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Stenzel T, Dziewulska D, Łukaszuk E, Custer JM, De Koch MD, Kraberger S, Varsani A. The pigeon circovirus evolution, epidemiology and interaction with the host immune system under One Loft Race rearing conditions. Sci Rep 2024; 14:13815. [PMID: 38877168 PMCID: PMC11178769 DOI: 10.1038/s41598-024-64587-3] [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: 02/23/2024] [Accepted: 06/11/2024] [Indexed: 06/16/2024] Open
Abstract
This study was aimed to investigate the frequency of PiCV recombination, the kinetics of PiCV viremia and shedding and the correlation between viral replication and host immune response in young pigeons subclinically infected with various PiCV variants and kept under conditions mimicking the OLR system. Fifteen racing pigeons originating from five breeding facilities were housed together for six weeks. Blood and cloacal swab samples were collected from birds every seven days to recover complete PiCV genomes and determine PiCV genetic diversity and recombination dynamics, as well as to assess virus shedding rate, level of viremia, expression of selected genes and level of anti-PiCV antibodies. Three hundred and eighty-eight complete PiCV genomes were obtained and thirteen genotypes were distinguished. Twenty-five recombination events were detected. Recombinants emerged during the first three weeks of the experiment which was consistent with the peak level of viremia and viral shedding. A further decrease in viremia and shedding partially corresponded with IFN-γ and MX1 gene expression and antibody dynamics. Considering the role of OLR pigeon rearing system in spreading infectious agents and allowing their recombination, it would be reasonable to reflect on the relevance of pigeon racing from both an animal welfare and epidemiological perspective.
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Affiliation(s)
- Tomasz Stenzel
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland.
| | - Daria Dziewulska
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Ewa Łukaszuk
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Joy M Custer
- Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, USA
| | - Matthew D De Koch
- Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, USA
| | - Simona Kraberger
- Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, USA
| | - Arvind Varsani
- Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine, School of Life Sciences, Arizona State University, Tempe, USA.
- Structural Biology Research Unit, Department of Integrative Biomedical Sciences, University of Cape Town, Observatory, Cape Town, South Africa.
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2
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Arellano G, Acuña E, Loda E, Moore L, Tichauer JE, Castillo C, Vergara F, Burgos PI, Penaloza-MacMaster P, Miller SD, Naves R. Therapeutic role of interferon-γ in experimental autoimmune encephalomyelitis is mediated through a tolerogenic subset of splenic CD11b + myeloid cells. J Neuroinflammation 2024; 21:144. [PMID: 38822334 PMCID: PMC11143617 DOI: 10.1186/s12974-024-03126-3] [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: 03/26/2024] [Accepted: 05/05/2024] [Indexed: 06/02/2024] Open
Abstract
Cumulative evidence has established that Interferon (IFN)-γ has both pathogenic and protective roles in Multiple Sclerosis and the animal model, Experimental Autoimmune Encephalomyelitis (EAE). However, the underlying mechanisms to the beneficial effects of IFN-γ are not well understood. In this study, we found that IFN-γ exerts therapeutic effects on chronic, relapsing-remitting, and chronic progressive EAE models. The frequency of regulatory T (Treg) cells in spinal cords from chronic EAE mice treated with IFN-γ was significantly increased with no effect on Th1 and Th17 cells. Consistently, depletion of FOXP3-expressing cells blocked the protective effects of IFN-γ, indicating that the therapeutic effect of IFN-γ depends on the presence of Treg cells. However, IFN-γ did not trigger direct in vitro differentiation of Treg cells. In vivo administration of blocking antibodies against either interleukin (IL)-10, transforming growth factor (TGF)-β or program death (PD)-1, revealed that the protective effects of IFN-γ in EAE were also dependent on TGF-β and PD-1, but not on IL-10, suggesting that IFN-γ might have an indirect role on Treg cells acting through antigen-presenting cells. Indeed, IFN-γ treatment increased the frequency of a subset of splenic CD11b+ myeloid cells expressing TGF-β-Latency Associated Peptide (LAP) and program death ligand 1 (PD-L1) in a signal transducer and activator of transcription (STAT)-1-dependent manner. Furthermore, splenic CD11b+ cells from EAE mice preconditioned in vitro with IFN-γ and myelin oligodendrocyte glycoprotein (MOG) peptide exhibited a tolerogenic phenotype with the capability to induce conversion of naïve CD4+ T cells mediated by secretion of TGF-β. Remarkably, adoptive transfer of splenic CD11b+ cells from IFN-γ-treated EAE mice into untreated recipient mice ameliorated clinical symptoms of EAE and limited central nervous system infiltration of mononuclear cells and effector helper T cells. These results reveal a novel cellular and molecular mechanism whereby IFN-γ promotes beneficial effects in EAE by endowing splenic CD11b+ myeloid cells with tolerogenic and therapeutic activities.
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MESH Headings
- Animals
- Encephalomyelitis, Autoimmune, Experimental/immunology
- Encephalomyelitis, Autoimmune, Experimental/drug therapy
- Encephalomyelitis, Autoimmune, Experimental/metabolism
- Encephalomyelitis, Autoimmune, Experimental/pathology
- Mice
- Interferon-gamma/metabolism
- Myeloid Cells/drug effects
- Myeloid Cells/immunology
- Myeloid Cells/metabolism
- Spleen/immunology
- Mice, Inbred C57BL
- CD11b Antigen/metabolism
- Female
- Myelin-Oligodendrocyte Glycoprotein/toxicity
- Myelin-Oligodendrocyte Glycoprotein/immunology
- T-Lymphocytes, Regulatory/immunology
- T-Lymphocytes, Regulatory/drug effects
- Peptide Fragments/toxicity
- Peptide Fragments/pharmacology
- Transforming Growth Factor beta/metabolism
- Programmed Cell Death 1 Receptor/metabolism
- Programmed Cell Death 1 Receptor/immunology
- Forkhead Transcription Factors/metabolism
- Disease Models, Animal
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Affiliation(s)
- Gabriel Arellano
- Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
- Center for Human Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
| | - Eric Acuña
- Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Eileah Loda
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
| | - Lindsay Moore
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
| | - Juan E Tichauer
- Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Cristian Castillo
- Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Fabian Vergara
- Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Paula I Burgos
- Department of Clinical Immunology and Rheumatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pablo Penaloza-MacMaster
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
- Center for Human Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US
| | - Stephen D Miller
- Department of Microbiology-Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US.
- Center for Human Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, US.
| | - Rodrigo Naves
- Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile.
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3
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Wang B, Reville PK, Yassouf MY, Jelloul FZ, Ly C, Desai PN, Wang Z, Borges P, Veletic I, Dasdemir E, Burks JK, Tang G, Guo S, Garza AI, Nasnas C, Vaughn NR, Baran N, Deng Q, Matthews J, Gunaratne PH, Antunes DA, Ekmekcioglu S, Sasaki K, Garcia MB, Cuglievan B, Hao D, Daver N, Green MR, Konopleva M, Futreal A, Post SM, Abbas HA. Comprehensive characterization of IFNγ signaling in acute myeloid leukemia reveals prognostic and therapeutic strategies. Nat Commun 2024; 15:1821. [PMID: 38418901 PMCID: PMC10902356 DOI: 10.1038/s41467-024-45916-6] [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: 07/07/2023] [Accepted: 02/05/2024] [Indexed: 03/02/2024] Open
Abstract
Interferon gamma (IFNγ) is a critical cytokine known for its diverse roles in immune regulation, inflammation, and tumor surveillance. However, while IFNγ levels were elevated in sera of most newly diagnosed acute myeloid leukemia (AML) patients, its complex interplay in AML remains insufficiently understood. We aim to characterize these complex interactions through comprehensive bulk and single-cell approaches in bone marrow of newly diagnosed AML patients. We identify monocytic AML as having a unique microenvironment characterized by IFNγ producing T and NK cells, high IFNγ signaling, and immunosuppressive features. IFNγ signaling score strongly correlates with venetoclax resistance in primary AML patient cells. Additionally, IFNγ treatment of primary AML patient cells increased venetoclax resistance. Lastly, a parsimonious 47-gene IFNγ score demonstrates robust prognostic value. In summary, our findings suggest that inhibiting IFNγ is a potential treatment strategy to overcoming venetoclax resistance and immune evasion in AML patients.
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Affiliation(s)
- Bofei Wang
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Patrick K Reville
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mhd Yousuf Yassouf
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Fatima Z Jelloul
- Department of Hematopathology, Division of Pathology & Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Christopher Ly
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Poonam N Desai
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- School of Biomedical Informatics, The University of Texas Health Science Center, Houston, TX, USA
| | - Zhe Wang
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Pamella Borges
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Ivo Veletic
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Enes Dasdemir
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Jared K Burks
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Guilin Tang
- Department of Hematopathology, Division of Pathology & Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shengnan Guo
- School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Araceli Isabella Garza
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Cedric Nasnas
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Nicole R Vaughn
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Natalia Baran
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Qing Deng
- Department of Lymphoma & Myeloma, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jairo Matthews
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Preethi H Gunaratne
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Dinler A Antunes
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Suhendan Ekmekcioglu
- Department of Melanoma Medical Oncology, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Koji Sasaki
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Miriam B Garcia
- Department of Pediatrics, Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Branko Cuglievan
- Department of Pediatrics, Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Dapeng Hao
- School of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Naval Daver
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael R Green
- Department of Lymphoma & Myeloma, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Genomic Medicine, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Marina Konopleva
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
- Department of Oncology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Andrew Futreal
- Department of Genomic Medicine, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sean M Post
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hussein A Abbas
- Department of Leukemia, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
- Department of Genomic Medicine, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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4
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Tsuruta K, Shidara T, Miyagishi H, Nango H, Nakatani Y, Suzuki N, Amano T, Suzuki T, Kosuge Y. Anti-Inflammatory Effects of Miyako Bidens pilosa in a Mouse Model of Amyotrophic Lateral Sclerosis and Lipopolysaccharide-Stimulated BV-2 Microglia. Int J Mol Sci 2023; 24:13698. [PMID: 37762010 PMCID: PMC10530530 DOI: 10.3390/ijms241813698] [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: 08/18/2023] [Revised: 09/02/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Neuroinflammation is a fundamental feature in the pathogenesis of amyotrophic lateral sclerosis (ALS) and arises from the activation of astrocytes and microglial cells. Previously, we reported that Miyako Bidens pilosa extract (MBP) inhibited microglial activation and prolonged the life span in a human ALS-linked mutant superoxide dismutase-1 (SOD1G93A) transgenic mouse model of ALS (G93A mice). Herein, we evaluated the effect of MBP on microglial activation in the spinal cord of G93A mice and lipopolysaccharide-stimulated BV-2 microglial cells. The administration of MBP inhibited the upregulation of the M1-microglia/macrophage marker (interferon-γ receptor (IFN-γR)) and pro-inflammatory cytokines (tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6) in G93A mice. However, MBP did not affect the increase in the M2-microglia/macrophage marker (IL-13R) and anti-inflammatory cytokines (transforming growth factor (TGF)-β and IL-10) in G93A mice. BV-2 cell exposure to MBP resulted in a decrease in 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium (MTT) reduction activity and bromodeoxyuridine incorporation, without an increase in the number of ethidium homodimer-1-stained dead cells. Moreover, MBP suppressed the production of lipopolysaccharide-induced pro-inflammatory cytokines (TNF-α, IL-1β, and IL-6) in BV-2 cells. These results suggest that the selective suppression of M1-related pro-inflammatory cytokines is involved in the therapeutic potential of MBP in ALS model mice.
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Affiliation(s)
- Komugi Tsuruta
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (K.T.); (T.S.); (H.M.); (H.N.)
| | - Takato Shidara
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (K.T.); (T.S.); (H.M.); (H.N.)
| | - Hiroko Miyagishi
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (K.T.); (T.S.); (H.M.); (H.N.)
| | - Hiroshi Nango
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (K.T.); (T.S.); (H.M.); (H.N.)
| | - Yoshihiko Nakatani
- Department of Pharmacotherapeutics, School of Pharmacy, International University of Health and Welfare, 2600-1 Kitakanemaru, Ohtawara 324-8501, Tochigi, Japan;
| | - Naoto Suzuki
- Laboratory of Pharmaceutics, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (N.S.); (T.S.)
| | - Taku Amano
- Tochigi Prefectural Okamotodai Hospital, 2162 Shimookamotomachi, Utsunomiya 329-1104, Tochigi, Japan;
| | - Toyofumi Suzuki
- Laboratory of Pharmaceutics, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (N.S.); (T.S.)
| | - Yasuhiro Kosuge
- Laboratory of Pharmacology, School of Pharmacy, Nihon University, 7-7-1 Narashinodai, Funabashi 274-8555, Chiba, Japan; (K.T.); (T.S.); (H.M.); (H.N.)
