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Li M, Zhang A, Wang Y, Chen J, Qi X, Ma Y, Huang C, Xiong Y, Zhang X, Xia W, Li D, Liu Y, Zuo Z, Li J. Cycloartenyl ferulate improves natural killer (NK) cell immunity against cancer by binding to IFNγ receptor 1. J Biol Chem 2023; 299:104990. [PMID: 37392850 PMCID: PMC10400924 DOI: 10.1016/j.jbc.2023.104990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/25/2023] [Accepted: 06/06/2023] [Indexed: 07/03/2023] Open
Abstract
Cycloartenyl ferulate (CF) is abundant in brown rice with multiple biologic functions. It has been reported to possess antitumor activity; however, the related mechanism of action of CF has not been clarified. Herein, we unexpectedly uncover the immunological regulation effects of CF and its molecular mechanism. We discovered that CF directly enhanced the killing capacity of natural killer (NK) cells for various cancer cells in vitro. In vivo, CF also improved cancer surveillance in mouse models of lymphoma clearance and metastatic melanoma dependent on NK cells. In addition, CF promoted anticancer efficacy of the anti-PD1 antibody with improvement of tumor immune microenvironment. Mechanistically, we first unveiled that CF acted on the canonical JAK1/2-STAT1 signaling pathway to enhance the immunity of the NK cells by selectively binding to interferon γ receptor 1. Collectively, our results indicate that CF is a promising immunoregulation agent worthy of attention in clinical application in the future. Due to broad biological significance of interferon γ, our findings also provide a capability to understand the diverse functions of CF.
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Affiliation(s)
- Mingfeng Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Aotong Zhang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Yanqing Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Jiaxin Chen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Xin Qi
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Yuanren Ma
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Chunxiao Huang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Ying Xiong
- School of Pharmacy, Fudan University, Shanghai, China
| | - Xiaomin Zhang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Wenjiao Xia
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Dehai Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Yankai Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China
| | - Zhicheng Zuo
- College of Chemistry and Chemical Engineering and Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, P. R. China.
| | - Jing Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China.
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2
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Nogueira-Rodrigues J, Leite SC, Pinto-Costa R, Sousa SC, Luz LL, Sintra MA, Oliveira R, Monteiro AC, Pinheiro GG, Vitorino M, Silva JA, Simão S, Fernandes VE, Provazník J, Benes V, Cruz CD, Safronov BV, Magalhães A, Reis CA, Vieira J, Vieira CP, Tiscórnia G, Araújo IM, Sousa MM. Rewired glycosylation activity promotes scarless regeneration and functional recovery in spiny mice after complete spinal cord transection. Dev Cell 2021; 57:440-450.e7. [PMID: 34986324 DOI: 10.1016/j.devcel.2021.12.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 11/26/2021] [Accepted: 12/08/2021] [Indexed: 12/11/2022]
Abstract
Regeneration of adult mammalian central nervous system (CNS) axons is abortive, resulting in inability to recover function after CNS lesion, including spinal cord injury (SCI). Here, we show that the spiny mouse (Acomys) is an exception to other mammals, being capable of spontaneous and fast restoration of function after severe SCI, re-establishing hind limb coordination. Remarkably, Acomys assembles a scarless pro-regenerative tissue at the injury site, providing a unique structural continuity of the initial spinal cord geometry. The Acomys SCI site shows robust axon regeneration of multiple tracts, synapse formation, and electrophysiological signal propagation. Transcriptomic analysis of the spinal cord following transcriptome reconstruction revealed that Acomys rewires glycosylation biosynthetic pathways, culminating in a specific pro-regenerative proteoglycan signature at SCI site. Our work uncovers that a glycosylation switch is critical for axon regeneration after SCI and identifies β3gnt7, a crucial enzyme of keratan sulfate biosynthesis, as an enhancer of axon growth.
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Affiliation(s)
- Joana Nogueira-Rodrigues
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; Graduate Program in Molecular and Cell Biology, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Sérgio C Leite
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Rita Pinto-Costa
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Sara C Sousa
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; Graduate Program in Molecular and Cell Biology, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Liliana L Luz
- Neuronal Networks Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Maria A Sintra
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Raquel Oliveira
- Translational NeuroUrology Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; Department of Biomedicine, Experimental Biology Unit, Faculty of Medicine of Porto, University of Porto, 4200-319 Porto, Portugal; Regeneration Group, Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London WC2R 2LS, London, UK
| | - Ana C Monteiro
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Gonçalo G Pinheiro
- Molecular & Regenerative Medicine Laboratory, Centro de Ciências do Mar (CCMAR), University of Algarve, 8005-139 Faro, Portugal; Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal
| | - Marta Vitorino
- Molecular & Regenerative Medicine Laboratory, Centro de Ciências do Mar (CCMAR), University of Algarve, 8005-139 Faro, Portugal; Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal
| | - Joana A Silva
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal
| | - Sónia Simão
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal; Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, 8005-139 Faro, Portugal
| | - Vitor E Fernandes
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal; Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, 8005-139 Faro, Portugal
| | - Jan Provazník
- Genomics Core Facility, European Molecular Biology Laboratory (EMBL), 69117 Heidelberg, Germany
| | - Vladimir Benes
- Genomics Core Facility, European Molecular Biology Laboratory (EMBL), 69117 Heidelberg, Germany
| | - Célia D Cruz
- Translational NeuroUrology Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; Department of Biomedicine, Experimental Biology Unit, Faculty of Medicine of Porto, University of Porto, 4200-319 Porto, Portugal
| | - Boris V Safronov
- Neuronal Networks Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Ana Magalhães
- Glycobiology in Cancer Group, Institute of Molecular Pathology and Immunology, IPATIMUP), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; Department of Molecular Biology, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal
| | - Celso A Reis
- Glycobiology in Cancer Group, Institute of Molecular Pathology and Immunology, IPATIMUP), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal; Department of Molecular Biology, Instituto de Ciências Biomédicas Abel Salazar (ICBAS), University of Porto, 4050-313 Porto, Portugal; Department of Pathology, Faculty of Medicine of Porto, University of Porto, 4200-319 Porto, Portugal
| | - Jorge Vieira
- Phenotypic Evolution Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Cristina P Vieira
- Phenotypic Evolution Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal
| | - Gustavo Tiscórnia
- Molecular & Regenerative Medicine Laboratory, Centro de Ciências do Mar (CCMAR), University of Algarve, 8005-139 Faro, Portugal; Clinica Eugin, Research and Development, 08006 Barcelona, Spain
| | - Inês M Araújo
- Faculty of Medicine and Biomedical Sciences, University of Algarve, 8005-139 Faro, Portugal; Algarve Biomedical Center Research Institute (ABC-RI), University of Algarve, 8005-139 Faro, Portugal; Champalimaud Research Program, Champalimaud Center for the Unknown, 1400-038 Lisbon, Portugal
| | - Mónica M Sousa
- Nerve Regeneration Group, Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, 4200-135 Porto, Portugal.
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3
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Menzel S, Koudelka T, Rissiek B, Haag F, Meyer-Schwesinger C, Tholey A, Koch-Nolte F. ADP-Ribosylation Regulates the Signaling Function of IFN-γ. Front Immunol 2021; 12:642545. [PMID: 33763084 PMCID: PMC7983947 DOI: 10.3389/fimmu.2021.642545] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/10/2021] [Indexed: 01/22/2023] Open
Abstract
Murine T cells express the GPI-anchored ADP-ribosyltransferase 2.2 (ARTC2.2) on the cell surface. In response to T cell activation or extracellular NAD+ or ATP-mediated gating of the P2X7 ion channel ARTC2.2 is shed from the cell surface as a soluble enzyme. Shedding alters the target specificity of ARTC2.2 from cell surface proteins to secreted proteins. Here we demonstrate that shed ARTC2.2 potently ADP-ribosylates IFN-γ in addition to other cytokines. Using mass spectrometry, we identify arginine 128 as the target site of ADP-ribosylation. This residue has been implicated to play a key role in binding of IFN-γ to the interferon receptor 1 (IFNR1). Indeed, binding of IFN-γ to IFNR1 blocks ADP-ribosylation of IFN-γ. Moreover, ADP-ribosylation of IFN-γ inhibits the capacity of IFN-γ to induce STAT1 phosphorylation in macrophages and upregulation of the proteasomal subunit ß5i and the proteasomal activator PA28-α in podocytes. Our results show that ADP-ribosylation inhibits the signaling functions of IFN-γ and point to a new regulatory mechanism for controlling signaling by IFN-γ.
