further amplification of downstream interferon-induced genes, including anti-viral effectors and chemokines. When anti-EGFR drugs are associated to TNF-α, whose expression is enhanced by the drugs themselves, all these molecular events undergo a dramatic enhancement by synergy mechanisms. Finally, high levels of interferon-kappa can be observed in epidermal keratinocytes and also in leukocytes infiltrating the upper dermis of cetuximab-driven skin lesions. Our data suggest that dysregulated activation of type I interferon innate immunity is implicated in the molecular processes triggered by anti-EGFR drugs and leading to persistent skin inflammation.
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Affiliation(s)
- Daniela Lulli
- Laboratory of Experimental Immunology, IDI-IRCCS, Fondazione Luigi M. Monti, Rome, Italy
| | - Maria Luigia Carbone
- Laboratory of Experimental Immunology, IDI-IRCCS, Fondazione Luigi M. Monti, Rome, Italy
| | - Saveria Pastore
- Laboratory of Experimental Immunology, IDI-IRCCS, Fondazione Luigi M. Monti, Rome, Italy
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Ershov FI, Narovlyansky AN. THEORETICAL AND APPLIED ASPECTS OF THE INTERFERON SYSTEM: TO THE 60TH ANNIVERSARY OF THE DISCOVERY OF INTERFERONS. Vopr Virusol 2018; 63:10-18. [PMID: 36494992 DOI: 10.18821/0507-4088-2018-63-1-10-18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Indexed: 12/13/2022]
Abstract
The review contains a brief analysis of the 60-year history of the discovery, study and medical application of interferons, a new group of remarkable proteins that have found wide medical application in the therapy of virological, oncological, neurological, ophthalmic and other pathologies. Modern data on the classification of interferons and the mechanisms of their action are given. Particular attention is paid to the clinical use of medications of interferon and its inducers.
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Affiliation(s)
- F I Ershov
- National Research Center for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya
| | - A N Narovlyansky
- National Research Center for Epidemiology and Microbiology named after the honorary academician N.F. Gamaleya
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33
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DUSP1 regulates apoptosis and cell migration, but not the JIP1-protected cytokine response, during Respiratory Syncytial Virus and Sendai Virus infection. Sci Rep 2017; 7:17388. [PMID: 29234123 PMCID: PMC5727028 DOI: 10.1038/s41598-017-17689-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 11/29/2017] [Indexed: 12/20/2022] Open
Abstract
The host antiviral response involves the induction of interferons and proinflammatory cytokines, but also the activation of cell death pathways, including apoptosis, to limit viral replication and spreading. This host defense is strictly regulated to eliminate the infection while limiting tissue damage that is associated with virus pathogenesis. Post-translational modifications, most notably phosphorylation, are key regulators of the antiviral defense implying an important role of protein phosphatases. Here, we investigated the role of the dual-specificity phosphatase 1 (DUSP1) in the host defense against human respiratory syncytial virus (RSV), a pathogenic virus of the Pneumoviridae family, and Sendai virus (SeV), a model virus being developed as a vector for anti-RSV vaccine. We found that DUSP1 is upregulated before being subjected to proteasomal degradation. DUSP1 does not inhibit the antiviral response, but negatively regulates virus-induced JNK/p38 MAPK phosphorylation. Interaction with the JNK-interacting protein 1 scaffold protein prevents dephosphorylation of JNK by DUSP1, likely explaining that AP-1 activation and downstream cytokine production are protected from DUSP1 inhibition. Importantly, DUSP1 promotes SeV-induced apoptosis and suppresses cell migration in RSV-infected cells. Collectively, our data unveils a previously unrecognized selective role of DUSP1 in the regulation of tissue damage and repair during infections by RSV and SeV.
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Zhang WC, Du LJ, Zheng XJ, Chen XQ, Shi C, Chen BY, Sun XN, Li C, Zhang YY, Liu Y, Xiao H, Leng Q, Jiang X, Zhang Z, Sun S, Duan SZ. Elevated sodium chloride drives type I interferon signaling in macrophages and increases antiviral resistance. J Biol Chem 2017; 293:1030-1039. [PMID: 29203528 DOI: 10.1074/jbc.m117.805093] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 11/28/2017] [Indexed: 12/20/2022] Open
Abstract
Type I IFN production and signaling in macrophages play critical roles in innate immune responses. High salt (i.e. high concentrations of NaCl) has been proposed to be an important environmental factor that influences immune responses in multiple ways. However, it remains unknown whether high salt regulates type I IFN production and signaling in macrophages. Here, we demonstrated that high salt promoted IFNβ production and its signaling in both human and mouse macrophages, and consequentially primed macrophages for strengthened immune sensing and signaling when challenged with viruses or viral nucleic acid analogues. Using both pharmacological inhibitors and RNA interference we showed that these effects of high salt on IFNβ signaling were mediated by the p38 MAPK/ATF2/AP1 signaling pathway. Consistently, high salt increased resistance to vesicle stomatitis virus (VSV) infection in vitro. In vivo data indicated that a high-salt diet protected mice from lethal VSV infection. Taken together, these results identify high salt as a crucial regulator of type I IFN production and signaling, shedding important new light on the regulation of innate immune responses.