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5
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Mahittikorn A, Mala W, Masangkay FR, Kotepui KU, Wilairatana P, Kotepui M. Increased interferon-γ levels and risk of severe malaria: a meta-analysis. Sci Rep 2022; 12:18917. [PMID: 36344583 PMCID: PMC9640646 DOI: 10.1038/s41598-022-21965-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 10/06/2022] [Indexed: 11/09/2022] Open
Abstract
Interferon (IFN)-γ contributes to the pathogenesis of severe malaria; however, its mechanism remains unclear. Herein, differences in IFN-γ levels between patients with severe and uncomplicated malaria were evaluated using qualitative and quantitative (meta-analysis) approaches. The systematic review protocol was registered at PROSPERO (ID: CRD42022315213). The searches for relevant studies were performed in five databases, including PubMed, Scopus, Embase, MEDLINE and Web of Science, between 1 January and 10 July 2022. A meta-analysis was conducted to pool the mean difference (MD) of IFN-γ levels between patients with severe malaria and those with uncomplicated malaria using a random-effects model (DerSimonian and Laird method). Overall, qualitative synthesis indicated that most studies (14, 58.3%) reported no statistically significant difference in IFN-γ levels between patients with severe malaria and those with uncomplicated malaria. Meanwhile, remaining studies (9, 37.5%) reported that IFN-γ levels were significantly higher in patients with severe malaria than those in patients with uncomplicated malaria. Only one study (4.17%) reported that IFN-γ levels were significantly lower in patients with severe malaria than those in patients with uncomplicated malaria. The meta-analysis results indicated that patients with severe malaria had higher mean IFN-γ levels than those with uncomplicated malaria (p < 0.001, MD: 13.63 pg/mL, 95% confidence interval: 6.98-20.29 pg/mL, I2: 99.02%, 14 studies/15 study sites, 652 severe cases/1096 uncomplicated cases). In summary, patients with severe malaria exhibited higher IFN-γ levels than those with uncomplicated malaria, although the heterogeneity of the outcomes is yet to be elucidated. To confirm whether alteration in IFN-γ levels of patients with malaria may indicate disease severity and/or poor prognosis, further studies are warranted.
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Affiliation(s)
- Aongart Mahittikorn
- grid.10223.320000 0004 1937 0490Department of Protozoology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Wanida Mala
- grid.412867.e0000 0001 0043 6347Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand
| | - Frederick Ramirez Masangkay
- grid.412775.20000 0004 1937 1119Department of Medical Technology, Faculty of Pharmacy, University of Santo Tomas, Manila, Philippines
| | - Kwuntida Uthaisar Kotepui
- grid.412867.e0000 0001 0043 6347Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand
| | - Polrat Wilairatana
- grid.10223.320000 0004 1937 0490Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Manas Kotepui
- grid.412867.e0000 0001 0043 6347Medical Technology, School of Allied Health Sciences, Walailak University, Tha Sala, Nakhon Si Thammarat, Thailand
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6
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Li YJ, Chen CY, Yang JH, Chiu YF. Modulating cholesterol-rich lipid rafts to disrupt influenza A virus infection. Front Immunol 2022; 13:982264. [PMID: 36177026 PMCID: PMC9513517 DOI: 10.3389/fimmu.2022.982264] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Influenza A virus (IAV) is widely disseminated across different species and can cause recurrent epidemics and severe pandemics in humans. During infection, IAV attaches to receptors that are predominantly located in cell membrane regions known as lipid rafts, which are highly enriched in cholesterol and sphingolipids. Following IAV entry into the host cell, uncoating, transcription, and replication of the viral genome occur, after which newly synthesized viral proteins and genomes are delivered to lipid rafts for assembly prior to viral budding from the cell. Moreover, during budding, IAV acquires an envelope with embedded cholesterol from the host cell membrane, and it is known that decreased cholesterol levels on IAV virions reduce infectivity. Statins are commonly used to inhibit cholesterol synthesis for preventing cardiovascular diseases, and several studies have investigated whether such inhibition can block IAV infection and propagation, as well as modulate the host immune response to IAV. Taken together, current research suggests that there may be a role for statins in countering IAV infections and modulating the host immune response to prevent or mitigate cytokine storms, and further investigation into this is warranted.
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Affiliation(s)
- Yu-Jyun Li
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
| | - Chi-Yuan Chen
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
| | - Jeng-How Yang
- Division of Infectious Diseases, Department of Medicine, Chang Gung Memorial Hospital, New Taipei, Taiwan
| | - Ya-Fang Chiu
- Department of Microbiology and Immunology, Chang Gung University, Taoyuan, Taiwan
- Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
- Research Center for Emerging Viral Infections, Chang Gung University, Taoyuan, Taiwan
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
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7
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Gurjar D, Kumar Patra S, Bodhale N, Lenka N, Saha B. Leishmania intercepts IFN-γR signaling at multiple levels in macrophages. Cytokine 2022; 157:155956. [PMID: 35785668 DOI: 10.1016/j.cyto.2022.155956] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 06/13/2022] [Accepted: 06/24/2022] [Indexed: 11/26/2022]
Abstract
IFN-γ, a type 2 interferon and a cytokine, is critical for both innate and adaptive immunity. IFN-γ binds to the IFN-γRs on the cell membrane of macrophages, signals through JAK1-STAT-1 pathway and induces IFN-γ-stimulated genes (ISGs). As Leishmania amastigotes reside and replicate within macrophages, IFN-γ mediated macrophage activation eventuate in Leishmania elimination. As befits the principle of parasitism, the impaired IFN-γ responsiveness in macrophages ensures Leishmania survival. IFN-γ responsiveness is a function of integrated molecular events at multiple levels in the cells that express IFN-γ receptors. In Leishmania-infected macrophages, reduced IFN-γRα expression, impaired IFN-γRα and IFN-γRβ hetero-dimerization due to altered membrane lipid composition, reduced JAK-1 and STAT-1 phosphorylation but increased STAT-1 degradation and impaired ISGs induction collectively determine the IFN-γ responsiveness and the efficacy of IFN-γ induced antileishmanial function of macrophages. Therefore, parasite load is not only decided by the levels of IFN-γ produced but also by the IFN-γ responsiveness. Indeed, in Leishmania-infected patients, IFN-γ is produced but IFN-γ signalling is downregulated. However, the molecular mechanisms of IFN-γ responsiveness remain unclear. Therefore, we review the current understanding of IFN-γ responsiveness of Leishmania-infected macrophages.
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Affiliation(s)
- Dhiraj Gurjar
- National Centre for Cell Science, Ganeshkhind, Pune 411007, India
| | | | - Neelam Bodhale
- National Centre for Cell Science, Ganeshkhind, Pune 411007, India
| | - Nibedita Lenka
- National Centre for Cell Science, Ganeshkhind, Pune 411007, India.
| | - Bhaskar Saha
- National Centre for Cell Science, Ganeshkhind, Pune 411007, India.
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8
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Song H, Liu X, Gao X, Li J, Shang Y, Gao W, Li Y, Zhang Z. Transcriptome analysis of pre-immune state induced by interferon gamma inhibiting the replication of H 9N 2 avian influenza viruses in chicken embryo fibroblasts. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2022; 103:105332. [PMID: 35811034 DOI: 10.1016/j.meegid.2022.105332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 06/24/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Interferon (IFN), a critical antiviral cytokine produced by pathogens-induced cells, plays an important role in host innate immune system. In this study, to investigate the inhibition effect of IFN on avian influenza virus (AIV), Chicken Embryo Fibroblasts (CEFs) was infected by H9N2 AIV. The pre-immune state and transcriptome analysis have been observed and performed. The result showed chicken interferon gamma (chIFN-γ) have the most inhibitory effect on H9N2 virus among three types of chicken interferons (chIFNs). Inhibition of chIFN-γ on H9N2 virus was verified by indirect immunofluorescence, RT-qPCR and western blot. The possible signaling pathways induced by chIFN-γ with or without virus were analyzed by transcriptome. The transcriptome data were compared among H9N2-infected, chIFN-γ-treated, chIFN-γ + H9N2-treated, and Control groups. In summary, RNA-sequencing (RNA-seq) data suggested that H9N2 virus infection resulted in corresponding response of certain defensive, inflammatory and metabolism pathways to the virus replication in CEFs. Furthermore, while CEFs were treated with chIFN-γ, many immune-related signaling pathways in cells are affected and altered. Antiviral genes involved in these immune pathways such as interferon regulatory factors, chemokines, interferon-stimulated genes (ISGs) and transcription factors were significantly up-regulated, and showed significant antiviral responses. Compared with virus infected CEFs alone, pretreatment with IFN induced the expression of antiviral genes and activated related antiviral pathways, inhibited the viral replication as result. Our study provided functional annotations for antiviral genes and the basis for studying the mechanism of chIFN-γ mediated response against H9N2 AIV.
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Affiliation(s)
- Haozhi Song
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xingjian Liu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xintao Gao
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jialei Li
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yuting Shang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Weisong Gao
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yinü Li
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Zhifang Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
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9
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RNAi-based modulation of IFN-γ signaling in skin. Mol Ther 2022; 30:2709-2721. [PMID: 35477658 PMCID: PMC9372319 DOI: 10.1016/j.ymthe.2022.04.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 04/03/2022] [Accepted: 04/25/2022] [Indexed: 11/23/2022] Open
Abstract
Aberrant activation of interferon (IFN)-γ signaling plays a key role in several autoimmune skin diseases, including lupus erythematosus, alopecia areata, vitiligo, and lichen planus. Here, we identify fully chemically modified small interfering RNAs (siRNAs) that silence the ligand binding chain of the IFN-γ receptor (IFNGR1), for the modulation of IFN-γ signaling. Conjugating these siRNAs to docosanoic acid (DCA) enables productive delivery to all major skin cell types local to the injection site, with a single dose of injection supporting effective IFNGR1 protein reduction for at least 1 month in mice. In an ex vivo model of IFN-γ signaling, DCA-siRNA efficiently inhibits the induction of IFN-γ-inducible chemokines, CXCL9 and CXCL10, in skin biopsies from the injection site. Our data demonstrate that DCA-siRNAs can be engineered for functional gene silencing in skin and establish a path toward siRNA treatment of autoimmune skin diseases.
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10
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Korsten SGPJ, Peracic L, van Groeningen LMB, Diks MAP, Vromans H, Garssen J, Willemsen LEM. Butyrate Prevents Induction of CXCL10 and Non-Canonical IRF9 Expression by Activated Human Intestinal Epithelial Cells via HDAC Inhibition. Int J Mol Sci 2022; 23:ijms23073980. [PMID: 35409339 PMCID: PMC8999521 DOI: 10.3390/ijms23073980] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/23/2022] [Accepted: 03/31/2022] [Indexed: 12/11/2022] Open
Abstract
Non-communicable diseases are increasing and have an underlying low-grade inflammation in common, which may affect gut health. To maintain intestinal homeostasis, unwanted epithelial activation needs to be avoided. This study compared the efficacy of butyrate, propionate and acetate to suppress IFN-γ+/−TNF-α induced intestinal epithelial activation in association with their HDAC inhibitory capacity, while studying the canonical and non-canonical STAT1 pathway. HT-29 were activated with IFN-γ+/−TNF-α and treated with short chain fatty acids (SCFAs) or histone deacetylase (HDAC) inhibitors. CXCL10 release and protein and mRNA expression of proteins involved in the STAT1 pathway were determined. All SCFAs dose-dependently inhibited CXCL10 release of the cells after activation with IFN-γ or IFN-γ+TNF-α. Butyrate was the most effective, completely preventing CXCL10 induction. Butyrate did not affect phosphorylated STAT1, nor phosphorylated NFκB p65, but inhibited IRF9 and phosphorylated JAK2 protein expression in activated cells. Additionally, butyrate inhibited CXCL10, SOCS1, JAK2 and IRF9 mRNA in activated cells. The effect of butyrate was mimicked by class I HDAC inhibitors and a general HDAC inhibitor Trichostatin A. Butyrate is the most potent inhibitor of CXCL10 release compared to other SCFAs and acts via HDAC inhibition. This causes downregulation of CXCL10, JAK2 and IRF9 genes, resulting in a decreased IRF9 protein expression which inhibits the non-canonical pathway and CXCL10 transcription.
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Affiliation(s)
- Sandra G. P. J. Korsten
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (L.P.); (L.M.B.v.G.); (M.A.P.D.); (J.G.)
- Tiofarma B.V., 3261 ME Oud-Beijerland, The Netherlands;
- Correspondence: (S.G.P.J.K.); (L.E.M.W.)
| | - Laura Peracic
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (L.P.); (L.M.B.v.G.); (M.A.P.D.); (J.G.)
| | - Luka M. B. van Groeningen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (L.P.); (L.M.B.v.G.); (M.A.P.D.); (J.G.)
| | - Mara A. P. Diks
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (L.P.); (L.M.B.v.G.); (M.A.P.D.); (J.G.)
| | - Herman Vromans
- Tiofarma B.V., 3261 ME Oud-Beijerland, The Netherlands;
- Division of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (L.P.); (L.M.B.v.G.); (M.A.P.D.); (J.G.)
- Nutricia Research B.V., 3584 CT Utrecht, The Netherlands
| | - Linette E. M. Willemsen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands; (L.P.); (L.M.B.v.G.); (M.A.P.D.); (J.G.)
- Correspondence: (S.G.P.J.K.); (L.E.M.W.)