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Affiliation(s)
- Stephan Menzel
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tomas Koudelka
- Institute of Experimental Medicine, AG Systematic Proteome Research and Bioanalytics, Christian-Albrechts-Universität, Kiel, Germany
| | - Björn Rissiek
- Department of Neurology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Friedrich Haag
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Catherine Meyer-Schwesinger
- Institute of Cellular and Integrative Physiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andreas Tholey
- Institute of Experimental Medicine, AG Systematic Proteome Research and Bioanalytics, Christian-Albrechts-Universität, Kiel, Germany
| | - Friedrich Koch-Nolte
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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4
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Walter MR. The Role of Structure in the Biology of Interferon Signaling. Front Immunol 2020; 11:606489. [PMID: 33281831 PMCID: PMC7689341 DOI: 10.3389/fimmu.2020.606489] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 10/19/2020] [Indexed: 12/20/2022] Open
Abstract
Interferons (IFNs) are a family of cytokines with the unique ability to induce cell intrinsic programs that enhance resistance to viral infection. Induction of an antiviral state at the cell, tissue, organ, and organismal level is performed by three distinct IFN families, designated as Type-I, Type-II, and Type-III IFNs. Overall, there are 21 human IFNs, (16 type-I, 12 IFNαs, IFNβ, IFNϵ, IFNκ, and IFNω; 1 type-II, IFNγ; and 4 type-III, IFNλ1, IFNλ2, IFNλ3, and IFNλ4), that induce pleotropic cellular activities essential for innate and adaptive immune responses against virus and other pathogens. IFN signaling is initiated by binding to distinct heterodimeric receptor complexes. The three-dimensional structures of the type-I (IFNα/IFNAR1/IFNAR2), type-II (IFNγ/IFNGR1/IFNGR2), and type-III (IFNλ3/IFNλR1/IL10R2) signaling complexes have been determined. Here, we highlight similar and unique features of the IFNs, their cell surface complexes and discuss their role in inducing downstream IFN signaling responses.
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Affiliation(s)
- Mark R Walter
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, United States
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5
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Diagnosis of NTM active infection in lymphadenopathy patients with anti-interferon-gamma auto-antibody using inhibitory ELISA vs. indirect ELISA. Sci Rep 2020; 10:8968. [PMID: 32488051 PMCID: PMC7265449 DOI: 10.1038/s41598-020-65933-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 05/08/2020] [Indexed: 12/19/2022] Open
Abstract
The anti-interferon-gamma (IFN-gamma) autoantibody is a known cause of opportunistic non-tuberculous mycobacterial (NTM) infection in adults. Diagnosis of those patients is difficult due to the low sensitivity of bacterial culture, and because detection of the neutralizing autoantibody needs special laboratory devices. We conducted a retrospective review of indirect and inhibitory ELISA, both used for detection of anti-IFN-gamma auto-antibody in 102 patients with lymphadenopathies. We assessed hospital records of NTM isolation and/or diagnosis of NTM infection. The review revealed the compatible sensitivity and superior specificity and predictive values for inhibitory ELISA over against indirect ELISA—the latter achieving 100% specificity and positive predictive value for diagnosis of NTM infection in patients with lymphadenopathies. The results confirm functional assays that show plasma samples from NTM-infected patients with positive results by either indirect and/or inhibitory ELISA are IFN-gamma neutralizing autoantibodies. The inhibitory titer of anti-IFN-gamma auto-antibody can be used to distinguish patients with active from inactive NTM infection. Inhibitory ELISA is thus a practical, rapid, high performance tool for routine detection of anti-IFN-gamma autoantibody and NTM infection diagnosis before confirmation, enabling a timely therapeutic strategy for active infection treatment.
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6
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Heidari-Japelaghi R, Haddad R, Valizadeh M, Dorani-Uliaie E, Jalali-Javaran M. Elastin-like polypeptide fusions for high-level expression and purification of human IFN-γ in Escherichia coli. Anal Biochem 2019; 585:113401. [DOI: 10.1016/j.ab.2019.113401] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 07/23/2019] [Accepted: 08/19/2019] [Indexed: 01/18/2023]
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7
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Dufour A, Bellac CL, Eckhard U, Solis N, Klein T, Kappelhoff R, Fortelny N, Jobin P, Rozmus J, Mark J, Pavlidis P, Dive V, Barbour SJ, Overall CM. C-terminal truncation of IFN-γ inhibits proinflammatory macrophage responses and is deficient in autoimmune disease. Nat Commun 2018; 9:2416. [PMID: 29925830 PMCID: PMC6010466 DOI: 10.1038/s41467-018-04717-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Accepted: 05/18/2018] [Indexed: 01/02/2023] Open
Abstract
Controlled macrophage differentiation and activation in the initiation and resolution of inflammation is crucial for averting progression to chronic inflammatory and autoimmune diseases. Here we show a negative feedback mechanism for proinflammatory IFN-γ activation of macrophages driven by macrophage-associated matrix metalloproteinase 12 (MMP12). Through C-terminal truncation of IFN-γ at 135Glu↓Leu136 the IFN-γ receptor-binding site was efficiently removed thereby reducing JAK-STAT1 signaling and IFN-γ activation of proinflammatory macrophages. In acute peritonitis this signature was absent in Mmp12–/– mice and recapitulated in Mmp12+/+ mice treated with a MMP12-specific inhibitor. Similarly, loss-of-MMP12 increases IFN-γ–dependent proinflammatory markers and iNOS+/MHC class II+ macrophage accumulation with worse lymphadenopathy, arthritic synovitis and lupus glomerulonephritis. In active human systemic lupus erythematosus, MMP12 levels were lower and IFN-γ higher compared to treated patients or healthy individuals. Hence, macrophage proteolytic truncation of IFN-γ attenuates classical activation of macrophages as a prelude for resolving inflammation. IFN-γ is central in inflammatory pathogenesis, response to infection and autoimmune diseases. Here the authors show that MMP12 expression is reduced in patients with SLE and that MMP12 post-translationally truncates IFN-y, inhibiting its function and affecting pathogenesis of mouse models of peritonitis, SLE and rheumatoid arthritis.
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Affiliation(s)
- Antoine Dufour
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Physiology and Pharmacology McCaig Institute for Bone and Joint Health, Cumming School of Medicine, HRIC 3C64 3330 Hospital, Dr NW Calgary, T2N 4N1, AB, Canada
| | - Caroline L Bellac
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Swissmedic, Swiss Agency for Therapeutics Products, Hallerstrasse 7, P.O. Box, Bern 9, CH-3000, Switzerland
| | - Ulrich Eckhard
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Nestor Solis
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Theo Klein
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Reinhild Kappelhoff
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Nikolaus Fortelny
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Parker Jobin
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Biochemistry and Molecular Biology, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Jacob Rozmus
- Department of Pediatrics, Child and Family Research Institute and BC Children's Hospital, University of British Columbia, 3110A-950 West 28th Av, Vancouver, V5Z 4H4, BC, Canada
| | - Jennifer Mark
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Paul Pavlidis
- Centre for High Throughput Biology, University of British Columbia, 2125 East Mall, Vancouver, V6T 1Z3, BC, Canada.,Department of Psychiatry, University of British Columbia, 2125 East Mall, Vancouver, V6T 1Z3, BC, Canada
| | - Vincent Dive
- Commissariat a l'Energie Atomique (CEA) CE-Saclay, Labex LERMIT, Service d'Ingenierie Moleculaire des Proteines, Bat 152, Gif/Yvette, 91191, France
| | - Sean J Barbour
- Department of Medicine, University of British Columbia, 2775 Laurel St, Vancouver, V6T 1Z3, BC, Canada
| | - Christopher M Overall
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada. .,Centre for Blood Research, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada. .,Department of Biochemistry and Molecular Biology, University of British Columbia, 4.401-2350 Health Sciences Mall, Vancouver, V6T 1Z3, BC, Canada.