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Affiliation(s)
- Wu-Chang Zhang
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Lin-Juan Du
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011.,the Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Shanghai 200031
| | - Xiao-Jun Zheng
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011.,the Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Shanghai 200031
| | - Xiao-Qing Chen
- the Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200030, and
| | - Chaoji Shi
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Bo-Yan Chen
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Xue-Nan Sun
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011.,the Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Shanghai 200031
| | - Chao Li
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011.,the Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Shanghai 200031
| | - Yu-Yao Zhang
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011.,the Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, University of the Chinese Academy of Sciences, Shanghai 200031
| | - Yan Liu
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Hui Xiao
- the Institut Pasteur of Shanghai, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Qibin Leng
- the Institut Pasteur of Shanghai, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xinquan Jiang
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Zhiyuan Zhang
- From the Ninth People's Hospital, School of Stomatology and.,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Shuyang Sun
- From the Ninth People's Hospital, School of Stomatology and .,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
| | - Sheng-Zhong Duan
- From the Ninth People's Hospital, School of Stomatology and .,the Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai 200011
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Verrier ER, Colpitts CC, Bach C, Heydmann L, Zona L, Xiao F, Thumann C, Crouchet E, Gaudin R, Sureau C, Cosset FL, McKeating JA, Pessaux P, Hoshida Y, Schuster C, Zeisel MB, Baumert TF. Solute Carrier NTCP Regulates Innate Antiviral Immune Responses Targeting Hepatitis C Virus Infection of Hepatocytes. Cell Rep 2017; 17:1357-1368. [PMID: 27783949 PMCID: PMC5098118 DOI: 10.1016/j.celrep.2016.09.084] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 08/10/2016] [Accepted: 09/26/2016] [Indexed: 12/18/2022] Open
Abstract
Chronic hepatitis B, C, and D virus (HBV, HCV, and HDV) infections are the leading causes of liver disease and cancer worldwide. Recently, the solute carrier and sodium taurocholate co-transporter NTCP has been identified as a receptor for HBV and HDV. Here, we uncover NTCP as a host factor regulating HCV infection. Using gain- and loss-of-function studies, we show that NTCP mediates HCV infection of hepatocytes and is relevant for cell-to-cell transmission. NTCP regulates HCV infection by augmenting the bile-acid-mediated repression of interferon-stimulated genes (ISGs), including IFITM3. In conclusion, our results uncover NTCP as a mediator of innate antiviral immune responses in the liver, and they establish a role for NTCP in the infection process of multiple viruses via distinct mechanisms. Collectively, our findings suggest a role for solute carriers in the regulation of innate antiviral responses, and they have potential implications for virus-host interactions and antiviral therapies. NTCP is involved in hepatocyte infection by multiple viruses via distinct mechanisms NTCP facilitates HCV infection by modulating innate antiviral responses Solute carrier NTCP is a regulator of antiviral immune responses in the liver This function is relevant for infection and therapies for hepatotropic viruses
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Affiliation(s)
- Eloi R Verrier
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Che C Colpitts
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Charlotte Bach
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Laura Heydmann
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Laetitia Zona
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Fei Xiao
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Christine Thumann
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Emilie Crouchet
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Raphaël Gaudin
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Camille Sureau
- INTS, Laboratoire de Virologie Moléculaire, 75015 Paris, France
| | - François-Loïc Cosset
- CIRI-International Center for Infectiology Research, 69364 Lyon Cedex 07, France; INSERM, U1111, 69007 Lyon, France; Ecole Normale Supérieure, 69007 Lyon, France; Centre National de la Recherche Scientifique (CNRS) UMR 5308, 69007 Lyon, France; LabEx Ecofect, University of Lyon, 69007 Lyon, France
| | - Jane A McKeating
- Centre for Human Virology, University of Birmingham, Birmingham, UK; NIHR Liver Biomedical Research Unit, University of Birmingham, Birmingham, UK
| | - Patrick Pessaux
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France; Institut Hospitalo-universitaire, Pôle Hépato-digestif, Nouvel Hôpital Civil, 67000 Strasbourg, France
| | - Yujin Hoshida
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Liver Cancer Program, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Catherine Schuster
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France
| | - Mirjam B Zeisel
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France.
| | - Thomas F Baumert
- INSERM, U1110, Institut de Recherche sur les Maladies Virales et Hépatiques, 67000 Strasbourg, France; Université de Strasbourg, 67000 Strasbourg, France; Institut Hospitalo-universitaire, Pôle Hépato-digestif, Nouvel Hôpital Civil, 67000 Strasbourg, France.