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11
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Zhang X, Feng WH. Porcine Reproductive and Respiratory Syndrome Virus Evades Antiviral Innate Immunity via MicroRNAs Regulation. Front Microbiol 2022; 12:804264. [PMID: 34975824 PMCID: PMC8714953 DOI: 10.3389/fmicb.2021.804264] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/23/2021] [Indexed: 12/15/2022] Open
Abstract
Porcine reproductive and respiratory syndrome (PRRS) is one of the most important diseases in pigs, leading to significant economic losses in the swine industry worldwide. MicroRNAs (miRNAs) are small single-stranded non-coding RNAs involved in regulating gene expressions at the post-transcriptional levels. A variety of host miRNAs are dysregulated and exploited by PRRSV to escape host antiviral surveillance and help virus infection. In addition, PRRSV might encode miRNAs. In this review, we will summarize current progress on how PRRSV utilizes miRNAs for immune evasions. Increasing knowledge of the role of miRNAs in immune evasion will improve our understanding of PRRSV pathogenesis and help us develop new treatments for PRRSV-associated diseases.
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Affiliation(s)
- Xuan Zhang
- State Key Laboratory of Agrobiotechnology, Ministry of Agriculture Key Laboratory of Soil Microbiology, Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
| | - Wen-Hai Feng
- State Key Laboratory of Agrobiotechnology, Ministry of Agriculture Key Laboratory of Soil Microbiology, Department of Microbiology and Immunology, College of Biological Sciences, China Agricultural University, Beijing, China
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12
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Bailey SR, Vatsa S, Larson RC, Bouffard AA, Scarfo I, Kann MC, Berger TR, Leick MB, Wehrli M, Schmidts A, Silva H, Lindell KA, Demato A, Gallagher KM, Frigault MJ, Maus MV. Blockade or deletion of IFNg reduces macrophage activation without compromising CAR-T function in hematologic malignancies. Blood Cancer Discov 2021; 3:136-153. [PMID: 35015685 PMCID: PMC9414118 DOI: 10.1158/2643-3230.bcd-21-0181] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/10/2021] [Accepted: 12/09/2021] [Indexed: 11/16/2022] Open
Abstract
Chimeric antigen receptor T cells (CAR-T) induce impressive responses in patients with hematologic malignancies but can also trigger cytokine release syndrome (CRS), a systemic toxicity caused by activated CAR-T and innate immune cells. Although interferon-gamma (IFNg) production serves as a potency assay for CAR T cells, its biologic role in conferring responses in hematologic malignancies is not established. Here we show that pharmacologic blockade or genetic knockout of IFNg reduced immune checkpoint protein expression with no detrimental effect on anti-tumor efficacy against hematologic malignancies in vitro or in vivo. Furthermore, IFNg blockade reduced macrophage activation to a greater extent than currently used cytokine antagonists in immune cells from healthy donors and serum from CAR-T treated lymphoma patients who developed CRS. Collectively, these data show that IFNg is not required for CAR-T efficacy against hematologic malignancies, and blocking IFNg could simultaneously mitigate cytokine-related toxicities while preserving persistence and anti-tumor efficacy.
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Affiliation(s)
- Stefanie R Bailey
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | - Sonika Vatsa
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | - Rebecca C Larson
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | - Amanda A Bouffard
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | - Irene Scarfo
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | | | | | - Mark B Leick
- Cellular Immunotherapy Program, Massachusetts General Hospital Cancer Center
| | - Marc Wehrli
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | - Andrea Schmidts
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
| | | | | | | | | | | | - Marcela V Maus
- Cancer Center, Massachusetts General Hospital, Harvard Medical School
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13
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Qiao X, Zong Y, Liu Z, Li Y, Wang J, Wang L, Song L. A novel CgIFNLP receptor involved in regulating ISG expression in oyster Crassostrea gigas. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 124:104206. [PMID: 34274363 DOI: 10.1016/j.dci.2021.104206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/11/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Interferons (IFNs) are the key coordinators of antiviral immunity by binding to their receptors to orchestrate a complex transcriptional network in vertebrates. Recently, the existence of molluscan IFN-like system has been certified by the identification of important components in IFN system, such as IFN-like protein (CgIFNLP) from oyster Crassostrea gigas. In the present study, a novel CgIFNLP receptor (designed CgIFNLPR-1) was identified from C. gigas. The open reading frame (ORF) of CgIFNLPR-1 cDNA was of 1962 bp encoding a peptide of 653 amino acid residues with five fibronectin type III (FNIII) domains and one transmembrane helix region. The mRNA transcripts of CgIFNLPR-1 were constitutively distributed in all the tested tissues, with the highest level in gonad. After Poly (I:C) stimulation, the mRNA expression of CgIFNLPR-1 in haemocytes was significantly up-regulated to the highest level at 48 h (4.54-fold of that in control group, p < 0.05). CgIFNLPR-1 protein was mainly distributed in the cytoplasm and membrane of oyster haemocytes. CgIFNLP and CgIFNLPR-1 were able to interact with each other in vitro. After the CgIFNLPR-1 was knocked down by RNAi, the mRNA expression of IFN-stimulated genes (ISGs), including CgMx, CgViperin and CgIFNIP-44, were significantly inhibited after Poly (I:C) stimulation, which was 0.17, 0.31 and 0.53-fold of that in EGFP group, respectively (p < 0.01). These findings suggested that CgIFNLPR-1 was a novel CgIFNLP receptor in the oyster to recognize CgIFNLP and regulate the expressions of CgISGs.
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Affiliation(s)
- Xue Qiao
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Yanan Zong
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Zhaoqun Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Yuanmei Li
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Jihan Wang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China.
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai, 519000, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Aquatic Animal Disease Prevention and Control, Dalian Ocean University, Dalian, 116023, China
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14
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Walker FC, Sridhar PR, Baldridge MT. Differential roles of interferons in innate responses to mucosal viral infections. Trends Immunol 2021; 42:1009-1023. [PMID: 34629295 PMCID: PMC8496891 DOI: 10.1016/j.it.2021.09.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/10/2021] [Accepted: 09/12/2021] [Indexed: 01/04/2023]
Abstract
Interferons (IFNs) are among the first vertebrate immune pathways activated upon viral infection and are crucial for control of viral replication and dissemination, especially at mucosal surfaces as key locations for host exposure to pathogens. Inhibition of viral establishment and spread at and from these mucosal sites is paramount for preventing severe disease, while concomitantly limiting putative detrimental effects of inflammation. Here, we compare the roles of type I, II, and III IFNs in regulating three archetypal viruses - norovirus, herpes simplex virus, and severe acute respiratory virus coronavirus 2 (SARS-CoV-2) - which infect distinct mammalian mucosal tissues. Emerging paradigms include highly specific roles for IFNs in limiting local versus systemic infection, synergistic activities, and a spectrum of protective versus detrimental effects of IFNs during the infection response.
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Affiliation(s)
- Forrest C Walker
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Pratyush R Sridhar
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA
| | - Megan T Baldridge
- Division of Infectious Diseases, Department of Medicine, Edison Family Center for Genome Sciences & Systems Biology, Washington University School of Medicine, St. Louis, MO, USA; Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
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15
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Yan Q, Wang K, Han X, Tan Z. The Regulatory Mechanism of Feeding a Diet High in Rice Grain on the Growth and microRNA Expression Profiles of the Spleen, Taking Goats as an Artiodactyl Model. BIOLOGY 2021; 10:biology10090832. [PMID: 34571708 PMCID: PMC8467863 DOI: 10.3390/biology10090832] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/22/2021] [Accepted: 08/24/2021] [Indexed: 12/28/2022]
Abstract
Several researchers have testified that feeding with diets high in rice grain induces subacute ruminal acidosis and increases the risk of gastrointestinal inflammation. However, whether diets high in rice grain affect spleen growth and related molecular events remains unknown. Therefore, the present study was conducted to investigate the effects of feeding a high-concentrate (HC) diet based on rice on the growth and microRNA expression profiles in goat spleen. Sixteen Liuyang black goats were used as an artiodactyl model and fed an HC diet for five weeks. Visceral organ weight, LPS (lipopolysaccharide) concentration in the liver and spleen, and microRNA expression were analyzed. The results showed that feeding an HC diet increased the heart and spleen indexes and decreased the liver LPS concentration (p < 0.05). In total, 596 microRNAs were identified, and twenty-one of them were differentially expressed in the spleens of goats fed with the HC diet. Specifically, several microRNAs (miR-107, miR-512, miR-51b, miR-191, miR-296, miR-326, miR-6123 and miR-433) were upregulated. Meanwhile, miR-30b, miR-30d, miR-1468, miR-502a, miR-145, miR-139, miR-2284f, miR-101 and miR-92a were downregulated. Additionally, their target gene CPPED1, CDK6, CCNT1 and CASP7 expressions were inhibited (p < 0.05). These results indicated that the HC diet promoted the growth of the heart and spleen. The HC diet also regulated the expression of miR-326, miR-512-3p, miR-30b, miR-30d, miR-502a and their target genes (CPPED1, CDK6 and CCNT1) related to the enhancement of splenocyte proliferation. The HC diet also modulated the expression of miR-15b-5p, miR-1468 and miR-92a, related to the suppression of splenocyte apoptosis.
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Affiliation(s)
- Qiongxian Yan
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; (Q.Y.); (K.W.); (X.H.)
| | - Kaijun Wang
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; (Q.Y.); (K.W.); (X.H.)
| | - Xuefeng Han
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; (Q.Y.); (K.W.); (X.H.)
| | - Zhiliang Tan
- CAS Key Laboratory of Agro-Ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; (Q.Y.); (K.W.); (X.H.)
- Hunan Co-Innovation Center of Animal Production Safety—CICAPS, Changsha 410128, China
- Correspondence:
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16
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Gocher AM, Workman CJ, Vignali DAA. Interferon-γ: teammate or opponent in the tumour microenvironment? Nat Rev Immunol 2021; 22:158-172. [PMID: 34155388 DOI: 10.1038/s41577-021-00566-3] [Citation(s) in RCA: 247] [Impact Index Per Article: 82.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2021] [Indexed: 02/06/2023]
Abstract
Cancer immunotherapy offers substantive benefit to patients with various tumour types, in some cases leading to complete tumour clearance. However, many patients do not respond to immunotherapy, galvanizing the field to define the mechanisms of pre-existing and acquired resistance. Interferon-γ (IFNγ) is a cytokine that has both protumour and antitumour activities, suggesting that it may serve as a nexus for responsiveness to immunotherapy. Many cancer immunotherapies and chemotherapies induce IFNγ production by various cell types, including activated T cells and natural killer cells. Patients resistant to these therapies commonly have molecular aberrations in the IFNγ signalling pathway or express resistance molecules driven by IFNγ. Given that all nucleated cells can respond to IFNγ, the functional consequences of IFNγ production need to be carefully dissected on a cell-by-cell basis. Here, we review the cells that produce IFNγ and the different effects of IFNγ in the tumour microenvironment, highlighting the pleiotropic nature of this multifunctional and abundant cytokine.
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Affiliation(s)
- Angela M Gocher
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Tumor Microenvironment Center, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Creg J Workman
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Tumor Microenvironment Center, UPMC Hillman Cancer Center, Pittsburgh, PA, USA
| | - Dario A A Vignali
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,Tumor Microenvironment Center, UPMC Hillman Cancer Center, Pittsburgh, PA, USA. .,Cancer Immunology and Immunotherapy Program, UPMC Hillman Cancer Center, Pittsburgh, PA, USA.
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17
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Host Components That Modulate the Disease Caused by hMPV. Viruses 2021; 13:v13030519. [PMID: 33809875 PMCID: PMC8004172 DOI: 10.3390/v13030519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/27/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022] Open
Abstract
Human metapneumovirus (hMPV) is one of the main pathogens responsible for acute respiratory infections in children up to 5 years of age, contributing substantially to health burden. The worldwide economic and social impact of this virus is significant and must be addressed. The structural components of hMPV (either proteins or genetic material) can be detected by several receptors expressed by host cells through the engagement of pattern recognition receptors. The recognition of the structural components of hMPV can promote the signaling of the immune response to clear the infection, leading to the activation of several pathways, such as those related to the interferon response. Even so, several intrinsic factors are capable of modulating the immune response or directly inhibiting the replication of hMPV. This article will discuss the current knowledge regarding the innate and adaptive immune response during hMPV infections. Accordingly, the host intrinsic components capable of modulating the immune response and the elements capable of restricting viral replication during hMPV infections will be examined.
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18
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Adaptive constrained constructive optimisation for complex vascularisation processes. Sci Rep 2021; 11:6180. [PMID: 33731776 PMCID: PMC7969782 DOI: 10.1038/s41598-021-85434-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 02/26/2021] [Indexed: 11/09/2022] Open
Abstract
Mimicking angiogenetic processes in vascular territories acquires importance in the analysis of the multi-scale circulatory cascade and the coupling between blood flow and cell function. The present work extends, in several aspects, the Constrained Constructive Optimisation (CCO) algorithm to tackle complex automatic vascularisation tasks. The main extensions are based on the integration of adaptive optimisation criteria and multi-staged space-filling strategies which enhance the modelling capabilities of CCO for specific vascular architectures. Moreover, this vascular outgrowth can be performed either from scratch or from an existing network of vessels. Hence, the vascular territory is defined as a partition of vascular, avascular and carriage domains (the last one contains vessels but not terminals) allowing one to model complex vascular domains. In turn, the multi-staged space-filling approach allows one to delineate a sequence of biologically-inspired stages during the vascularisation process by exploiting different constraints, optimisation strategies and domain partitions stage by stage, improving the consistency with the architectural hierarchy observed in anatomical structures. With these features, the aDaptive CCO (DCCO) algorithm proposed here aims at improving the modelled network anatomy. The capabilities of the DCCO algorithm are assessed with a number of anatomically realistic scenarios.