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8
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Torelli F, Zander S, Ellerbrok H, Kochs G, Ulrich RG, Klotz C, Seeber F. Recombinant IFN-γ from the bank vole Myodes glareolus: a novel tool for research on rodent reservoirs of zoonotic pathogens. Sci Rep 2018; 8:2797. [PMID: 29434310 PMCID: PMC5809609 DOI: 10.1038/s41598-018-21143-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/25/2018] [Indexed: 12/28/2022] Open
Abstract
Rodent species like Myodes glareolus and Microtus spp. are natural reservoirs for many zoonotic pathogens causing human diseases and are gaining increasing interest in the field of eco-immunology as candidate animal models. Despite their importance the lack of immunological reagents has hampered research in these animal species. Here we report the recombinant production and functional characterization of IFN-γ, a central mediator of host’s innate and adaptive immune responses, from the bank vole M. glareolus. Soluble dimeric recMgIFN-γ was purified in high yield from Escherichia coli. Its activity on M. glareolus and Microtus arvalis kidney cell lines was assessed by immunofluorescent detection of nuclear translocation and phosphorylation of the transcription factor STAT1. RecMgIFN-γ also induced expression of an IFN-γ-regulated innate immunity gene. Inhibition of vesicular stomatitis virus replication in vole cells upon recMgIFN-γ treatment provided further evidence of its biological activity. Finally, we established a recMgIFN-γ-responsive bank vole reporter cell line that allows the sensitive titration of the cytokine activity via a bioluminescence reporter assay. Taken together, we report valuable tools for future investigations on the immune response against zoonotic pathogens in their natural animal hosts, which might foster the development of novel animal models.
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Affiliation(s)
- Francesca Torelli
- Department of Mycotic and Parasitic Agents and Mycobacteria, Robert Koch-Institut, Berlin, Germany
| | - Steffen Zander
- Department of Mycotic and Parasitic Agents and Mycobacteria, Robert Koch-Institut, Berlin, Germany
| | - Heinz Ellerbrok
- Center for Biological Threats and Special Pathogens, Highly Pathogenic Viruses, Robert Koch-Institut, Berlin, Germany
| | - Georg Kochs
- Institute of Virology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Rainer G Ulrich
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Christian Klotz
- Department of Mycotic and Parasitic Agents and Mycobacteria, Robert Koch-Institut, Berlin, Germany
| | - Frank Seeber
- Department of Mycotic and Parasitic Agents and Mycobacteria, Robert Koch-Institut, Berlin, Germany.
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9
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van de Vosse E, van Dissel JT. IFN-γR1 defects: Mutation update and description of the IFNGR1 variation database. Hum Mutat 2017; 38:1286-1296. [PMID: 28744922 DOI: 10.1002/humu.23302] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 07/20/2017] [Accepted: 07/23/2017] [Indexed: 12/29/2022]
Abstract
IFN-γ signaling is essential for the innate immune defense against mycobacterial infections. IFN-γ signals through the IFN-γ receptor, which consists of a tetramer of two IFN-γR1 chains in complex with two IFN-γR2 chains, where IFN-γR1 is the ligand-binding chain of the interferon-γ receptor and IFN-γR2 is the signal-transducing chain of the IFN-γ receptor. Germline mutations in the gene IFNGR1 encoding the IFN-γR1 cause a primary immunodeficiency that mainly leads to mycobacterial infections. Here, we review the molecular basis of this immunodeficiency in the 130 individuals described to date, and report mutations in five new individuals, bringing the total number to 135 individuals from 98 kindreds. Forty unique IFNGR1 mutations have been reported and they exert either an autosomal dominant or an autosomal recessive effect. Mutations resulting in premature stopcodons represent the majority of IFNGR1 mutations (60%; 24 out of 40), followed by amino acid substitutions (28%, 11 out of 40). All known mutations, as well as 287 other variations, have been deposited in the online IFNGR1 variation database (www.LOVD.nl/IFNGR1). In this article, we review the function of IFN-γR1 and molecular genetics of human IFNGR1.
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Affiliation(s)
- Esther van de Vosse
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
| | - Jaap T van Dissel
- Department of Infectious Diseases, Leiden University Medical Center, Leiden, The Netherlands
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Green DS, Young HA, Valencia JC. Current prospects of type II interferon γ signaling and autoimmunity. J Biol Chem 2017; 292:13925-13933. [PMID: 28652404 PMCID: PMC5572907 DOI: 10.1074/jbc.r116.774745] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Interferon γ (IFNγ) is a pleiotropic protein secreted by immune cells. IFNγ signals through the IFNγ receptor, a protein complex that mediates downstream signaling events. Studies into IFNγ signaling have provided insight into the general concepts of receptor signaling, receptor internalization, regulation of distinct signaling pathways, and transcriptional regulation. Although IFNγ is the central mediator of the adaptive immune response to pathogens, it has been shown to be involved in several non-infectious physiological processes. This review will provide an introduction into IFNγ signaling biology and the functional roles of IFNγ in the autoimmune response.
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Affiliation(s)
- Daniel S Green
- From the Women's Malignancy Branch, Translational Genomics Section, Center for Cancer, NCI, National Institutes of Health, Bethesda, Maryland 20892
| | - Howard A Young
- Cancer and Inflammation Program, Center for Cancer Research, NCI-Frederick, National Institutes of Health, Frederick, Maryland 21702-1201.
| | - Julio C Valencia
- Cancer and Inflammation Program, Center for Cancer Research, NCI-Frederick, National Institutes of Health, Frederick, Maryland 21702-1201.
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11
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程 笑, 汪 莉, 韩 方, 庞 亚, 黄 姜. 聚乙二醇干扰素α-2a对慢性乙型肝炎患者外周血单个核细胞表面IFNGR1的影响. Shijie Huaren Xiaohua Zazhi 2017; 25:1743-1749. [DOI: 10.11569/wcjd.v25.i19.1743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
目的 研究聚乙二醇干扰素α-2a(polyethylene glycol interferon α-2a, PEG-IFNα-2a)对慢性乙型肝炎(chronic hepatitis B, CHB)患者外周血中干扰素-γ(interferon-gamma, IFN-γ)及γ干扰素受体1(interferon gamma receptor 1, IFNGR1)水平的影响.
方法 应用PEG-IFNα-2a治疗的不同时间点抽取CHB患者及健康对照组静脉血, 酶联免疫吸附法检测其血清IFN-γ浓度, 实时荧光定量RT-PCR技术检测其外周血单个核细胞(peripheral blood mononuelear cells, PBMCs)表面IFNGR1的表达情况.
结果 CHB组患者IFN-γ及IFNGR1均高于健康对照组(P<0.05). 在使用聚乙二醇干扰素抗病毒治疗过程中, CHB患者IFN-γ及IFNGR1在12 wk时达到高峰, 此后开始下降, 至48 wk时低于治疗前水平, 但仍高于健康对照组(P<0.05). 抗病毒治疗12 wk时, 乙型肝炎病毒(hepatitis B virus,HBV)DNA阴转组IFNGR1的表达水平高于HBV DNA未阴转组(2.22±0.65 vs 1.35±0.71), 两者差异有统计学意义(P<0.05).
结论 IFN-γ参与了CHB的发病, 治疗12 wk时患者PBMCs表面IFNGR1的表达水平可能作为干扰素抗HBV治疗早期预测干扰素疗效的因子.