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Yu Z, Song H, Jia M, Zhang J, Wang W, Li Q, Zhang L, Zhao W. USP1-UAF1 deubiquitinase complex stabilizes TBK1 and enhances antiviral responses. J Exp Med 2017; 214:3553-3563. [PMID: 29138248 PMCID: PMC5716033 DOI: 10.1084/jem.20170180] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 03/27/2017] [Accepted: 09/18/2017] [Indexed: 12/14/2022] Open
Abstract
TBK1 is a critical kinase required for the induction of type I IFNs and subsequent cellular antiviral responses. Yu et al. show that USP1–UAF1 deubiquitinase complex removes K48-linked polyubiquitination of TBK1, stabilizes its expression, and thus enhances antiviral responses. Optimal activation of TANK-binding kinase 1 (TBK1) is crucial for initiation of innate antiviral immunity and maintenance of immune homeostasis. Although several E3 ubiquitin ligases have been reported to regulate TBK1 activation by mediating its polyubiquitination, the functions of deubiquitinase on TBK1 activity remain largely unclear. Here, we identified a deubiquitinase complex, which is formed by ubiquitin specific peptidase 1 (USP1) and USP1-associated factor 1 (UAF1), as a viral infection–induced physiological enhancer of TBK1 expression. USP1–UAF1 complex enhanced TLR3/4 and RIG-I–induced IFN regulatory factor 3 (IRF3) activation and subsequent IFN-β secretion. Mechanistically, USP1 and UAF1 bound to TBK1, removed its K48-linked polyubiquitination, and then reversed the degradation process of TBK1. Furthermore, we found that ML323, a specific USP1–UAF1 inhibitor, attenuated IFN-β expression and enhanced viral replication both in vitro and in vivo. Therefore, our results outline a novel mechanism for the control of TBK1 activity and suggest USP1–UAF1 complex as a potential target for the prevention of viral diseases.
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Affiliation(s)
- Zhongxia Yu
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China.,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
| | - Hui Song
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China.,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
| | - Mutian Jia
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China.,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
| | - Jintao Zhang
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China.,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
| | - Wenwen Wang
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China.,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
| | - Qi Li
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China.,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
| | - Lining Zhang
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China
| | - Wei Zhao
- Department of Immunology, Key Laboratory of Infection and Immunity of Shandong Province, School of Basic Medical Science, Shandong University, Jinan, China .,State Key Laboratory of Microbial Technology, Shandong University, Jinan, China
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Banerjee A, Pal A, Pal D, Mitra P. Ebolavirus interferon antagonists—protein interaction perspectives to combat pathogenesis. Brief Funct Genomics 2017; 17:392-401. [DOI: 10.1093/bfgp/elx034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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38
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Li W, Mao L, Cao Y, Zhou B, Yang L, Han L, Hao F, Lin T, Zhang W, Jiang J. Porcine Viperin protein inhibits the replication of classical swine fever virus (CSFV) in vitro. Virol J 2017; 14:202. [PMID: 29061156 PMCID: PMC5654138 DOI: 10.1186/s12985-017-0868-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 10/12/2017] [Indexed: 02/07/2023] Open
Abstract
Background Classical swine fever virus (CSFV) is the causative pathogen of Classical swine fever (CSF), a highly contagious disease of swine. Viperin is one of the hundreds of interferon-stimulated genes (ISGs), and possesses a wide range of antiviral activities. The aim of this study was to explore whether porcine Viperin has the anti-CSFV activity. Method The influences of CSFV infection on Viperin expression and Newcastle disease virus (NDV)/Pseudorabies virus (PRV)-induced Viperin expression were examined in 3D4/21 cells and porcine peripheral blood mononuclear cells (PBMCs). Porcine Viperin gene was amplified to generate cell line PK-Vi over-expressing Viperin. CSFV was inoculated in the cell lines and viral load was detected by qRT-PCR, virus titration and Western blot. The influence of Viperin expression on CSFV binding, entry and release in the cells was also examined. The co-localization of Viperin with CSFV and its proteins (E2, NS5B) was determined by confocal laser scanning microscopy test. Co-IP assay was performed to check the interaction of Viperin with CSFV proteins. Results CSFV infection could not induce Viperin expression in vitro while significantly inhibiting NDV/PRV-induced Viperin expression at 12, 24 and 48 h post infection (hpi; P < 0.05). The proliferation of CSFV in PK-Vi was significantly inhibited at 24, 48 and 72 hpi (P < 0.05), comparing with control cells (PK-C1 expressing EGFP). Virus in both cell culture supernatants and cell pellets were reduced equally. CSFV binding and entry in the cells were not interfered by Viperin expression. These results indicated its anti-CSFV function occurred during the genome and/or protein synthesis step. Confocal laser scanning microscopy test showed the Viperin-EGFP protein co-localized with CSFV E2 protein in CSFV infected PK-Vi cells. Further experiments indicated that Viperin protein co-localized with E2 and NS5B proteins of CSFV in the transfected 293 T cells. Furthermore, Co-IP assay confirmed the interaction of Viperin with E2 protein, but not NS5B. Conclusion Porcine Viperin effectively inhibited CSFV replication in vitro, potentially via the interaction of Viperin with CSFV E2 protein in cytoplasm. The results provided foundation for further studies of the interaction of Viperin with CSFV and other viruses.
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Affiliation(s)
- Wenliang Li
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China.
| | - Li Mao
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Yongguo Cao
- College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Bin Zhou
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Leilei Yang
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Linxiao Han
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China
| | - Fei Hao
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Tao Lin
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD, 57007, USA
| | - Wenwen Zhang
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China
| | - Jieyuan Jiang
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Key Laboratory of Veterinary Biological Engineering and Technology, Ministry of Agriculture, Nanjing, 210014, China.