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19
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Yeganeh Z, Nabi M, Solymani S, Yazdian S, Razavinia A, Khalili A. The role of long-range non-coding RNAs NeST, NTT, BACE1-AS, CCAT2, FOXCUT and HULC as predictor biomarkers in breast cancer. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Fan W, Jiao P, Zhang H, Chen T, Zhou X, Qi Y, Sun L, Shang Y, Zhu H, Hu R, Liu W, Li J. Inhibition of African Swine Fever Virus Replication by Porcine Type I and Type II Interferons. Front Microbiol 2020; 11:1203. [PMID: 32655518 PMCID: PMC7325991 DOI: 10.3389/fmicb.2020.01203] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 05/12/2020] [Indexed: 02/03/2023] Open
Abstract
Interferons (IFNs) are proteins produced by a variety of cells during the process of virus infection. It can activate the transcription of multiple functional genes in cells, regulate the synergistic effect of multiple signaling pathways, and mediate a variety of biological functions such as antiviral activity and immune regulation. The symptoms of hosts infected with African swine fever virus (ASFV) depend on the combined interaction between viruses and the host. However, it is unclear whether IFNs can be used as an emergency preventive treatment for ASFV. This study focused on the use of recombinant porcine IFNs, produced by Escherichia coli, to inhibit the replication of ASFV. The activity of IFN against ASFV was detected using primary alveolar macrophages at different doses through immunofluorescence assays and quantitative real-time PCR. We found that both 1000 and 100 U/mL doses significantly inhibited the replication of ASFV. Meanwhile, we found that IFNs could significantly trigger the production of a variety of IFN-induced genes (IFIT1, IFITM3, Mx-1, OASL, ISG15, PKR, GBP1, Viperin, BST2, IRF-1, and CXCL10) and MHC molecules, which play key roles in resistance to virus infection. Peripheral blood samples were also obtained from surviving pigs treated with IFNs, and the viral load was determined. Consistent with in vitro tests, low-dose (105 U/kg) recombinant porcine IFNs (PoIFN-α and PoIFN-γ) significantly reduced viral load compared to that with high-dose (106 U/kg) treatment. Our results suggest that recombinant porcine IFNs have high antiviral activity against ASFV, providing a new strategy for the prevention of African swine fever.
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Affiliation(s)
- Wenhui Fan
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Pengtao Jiao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - He Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Teng Chen
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun, China
| | - Xintao Zhou
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun, China
| | - Yu Qi
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun, China
| | - Lei Sun
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yingli Shang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, College of Veterinary Medicine, Shandong Agricultural University, Tai'an, China
| | - Hongfei Zhu
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Rongliang Hu
- Institute of Military Veterinary Medicine, Academy of Military Medical Science, Changchun, China
| | - Wenjun Liu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China.,Institute of Microbiology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Beijing, China
| | - Jing Li
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
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21
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CD8 T Cells and STAT1 Signaling Are Essential Codeterminants in Protection from Polyomavirus Encephalopathy. J Virol 2020; 94:JVI.02038-19. [PMID: 31996425 DOI: 10.1128/jvi.02038-19] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 01/21/2020] [Indexed: 01/27/2023] Open
Abstract
JC polyomavirus (JCPyV), a human-specific virus, causes the aggressive brain-demyelinating disease progressive multifocal leukoencephalopathy (PML) in individuals with depressed immune status. The increasing incidence of PML in patients receiving immunotherapeutic and chemotherapeutic agents creates a pressing clinical need to define biomarkers to stratify PML risk and develop anti-JCPyV interventions. Mouse polyomavirus (MuPyV) CNS infection causes encephalopathology and may provide insight into JCPyV-PML pathogenesis. Type I, II, and III interferons (IFNs), which all signal via the STAT1 transcription factor, mediate innate and adaptive immune defense against a variety of viral infections. We previously reported that type I and II IFNs control MuPyV infection in non-central nervous system (CNS) organs, but their relative contributions to MuPyV control in the brain remain unknown. To this end, mice deficient in type I, II, or III IFN receptors or STAT1 were infected intracerebrally with MuPyV. We found that STAT1, but not type I, II, or III IFNs, mediated viral control during acute and persistent MuPyV encephalitis. Mice deficient in STAT1 also developed severe hydrocephalus, blood-brain barrier permeability, and increased brain infiltration by myeloid cells. CD8 T cell deficiency alone did not increase MuPyV infection and pathology in the brain. In the absence of STAT1 signaling, however, depletion of CD8 T cells resulted in lytic infection of the choroid plexus and ependymal lining, marked meningitis, and 100% mortality within 2 weeks postinfection. Collectively, these findings indicate that STAT1 signaling and CD8 T cells cocontribute to controlling MuPyV infection in the brain and CNS injury.IMPORTANCE A comprehensive understanding of JCPyV-induced PML pathogenesis is needed to define determinants that predispose patients to PML, a goal whose urgency is heightened by the lack of anti-JCPyV agents. A handicap to achieving this goal is the lack of a tractable animal model to study PML pathogenesis. Using intracerebral inoculation with MuPyV, we found that MuPyV encephalitis in wild-type mice causes an encephalopathy, which is markedly exacerbated in mice deficient in STAT1, a molecule involved in transducing signals from type I, II, and III IFN receptors. CD8 T cell deficiency compounded the severity of MuPyV neuropathology and resulted in dramatically elevated virus levels in the CNS. These findings demonstrate that STAT1 signaling and CD8 T cells concomitantly act to mitigate MuPyV-encephalopathy and control viral infection.
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22
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LeMessurier KS, Tiwary M, Morin NP, Samarasinghe AE. Respiratory Barrier as a Safeguard and Regulator of Defense Against Influenza A Virus and Streptococcus pneumoniae. Front Immunol 2020; 11:3. [PMID: 32117216 PMCID: PMC7011736 DOI: 10.3389/fimmu.2020.00003] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 01/03/2020] [Indexed: 12/27/2022] Open
Abstract
The primary function of the respiratory system of gas exchange renders it vulnerable to environmental pathogens that circulate in the air. Physical and cellular barriers of the respiratory tract mucosal surface utilize a variety of strategies to obstruct microbe entry. Physical barrier defenses including the surface fluid replete with antimicrobials, neutralizing immunoglobulins, mucus, and the epithelial cell layer with rapidly beating cilia form a near impenetrable wall that separates the external environment from the internal soft tissue of the host. Resident leukocytes, primarily of the innate immune branch, also maintain airway integrity by constant surveillance and the maintenance of homeostasis through the release of cytokines and growth factors. Unfortunately, pathogens such as influenza virus and Streptococcus pneumoniae require hosts for their replication and dissemination, and prey on the respiratory tract as an ideal environment causing severe damage to the host during their invasion. In this review, we outline the host-pathogen interactions during influenza and post-influenza bacterial pneumonia with a focus on inter- and intra-cellular crosstalk important in pulmonary immune responses.
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Affiliation(s)
- Kim S LeMessurier
- Department of Pediatrics, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Division of Pulmonology, Allergy-Immunology, and Sleep, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Le Bonheur Children's Hospital, Children's Foundation Research Institute, Memphis, TN, United States
| | - Meenakshi Tiwary
- Department of Pediatrics, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Division of Pulmonology, Allergy-Immunology, and Sleep, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Le Bonheur Children's Hospital, Children's Foundation Research Institute, Memphis, TN, United States
| | - Nicholas P Morin
- Department of Pediatrics, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Division of Critical Care Medicine, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States
| | - Amali E Samarasinghe
- Department of Pediatrics, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Division of Pulmonology, Allergy-Immunology, and Sleep, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, United States.,Le Bonheur Children's Hospital, Children's Foundation Research Institute, Memphis, TN, United States
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23
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Liu S, Karaganis S, Mo RF, Li XX, Wen RX, Song XJ. IFNβ Treatment Inhibits Nerve Injury-induced Mechanical Allodynia and MAPK Signaling By Activating ISG15 in Mouse Spinal Cord. THE JOURNAL OF PAIN 2019; 21:836-847. [PMID: 31785403 DOI: 10.1016/j.jpain.2019.11.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 10/15/2019] [Accepted: 11/11/2019] [Indexed: 01/10/2023]
Abstract
Neuropathic pain is difficult to treat and remains a major clinical challenge worldwide. While the mechanisms which underlie the development of neuropathic pain are incompletely understood, interferon signaling by the immune system is known to play a role. Here, we demonstrate a role for interferon β (IFNβ) in attenuating mechanical allodynia induced by the spared nerve injury in mice. The results show that intrathecal administration of IFNβ (dosages up to 5,000 U) produces significant, transient, and dose-dependent attenuation of mechanical allodynia without observable effects on motor activity or feeding behavior, as is common with IFN administration. This analgesic effect is mediated by the ubiquitin-like protein interferon-stimulated gene 15 (ISG15), which is potently induced within the spinal cord following intrathecal delivery of IFNβ. Both free and conjugated ISG15 are elevated following IFNβ treatment, and this effect is increased in UBP43-/- mice lacking a key deconjugating enzyme. The IFNβ-mediated analgesia reduces MAPK signaling activation following nerve injury, and this effect requires induction of ISG15. These findings highlight a new role for IFNβ, ISG15, and MAPK signaling in immunomodulation of neuropathic pain and may lead to new therapeutic possibilities. PERSPECTIVE: Neuropathic pain is frequently intractable in a clinical setting, and new treatment options are needed. Characterizing the antinociceptive potential of IFNβ and the associated downstream signaling pathways in preclinical models may lead to the development of new therapeutic options for debilitating neuropathies.
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Affiliation(s)
- Su Liu
- SUSTech Center for Pain Medicine, Medical School, Southern University of Science and Technology, Shenzhen, Guangdong, China; Department of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Stephen Karaganis
- SUSTech Center for Pain Medicine, Medical School, Southern University of Science and Technology, Shenzhen, Guangdong, China; Department of Life, Earth and Environmental Sciences, West Texas A&M University, Amarillo, Texas
| | - Ru-Fan Mo
- SUSTech Center for Pain Medicine, Medical School, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Xiao-Xiao Li
- Department of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Ruo-Xin Wen
- SUSTech Center for Pain Medicine, Medical School, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Xue-Jun Song
- SUSTech Center for Pain Medicine, Medical School, Southern University of Science and Technology, Shenzhen, Guangdong, China.
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24
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Interferon gamma inhibits transmissible gastroenteritis virus infection mediated by an IRF1 signaling pathway. Arch Virol 2019; 164:2659-2669. [PMID: 31385116 PMCID: PMC7086799 DOI: 10.1007/s00705-019-04362-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 07/01/2019] [Indexed: 01/05/2023]
Abstract
Interferon gamma (IFN-γ) is best known for its ability to regulate host immune responses; however, its direct antiviral activity is less well studied. Transmissible gastroenteritis virus (TGEV) is an economically important swine enteric coronavirus and causes acute diarrhea in piglets. At present, little is known about the function of IFN-γ in the control of TGEV infection. In this study, we demonstrated that IFN-γ inhibited TGEV infection directly in ST cells and intestine epithelial IPEC-J2 cells and that the anti-TGEV activity of IFN-γ was independent of IFN-α/β. Moreover, IFN-γ suppressed TGEV infection in ST cells more efficiently than did IFN-α, and the combination of IFN-γ and IFN-α displayed a synergistic effect against TGEV. Mechanistically, using overexpression and functional knockdown experiments, we demonstrated that porcine interferon regulatory factor 1 (poIRF1) elicited by IFN-γ primarily mediated IFN-γ signaling cascades and the inhibition of TGEV infection by IFN-γ. Importantly, we found that TGEV elevated the expression of poIRF1 and IFN-γ in infected small intestines and peripheral blood mononuclear cells. Thus, IFN-γ plays a crucial role in curtailing enteric coronavirus infection and may serve as an effective prophylactic and/or therapeutic agent against TGEV infection.
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25
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Sun P, Fahd Q, Li Y, Sun Y, Li J, Qaria MA, He ZS, Fan Y, Zhang Q, Xu Q, Yin Z, Xu X, Li Y. Transcriptomic analysis of small intestinal mucosa from porcine epidemic diarrhea virus infected piglets. Microb Pathog 2019; 132:73-79. [PMID: 31026494 PMCID: PMC7125762 DOI: 10.1016/j.micpath.2019.04.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/31/2019] [Accepted: 04/22/2019] [Indexed: 12/20/2022]
Abstract
Caused by porcine epidemic diarrhea virus (PEDV), porcine epidemic diarrhea (PED) is an acute infectious disease which causes damage to the intestine including intestinal villus atrophy and shedding, leading to serious economic losses to the pig industry worldwide. In order to obtain detailed information about the pathogenesis and host immune response in a PEDV-infected host for first In vivo study we used high-throughput sequencing to analyze the gene expression differences of the small intestinal mucosa after infection with PEDV. Transcripts obtained were over 65,525,000 clean reads after reassembly were 22,605 genes detected, of which 22,248 were known genes and 371 new genes were predicted. Moreover, 3168 genes expression was up-regulated and 3876 genes down-regulated. (Gene Ontology) GO annotation and functional enrichment analysis indicated that all of the DEGs (differentially expressed genes) were annotated into biological process, cellular component and molecular function. Most of these unigenes are annotated in cellular processes, the cell and binding. KEGG analysis of the DEGs showed that a total of 7044 DEGs unigenes were annotated into 323 pathways classified into 6 main categories. Most of these unigenes are annotated were related to immune system response to the infectious diseases pathways. In addition, 20 DEGs were verified by quantitative real-time PCR. As the first, in vivo, RNAseq analysis of piglets and PEDV infection, our study provides knowledge about the transcriptomics of intestinal mucosa in PEDV-infected piglets, from which a complex molecular pathways and pathogenesis-related biological processes are involved in PEDV interaction with piglet intestinal mucosa.