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Chen W, Chen X, Zhou S, Zhang H, Wang L, Xu J, Hu X, Yin W, Yan G, Zhang J. Design and synthesis of polyhydroxy steroids as selective inhibitors against AKR1B10 and molecular docking. Steroids 2016; 110:1-8. [PMID: 26968129 DOI: 10.1016/j.steroids.2016.03.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 02/24/2016] [Accepted: 03/01/2016] [Indexed: 01/18/2023]
Abstract
AKR1B10 is a member of the human aldo-keto reductase superfamily which is highly expressed in several types of cancers, and has been regarded as a promising cancer therapeutic target. In this paper, a series of polyhydroxy steroids were designed and synthesized to selectively inhibit AKR1B10 activity. The most selective compound, novel compound 6, has an IC50 of 0.83±0.07μM and a selectivity of more than 120-fold for AKR1B10/AKR1B1. Structure-activity relation analyses indicate that hydroxyl at C-19 can significantly improve the selective inhibition of AKR1B10. The binding mode of AKR1B10 and its inhibitors were studied.
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Affiliation(s)
- Wenli Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China; Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, 74 Zhongshan Road II, Guangzhou 510080, China
| | - Xinying Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China
| | - Shujia Zhou
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China
| | - Hong Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China
| | - Ling Wang
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China
| | - Jun Xu
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China
| | - Xiaopeng Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China
| | - Wei Yin
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, 74 Zhongshan Road II, Guangzhou 510080, China
| | - Guangmei Yan
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-sen University, 74 Zhongshan Road II, Guangzhou 510080, China
| | - Jingxia Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, 132 East Circle at University City, Guangzhou 510006, China.
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Aurand TC, March JC. Development of a synthetic receptor protein for sensing inflammatory mediators interferon‐γ and tumor necrosis factor‐α. Biotechnol Bioeng 2016; 113:492-500. [DOI: 10.1002/bit.25832] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 09/04/2015] [Accepted: 09/09/2015] [Indexed: 11/05/2022]
Affiliation(s)
- T. Christopher Aurand
- Department of Biological and Environmental EngineeringCornell UniversityIthaca14853New York
| | - John C. March
- Department of Biological and Environmental EngineeringCornell UniversityIthaca14853New York
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Guven-Maiorov E, Acuner-Ozbabacan SE, Keskin O, Gursoy A, Nussinov R. Structural pathways of cytokines may illuminate their roles in regulation of cancer development and immunotherapy. Cancers (Basel) 2014; 6:663-83. [PMID: 24670367 PMCID: PMC4074797 DOI: 10.3390/cancers6020663] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 03/11/2014] [Accepted: 03/12/2014] [Indexed: 01/06/2023] Open
Abstract
Cytokines are messengers between tissues and the immune system. They play essential roles in cancer initiation, promotion, metastasis, and immunotherapy. Structural pathways of cytokine signaling which contain their interactions can help understand their action in the tumor microenvironment. Here, our aim is to provide an overview of the role of cytokines in tumor development from a structural perspective. Atomic details of protein-protein interactions can help in understanding how an upstream signal is transduced; how higher-order oligomerization modes of proteins can influence their function; how mutations, inhibitors or antagonists can change cellular consequences; why the same protein can lead to distinct outcomes, and which alternative parallel pathways can take over. They also help to design drugs/inhibitors against proteins de novo or by mimicking natural antagonists as in the case of interferon-γ. Since the structural database (PDB) is limited, structural pathways are largely built from a series of predicted binary protein-protein interactions. Below, to illustrate how protein-protein interactions can help illuminate roles played by cytokines, we model some cytokine interaction complexes exploiting a powerful algorithm (PRotein Interactions by Structural Matching-PRISM).
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Affiliation(s)
- Emine Guven-Maiorov
- Center for Computational Biology and Bioinformatics and College of Engineering, Koc University, Rumelifeneri Yolu, 34450 Sariyer Istanbul, Turkey.
| | - Saliha Ece Acuner-Ozbabacan
- Center for Computational Biology and Bioinformatics and College of Engineering, Koc University, Rumelifeneri Yolu, 34450 Sariyer Istanbul, Turkey.
| | - Ozlem Keskin
- Center for Computational Biology and Bioinformatics and College of Engineering, Koc University, Rumelifeneri Yolu, 34450 Sariyer Istanbul, Turkey.
| | - Attila Gursoy
- Center for Computational Biology and Bioinformatics and College of Engineering, Koc University, Rumelifeneri Yolu, 34450 Sariyer Istanbul, Turkey.
| | - Ruth Nussinov
- Cancer and Inflammation Program, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA.
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15
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Mikulecký P, Černý J, Biedermannová L, Petroková H, Kuchař M, Vondrášek J, Malý P, Šebo P, Schneider B. Increasing affinity of interferon-γ receptor 1 to interferon-γ by computer-aided design. BIOMED RESEARCH INTERNATIONAL 2013; 2013:752514. [PMID: 24199198 PMCID: PMC3807708 DOI: 10.1155/2013/752514] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 08/06/2013] [Accepted: 08/13/2013] [Indexed: 12/12/2022]
Abstract
We describe a computer-based protocol to design protein mutations increasing binding affinity between ligand and its receptor. The method was applied to mutate interferon-γ receptor 1 (IFN-γ-Rx) to increase its affinity to natural ligand IFN-γ, protein important for innate immunity. We analyzed all four available crystal structures of the IFN-γ-Rx/IFN-γ complex to identify 40 receptor residues forming the interface with IFN-γ. For these 40 residues, we performed computational mutation analysis by substituting each of the interface receptor residues by the remaining standard amino acids. The corresponding changes of the free energy were calculated by a protocol consisting of FoldX and molecular dynamics calculations. Based on the computed changes of the free energy and on sequence conservation criteria obtained by the analysis of 32 receptor sequences from 19 different species, we selected 14 receptor variants predicted to increase the receptor affinity to IFN-γ. These variants were expressed as recombinant proteins in Escherichia coli, and their affinities to IFN-γ were determined experimentally by surface plasmon resonance (SPR). The SPR measurements showed that the simple computational protocol succeeded in finding two receptor variants with affinity to IFN-γ increased about fivefold compared to the wild-type receptor.
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Affiliation(s)
- Pavel Mikulecký
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Jiří Černý
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Lada Biedermannová
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Hana Petroková
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Milan Kuchař
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Jiří Vondrášek
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Petr Malý
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Peter Šebo
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Bohdan Schneider
- Institute of Biotechnology AS CR, v. v. i., Vídeňská 1083, 142 20 Prague, Czech Republic
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16
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Epperson ML, Lee CA, Fremont DH. Subversion of cytokine networks by virally encoded decoy receptors. Immunol Rev 2012; 250:199-215. [PMID: 23046131 PMCID: PMC3693748 DOI: 10.1111/imr.12009] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
During the course of evolution, viruses have captured or created a diverse array of open reading frames, which encode for proteins that serve to evade and sabotage the host innate and adaptive immune responses that would otherwise lead to their elimination. These viral genomes are some of the best textbooks of immunology ever written. The established arsenal of immunomodulatory proteins encoded by viruses is large and growing, and includes specificities for virtually all known inflammatory pathways and targets. The focus of this review is on herpes and poxvirus-encoded cytokine and chemokine-binding proteins that serve to undermine the coordination of host immune surveillance. Structural and mechanistic studies of these decoy receptors have provided a wealth of information, not only about viral pathogenesis but also about the inner workings of cytokine signaling networks.