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39
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Lirussi D, Ebensen T, Schulze K, Trittel S, Duran V, Liebich I, Kalinke U, Guzmán CA. Type I IFN and not TNF, is Essential for Cyclic Di-nucleotide-elicited CTL by a Cytosolic Cross-presentation Pathway. EBioMedicine 2017; 22:100-111. [PMID: 28754303 PMCID: PMC5552247 DOI: 10.1016/j.ebiom.2017.07.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 07/16/2017] [Accepted: 07/17/2017] [Indexed: 02/07/2023] Open
Abstract
Cyclic di-nucleotides (CDN) are potent stimulators of innate and adaptive immune responses. Cyclic di-AMP (CDA) is a promising adjuvant that generates humoral and cellular immunity. The strong STING-dependent stimulation of type I IFN represents a key feature of CDA. However, recent studies suggested that this is dispensable for adjuvanticity. Here we demonstrate that stimulation of IFN-γ-secreting CD8+ cytotoxic T lymphocytes (CTL) is significantly decreased after vaccination in the absence of type I IFN signaling. The biological significance of this CTL response was confirmed by the stimulation of MHC class I-restricted protection against influenza virus challenge. We show here that type I IFN (and not TNF-α) is essential for CDA-mediated cross-presentation by a cathepsin independent, TAP and proteosome dependent cytosolic antigen processing pathway, which promotes effective cross-priming and further CTL induction. Our data clearly demonstrate that type I IFN signaling is critical for CDN-mediated cross-presentation.
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Affiliation(s)
- Darío Lirussi
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany.
| | - Thomas Ebensen
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Kai Schulze
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Stephanie Trittel
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Veronica Duran
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Helmholtz Centre for Infection Research and the Hannover Medical School, Hannover, Germany
| | | | - Ulrich Kalinke
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Helmholtz Centre for Infection Research and the Hannover Medical School, Hannover, Germany
| | - Carlos A Guzmán
- Department of Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
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Selinger M, Wilkie GS, Tong L, Gu Q, Schnettler E, Grubhoffer L, Kohl A. Analysis of tick-borne encephalitis virus-induced host responses in human cells of neuronal origin and interferon-mediated protection. J Gen Virol 2017; 98:2043-2060. [PMID: 28786780 PMCID: PMC5817271 DOI: 10.1099/jgv.0.000853] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Accepted: 06/02/2017] [Indexed: 12/25/2022] Open
Abstract
Tick-borne encephalitis virus (TBEV) is a member of the genus Flavivirus. It can cause serious infections in humans that may result in encephalitis/meningoencephalitis. Although several studies have described the involvement of specific genes in the host response to TBEV infection in the central nervous system (CNS), the overall network remains poorly characterized. Therefore, we investigated the response of DAOY cells (human medulloblastoma cells derived from cerebellar neurons) to TBEV (Neudoerfl strain, Western subtype) infection to characterize differentially expressed genes by transcriptome analysis. Our results revealed a wide panel of interferon-stimulated genes (ISGs) and pro-inflammatory cytokines, including type III but not type I (or II) interferons (IFNs), which are activated upon TBEV infection, as well as a number of non-coding RNAs, including long non-coding RNAs. To obtain a broader view of the pathways responsible for eliciting an antiviral state in DAOY cells we examined the effect of type I and III IFNs and found that only type I IFN pre-treatment inhibited TBEV production. The cellular response to TBEV showed only partial overlap with gene expression changes induced by IFN-β treatment - suggesting a virus-specific signature - and we identified a group of ISGs that were highly up-regulated following IFN-β treatment. Moreover, a high rate of down-regulation was observed for a wide panel of pro-inflammatory cytokines upon IFN-β treatment. These data can serve as the basis for further studies of host-TBEV interactions and the identification of ISGs and/or lncRNAs with potent antiviral effects in cases of TBEV infection in human neuronal cells.
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Affiliation(s)
- Martin Selinger
- Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
- Faculty of Science, University of South Bohemia in České Budějovice, Branišovská 31, 370 05 České Budějovice, Czech Republic
| | - Gavin S. Wilkie
- MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK
| | - Lily Tong
- MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK
| | - Quan Gu
- MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK
| | - Esther Schnettler
- MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK
- Present address: Bernhard Nocht Institute for Tropical Medicine, Bernhard-Nocht-Str. 74, 20359 Hamburg, Germany
| | - Libor Grubhoffer
- Institute of Parasitology, Biology Centre of the Academy of Sciences of the Czech Republic, Branišovská 31, 370 05 České Budějovice, Czech Republic
- Faculty of Science, University of South Bohemia in České Budějovice, Branišovská 31, 370 05 České Budějovice, Czech Republic
| | - Alain Kohl
- MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK
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Pan C, Wang W, Yuan H, Yang L, Chen B, Li D, Chen J. The immediate early protein WSV187 can influence viral replication via regulation of JAK/STAT pathway in Drosophila. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 72:89-96. [PMID: 28232015 DOI: 10.1016/j.dci.2017.02.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Revised: 02/17/2017] [Accepted: 02/18/2017] [Indexed: 06/06/2023]
Abstract
The world production of shrimp is seriously affected by the white spot syndrome virus (WSSV). Viral immediate-early (IE) genes encode regulatory proteins critical for the viral lifecycle. In spite of their importance, only five out of the 21 identified WSSV IE genes are functionally characterized. Here, we report the use of Drosophila melanogaster as a model to explore the role of WSSV IE gene wsv187. In vivo expression of WSV187 in transgenic flies show WSV187 localized in the cytoplasm. Overexpression of wsv187 results wing defects consistent with phenotypes observed in JAK/STAT exacerbated flies. After artificial infection of the DCV virus, the flies expressing wsv187 showed a lower viral load, a higher survival rate and an up-regulated STAT92E expression. These data demonstrate wsv187 plays a role in the controlling of virus replication by activating host JAK/STAT pathway.