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Affiliation(s)
- Pei Sun
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China; Anhui Province Key Laboratory of Veterinary Pathobiology and Disease Control, Hefei, Anhui, 230036, PR China.
| | - Qarih Fahd
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Yezhen Li
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Yao Sun
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Jie Li
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Majjid A Qaria
- Pathogens Biology Laboratory, Department of Biotechnology and Bioinformatics, University of Hyderabad, Hyderabad, India.
| | - Zhan Song He
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Yuzhen Fan
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Qiang Zhang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Qianming Xu
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Zongjun Yin
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
| | - Xingang Xu
- College of Veterinary Medicine Northwest Agriculture and Forestry University. Yangling, Shanxi, 712100, PR China.
| | - Yu Li
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, 230036, PR China.
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26
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Molero-Abraham M, Sanchez-Trincado JL, Gomez-Perosanz M, Torres-Gomez A, Subiza JL, Lafuente EM, Reche PA. Human Oral Epithelial Cells Impair Bacteria-Mediated Maturation of Dendritic Cells and Render T Cells Unresponsive to Stimulation. Front Immunol 2019; 10:1434. [PMID: 31316504 PMCID: PMC6611079 DOI: 10.3389/fimmu.2019.01434] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 06/07/2019] [Indexed: 01/03/2023] Open
Abstract
The oral mucosa is a first line of defense against pathogenic organisms and yet tolerates food antigens and resident bacteria. Mucosal epithelial cells are emerging as important regulators of innate and adaptive immune responses. However, the contribution of oral epithelial cells (OECs) determining oral immunity is understudied. Here, we evaluated the ability of H413 and TR146 cells, two OEC lines derived from human oral squamous cell carcinomas, and primary OECs to modulate immune responses to a cocktail of Gram+ and Gram− bacteria known as MV130. OECs expressed CD40 constitutively and class II major histocompatibility complex (MHC II) molecules when stimulated with IFNγ, but not CD80 or CD86. Dendritic cells (DCs) treated with bacteria in co-culture with OECs did not fully mature, as judged by the expression of MHC II, CD80 and CD86, and barely released IL-12 and TNFα, compared to control DCs. Furthermore, in the presence of OECs, DCs were unable to stimulate allogenic naive CD4 T cells to produce IFNγ and TNFα. Similarly, OECs in culture with total CD4 T cells or Th1 cells stimulated with anti-CD3 and anti-CD28 antibodies abrogated CD25 and CD69 expression, T cell proliferation and the release of IFNγ and TNFα. The inhibition on T cell activation by OECs was cell-contact dependent, TGFβ independent and largely irreversible. Overall, this behavior of OECs is likely key to avoid immune system over-reaction against resident bacteria.
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Affiliation(s)
| | - Jose L Sanchez-Trincado
- Department of Immunology, School of Medicine, Complutense University of Madrid, Madrid, Spain
| | - Marta Gomez-Perosanz
- Department of Immunology, School of Medicine, Complutense University of Madrid, Madrid, Spain
| | - Alvaro Torres-Gomez
- Department of Immunology, School of Medicine, Complutense University of Madrid, Madrid, Spain
| | | | - Esther M Lafuente
- Department of Immunology, School of Medicine, Complutense University of Madrid, Madrid, Spain
| | - Pedro A Reche
- Department of Immunology, School of Medicine, Complutense University of Madrid, Madrid, Spain
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27
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Stanifer ML, Pervolaraki K, Boulant S. Differential Regulation of Type I and Type III Interferon Signaling. Int J Mol Sci 2019; 20:E1445. [PMID: 30901970 PMCID: PMC6471306 DOI: 10.3390/ijms20061445] [Citation(s) in RCA: 136] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/15/2019] [Accepted: 03/18/2019] [Indexed: 12/12/2022] Open
Abstract
Interferons (IFNs) are very powerful cytokines, which play a key role in combatting pathogen infections by controlling inflammation and immune response by directly inducing anti-pathogen molecular countermeasures. There are three classes of IFNs: type I, type II and type III. While type II IFN is specific for immune cells, type I and III IFNs are expressed by both immune and tissue specific cells. Unlike type I IFNs, type III IFNs have a unique tropism where their signaling and functions are mostly restricted to epithelial cells. As such, this class of IFN has recently emerged as a key player in mucosal immunity. Since the discovery of type III IFNs, the last 15 years of research in the IFN field has focused on understanding whether the induction, the signaling and the function of these powerful cytokines are regulated differently compared to type I IFN-mediated immune response. This review will cover the current state of the knowledge of the similarities and differences in the signaling pathways emanating from type I and type III IFN stimulation.
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Affiliation(s)
- Megan L Stanifer
- Schaller research group at CellNetworks, Department of Infectious Diseases, Heidelberg University Hospital, 69120 Heidelberg, Germany.
- Research Group "Cellular polarity and viral infection" (F140), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.
| | - Kalliopi Pervolaraki
- Schaller research group at CellNetworks, Department of Infectious Diseases, Heidelberg University Hospital, 69120 Heidelberg, Germany.
- Research Group "Cellular polarity and viral infection" (F140), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.
| | - Steeve Boulant
- Schaller research group at CellNetworks, Department of Infectious Diseases, Heidelberg University Hospital, 69120 Heidelberg, Germany.
- Research Group "Cellular polarity and viral infection" (F140), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.
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28
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Ismael AB, Mergani A, Salim A, Mostafa S, Alkafaween I. Interferon-γ receptor-1 gene promoter polymorphisms and susceptibility for brucellosis in Makkah region. Afr Health Sci 2018; 18:1157-1165. [PMID: 30766581 PMCID: PMC6354847 DOI: 10.4314/ahs.v18i4.36] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Genetic polymorphisms that affect the production levels of certain cytokines and/or their receptors may determine the risk, severity or protection in some infectious diseases like brucellosis. OBJECTIVES The aim of this study was to investigate the association of certain known Interferon-γ Receptor-1 (IFN-γ R1) gene promoter polymorphisms and the susceptibility to infection with Brucellosis in Saudi population. METHODS A cases-control association study was conducted in 69 individuals with human brucellosis and 94 healthy individuals. Genotyping of IFN-γ R1 - 56 C>T and IFN-γ R1 - 611 A>G polymorphism in both patients and healthy controls was done by PCR- restriction enzyme length polymorphisms (PCR-RFLP) and PCR- confronting two primer pairs (PCR-CTPP) methods and were assessed for potential associations with susceptibility for human brucellosis and their mode of penetrance. RESULTS Interestingly, we have designed a PCR-CTPP system to be used for genotyping of IFN-γ R1 - 611 A > G polymorphism. The PCR-CTPP is an accurate method for genotyping of SNPs. Moreover, it is time-saving, inexpensive and easy to perform. CONCLUSION Both tested polymorphisms, IFN-γ R1 - 56 C>T and IFN-γ R1 -611 A>G polymorphism had no role in genetic susceptibility to human brucellosis in the study population. The PCR-CTPP can be used for genotyping IFN-γ R1 - 611 A > G polymorphism and other types of mutation.
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Affiliation(s)
- A B Ismael
- Department of Medical Biotechnology, Faculty of Applied Medical Sciences, Taif University, Turrabah, 21995, KSA
- Department of Animal Medicine, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt
| | - A Mergani
- Department of Medical Biotechnology, Faculty of Applied Medical Sciences, Taif University, Turrabah, 21995, KSA
- Department of Human Molecular Genetics, National Cancer Institute (NCI), Gezira University, Sudan
| | - A Salim
- Department of Medical Microbiology, Faculty of Applied Medical Sciences, Taif University, Turabah, 21995, KSA
| | - S Mostafa
- Department of Medical Microbiology, Faculty of Applied Medical Sciences, Taif University, Turabah, 21995, KSA
- Immunobiology and Immunopharmacology Unit, Animal Reproduction Research Institute (ARRI), Giza, Egypt
| | - I Alkafaween
- Department of Medical Microbiology, Faculty of Applied Medical Sciences, Taif University, Turabah, 21995, KSA
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29
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Tanino T, Bando T, Nojiri Y, Okada Y, Nagai N, Ueda Y, Sakurai E. Hepatic cytochrome P450 metabolism suppressed by mast cells in type 1 allergic mice. Biochem Pharmacol 2018; 158:318-326. [PMID: 30395837 DOI: 10.1016/j.bcp.2018.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 11/01/2018] [Indexed: 12/11/2022]
Abstract
Mast cells and Kupffer cells secrete interleukin (IL)-1β, interferon (IFN)-γ, and tumor necrosis factor (TNF)-α, which stimulate excess nitric oxide (NO) producing-inducible NO synthase (iNOS). Unlike Kupffer cells, immunoglobulin E-sensitized mast cells elicit sustained NO production. We investigated the participation of mast cell-released NO and cytokine-derived iNOS activation in type 1 allergy-suppressed hepatic cytochrome P450 (CYP) metabolism. Aminoguanidine, a selective iNOS inhibitor, completely suppressed serum nitrate plus nitrite (NOx) concentrations after primary and secondary sensitization of ICR mice and markedly attenuated allergy-suppressed hepatic CYP1A2, CYP2C, CYP2E1, and CYP3A activities. In the liver, primary and secondary sensitization enhanced iNOS-stimulating IFN-γ (5-15-fold) and TNF-α (3-5-fold) mRNA levels more than IL-1β (2-fold) and F4/80-positive Kupffer cell (2-fold) mRNA levels. When mast cell-deficient (-/-) mice were sensitized, hepatic CYP activities were not suppressed. Serum NOx levels in the sensitized -/- mice were similar with those in saline-treated ICR and -/- mice. In the liver of -/- mice, secondary sensitization markedly enhanced mRNA expression of iNOS (20-fold), IFN-γ (15-fold), and TNF-α (3-fold). However, hepatic total NOS activities in -/- mice were not significantly different between saline treatment and sensitization. Similarly, primary and secondary ICR mice did not significantly enhance total NOS activities in the liver and hepatocytes. The total NOS activities observed did not relate to the high levels of iNOS, IFN-γ, and TNF-α mRNA in the liver. Hepatic c-kit-positive mast cells in sensitized ICR mice were maintained at control levels. Therefore, our data suggest that mast cell-released NO participates in type 1 allergy-suppressed CYP1A2, CYP2C, CYP2E1, and CYP3A metabolism.
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Affiliation(s)
- Tadatoshi Tanino
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Bouji Nishihama, Yamashiro-cho, Tokushima, Tokushima 770-8514, Japan
| | - Toru Bando
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Bouji Nishihama, Yamashiro-cho, Tokushima, Tokushima 770-8514, Japan
| | - Yukie Nojiri
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Bouji Nishihama, Yamashiro-cho, Tokushima, Tokushima 770-8514, Japan
| | - Yuna Okada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Bouji Nishihama, Yamashiro-cho, Tokushima, Tokushima 770-8514, Japan
| | - Noriaki Nagai
- Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Yukari Ueda
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Bouji Nishihama, Yamashiro-cho, Tokushima, Tokushima 770-8514, Japan
| | - Eiichi Sakurai
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, 180 Bouji Nishihama, Yamashiro-cho, Tokushima, Tokushima 770-8514, Japan.
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Franco-Topete R, Zepeda-Nuño JS, Zamora-Perez AL, Fuentes-Lerma MG, Gómez-Meda BC, Guerrero-Velázquez C. IFN-γR2 is strongly expressed on endothelial cells of gingival tissues from patients with chronic periodontitis. J Appl Oral Sci 2018; 26:e20170291. [PMID: 30304122 PMCID: PMC6172018 DOI: 10.1590/1678-7757-2017-0291] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 03/07/2018] [Accepted: 03/10/2018] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVE Chronic periodontitis (CP) is characterized by gingival inflammation and bone destruction. It has been reported that interferon-gamma (IFN-γ) levels are high in CP patients; however, the IFN-γ receptor (IFN-γR) has not been studied in gingival tissue from these patients. To evaluate IFN-γ levels and IFN-γR expression in gingival tissue biopsies from chronic periodontitis patients compared with healthy subjects (HS). MATERIAL AND METHODS Gingival tissues were obtained from all study subjects, CP (n = 18) and healthy subjects (HS) (n = 12). A tissue section of each study subject was embedded in paraffin blocks to determine the expression of IFN-γ R (IFN-γR1 and IFN-γR2) through immunohistochemistry. Another section of the tissue was homogenized and IFN-γ was measured by the ELISA technique. RESULTS No significant differences were found in the IFN-γR1 expression within the cell layers of the gingival tissue of the study groups. When analyzing the IFN-γR2 expression it was found that IFN-γR2 is strongly expressed in the endothelial cells of CP patients when compared to HS (p<0.05). IFN-γ concentrations in the gingival tissue were significantly higher in CP patients than in HS. No significant correlation between IFN-γ levels and the expression of IFN-γR1 and IFN-γR2 was found. However, a positive correlation between IFN-γ levels and clinical parameters [probing depth (PD) and clinical attachment level (CAL)] was found. CONCLUSION The study of IFN-γR expression in gingival tissue samples from patients with CP showed an increase only in the IFN-γR2 chain in endothelial cells when compared to HS.