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Affiliation(s)
- Megan L Epperson
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
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Miyakawa N, Nishikawa M, Takahashi Y, Ando M, Misaka M, Watanabe Y, Takakura Y. Prolonged Circulation Half-life of Interferon γ Activity by Gene Delivery of Interferon γ–Serum Albumin Fusion Protein in Mice. J Pharm Sci 2011; 100:2350-7. [DOI: 10.1002/jps.22473] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Revised: 11/11/2010] [Accepted: 12/07/2010] [Indexed: 11/10/2022]
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18
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Sologuren I, Boisson-Dupuis S, Pestano J, Vincent QB, Fernández-Pérez L, Chapgier A, Cárdenes M, Feinberg J, García-Laorden MI, Picard C, Santiago E, Kong X, Jannière L, Colino E, Herrera-Ramos E, Francés A, Navarrete C, Blanche S, Faria E, Remiszewski P, Cordeiro A, Freeman A, Holland S, Abarca K, Valerón-Lemaur M, Gonçalo-Marques J, Silveira L, García-Castellano JM, Caminero J, Pérez-Arellano JL, Bustamante J, Abel L, Casanova JL, Rodríguez-Gallego C. Partial recessive IFN-γR1 deficiency: genetic, immunological and clinical features of 14 patients from 11 kindreds. Hum Mol Genet 2011; 20:1509-23. [PMID: 21266457 PMCID: PMC3115578 DOI: 10.1093/hmg/ddr029] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2010] [Accepted: 01/19/2011] [Indexed: 11/13/2022] Open
Abstract
We report a series of 14 patients from 11 kindreds with recessive partial (RP)-interferon (IFN)-γR1 deficiency. The I87T mutation was found in nine homozygous patients from Chile, Portugal and Poland, and the V63G mutation was found in five homozygous patients from the Canary Islands. Founder effects accounted for the recurrence of both mutations. The most recent common ancestors of the patients with the I87T and V63G mutations probably lived 1600 (875-2950) and 500 (200-1275) years ago, respectively. The two alleles confer phenotypes that are similar but differ in terms of IFN-γR1 levels and residual response to IFN-γ. The patients suffered from bacillus Calmette-Guérin-osis (n= 6), environmental mycobacteriosis (n= 6) or tuberculosis (n= 1). One patient did not suffer from mycobacterial infections but had disseminated salmonellosis, which was also present in two other patients. Age at onset of the first environmental mycobacterial disease differed widely between patients, with a mean value of 11.25 ± 9.13 years. Thirteen patients survived until the age of 14.82 ± 11.2 years, and one patient died at the age of 7 years, 9 days after the diagnosis of long-term Mycobacterium avium infection and the initiation of antimycobacterial treatment. Up to 10 patients are currently free of infection with no prophylaxis. The clinical heterogeneity of the 14 patients was not clearly related to either IFNGR1 genotype or the resulting cellular phenotype. RP-IFN-γR1 deficiency is, thus, more common than initially thought and should be considered in both children and adults with mild or severe mycobacterial diseases.
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Affiliation(s)
| | - Stéphanie Boisson-Dupuis
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
| | - Jose Pestano
- Department of Biochemistry, Molecular Biology, Physiology, Genetics and Immunology
| | - Quentin Benoit Vincent
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
| | - Leandro Fernández-Pérez
- Department of Clinical Sciences-Pharmacology Unit, Molecular and Translational Endocrinology Group and
| | - Ariane Chapgier
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
| | - María Cárdenes
- Department of Immunology
- Canarian Institute for Cancer Research, La Laguna, Santa Cruz de Tenerife, Spain
| | - Jacqueline Feinberg
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
| | | | - Capucine Picard
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
- Study Center of Primary Immunodeficiencies and
| | | | - Xiaofei Kong
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
| | - Lucile Jannière
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
| | - Elena Colino
- Department of Pediatrics, Unit of Infectious Diseases
| | | | | | - Carmen Navarrete
- Department of Immunology, Hospital de Niños Roberto del Río, Santiago de Chile, Chile
| | - Stéphane Blanche
- Pediatric Immunology and Hematology Unit, Assistance Publique Hôpitaux de Paris, Necker Hospital, Paris, France
| | | | - Paweł Remiszewski
- IIIrd Department of Lung Diseases, National Tuberculosis and Chest Diseases Research Institute, Warsaw, Poland
| | - Ana Cordeiro
- Department of Medicine, Coimbra Pediatric Hospital, Coimbra, Portugal
| | - Alexandra Freeman
- Laboratory of Clinical Infectious Diseases, National Institutes of Health, Bethesda, MA, USA
| | - Steven Holland
- Laboratory of Clinical Infectious Diseases, National Institutes of Health, Bethesda, MA, USA
| | - Katia Abarca
- Department of Pediatrics, School of Medicine, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
| | | | - José Gonçalo-Marques
- Department of Pediatric Infectious Diseases, Santa Maria-Centro Hospitalar Lisboa Norte Hospital, Lisbon, Portugal and
| | - Luisa Silveira
- Department of Pediatrics, Santo Espirito de Angra do Heroísmo EPE Hospital, Angra do Heroìsmo, Portugal
| | - José Manuel García-Castellano
- Laboratory of Molecular Oncology, Research Unit and
- Department of Orthopedic Surgery, Insular-Materno Infantil Hospital, Las Palmas de Gran Canaria, Spain
| | - José Caminero
- Department of Respiratory Diseases, Gran Canaria Dr Negrín University Hospital, Las Palmas de Gran Canaria, Spain
| | - José Luis Pérez-Arellano
- Department of Medical and Surgical Sciences, School of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
- Department of Infectious Diseases
| | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
| | - Laurent Abel
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Necker Faculty, INSERM U980, Necker Medical School, University Paris Descartes, Paris, France
- St Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY, USA
- Pediatric Immunology and Hematology Unit, Assistance Publique Hôpitaux de Paris, Necker Hospital, Paris, France
| | - Carlos Rodríguez-Gallego
- Department of Immunology
- Department of Medical and Surgical Sciences, School of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
- Canarian Institute for Cancer Research, La Laguna, Santa Cruz de Tenerife, Spain
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Schreiber G, Walter MR. Cytokine-receptor interactions as drug targets. Curr Opin Chem Biol 2010; 14:511-9. [PMID: 20619718 DOI: 10.1016/j.cbpa.2010.06.165] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2010] [Revised: 05/30/2010] [Accepted: 06/08/2010] [Indexed: 12/24/2022]
Abstract
Cytokines are essential proteins that exert potent control over entire cell populations to fight infections and other pathologies, but can by themselves cause disease. Therefore, cytokine-related drugs act either by stimulating or blocking their activities. Our knowledge of the structures of cytokine-receptor complexes, the biophysical basis of their binding, and their mode of biological activation has substantially increased in recent years. This knowledge has been translated into new drugs and drug candidates. This review summarizes our current understanding of the receptor-mediated activity of cytokines, their relation to health and disease, and the agents in use to activate and block their actions.
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Affiliation(s)
- Gideon Schreiber
- Department of Biological Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel.
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20
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Savan R, Ravichandran S, Collins JR, Sakai M, Young HA. Structural conservation of interferon gamma among vertebrates. Cytokine Growth Factor Rev 2009; 20:115-24. [PMID: 19268624 PMCID: PMC2755191 DOI: 10.1016/j.cytogfr.2009.02.006] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Interferon gamma (IFN-gamma), being the hallmark of the T-cell T(H)1 response, has been extensively studied with respect to its expression and regulation of immune function. This gene has been extensively characterized in many mammalian species, making it one of the most widely cloned immunoregulatory genes. Recently, the gene has been identified in avian and piscine species and we have identified the gene in the frog genome. Based on these identified DNA sequences, we have constructed an evolutionary history of IFN-gamma that shows this molecule can be traced back more than 450 million years ago. Our analysis shows that type II interferon (IFN-gamma) function evolved before the tetrapod-fish split, a finding that contrasts earlier studies showing its origins in tetrapods. The IFN-gamma gene has undergone a further duplication event in teleosts after the tetrapod-fish split suggesting a specific-evolutionary adaptation in fish. The analyses of IFN-gamma, IL-22 and IL-26 genomic region in mammals, chicken, frog and fish reveal an evolutionary conservation of the loci and several regulatory elements controlling IFN-gamma gene transcription. Furthermore, across the vertebrata, the first intron of IFN-gamma gene contains a polymorphic microsatellite that has been closely correlated with disease susceptibility. Comparative-modeling of IFN-gamma structure revealed differences among the representative species but with an overall conservation of the fold, dimer interface and some interactions with the receptor. The structural and functional conservation of IFN-gamma suggests the presence of an innate, natural killer (NK) like response or even an adaptive T(H)1 immune response in lower vertebrates.