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Affiliation(s)
- Changkun Pan
- School of Marine Sciences, Ningbo University, Ningbo 315211, Zhejiang, China; State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, Fujian, China
| | - Wei Wang
- State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, Fujian, China.
| | - Huifang Yuan
- State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, Fujian, China
| | - Lirong Yang
- State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, Fujian, China
| | - Baoru Chen
- State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, Fujian, China
| | - Dengfeng Li
- School of Marine Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Jianming Chen
- State Key Laboratory Breeding Base of Marine Genetic Resources, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, Fujian, China.
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David S, Aguiar P, Antunes L, Dias A, Morais A, Sakuntabhai A, Lavinha J. Variants in the non-coding region of the TLR2 gene associated with infectious subphenotypes in pediatric sickle cell anemia. Immunogenetics 2017; 70:37-51. [DOI: 10.1007/s00251-017-1013-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 06/07/2017] [Indexed: 12/14/2022]
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Xing J, Weng L, Yuan B, Wang Z, Jia L, Jin R, Lu H, Li XC, Liu YJ, Zhang Z. Identification of a role for TRIM29 in the control of innate immunity in the respiratory tract. Nat Immunol 2016; 17:1373-1380. [PMID: 27695001 PMCID: PMC5558830 DOI: 10.1038/ni.3580] [Citation(s) in RCA: 118] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 09/02/2016] [Indexed: 12/13/2022]
Abstract
The respiratory tract is heavily populated with innate immune cells, but the mechanisms that control such cells are poorly defined. Here we found that the E3 ubiquitin ligase TRIM29 was a selective regulator of the activation of alveolar macrophages, the expression of type I interferons and the production of proinflammatory cytokines in the lungs. We found that deletion of TRIM29 enhanced macrophage production of type I interferons and protected mice from infection with influenza virus, while challenge of Trim29-/- mice with Haemophilus influenzae resulted in lethal lung inflammation due to massive production of proinflammatory cytokines by macrophages. Mechanistically, we demonstrated that TRIM29 inhibited interferon-regulatory factors and signaling via the transcription factor NF-κB by degrading the adaptor NEMO and that TRIM29 directly bound NEMO and subsequently induced its ubiquitination and proteolytic degradation. These data identify TRIM29 as a key negative regulator of alveolar macrophages and might have important clinical implications for local immunity and immunopathology.
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Affiliation(s)
- Junji Xing
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
| | | | - Bin Yuan
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
| | - Zhuo Wang
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
| | - Li Jia
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
| | - Rui Jin
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
| | - Hongbo Lu
- Medimmune, Gaithersburg, Maryland, USA
| | - Xian Chang Li
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
- Department of Surgery, Weill Cornell Medical College of Cornell University, New York, New York, USA
| | - Yong-Jun Liu
- Medimmune, Gaithersburg, Maryland, USA
- Institute of Translational Medicine, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Zhiqiang Zhang
- Immunobiology and Transplant Research Center, Houston Methodist Research Institute, Houston, Texas, USA
- Department of Surgery, Weill Cornell Medical College of Cornell University, New York, New York, USA
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44
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Interferon-Stimulated Gene 15 Conjugation Stimulates Hepatitis B Virus Production Independent of Type I Interferon Signaling Pathway In Vitro. Mediators Inflamm 2016; 2016:7417648. [PMID: 27867263 PMCID: PMC5102744 DOI: 10.1155/2016/7417648] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 09/12/2016] [Accepted: 09/27/2016] [Indexed: 01/03/2023] Open
Abstract
Hepatitis B virus (HBV) is an important account of infectious hepatitis and interferon (IFN) remains one of the best treatment options. Activation of type I IFN signaling pathway leads to expressions of IFN-stimulated genes (ISGs) which play important roles in antiviral and immunomodulatory responses to HBV or hepatitis C virus (HCV) infection. Our previous studies indicated that ISG15 and its conjugation (ISGylation) were exploited by HCV to benefit its replication and persistent infection. This study was designed to assess the role of ISG15 and ISGylation in HBV infection in vitro. The levels of ISG15 and ISGylation were upregulated by ISG15 plasmid transfection into HepG2.2.15 cells. Decreased ISGylation was achieved by siRNA targeting UBE1L, the only E1 activating enzyme for ISGylation. Overexpression of ISG15 and subsequent ISGylation significantly increased the levels of HBV DNA in the culture supernatants although the intracellular viral replication remained unaffected. Silencing UBE1L, with decreased ISGylation achieved, abrogated this ISGylation-mediated promoting effect. Our data indicated that overexpression of ISG15 stimulated HBV production in an ISGylation-dependent manner. Identification of ISG15-conjugated proteins (either HBV viral or host proteins) may reveal promising candidates for further antiviral drug development.