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Affiliation(s)
- Ramón Franco-Topete
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Departamento de Microbiología y Patología, Laboratorio de Patología, Guadalajara, México
| | - José Sergio Zepeda-Nuño
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Departamento de Microbiología y Patología, Laboratorio de Patología, Guadalajara, México
| | - Ana Lourdes Zamora-Perez
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Departamento de Clínicas Odontológicas Integrales, Instituto de Investigación en Odontología, Guadalajara, México
| | - Martha Graciela Fuentes-Lerma
- Universidad de Guadalajara, Centro Universitario de los Altos, Departamento de Clínicas, Tepatitlán de Morelos, México
| | - Belinda Claudia Gómez-Meda
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Instituto de Biología Molecular en Medicina y Terapia Génica, Departamento de Biología Molecular y Genómica, Guadalajara, México
| | - Celia Guerrero-Velázquez
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Departamento de Clínicas Odontológicas Integrales, Instituto de Investigación en Odontología, Guadalajara, México
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Nizzoli G, Burrello C, Cribiù FM, Lovati G, Ercoli G, Botti F, Trombetta E, Porretti L, Todoerti K, Neri A, Giuffrè MR, Geginat J, Vecchi M, Rescigno M, Paroni M, Caprioli F, Facciotti F. Pathogenicity of In Vivo Generated Intestinal Th17 Lymphocytes is IFNγ Dependent. J Crohns Colitis 2018; 12:981-992. [PMID: 29697763 DOI: 10.1093/ecco-jcc/jjy051] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 04/19/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND AIMS T helper 17 [Th17] cells are crucially involved in the immunopathogenesis of inflammatory bowel diseases in humans. Nevertheless, pharmacological blockade of interleukin 17A [IL17A], the Th17 signature cytokine, yielded negative results in patients with Crohn's disease [CD], and attempts to elucidate the determinants of Th17 cells' pathogenicity in the gut have so far proved unsuccessful. Here, we aimed to identify and functionally validate the pathogenic determinants of intestinal IL-17-producing T cells. METHODS In vivo-generated murine intestinal IL-17-producing T cells were adoptively transferred into immunodeficient Rag1-/- recipients to test their pathogenicity. Human IL-17, IFNγ/IL-17, and IFNγ actively secreting T cell clones were generated from lamina propria lymphocytes of CD patients. The pathogenic activity of intestinal IL-17-producing T cells against the intestinal epithelium was evaluated. RESULTS IL-17-producing cells with variable colitogenic activity can be generated in vivo using different experimental colitis models. The pathogenicity of IL-17-secreting cells was directly dependent on their IFNγ secretion capacity, as demonstrated by the reduced colitogenic activity of IL-17-secreting cells isolated from IFNγ-/- mice. Moreover, IFNγ production is a distinguished attribute of CD-derived lamina propria Th17 cells. IFNγ secretion by CD-derived IL-17-producing intestinal clones is directly implicated in the epithelial barrier disruption through the modulation of tight junction proteins. CONCLUSIONS Intestinal Th17 cell pathogenicity is associated with IFNγ production, which directly affects intestinal permeability through the disruption of epithelial tight junctions.
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Affiliation(s)
- Giulia Nizzoli
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Claudia Burrello
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy.,Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Fulvia Milena Cribiù
- Pathology Unit, Fondazione IRCCS Ca' Granda Ospedale Policlinico di Milano, Milan, Italy
| | - Giulia Lovati
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Giulia Ercoli
- Pathology Unit, Fondazione IRCCS Ca' Granda Ospedale Policlinico di Milano, Milan, Italy
| | - Fiorenzo Botti
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy.,General and Emergency Surgery Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Elena Trombetta
- Flow Cytometry Service, Clinical Chemistry and Microbiology Laboratory Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Laura Porretti
- Flow Cytometry Service, Clinical Chemistry and Microbiology Laboratory Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Katia Todoerti
- Laboratory of Pre-clinical and Translational Research, IRCCS-CROB, Referral Cancer Center of Basilicata, Rionero in Vulture, Italy
| | - Antonino Neri
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy.,Hematology Unit, Fondazione IRCCS Ca ' Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Maria Rita Giuffrè
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Jens Geginat
- INGM ? National Institute of Molecular Genetics "Romeo ed Enrico Invernizzi" Milan, Italy
| | - Maurizio Vecchi
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
| | - Maria Rescigno
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
| | - Moira Paroni
- Department of Biosciences, Università degli Studi di Milano, Milan, Italy
| | - Flavio Caprioli
- Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Milan, Italy
| | - Federica Facciotti
- Department of Experimental Oncology, European Institute of Oncology, Milan, Italy
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Castro F, Cardoso AP, Gonçalves RM, Serre K, Oliveira MJ. Interferon-Gamma at the Crossroads of Tumor Immune Surveillance or Evasion. Front Immunol 2018; 9:847. [PMID: 29780381 PMCID: PMC5945880 DOI: 10.3389/fimmu.2018.00847] [Citation(s) in RCA: 753] [Impact Index Per Article: 125.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 04/05/2018] [Indexed: 12/15/2022] Open
Abstract
Interferon-gamma (IFN-γ) is a pleiotropic molecule with associated antiproliferative, pro-apoptotic and antitumor mechanisms. This effector cytokine, often considered as a major effector of immunity, has been used in the treatment of several diseases, despite its adverse effects. Although broad evidence implicating IFN-γ in tumor immune surveillance, IFN-γ-based therapies undergoing clinical trials have been of limited success. In fact, recent reports suggested that it may also play a protumorigenic role, namely, through IFN-γ signaling insensitivity, downregulation of major histocompatibility complexes, and upregulation of indoleamine 2,3-dioxygenase and of checkpoint inhibitors, as programmed cell-death ligand 1. However, the IFN-γ-mediated responses are still positively associated with patient's survival in several cancers. Consequently, major research efforts are required to understand the immune contexture in which IFN-γ induces its intricate and highly regulated effects in the tumor microenvironment. This review discusses the current knowledge on the pro- and antitumorigenic effects of IFN-γ as part of the complex immune response to cancer, highlighting the relevance to identify IFN-γ responsive patients for the improvement of therapies that exploit associated signaling pathways.
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Affiliation(s)
- Flávia Castro
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB – Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
- ICBAS – Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Ana Patrícia Cardoso
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB – Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Raquel Madeira Gonçalves
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB – Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
- ICBAS – Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Karine Serre
- IMM – Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Maria José Oliveira
- i3S – Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB – Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
- Departamento de Patologia e Oncologia, Faculdade de Medicina, Universidade do Porto, Porto, Portugal
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Nan Y, Wu C, Zhang YJ. Interferon Independent Non-Canonical STAT Activation and Virus Induced Inflammation. Viruses 2018; 10:v10040196. [PMID: 29662014 PMCID: PMC5923490 DOI: 10.3390/v10040196] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 04/07/2018] [Accepted: 04/11/2018] [Indexed: 02/06/2023] Open
Abstract
Interferons (IFNs) are a group of secreted proteins that play critical roles in antiviral immunity, antitumor activity, activation of cytotoxic T cells, and modulation of host immune responses. IFNs are cytokines, and bind receptors on cell surfaces to trigger signal transduction. The major signaling pathway activated by IFNs is the JAK/STAT (Janus kinase/signal transducer and activator of transcription) pathway, a complex pathway involved in both viral and host survival strategies. On the one hand, viruses have evolved strategies to escape from antiviral host defenses evoked by IFN-activated JAK/STAT signaling. On the other hand, viruses have also evolved to exploit the JAK/STAT pathway to evoke activation of certain STATs that somehow promote viral pathogenesis. In this review, recent progress in our understanding of the virus-induced IFN-independent STAT signaling and its potential roles in viral induced inflammation and pathogenesis are summarized in detail, and perspectives are provided.
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Affiliation(s)
- Yuchen Nan
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China.
- Molecular Virology Laboratory, VA-MD College of Veterinary Medicine and Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742, USA.
| | - Chunyan Wu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China.
| | - Yan-Jin Zhang
- Molecular Virology Laboratory, VA-MD College of Veterinary Medicine and Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742, USA.
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Frombach J, Sonnenburg A, Krapohl BD, Zuberbier T, Peiser M, Stahlmann R, Schreiner M. Lymphocyte surface markers and cytokines are suitable for detection and potency assessment of skin-sensitizing chemicals in an in vitro model of allergic contact dermatitis: the LCSA-ly. Arch Toxicol 2018; 92:1495-1505. [PMID: 29380012 DOI: 10.1007/s00204-018-2164-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 01/17/2018] [Indexed: 12/25/2022]
Abstract
Allergic contact dermatitis is a widespread health disorder and occupational skin disease. Hence, screening for contact-sensitizing chemicals is highly relevant to toxicology, dermatology, and occupational medicine. The use of animal tests for this purpose is constrained by ethical considerations, need for high-throughput screening, and legislation (e.g., for cosmetics in the European Union). T cell activation is the final and most specific key event of the "adverse outcome pathway" for skin sensitization and therefore a promising target for the development of in vitro sensitization assays. We present a novel in vitro sensitization assay with a lymphocyte endpoint as an add-on to the loose-fit coculture-based sensitization assay (LCSA): the LCSA-ly. While the LCSA measures dendritic cell activation, the LCSA-ly offers the option for an additional lymphocyte endpoint which can be measured concurrently. We incorporated lymphocytes in our previously established coculture of primary human keratinocytes and monocyte-derived dendritic cells and tested nine substances: five sensitizers [2,4-dinitrochlorobenzene (DNCB) 1.25-15 µmol/l, p-phenylenediamine (PPD) 15.6-125 µmol/l, 2-mercaptobenzothiazole (MBT) 50-1000 µmol/l, coumarin, and resorcinol (both: 250-1500 µmol/l)] and four non-sensitizers (monochlorobenzene, caprylic acid, glycerol, and salicylic acid (all: 125-1000 µmol/l)]. DNCB and MBT increased a subset of IL-23 receptor+/IFN-γ receptor 1 (CD119)+ lymphocytes. DNCB, PPD, and MBT enhanced a subunit of the IL-4 receptor (CD124) and a memory marker (CD44) on lymphocytes. Remarkably, DNCB, PPD, and MBT raised IL-4 concentrations in coculture supernatants while IFN-γ levels decreased, which might point to Th2 activation in vitro. Coumarin, resorcinol, and non-sensitizers did not alter any of the tested surface markers or cytokines. IL-17 was not affected by any of the substances. Relative strength of sensitizers according to lymphocyte markers was DNCB > PPD > MBT, which corresponds to earlier results from the LCSA without lymphocyte endpoint, the murine local lymph node assay, and human data. This study is the first to prove the suitability of lymphocyte surface markers for sensitization testing and potency assessment.
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Affiliation(s)
- Janna Frombach
- Institute of Clinical Pharmacology and Toxicology, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
- Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Anna Sonnenburg
- Institute of Clinical Pharmacology and Toxicology, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Björn-Dirk Krapohl
- Department of Plastic Surgery, St. Marien Hospital Berlin, Gallwitzallee 123, 12249, Berlin, Germany
| | - Torsten Zuberbier
- Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Matthias Peiser
- Department Safety of Pesticides, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589, Berlin, Germany
| | - Ralf Stahlmann
- Institute of Clinical Pharmacology and Toxicology, Charité-Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Maximilian Schreiner
- Department of Internal Medicine, Bundeswehr Hospital, Scharnhorststraße 13, 10115, Berlin, Germany.
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Niikura M, Inoue S, Mineo S, Asahi H, Kobayashi F. IFNGR1 signaling is associated with adverse pregnancy outcomes during infection with malaria parasites. PLoS One 2017; 12:e0185392. [PMID: 29117241 PMCID: PMC5678718 DOI: 10.1371/journal.pone.0185392] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 09/12/2017] [Indexed: 11/19/2022] Open
Abstract
Complicated/severe cases of placental pathology due to Plasmodium falciparum and P. vivax, especially adverse pregnancy outcomes during P. vivax infection, have been increasing in recent years. However, the pathogenesis of placental pathology during severe malaria is poorly understood, while responses against IFN-γ are thought to be associated with adverse pregnancy outcomes. In the present study, we explored the role of IFN-γ receptor 1 (IFNGR1) signaling in placental pathology during severe malaria using luciferase-expressing rodent malaria parasites, P. berghei NK65 (PbNK65L). We detected luciferase activities in the lung, spleen, adipose tissue, and placenta in pregnant mice, suggesting that infected erythrocytes could accumulate in various organs during infection. Importantly, we found that fetal mortality in IFNGR1-deficient mice infected with PbNK65L parasites was much less than in infected wild type (WT) mice. Placental pathology was also improved in IFNGR1-deficient mice. In contrast, bioluminescence imaging showed that parasite accumulation in the placentas of IFNGR1-deficient pregnant mice was comparable to that in WT mice infected with PbNK65L. These findings suggest that IFNGR1 signaling plays a pivotal role in placental pathology and subsequent adverse pregnancy outcomes during severe malaria. Our findings may increase our understanding of how disease aggravation occurs during malaria during pregnancy.