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Affiliation(s)
- Ram Savan
- Laboratory for Experimental Immunology, Cancer and Inflammation Program, Center of Cancer Research, National Cancer Institute at Frederick, Frederick, MD, 21702 USA
| | - Sarangan Ravichandran
- Advanced Biomedical Computing Center, National Cancer Institute at Frederick, Frederick, MD, 21702 USA
| | - Jack R. Collins
- Advanced Biomedical Computing Center, National Cancer Institute at Frederick, Frederick, MD, 21702 USA
| | - Masahiro Sakai
- Laboratory of Marine Biotechnology, University of Miyazaki, Gakuen kibanadai nishi 1-1, Miyazaki city 889-2192, Miyazaki, Japan
| | - Howard A. Young
- Laboratory for Experimental Immunology, Cancer and Inflammation Program, Center of Cancer Research, National Cancer Institute at Frederick, Frederick, MD, 21702 USA
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Han X, Chen T, Wang M. Molecular cloning and characterization of chicken interferon-gamma receptor alpha-chain. J Interferon Cytokine Res 2008; 28:445-54. [PMID: 18597622 DOI: 10.1089/jir.2007.0135] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
In this study, a cDNA sequence of Huiyang chicken interferon-gamma (IFN-gamma) receptor alpha-chain (chIFNGR-1) gene wasgenerated using rapid amplification of cDNA ends (RACE) method for the first time. The predicted 422 amino acids showed approximately 25%-29% sequence identity and 53%-55% similarity to mammalian homologues. There are two fibronectin type-III (FN-III) domains of about 110 residues in the extracellular domain, and LPKS and YDKPH motifs in the intracellular domain, which are conserved in the mammalian IFNGR-1 as the binding sites of JAK1 and STAT1. Expression analysis by Northern blot revealed that the chIFNGR-1 was highly expressed in spleen, thymus, peripheral blood lymphocytes (PBLs), lung, cecum tonsil, and liver. The extracellular region of chIFNGR-1 (chIFNGR-1EC) was expressed in Escherichia coli and purified. The purified IFNGR-1EC was further characterized by mass spectroscopy and circular dichroism (CD) spectroscopy. The molecular weight of the recombinant chIFNGR-1EC (rchIFNGR-1EC) was measured as 24 364 Da, and its secondary structure contained 17.6% alpha-helix, 36.4% beta-sheet, 17.2% turn, and 28.8% random coil. Furthermore, three-dimensional modeling presented the most probable structure of chIFNGR-1EC. These * ndings show that the identified chicken cDNA sequence encodes an IFNGR1 homologue, and the chIFNGR-1EC resembles the similar structure with other IFN receptors.
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Affiliation(s)
- Xue Han
- College of Veterinary Medicine, China Agricultural University, Beijing, China
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22
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de Oliveira Neto M, Ferreira JR, Colau D, Fischer H, Nascimento AS, Craievich AF, Dumoutier L, Renauld JC, Polikarpov I. Interleukin-22 forms dimers that are recognized by two interleukin-22R1 receptor chains. Biophys J 2008; 94:1754-65. [PMID: 18024507 PMCID: PMC2242740 DOI: 10.1529/biophysj.107.112664] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2007] [Accepted: 10/11/2007] [Indexed: 11/18/2022] Open
Abstract
Interleukin-22 (IL-22) is a class 2 cytokine whose primary structure is similar to that of interleukin 10 (IL-10) and interferon-gamma (IFN-gamma). IL-22 induction during acute phase immune response indicates its involvement in mechanisms of inflammation. Structurally different from IL-10 and a number of other members of IL-10 family, which form intertwined inseparable V-shaped dimers of two identical polypeptide chains, a single polypeptide chain of IL-22 folds on itself in a relatively globular structure. Here we present evidence, based on native gel electrophoresis, glutaraldehyde cross-linking, dynamic light scattering, and small angle x-ray scattering experiments, that human IL-22 forms dimers and tetramers in solution under protein concentrations assessable by these experiments. Unexpectedly, low-resolution molecular shape of IL-22 dimers is strikingly similar to that of IL-10 and other intertwined cytokine dimeric forms. Furthermore, we determine an ab initio molecular shape of the IL-22/IL-22R1 complex which reveals the V-shaped IL-22 dimer interacting with two cognate IL-22R1 molecules. Based on this collective evidence, we argue that dimerization might be a common mechanism of all class 2 cytokines for the molecular recognition with their respective membrane receptor. We also speculate that the IL-22 tetramer formation could represent a way to store the cytokine in nonactive form at high concentrations that could be readily converted into functionally active monomers and dimers upon interaction with the cognate cellular receptors.
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Affiliation(s)
| | | | - Didier Colau
- Ludwig Institute for Cancer Research, Brussels Branch and the Experimental Medicine Unit, Christian de Duve Institute of Cellular Pathology, Université de Louvain, Brussels, Belgium
| | - Hannes Fischer
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brasil
- Instituto de Física, Universidade de São Paulo, São Paulo, Brasil
| | | | | | - Laure Dumoutier
- Ludwig Institute for Cancer Research, Brussels Branch and the Experimental Medicine Unit, Christian de Duve Institute of Cellular Pathology, Université de Louvain, Brussels, Belgium
| | - Jean-Christophe Renauld
- Ludwig Institute for Cancer Research, Brussels Branch and the Experimental Medicine Unit, Christian de Duve Institute of Cellular Pathology, Université de Louvain, Brussels, Belgium
| | - Igor Polikarpov
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, Brasil
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23
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Structure and mechanism of IFN-gamma antagonism by an orthopoxvirus IFN-gamma-binding protein. Proc Natl Acad Sci U S A 2008; 105:1861-6. [PMID: 18252829 DOI: 10.1073/pnas.0705753105] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Ectromelia virus (ECTV) encodes an IFN-gamma-binding protein (IFN-gammaBP(ECTV)) that disrupts IFN-gamma signaling and its ability to induce an antiviral state within cells. IFN-gammaBP(ECTV) is an important virulence factor that is highly conserved (>90%) in all orthopoxviruses, including variola virus, the causative agent of smallpox. The 2.2-A crystal structure of the IFN-gammaBP(ECTV)/IFN-gamma complex reveals IFN-gammaBP(ECTV) consists of an IFN-gammaR1 ligand-binding domain and a 57-aa helix-turn-helix (HTH) motif that is structurally related to the transcription factor TFIIA. The HTH motif forms a tetramerization domain that results in an IFN-gammaBP(ECTV)/IFN-gamma complex containing four IFN-gammaBP(ECTV) chains and two IFN-gamma dimers. The structure, combined with biochemical and cell-based assays, demonstrates that IFN-gammaBP(ECTV) tetramers are required for efficient IFN-gamma antagonism.
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24
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Li Z, Strunk JJ, Lamken P, Piehler J, Walz T. The EM structure of a type I interferon-receptor complex reveals a novel mechanism for cytokine signaling. J Mol Biol 2007; 377:715-24. [PMID: 18252254 DOI: 10.1016/j.jmb.2007.12.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2007] [Revised: 11/30/2007] [Accepted: 12/04/2007] [Indexed: 11/28/2022]
Abstract
Type I interferons (IFNs) have pleiotropic effects, including antiviral, antiproliferative, and immunomodulatory responses. All type I IFNs bind to a shared receptor consisting of the two transmembrane proteins ifnar1 and ifnar2. We used negative stain electron microscopy to calculate a three-dimensional reconstruction of the ternary complex formed by a triple mutant IFN alpha2 with the ectodomains of ifnar1 and ifnar2. We present a model of the complex obtained by placing atomic models of subunits into the density map of the complex. The complex of IFN alpha2 with its receptor (a class II cytokine receptor) shows structural similarities to the complexes formed by growth hormone and erythropoietin with their receptors (members of the class I cytokine receptor family). Despite different assembly mechanisms, class I and class II cytokine receptors thus appear to initiate signaling through similar arrangements of the receptors induced by the binding of their respective ligands.