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45
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Liu Y, Goulet ML, Sze A, Hadj SB, Belgnaoui SM, Lababidi RR, Zheng C, Fritz JH, Olagnier D, Lin R. RIG-I-Mediated STING Upregulation Restricts Herpes Simplex Virus 1 Infection. J Virol 2016; 90:9406-19. [PMID: 27512060 PMCID: PMC5044816 DOI: 10.1128/jvi.00748-16] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 08/02/2016] [Indexed: 12/25/2022] Open
Abstract
UNLABELLED STING has emerged in recent years as a key player in orchestrating innate immune responses to cytosolic DNA and RNA derived from pathogens. However, the regulation of STING still remains poorly defined. In the present study, we investigated the mechanism of the regulation of STING expression in relation to the RIG-I pathway. Our data show that signaling through RIG-I induces STING expression at both the transcriptional and protein levels in various cell types. STING induction by the RIG-I agonist 5'triphosphorylated RNA (5'pppRNA) was recognized to be a delayed event resulting from an autocrine/paracrine mechanism. Indeed, cotreatment with tumor necrosis factor alpha and type I/II interferon was found to have a synergistic effect on the regulation of STING expression and could be potently decreased by impairing NF-κB and/or STAT1/2 signaling. STING induction significantly contributed to sustainment of the immune signaling cascade following 5'pppRNA treatment. Physiologically, this cross talk between the RNA- and DNA-sensing pathways allowed 5'pppRNA to efficiently block infection by herpes simplex virus 1 (HSV-1) both in vitro and in vivo in a STING-dependent fashion. These observations demonstrate that STING induction by RIG-I signaling through the NF-κB and STAT1/2 cascades is essential for RIG-I agonist-mediated HSV-1 restriction. IMPORTANCE The innate immune system represents the first line of defense against invading pathogens. The dysregulation of this system can result in failure to combat pathogens, inflammation, and autoimmune diseases. Thus, precise regulation at each level of the innate immune system is crucial. Recently, a number of studies have established STING to be a central molecule in the innate immune response to cytosolic DNA and RNA derived from pathogens. Here, we describe the regulation of STING via RIG-I-mediated innate immune sensing. We found that STING is synergistically induced via proinflammatory and antiviral cytokine cascades. In addition, we show that in vivo protection against herpes simplex virus 1 (HSV-1) by a RIG-I agonist required STING. Our study provides new insights into the cross talk between DNA and RNA pathogen-sensing systems via the control of STING.
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Affiliation(s)
- Yiliu Liu
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada
| | - Marie-Line Goulet
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Alexandre Sze
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada
| | - Samar Bel Hadj
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Sidi Mehdi Belgnaoui
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Rassin R Lababidi
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada Department of Microbiology & Immunology, McGill University, Montreal, Quebec, Canada
| | - Chunfu Zheng
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou, China
| | - Jörg Hermann Fritz
- Department of Microbiology & Immunology, McGill University, Montreal, Quebec, Canada
| | - David Olagnier
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada
| | - Rongtuan Lin
- Lady Davis Institute-Jewish General Hospital, McGill University, Montreal, Quebec, Canada Division of Experimental Medicine, McGill University, Montreal, Quebec, Canada Department of Microbiology & Immunology, McGill University, Montreal, Quebec, Canada
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46
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Mint3 potentiates TLR3/4- and RIG-I-induced IFN-β expression and antiviral immune responses. Proc Natl Acad Sci U S A 2016; 113:11925-11930. [PMID: 27698125 DOI: 10.1073/pnas.1601556113] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Type I IFNs (IFN-α/β) play crucial roles in the elimination of invading viruses. Multiple immune cells including macrophages recognize viral infection through a variety of pattern recognition receptors, such as Toll-like receptors (TLRs) and retinoic acid-inducible gene-I (RIG-I)-like receptors, and initiate type I IFN secretion and subsequent antiviral immune responses. However, the mechanisms by which host immune cells can produce adequate amounts of type I IFNs and then eliminate viruses effectively remain to be further elucidated. In the present study, we show that munc18-1-interacting protein 3 (Mint3) expression can be markedly induced during viral infection in macrophages. Mint3 enhances TLR3/4- and RIG-I-induced IRF3 activation and IFN-β production by promoting K63-linked polyubiquitination of TNF receptor-associated factor 3 (TRAF3). Consistently, Mint3 deficiency greatly attenuated antiviral immune responses and increased viral replication. Therefore, we have identified Mint3 as a physiological positive regulator of TLR3/4 and RIG-I-induced IFN-β production and have outlined a feedback mechanism for the control of antiviral immune responses.