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Affiliation(s)
- Mamoru Niikura
- Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan
| | - Shin–Ichi Inoue
- Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan
| | - Shoichiro Mineo
- Department of Molecular Pathology, Tokyo Medical University, Tokyo, Japan
| | - Hiroko Asahi
- Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan
| | - Fumie Kobayashi
- Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan
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Nan Y, Wu C, Gu G, Sun W, Zhang YJ, Zhou EM. Improved Vaccine against PRRSV: Current Progress and Future Perspective. Front Microbiol 2017; 8:1635. [PMID: 28894443 PMCID: PMC5581347 DOI: 10.3389/fmicb.2017.01635] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Accepted: 08/11/2017] [Indexed: 12/20/2022] Open
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV), one of the most economically significant pathogens worldwide, has caused numerous outbreaks during the past 30 years. PRRSV infection causes reproductive failure in sows and respiratory disease in growing and finishing pigs, leading to huge economic losses for the swine industry. This impact has become even more significant with the recent emergence of highly pathogenic PRRSV strains from China, further exacerbating global food security. Since new PRRSV variants are constantly emerging from outbreaks, current strategies for controlling PRRSV have been largely inadequate, even though our understanding of PRRSV virology, evolution and host immune response has been rapidly expanding. Meanwhile, practical experience has revealed numerous safety and efficacy concerns for currently licensed vaccines, such as shedding of modified live virus (MLV), reversion to virulence, recombination between field strains and MLV and failure to elicit protective immunity against heterogeneous virus. Therefore, an effective vaccine against PRRSV infection is urgently needed. Here, we systematically review recent advances in PRRSV vaccine development. Antigenic variations resulting from PRRSV evolution, identification of neutralizing epitopes for heterogeneous isolates, broad neutralizing antibodies against PRRSV, chimeric virus generated by reverse genetics, and novel PRRSV strains with interferon-inducing phenotype will be discussed in detail. Moreover, techniques that could potentially transform current MLV vaccines into a superior vaccine will receive special emphasis, as will new insights for future PRRSV vaccine development. Ultimately, improved PRRSV vaccines may overcome the disadvantages of current vaccines and minimize the PRRS impact to the swine industry.
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Affiliation(s)
- Yuchen Nan
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F UniversityYangling, China
| | - Chunyan Wu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F UniversityYangling, China
| | - Guoqian Gu
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F UniversityYangling, China
| | - Weiyao Sun
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F UniversityYangling, China
| | - Yan-Jin Zhang
- Molecular Virology Laboratory, Virginia-Maryland College of Veterinary Medicine and Maryland Pathogen Research Institute, University of Maryland, College ParkMD, United States
| | - En-Min Zhou
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Northwest A&F UniversityYangling, China
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Selective Activation of Type II Interferon Signaling by Zika Virus NS5 Protein. J Virol 2017; 91:JVI.00163-17. [PMID: 28468880 DOI: 10.1128/jvi.00163-17] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 04/25/2017] [Indexed: 12/24/2022] Open
Abstract
Severe complications of Zika virus (ZIKV) infection might be caused by inflammation, but how ZIKV induces proinflammatory cytokines is not understood. In this study, we show opposite regulatory effects of the ZIKV NS5 protein on interferon (IFN) signaling. Whereas ZIKV and its NS5 protein were potent suppressors of type I and type III IFN signaling, they were found to activate type II IFN signaling. Inversely, IFN-γ augmented ZIKV replication. NS5 interacted with STAT2 and targeted it for ubiquitination and degradation, but it had no influence on STAT1 stability or nuclear translocation. The recruitment of STAT1-STAT2-IRF9 to IFN-β-stimulated genes was compromised when NS5 was expressed. Concurrently, the formation of STAT1-STAT1 homodimers and their recruitment to IFN-γ-stimulated genes, such as the gene encoding the proinflammatory cytokine CXCL10, were augmented. Silencing the expression of an IFN-γ receptor subunit or treatment of ZIKV-infected cells with a JAK2 inhibitor suppressed viral replication and viral induction of IFN-γ-stimulated genes. Taken together, our findings provide a new mechanism by which the ZIKV NS5 protein differentially regulates IFN signaling to facilitate viral replication and cause diseases. This activity might be shared by a group of viral IFN modulators.IMPORTANCE Mammalian cells produce three types of interferons to combat viral infection and to control host immune responses. To replicate and cause diseases, pathogenic viruses have developed different strategies to defeat the action of host interferons. Many viral proteins, including the Zika virus (ZIKV) NS5 protein, are known to be able to suppress the antiviral property of type I and type III interferons. Here we further show that the ZIKV NS5 protein can also boost the activity of type II interferon to induce cellular proteins that promote inflammation. This is mediated by the differential effect of the ZIKV NS5 protein on a pair of cellular transcription factors, STAT1 and STAT2. NS5 induces the degradation of STAT2 but promotes the formation of STAT1-STAT1 protein complexes, which activate genes controlled by type II interferon. A drug that specifically inhibits the IFN-γ receptor or STAT1 shows an anti-ZIKV effect and might also have anti-inflammatory activity.
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Bianchi PKFDC, Leandro RM, Poscai AN, Yoshinaga T, Gonçalez PO, Kfoury Junior JR. Progesterone Decreases in vitro Indoleamine 2, 3-dioxygenase Expression in Dendritic and CD4+ Cells from Maternal-Fetal Interface of Rats. Immunol Invest 2017; 46:447-459. [DOI: 10.1080/08820139.2017.1296856] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
| | - Rafael Magdanelo Leandro
- School of Veterinary Medicine and Animal Sciences, University of São Paulo, Department of Surgery, São Paulo, Brazil
| | - Aline Nayara Poscai
- School of Veterinary Medicine and Animal Sciences, University of São Paulo, Department of Surgery, São Paulo, Brazil
| | - Tulio Yoshinaga
- School of Veterinary Medicine and Animal Sciences, University of São Paulo, Department of Surgery, São Paulo, Brazil
| | - Patrícia Orlandini Gonçalez
- School of Veterinary Medicine of the University Moura Lacerda, Department of Anatomy of Domestic Animals, Ribeirão Preto, Brazil
| | - José Roberto Kfoury Junior
- School of Veterinary Medicine and Animal Sciences, University of São Paulo, Department of Surgery, São Paulo, Brazil
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Roy A, Srivastava M, Saqib U, Liu D, Faisal SM, Sugathan S, Bishnoi S, Baig MS. Potential therapeutic targets for inflammation in toll-like receptor 4 (TLR4)-mediated signaling pathways. Int Immunopharmacol 2016; 40:79-89. [PMID: 27584057 DOI: 10.1016/j.intimp.2016.08.026] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 08/08/2016] [Accepted: 08/23/2016] [Indexed: 12/13/2022]
Abstract
Inflammation is set off when innate immune cells detect infection or tissue injury. Tight control of the severity, duration, and location of inflammation is an absolute requirement for an appropriate balance between clearance of injured tissue and pathogens versus damage to host cells. Impeding the risk associated with the imbalance in the inflammatory response requires precise identification of potential therapeutic targets involved in provoking the inflammation. Toll-like receptors (TLRs) primarily known for the pathogen recognition and subsequent immune responses are being investigated for their pathogenic role in various chronic diseases. A mammalian homologue of Drosophila Toll receptor 4 (TLR4) was shown to induce the expression of genes involved in inflammatory responses. Signaling pathways via TLR4 activate various transcription factors like Nuclear factor kappa-light-chain-enhancer (NF-κB), activator protein 1 (AP1), Signal Transducers and Activators of Transcription family of transcription factors (STAT1) and Interferon regulatory factors (IRF's), which are the key players regulating the inflammatory response. Inhibition of these targets and their upstream signaling molecules provides a potential therapeutic approach to treat inflammatory diseases. Here we review the therapeutic targets involved in TLR-4 signaling pathways that are critical for suppressing chronic inflammatory disorders.
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Affiliation(s)
- Anjali Roy
- Center for Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology (IIT), Indore, MP, India
| | - Mansi Srivastava
- Center for Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology (IIT), Indore, MP, India
| | - Uzma Saqib
- Discipline of Chemistry, School of Basic Sciences, Indian Institute of Technology Indore (IITI), Indore, MP, India
| | - Dongfang Liu
- Center for Inflammation & Epigenetics, Houston Methodist Research Institute, Houston, TX, USA
| | - Syed M Faisal
- National Institute of Animal Biotechnology (NIAB), Hyderabad, Telangana, India
| | - Subi Sugathan
- Center for Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology (IIT), Indore, MP, India
| | - Suman Bishnoi
- Center for Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology (IIT), Indore, MP, India
| | - Mirza S Baig
- Center for Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology (IIT), Indore, MP, India.
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40
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Zhang Q, Yoo D. Immune evasion of porcine enteric coronaviruses and viral modulation of antiviral innate signaling. Virus Res 2016; 226:128-141. [PMID: 27212682 PMCID: PMC7111337 DOI: 10.1016/j.virusres.2016.05.015] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/16/2016] [Accepted: 05/17/2016] [Indexed: 12/15/2022]
Abstract
Enteric coronaviruses have evolved to modulate the host innate immunity. Viral IFN antagonists have been identified and they are mostly redundant. For protection of intestinal epithelia from enteric viruses, type III IFN plays a major role.
Porcine epidemic diarrhea virus (PEDV) and porcine deltacoronavirus (PDCoV) are emerged and reemerging viruses in pigs, and together with transmissible gastroenteritis virus (TGEV), pose significant economic concerns to the swine industry. These viruses infect epithelial cells of the small intestine and cause watery diarrhea, dehydration, and a high mortality in neonatal piglets. Type I interferons (IFN-α/β) are major antiviral cytokines forming host innate immunity, and in turn, these enteric coronaviruses have evolved to modulate the host innate immune signaling during infection. Accumulating evidence however suggests that IFN induction and signaling in the intestinal epithelial cells differ from other epithelial cells, largely due to distinct features of the gut epithelial mucosal surface and commensal microflora, and it appears that type III interferon (IFN-λ) plays a key role to maintain the antiviral state in the gut. This review describes the recent understanding on the immune evasion strategies of porcine enteric coronaviruses and the role of different types of IFNs for intestinal antiviral innate immunity.
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Affiliation(s)
- Qingzhan Zhang
- Department of Pathobiology, University of Illinois at Urbana-Champaign, Urbana IL, United States
| | - Dongwan Yoo
- Department of Pathobiology, University of Illinois at Urbana-Champaign, Urbana IL, United States.
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41
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Mager LF, Wasmer MH, Rau TT, Krebs P. Cytokine-Induced Modulation of Colorectal Cancer. Front Oncol 2016; 6:96. [PMID: 27148488 DOI: 10.3389/fonc.2016.00096] [Citation(s) in RCA: 159] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 04/02/2016] [Indexed: 12/12/2022] Open
Abstract
The emergence of novel immunomodulatory cancer therapies over the last decade, above all immune checkpoint blockade, has significantly advanced tumor treatment. For colorectal cancer (CRC), a novel scoring system based on the immune cell infiltration in tumors has greatly improved disease prognostic evaluation and guidance to more specific therapy. These findings underline the relevance of tumor immunology in the future handling and therapeutic approach of malignant disease. Inflammation can either promote or suppress CRC pathogenesis and inflammatory mediators, mainly cytokines, critically determine the pro- or anti-tumorigenic signals within the tumor environment. Here, we review the current knowledge on the cytokines known to be critically involved in CRC development and illustrate their mechanisms of action. We also highlight similarities and differences between CRC patients and murine models of CRC and point out cytokines with an ambivalent role for intestinal cancer. We also identify some of the future challenges in the field that should be addressed for the development of more effective immunomodulatory therapies.
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Affiliation(s)
- Lukas F Mager
- Institute of Pathology, University of Bern , Bern , Switzerland
| | - Marie-Hélène Wasmer
- Institute of Pathology, University of Bern, Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Tilman T Rau
- Institute of Pathology, University of Bern , Bern , Switzerland
| | - Philippe Krebs
- Institute of Pathology, University of Bern , Bern , Switzerland
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42
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Olbrich P, Martínez-Saavedra MT, Hurtado JMP, Sanchez C, Sanchez B, Deswarte C, Obando I, Casanova JL, Speckmann C, Bustamante J, Rodriguez-Gallego C, Neth O. Diagnostic and therapeutic challenges in a child with complete interferon-γ receptor 1 deficiency. Pediatr Blood Cancer 2015; 62:2036-9. [PMID: 26173802 PMCID: PMC4651008 DOI: 10.1002/pbc.25625] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2015] [Accepted: 05/05/2015] [Indexed: 11/10/2022]
Abstract
Autosomal recessive (AR) complete Interferon-γ Receptor1 (IFN-γR1) deficiency is a rare variant of Mendelian susceptibility to mycobacterial disease (MSMD). Although hematopoietic stem cell transplantation (HSCT) remains the only curative treatment, outcomes are heterogeneous; delayed engraftment and/or graft rejection being commonly observed. This case report and literature review expands the knowledge about this rare but potentially fatal pathology, providing details regarding diagnosis, antimicrobial treatment, transplant performance, and outcome that may help to guide physicians caring for patients with AR complete IFN-γR1 or IFN-γR2 deficiency.