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Affiliation(s)
- Zongli Li
- Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, MA 02115, USA
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25
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Binker MG, Zhao DY, Pang SJY, Harrison RE. Cytoplasmic linker protein-170 enhances spreading and phagocytosis in activated macrophages by stabilizing microtubules. THE JOURNAL OF IMMUNOLOGY 2007; 179:3780-91. [PMID: 17785815 DOI: 10.4049/jimmunol.179.6.3780] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Activation of macrophages causes increased cell spreading, increased secretion of cytokines and matrix metalloproteinases, and enhanced phagocytosis. The intracellular mechanisms driving the up-regulation of these activities have not been completely clarified. We observe that classical activation of murine resident peritoneal or RAW 264.7 macrophages with a combination of IFN-gamma and LPS induces an increase in stabilized cytoplasmic microtubules (MTs), measured with an anti-acetylated alpha-tubulin Ab. We examined the mechanism of this MT stabilization and find that macrophage activation causes redistribution of the MT plus-end tracking protein, cytoplasmic linker protein-170 (CLIP-170). CLIP-170 is localized at the distal plus-ends of MTs in resting macrophages, but accumulates along the length of MTs in IFN-gamma/LPS-activated cells. A direct involvement of CLIP-170 in MT stabilization has not been thoroughly established. In this study, we show that expression of a mutant CLIP-170 chimeric protein (dominant-negative CLIP-170-GFP), lacking the MT-binding domain, prevents MT stabilization in activated RAW 264.7 macrophages. Furthermore, we find enhanced CLIP-170 association with MTs and MT stabilization by treating resting macrophages with okadaic acid, implicating the protein phosphatase 2A in CLIP-170 binding and MT stabilization in RAW 264.7 cells. Finally, we observed enhanced cell spreading and phagocytosis in both IFN-gamma/LPS-activated and okadaic acid-treated resting RAW 264.7 cells, which are markedly reduced in activated cells expressing dominant-negative CLIP-170-GFP. These results identify CLIP-170 as a key regulator of MT stabilization and establish a prominent role for stabilized MTs in cell spreading and phagocytosis in activated macrophages.
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Affiliation(s)
- Marcelo G Binker
- Department of Biological Sciences, University of Toronto at Scarborough, Toronto, Ontario, Canada
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26
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Han CL, Zhang W, Dong HT, Han X, Wang M. A novel gene of beta chain of the IFN-gamma receptor of Huiyang chicken: cloning, distribution, and CD assay. J Interferon Cytokine Res 2006; 26:441-8. [PMID: 16800782 DOI: 10.1089/jir.2006.26.441] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The beta chain of the interferon-gamma receptor (IFNGR-2) plays a critical role in signal transmission to the nucleus by IFN-gamma. Here, we cloned the full-length cDNA of IFNGR-2 of Huiyang chicken using RACE. mRNA transcripts of IFNGR-2 were detected in peripheral blood leukocytes (PBL) and various organs using Northern blot analysis. The extracellular region of IFNGR-2 (IFNGR-2EC) was expressed in Pichia pastoris, and its secondary structure was investigated by circular dichroism (CD). The Huiyang chicken IFNGR-2 gene is 2221 bp with a polyA+ tail, and it encodes 334 amino acids sharing 30%-33% identity with that of rat, mouse, and human IFNGR-2. IFNGR-2 is localized on chromosome 1 of chicken in tandem with IFNAR-1, interleukin- 10 receptor (IL-10R-2), and IFNAR-2. IFNGR-2 was highly expressed in PBL, muscle, spleen, thymus, and cecal tonsil, whereas its expression in cardiac muscle, cloacal bursa, liver, and kidney was comparatively low. Recombinant protein of IFNGR-2EC expressed in P. pastoris formed the secondary structure including 19.8% alpha-helix, 29.6% beta-sheet, 19.7% turn, and 30.9% random. The data show that Huiyang chicken IFNGR-2 shares properties of the IFN receptor family in gene structure and distribution in multiple tissues and PBL. CD analysis indicated that the recombinant protein of IFNGR-2EC resembles the known structure of human IFN receptors.
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Affiliation(s)
- Chun-Lai Han
- College of Veterinary Medicine, China Agricultural University, Beijing, 100094, China
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27
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Krause CD, Pestka S. Evolution of the Class 2 cytokines and receptors, and discovery of new friends and relatives. Pharmacol Ther 2005; 106:299-346. [PMID: 15922016 DOI: 10.1016/j.pharmthera.2004.12.002] [Citation(s) in RCA: 102] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2004] [Revised: 12/13/2004] [Accepted: 12/16/2004] [Indexed: 02/08/2023]
Abstract
The sequencing of a wide variety of genomes and their transcripts has allowed researchers to determine how proteins or protein families evolved and how strongly during evolution a protein has been conserved. In this report, we analyze the evolution of the Class 2 ligands and their cognate receptors by analyzing Class 2 ligand and receptor chain gene sequences from a variety of DNA sequence databases. Both the Class 2 cytokines and receptor chains appear to have developed during the evolution of the chordate phyla: distant homologues of type I interferon (IFN) receptors are the only Class 2 cytokine receptors identified in the Ciona genomes, while a wide variety of Class 2 ligands and receptor chains are encoded in the currently available genomes of bony vertebrates (teleost fish, amphibians, reptiles, birds, mammals). Phylogenetic trees of ligands and ligand-binding receptor chains demonstrate that proteins involved in conferring antiviral activity diverged before those involved in adaptive immunity. Genes encoding IFNs and IFN receptors duplicated multiple times during chordate evolution, suggesting that duplication of genes encoding IFN activity conveyed an evolutionary advantage. Altogether, these data support a model whereby the original Class 2 cytokines and receptors evolved and duplicated during the evolution of the chordate innate immune response system; new receptor and ligand duplications evolved into signaling molecules to fulfill communication requirements of a highly specialized and differentiated vertebrate immune system. In addition, the genomic analysis led to the discovery of some new members of this family.
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Affiliation(s)
- Christopher D Krause
- Department of Molecular Genetics, Microbiology and Immunology, Robert Wood Johnson Medical School-University of Medicine and Dentistry of New Jersey, Piscataway, NJ 08854, USA.
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28
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Abstract
Recombinant interferon-alpha (IFN-alpha) was approved by regulatory agencies in many countries in 1986. As the first biotherapeutic approved, IFN-alpha paved the way for the development of many other cytokines and growth factors. Nevertheless, understanding the functions of the multitude of human IFNs and IFN-like cytokines has just touched the surface. This review summarizes the history of the purification of human IFNs and the key aspects of our current state of knowledge of human IFN genes, proteins, and receptors. All the known IFNs and IFN-like cytokines are described [IFN-alpha, IFN-beta, IFN-epsilon, IFN-kappa, IFN-omega, IFN-delta, IFN-tau, IFN-gamma, limitin, interleukin-28A (IL-28A), IL-28B, and IL-29] as well as their receptors and signal transduction pathways. The biological activities and clinical applications of the proteins are discussed. An extensive section on the evolution of these molecules provides some new insights into the development of these proteins as major elements of innate immunity. The overall structure of the IFNs is put into perspective in relation to their receptors and functions.
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Affiliation(s)
- Sidney Pestka
- Department of Molecular Genetics, Microbiology, and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, Piscataway, NJ 08854-5635, USA.
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29
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Mao X, Ren Z, Parker GN, Sondermann H, Pastorello MA, Wang W, McMurray JS, Demeler B, Darnell JE, Chen X. Structural bases of unphosphorylated STAT1 association and receptor binding. Mol Cell 2005; 17:761-71. [PMID: 15780933 DOI: 10.1016/j.molcel.2005.02.021] [Citation(s) in RCA: 214] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2004] [Revised: 01/13/2005] [Accepted: 02/15/2005] [Indexed: 10/25/2022]
Abstract
The crystal structure has been determined at 3.0 A resolution for an unphosphorylated STAT1 (1-683) complexed with a phosphopeptide derived from the alpha chain of interferon gamma (IFNgamma) receptor. Two dimer interfaces are seen, one between the N domains (NDs) (amino acid residues 1-123) and the other between the core fragments (CFs) (residues 132-683). Analyses of the wild-type (wt) and mutant STAT1 proteins by static light scattering, analytical ultracentrifugation, and coimmunoprecipitation suggest that STAT1 is predominantly dimeric prior to activation, and the dimer is mediated by the ND interactions. The connecting region between the ND and the CF is flexible and allows two interconvertable orientations of the CFs, termed "antiparallel" or "parallel," as determined by SH2 domain orientations. Functional implications of these dimer conformations are discussed. Also revealed in this structure is the detailed interaction between STAT1 SH2 domain and its docking site on IFNgamma receptor.