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47
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Wang S, Chen Y, Li C, Wu Y, Guo L, Peng C, Huang Y, Cheng G, Qin FXF. TRIM14 inhibits hepatitis C virus infection by SPRY domain-dependent targeted degradation of the viral NS5A protein. Sci Rep 2016; 6:32336. [PMID: 27578425 PMCID: PMC5006124 DOI: 10.1038/srep32336] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 08/02/2016] [Indexed: 12/12/2022] Open
Abstract
Tripartite motif 14 (TRIM14) was reported to function as a mitochondrial signaling adaptor in mediating innate immune responses. However, the involvement of TRIM14 in host defense against viral infection and molecular mechanisms remain unclear. Here, we demonstrated that enforced expression of TRIM14 could potently inhibit the infection and replication of HCV in hepatocytes, whereas TRIM14 knockout cells became more susceptible to HCV infection. Interestingly, further experiments revealed that such anti-HCV activity was independent of activating the NF-κB or interferon pathways but required the C-terminal SPRY domain of no signaling capacity. In searching for mechanisms how TRIM14 exerts its antiviral function we found that TRIM14 interacted with HCV encoded non-structural protein NS5A and could strongly induce its degradation dependent on the NS5A1 subdomain. Interestingly extensive domain mapping analyses revealed that NS5A degradation was mediated by the highly conserved SPRY domain of TRIM14, which might involve the K48 ubiquitination pathway. Collectively, our work uncovered a new mechanism responsible for host defense against HCV infection, and could potentially aid the development of novel anti-HCV therapeutics.
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Affiliation(s)
- Shanshan Wang
- The Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.,Center for Systems Medicine, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences &Peking Union Medical College, Beijing 100005; Suzhou Institute of Systems Medicine, Suzhou, Jiangsu 215123, China
| | - Yongzhi Chen
- CAS Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Chaoyang District, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Chunfeng Li
- Center for Systems Medicine, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences &Peking Union Medical College, Beijing 100005; Suzhou Institute of Systems Medicine, Suzhou, Jiangsu 215123, China
| | - Yaoxing Wu
- The Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Lei Guo
- The Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Changwei Peng
- The Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Yueping Huang
- The Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Genhong Cheng
- Center for Systems Medicine, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences &Peking Union Medical College, Beijing 100005; Suzhou Institute of Systems Medicine, Suzhou, Jiangsu 215123, China.,CAS Key Laboratory of Infection and Immunity, Institute of Biophysics, Chinese Academy of Sciences, Chaoyang District, Beijing, China.,Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, CA 90095, USA
| | - F Xiao-Feng Qin
- The Key Laboratory of Gene Engineering of the Ministry of Education and State Key Laboratory for Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275, China.,Center for Systems Medicine, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences &Peking Union Medical College, Beijing 100005; Suzhou Institute of Systems Medicine, Suzhou, Jiangsu 215123, China
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48
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Dengue Virus Subverts Host Innate Immunity by Targeting Adaptor Protein MAVS. J Virol 2016; 90:7219-7230. [PMID: 27252539 DOI: 10.1128/jvi.00221-16] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 05/23/2016] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED Dengue virus (DENV) is the most common mosquito-borne virus infecting humans and is currently a serious global health challenge. To establish infection in its host cells, DENV must subvert the production and/or antiviral effects of interferon (IFN). The aim of this study was to understand the mechanisms by which DENV suppresses IFN production. We determined that DENV NS4A interacts with mitochondrial antiviral signaling protein (MAVS), which was previously found to activate NF-κB and IFN regulatory factor 3 (IRF3), thus inducing type I IFN in the mitochondrion-associated endoplasmic reticulum membranes (MAMs). We further demonstrated that NS4A is associated with the N-terminal CARD-like (CL) domain and the C-terminal transmembrane (TM) domain of MAVS. This association prevented the binding of MAVS to RIG-I, resulting in the repression of RIG-I-induced IRF3 activation and, consequently, the abrogation of IFN production. Collectively, our findings illustrate a new molecular mechanism by which DENV evades the host immune system and suggest new targets for anti-DENV strategies. IMPORTANCE Type I interferon (IFN) constitutes the first line of host defense against invading viruses. To successfully establish infection, dengue virus (DENV) must counteract either the production or the function of IFN. The mechanism by which DENV suppresses IFN production is poorly understood and characterized. In this study, we demonstrate that the DENV NS4A protein plays an important role in suppressing interferon production through binding MAVS and disrupting the RIG-I-MAVS interaction in mitochondrion-associated endoplasmic reticulum membranes (MAMs). Our study reveals that MAVS is a novel host target of NS4A and provides a molecular mechanism for DENV evasion of the host innate immune response. These findings have important implications for understanding the pathogenesis of DENV and may provide new insights into using NS4A as a therapeutic and/or prevention target.