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Affiliation(s)
- Peter Olbrich
- Pediatric Infectious Diseases and Immunodeficiency Unit, Hospital Virgen del Rocio, Instituto de Biomedicina de Sevilla, Spain
| | | | | | - Cristina Sanchez
- Pediatric Infectious Diseases and Immunodeficiency Unit, Hospital Virgen del Rocio, Instituto de Biomedicina de Sevilla, Spain
| | - Berta Sanchez
- Department of Immunology, Hospital Virgen del Rocio, Sevilla, Spain
| | - Carolina Deswarte
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Ignacio Obando
- Pediatric Infectious Diseases and Immunodeficiency Unit, Hospital Virgen del Rocio, Instituto de Biomedicina de Sevilla, Spain
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, AP-HP, Paris, France
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller branch, the Rockefeller University, New York, NY, USA
- Howard Hughes Medical Institute, New York, USA
| | - Carsten Speckmann
- Department of Pediatrics and Adolescent Medicine, University Medical Center, Freiburg, Germany
- Center for Chronic Immunodeficiency, University of Freiburg, Germany
| | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Center for the Study of Primary Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Carlos Rodriguez-Gallego
- Department of Immunology, Gran Canaria Dr. Negrín University Hospital, Las Palmas de Gran Canaria, Spain
- Department of Medical and Surgical Sciences, School of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - Olaf Neth
- Pediatric Infectious Diseases and Immunodeficiency Unit, Hospital Virgen del Rocio, Instituto de Biomedicina de Sevilla, Spain
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43
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Wei J, Lian H, Zhong B, Shu HB. Parafibromin Is a Component of IFN-γ–Triggered Signaling Pathways That Facilitates JAK1/2-Mediated Tyrosine Phosphorylation of STAT1. THE JOURNAL OF IMMUNOLOGY 2015; 195:2870-8. [DOI: 10.4049/jimmunol.1501111] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 07/09/2015] [Indexed: 01/14/2023]
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44
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The Contribution of the Airway Epithelial Cell to Host Defense. Mediators Inflamm 2015; 2015:463016. [PMID: 26185361 PMCID: PMC4491388 DOI: 10.1155/2015/463016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Accepted: 12/11/2014] [Indexed: 12/19/2022] Open
Abstract
In the context of cystic fibrosis, the epithelial cell has been characterized in terms of its ion transport capabilities. The ability of an epithelial cell to initiate CFTR-mediated chloride and bicarbonate transport has been recognized early as a means to regulate the thickness of the epithelial lining fluid and recently as a means to regulate the pH, thereby determining critically whether or not host defense proteins such as mucins are able to fold appropriately. This review describes how the epithelial cell senses the presence of pathogens and inflammatory conditions, which, in turn, facilitates the activation of CFTR and thus directly promotes pathogens clearance and innate immune defense on the surface of the epithelial cell. This paper summarizes functional data that describes the effect of cytokines, chemokines, infectious agents, and inflammatory conditions on the ion transport properties of the epithelial cell and relates these key properties to the molecular pathology of cystic fibrosis. Recent findings on the role of cystic fibrosis modifier genes that underscore the role of the epithelial ion transport in host defense and inflammation are discussed.
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45
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Interferon induction by RNA viruses and antagonism by viral pathogens. Viruses 2014; 6:4999-5027. [PMID: 25514371 PMCID: PMC4276940 DOI: 10.3390/v6124999] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 11/04/2014] [Accepted: 12/04/2014] [Indexed: 12/22/2022] Open
Abstract
Interferons are a group of small proteins that play key roles in host antiviral innate immunity. Their induction mainly relies on host pattern recognition receptors (PRR). Host PRR for RNA viruses include Toll-like receptors (TLR) and retinoic acid-inducible gene I (RIG-I) like receptors (RLR). Activation of both TLR and RLR pathways can eventually lead to the secretion of type I IFNs, which can modulate both innate and adaptive immune responses against viral pathogens. Because of the important roles of interferons, viruses have evolved multiple strategies to evade host TLR and RLR mediated signaling. This review focuses on the mechanisms of interferon induction and antagonism of the antiviral strategy by RNA viruses.
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46
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Lees JR. Interferon gamma in autoimmunity: A complicated player on a complex stage. Cytokine 2014; 74:18-26. [PMID: 25464925 DOI: 10.1016/j.cyto.2014.10.014] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 10/23/2014] [Accepted: 10/25/2014] [Indexed: 12/19/2022]
Abstract
Early views of autoimmune disease cast IFNγ as a prototypic pro-inflammatory factor. It is now clear that IFNγ is capable of both pro- and anti-inflammatory activities with the functional outcome dependent on the physiological and pathological setting examined. Here, the major immune modulatory activities of IFNγ are reviewed and current evidence for the impact of IFNγ on pathology and regulation of several autoimmune diseases and disease models is summarized.
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Affiliation(s)
- Jason R Lees
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, United States.
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47
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Arellano-Garcia ME, Misuno K, Tran SD, Hu S. Interferon-γ induces immunoproteasomes and the presentation of MHC I-associated peptides on human salivary gland cells. PLoS One 2014; 9:e102878. [PMID: 25102056 PMCID: PMC4125149 DOI: 10.1371/journal.pone.0102878] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 06/24/2014] [Indexed: 11/18/2022] Open
Abstract
A prominent histopathological feature of Sjögren's syndrome, an autoimmune disease, is the presence of lymphocytic infiltrates in the salivary and lachrymal glands. Such infiltrates are comprised of activated lymphocytes and macrophages, and known to produce multiple cytokines including interferon-gamma (IFN-γ). In this study, we have demonstrated that IFN-γ strongly induces the expression of immunoproteasome beta subunits (β1i, β2i and β5i) and immunoproteasome activity but conversely inhibits the expression of proteasome beta subunits (β1, β2 and β5) in human salivary gland (HSG) cells. Mass spectrometric analysis has revealed potential MHC I-associated peptides on the HSG cells, including a tryptic peptide derived from salivary amylase, due to IFN-γ stimulation. These results suggest that IFN-γ induces immunoproteasomes in HSG cells, leading to enhanced presentation of MHC I-associated peptides on cell surface. These peptide-presenting salivary gland cells may be recognized and targeted by auto-reactive T lymphocytes. We have also found that lactacystin, a proteasome inhibitor, inhibits the expression of β1 subunit in HSG cells and blocks the IFN-γ-induced expression of β1i and immunoproteasome activity. However, the expression of β2i and β5i in HSG cells is not affected by lactacystin. These results may add new insight into the mechanism regarding how lactacystin blocks the action of proteasomes or immunoproteasomes.
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Affiliation(s)
- Martha E. Arellano-Garcia
- School of Dentistry and Jonsson Comprehensive Cancer Center, University of California Los Angeles, Los Angeles, California, United States of America
| | - Kaori Misuno
- School of Dentistry and Jonsson Comprehensive Cancer Center, University of California Los Angeles, Los Angeles, California, United States of America
| | - Simon D. Tran
- Faculty of Dentistry, McGill University, Montreal, Quebec, Canada
| | - Shen Hu
- School of Dentistry and Jonsson Comprehensive Cancer Center, University of California Los Angeles, Los Angeles, California, United States of America
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48
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Antagonizing interferon-mediated immune response by porcine reproductive and respiratory syndrome virus. BIOMED RESEARCH INTERNATIONAL 2014; 2014:315470. [PMID: 25101271 PMCID: PMC4101967 DOI: 10.1155/2014/315470] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 06/18/2014] [Accepted: 06/18/2014] [Indexed: 11/25/2022]
Abstract
Interferons (IFNs) are important components in innate immunity involved in the first line of defense to protect host against viral infection. Porcine reproductive and respiratory syndrome virus (PRRSV) leads to severe economic losses for swine industry since being first identified in early 1990s. PRRSV interplays with host IFN production and IFN-activated signaling, which may contribute to the delayed onset and low level of neutralizing antibodies, as well as weak cell-mediated immune response in infected pigs. PRRSV encodes several proteins that act as antagonists for the IFN signaling. In this review, we summarized the various strategies used by PRRSV to antagonize IFN production and thwart IFN-activated antiviral signaling, as well as the variable interference with IFN-mediated immune response by different PRRSV strains. Thorough understanding of the interaction between PRRSV and host innate immune response will facilitate elucidation of PRRSV pathogenesis and development of a better strategy to control PRRS.
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49
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Prevention of adverse events of interferon γ gene therapy by gene delivery of interferon γ-heparin-binding domain fusion protein in mice. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2014; 1:14023. [PMID: 26015966 PMCID: PMC4362348 DOI: 10.1038/mtm.2014.23] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 05/02/2014] [Indexed: 01/09/2023]
Abstract
Sustained gene delivery of interferon (IFN) γ can be an effective treatment, but our previous study showed high levels of IFNγ-induced adverse events, including the loss of body weight. These unwanted events could be reduced by target-specific delivery of IFNγ after in vivo gene transfer. To achieve this, we selected the heparin-binding domain (HBD) of extracellular superoxide dismutase as a molecule to anchor IFNγ to the cell surface. We designed three IFNγ derivatives, IFNγ-HBD1, IFNγ-HBD2, and IFNγ-HBD3, each of which had 1, 2, or 3 HBDs, respectively. Each plasmid-encoding fusion proteins was delivered to the liver, a model target in this study, by hydrodynamic tail vein injection. The serum concentration of IFNγ-HBD2 and IFNγ-HBD3 after gene delivery was lower than that of IFNγ or IFNγ-HBD1. Gene delivery of IFNγ-HBD2, but not of IFNγ-HBD3, effectively increased the mRNA expression of IFNγ-inducible genes in the liver, suggesting liver-specific distribution of IFNγ-HBD2. Gene delivery of IFNγ-HBD2-suppressed tumor growth in the liver as efficiently as that of IFNγ with much less symptoms of adverse effects. These results indicate that the adverse events of IFNγ gene transfer can be prevented by gene delivery of IFNγ-HBD2, a fusion protein with high cell surface affinity.
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50
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Deng J, Liu X, Rong L, Ni C, Li X, Yang W, Lu Y, Yan X, Qin C, Zhang L, Qin Z. IFNγ-responsiveness of endothelial cells leads to efficient angiostasis in tumours involving down-regulation of Dll4. J Pathol 2014; 233:170-82. [PMID: 24615277 DOI: 10.1002/path.4340] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 02/12/2014] [Accepted: 02/13/2014] [Indexed: 12/16/2023]
Abstract
Although IFNγ is regarded as a key cytokine in angiostatic response, our poor understanding of its effective cellular target drastically limits its clinical trials against angiogenesis-related disorders. Here, we investigated the effect of IFNγ on endothelial cells (ECs) and possible molecular mechanisms in angiostasis. By employing Tie2(IFNγR) mice, in which IFNγR expression was reconstituted under the control of Tie2 promoter in IFNγR-deficient mice, we found that the response of ECs to IFNγ was highly effective in inhibiting blood supply and retarding tumour growth. Interestingly, the expression of IFNγR on Tie2(-) cells did not inhibit, but promoted tumour growth in control wild-type mice. Mechanism studies showed that IFNγ reacting on ECs down-regulated the delta-like ligand 4 (Dll4)/Notch signalling pathway. Accordingly, overexpression of Dll4 in human ECs diminished the effect of IFNγ on ECs. This study demonstrates that the action of IFNγ on ECs, but not other cells, is highly effective for tumour angiostasis, which involves down-regulating Dll4. It provides insights for EC-targeted angiostatic therapy in treating angiogenesis-associated disorders in the clinic.
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MESH Headings
- Adaptor Proteins, Signal Transducing
- Animals
- Calcium-Binding Proteins
- Cell Line, Tumor
- Down-Regulation
- Endothelial Cells/metabolism
- Endothelial Cells/pathology
- Gene Expression Regulation, Neoplastic
- Human Umbilical Vein Endothelial Cells/metabolism
- Human Umbilical Vein Endothelial Cells/pathology
- Humans
- Intercellular Signaling Peptides and Proteins/genetics
- Intercellular Signaling Peptides and Proteins/metabolism
- Interferon-gamma/metabolism
- Intracellular Signaling Peptides and Proteins/genetics
- Intracellular Signaling Peptides and Proteins/metabolism
- Membrane Proteins/genetics
- Membrane Proteins/metabolism
- Mice
- Mice, Inbred C57BL
- Mice, SCID
- Mice, Transgenic
- Neoplasms/blood supply
- Neoplasms/genetics
- Neoplasms/metabolism
- Neoplasms/pathology
- Neovascularization, Pathologic
- Pericytes/metabolism
- Pericytes/pathology
- Promoter Regions, Genetic
- Receptor, TIE-2/genetics
- Receptors, Interferon/genetics
- Receptors, Interferon/metabolism
- Signal Transduction
- Time Factors
- Transfection
- Tumor Burden
- Interferon gamma Receptor
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Affiliation(s)
- Jingjing Deng
- Key Laboratory of Protein and Peptide Pharmaceuticals; Chinese Academy of Sciences-University of Tokyo Joint Laboratory of Structural Virology and Immunology, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China; University of the Chinese Academy of Sciences, China
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