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49
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Vitner EB, Farfel-Becker T, Ferreira NS, Leshkowitz D, Sharma P, Lang KS, Futerman AH. Induction of the type I interferon response in neurological forms of Gaucher disease. J Neuroinflammation 2016; 13:104. [PMID: 27175482 PMCID: PMC4866012 DOI: 10.1186/s12974-016-0570-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 05/05/2016] [Indexed: 02/07/2023] Open
Abstract
Background Neuroinflammation is a key phenomenon in the pathogenesis of many neurodegenerative diseases. Understanding the mechanisms by which brain inflammation is engaged and delineating the key players in the immune response and their contribution to brain pathology is of great importance for the identification of novel therapeutic targets for these devastating diseases. Gaucher disease, the most common lysosomal storage disease, is caused by mutations in the GBA1 gene and is a significant risk factor for Parkinson’s disease; in some forms of Gaucher disease, neuroinflammation is observed. Methods An unbiased gene profile analysis was performed on a severely affected brain area of a neurological form of a Gaucher disease mouse at a pre-symptomatic stage; the mouse used for this study, the Gbaflox/flox; nestin-Cre mouse, was engineered such that GBA1 deficiency is restricted to cells of neuronal lineage, i.e., neurons and macroglia. Results The 10 most up-regulated genes in the ventral posteromedial/posterolateral region of the thalamus were inflammatory genes, with the gene expression signature significantly enriched in interferon signaling genes. Interferon β levels were elevated in neurons, and interferon-stimulated genes were elevated mainly in microglia. Interferon signaling pathways were elevated to a small extent in the brain of another lysosomal storage disease mouse model, Krabbe disease, but not in Niemann-Pick C or Sandhoff mouse brain. Ablation of the type I interferon receptor attenuated neuroinflammation but had no effect on GD mouse viability. Conclusions Our results imply that the type I interferon response is involved in the development of nGD pathology, and possibly in other lysosomal storage diseases in which simple glycosphingolipids accumulate, and support the notion that interferon signaling pathways play a vital role in the sterile inflammation that often occurs during chronic neurodegenerative diseases in which neuroinflammation is present. Electronic supplementary material The online version of this article (doi:10.1186/s12974-016-0570-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Einat B Vitner
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, 76100, Israel.,Present address: Department of Infectious Diseases, Israel Institute for Biological Research, Ness-Ziona, 74100, Israel
| | - Tamar Farfel-Becker
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, 76100, Israel.,Present address: Synaptic Function Section, The Porter Neuroscience Research Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, 20892, USA
| | | | - Dena Leshkowitz
- Bioinformatics Unit of The Biological Services Department, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Piyush Sharma
- Institute of Immunology, Medical Faculty, University Duisburg-Essen, Essen, Germany
| | - Karl S Lang
- Institute of Immunology, Medical Faculty, University Duisburg-Essen, Essen, Germany.,Department of Gastroenterology, Hepatology and Infectious Diseases, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Anthony H Futerman
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, 76100, Israel.
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50
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Herpes Simplex Virus and Interferon Signaling Induce Novel Autophagic Clusters in Sensory Neurons. J Virol 2016; 90:4706-4719. [PMID: 26912623 DOI: 10.1128/jvi.02908-15] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 02/19/2016] [Indexed: 12/11/2022] Open
Abstract
UNLABELLED Herpes simplex virus 1 (HSV-1) establishes lifelong infection in the neurons of trigeminal ganglia (TG), cycling between productive infection and latency. Neuronal antiviral responses are driven by type I interferon (IFN) and are crucial to controlling HSV-1 virulence. Autophagy also plays a role in this neuronal antiviral response, but the mechanism remains obscure. In this study, HSV-1 infection of murine TG neurons triggered unusual clusters of autophagosomes, predominantly in neurons lacking detectable HSV-1 antigen. Treatment of neurons with IFN-β induced a similar response, and cluster formation by infection or IFN treatment was dependent upon an intact IFN-signaling pathway. The autophagic clusters were decorated with both ISG15, an essential effecter of the antiviral response, and p62, a selective autophagy receptor. The autophagic clusters were not induced by rapamycin or starvation, consistent with a process of selective autophagy. While clusters were triggered by other neurotropic herpesviruses, infection with unrelated viruses failed to induce this response. Following ocular infection in vivo, clusters formed exclusively in the infected ophthalmic branch of the TG. Taken together, our results show that infection with HSV and antiviral signaling in TG neurons produce an unorthodox autophagic response. This autophagic clustering is associated with antiviral signaling, the presence of viral genome, and the absence of HSV protein expression and may therefore represent an important neuronal response to HSV infection and the establishment of latency. IMPORTANCE Herpes simplex virus type 1 (HSV-1) is a ubiquitous virus and a significant cause of morbidity and some mortality. It is the causative agent of benign cold sores, but it can also cause blindness and life-threatening encephalitis. The success of HSV-1 is largely due to its ability to establish lifelong latent infections in neurons and to occasionally reactivate. The exact mechanisms by which neurons defend against virus infection is poorly understood, but such defense is at least partially mediated by autophagy, an intracellular pathway by which pathogens and other unwanted cargoes are degraded. The study demonstrates and investigates a new autophagic structure that appears to be specific to the interaction between neurotropic herpesviruses and murine primary sensory neurons. This work may therefore have important implications for our understanding of latency and reactivation.
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