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Affiliation(s)
- Xiang Mao
- Department of Biochemistry and Molecular Biology, M.D. Anderson Cancer Center , The University of Texas, Houston, Texas 77030, USA
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30
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Abstract
The Class 2 alpha-helical cytokines consist of interleukin-10 (IL-10), IL-19, IL-20, IL-22, IL-24 (Mda-7), and IL-26, interferons (IFN-alpha, -beta, -epsilon, -kappa, -omega, -delta, -tau, and -gamma) and interferon-like molecules (limitin, IL-28A, IL-28B, and IL-29). The interaction of these cytokines with their specific receptor molecules initiates a broad and varied array of signals that induce cellular antiviral states, modulate inflammatory responses, inhibit or stimulate cell growth, produce or inhibit apoptosis, and affect many immune mechanisms. The information derived from crystal structures and molecular evolution has led to progress in the analysis of the molecular mechanisms initiating their biological activities. These cytokines have significant roles in a variety of pathophysiological processes as well as in regulation of the immune system. Further investigation of these critical intercellular signaling molecules will provide important information to enable these proteins to be used more extensively in therapy for a variety of diseases.
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Affiliation(s)
- Sidney Pestka
- Department of Molecular Genetics, Microbiology, and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, Piscataway, New Jersey 08854, USA.
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31
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Langer JA, Cutrone EC, Kotenko S. The Class II cytokine receptor (CRF2) family: overview and patterns of receptor–ligand interactions. Cytokine Growth Factor Rev 2004; 15:33-48. [PMID: 14746812 DOI: 10.1016/j.cytogfr.2003.10.001] [Citation(s) in RCA: 141] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Expanded genomic information has driven the discovery of new members of the human Class II family of cytokine receptors (CRF2), which now includes 12 proteins. The corresponding cytokines have been identified, paired with their receptors and initially characterized for function. These cytokines include: a new human Type I IFN, IFN-kappa; molecules related to IL-10 (IL-19, IL-20, IL-22, IL-24, IL-26); and IFN-lambdas (IL-28/29), which have antiviral and cell stimulatory activities reminiscent of Type I IFNs, but act through a distinct receptor. In response to ligand binding, the CRF2 proteins form heterodimers, leading to cytokine-specific cellular responses; these diverse physiological functions are just beginning to be explored. Progress in structural and mutational analysis of ligand-receptor interactions now presents a more reliable framework for understanding receptor-ligand interactions, and for predicting key regions in less well studied members of the CRF2 family. The relationships between the CRF2 proteins will be summarized, as will the progress in identifying patterns of receptor interactions with ligands.
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Affiliation(s)
- Jerome A Langer
- Department of Molecular Genetics, Microbiology and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, 675 Hoes Lane, Piscataway, NJ 08854, USA.
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32
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Kossiakoff AA. The structural basis for biological signaling, regulation, and specificity in the growth hormone-prolactin system of hormones and receptors. ADVANCES IN PROTEIN CHEMISTRY 2004; 68:147-69. [PMID: 15500861 DOI: 10.1016/s0065-3233(04)68005-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The pituitary hormones growth hormone (GH), prolactin (PRL) and placental lactogen (PL), are members of an extensive cytokine superfamily of hormones and receptors that share many of the same general structure-function relationships in expressing their biological activities. The biology of the pituitary hormones involves a very sophisticated interplay of cross-reactivity and specificity. Biological activity is triggered via a hormone-induced receptor homodimerization process that is regulated by tertiary features of the hormone. These hormones have an asymmetric four alpha-helical bundle structure that gives rise to two receptor binding sites that have distinctly different topographies and electrostatic character. This feature plays an important role in the regulation of these systems by producing binding surfaces with dramatically different binding affinities to the receptor extracellular domains (ECD). As a consequence, the signaling complexes for systems that activate through receptor homodimerization are formed in a controlled sequential step-wise manner. Extensive biochemical and biophysical characterization of the two hormone-receptor interfaces indicate that the energetic properties of the two binding sites are fundamentally different and that the receptor shows extraordinary conformational plasticity to mate with the topographically dissimilar sites on the hormone. An unexpected finding has been that the two hormone binding sites are allosterically coupled; a certain set of mutations in the higher affinity site can produce both conformational and energetic effects in the lower affinity site. These effects are so large that at some level they must have played some role in the evolution of the molecule.
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Affiliation(s)
- Anthony A Kossiakoff
- Department of Biochemistry and Molecular Biology, Institute for Biophysical Dynamics, University of Chicago, Cummings Life Sciences Center, Chicago, Illinois 60637, USA
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33
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Walter MR. Structural Analysis of IL-10 and Type I Interferon Family Members and their Complexes with Receptor. CELL SURFACE RECEPTORS 2004; 68:171-223. [PMID: 15500862 DOI: 10.1016/s0065-3233(04)68006-5] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Mark R Walter
- Department of Microbiology and Center for Biophysical Sciences and Engineering, University of Alabama at Birmingham, Alabama 35294, USA
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34
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Nagabhushan TL, Reichert P, Walter MR, Murgolo NJ. Type I interferon structures: Possible scaffolds for the interferon-alpha receptor complex. CAN J CHEM 2002. [DOI: 10.1139/v02-158] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The structures of several type I interferons (IFNs) are known. We review the structural information known for IFN alphas and compare them to other interferons and cytokines. We also review the structural information known or proposed for IFNcell receptor complexes. However, the structure of the IFN cell receptor IFN receptor2 (IFNAR2) and IFN receptor1 (IFNAR1) complex has not yet been determined. This paper describes a structural model of human IFN-IFNAR2/IFNAR1 complex using human IFN-α2bdimer as the ligand. Both the structures of recombinant human IFN-α2band IFN-β were determined by X-ray crystallography as zinc-mediated dimers. Our proposed model was generated using human IFN-α2bdimer docked with IFNAR2/IFNAR1. We compare our model with the receptor complex models proposed for IFN-β and IFN-γ to contrast similarities and differences. The mutual binding sites of human IFN-α2band IFNAR2/IFNAR1 complex are consistent with available mutagenesis studies.Key words: three dimensional structure, antiviral activity, receptor, interferon.
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35
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Subramaniam PS, Green MM, Larkin J, Torres BA, Johnson HM. Nuclear translocation of IFN-gamma is an intrinsic requirement for its biologic activity and can be driven by a heterologous nuclear localization sequence. J Interferon Cytokine Res 2001; 21:951-9. [PMID: 11747627 DOI: 10.1089/107999001753289569] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
We have previously identified a nuclear localization sequence (NLS) in interferon-gamma (IFN-gamma). This NLS functions intracellularly by forming a complex with its transcription factor Stat1alpha and the nuclear importer of Stat1alpha, the importin-alpha analog NPI-1. The stability of this complex and the subsequent nuclear translocation of the complexed Stat1alpha are dependent on the integrity of this NLS, showing that Stat1alpha nuclear import is mediated by the IFN-gamma NLS. In this study, to directly evaluate the intrinsic requirement of nuclear IFN-gamma toward its biologic activities, we engineered a chimeric in which the IFN-gamma NLS has been substituted by a heterologous NLS, namely, the prototypical NLS of the SV40 large T antigen, which would drive nuclear translocation of IFN-gamma in a sequence-nonspecific manner. The chimeric, IFN-gamma-SV, was equally active in antiviral and antiproliferative assays as the wild-type IFN-gamma. Interestingly, IFN-gamma-SV was also translocated to the nucleus and was also recovered intracellularly as a complex with the Stat1alpha importer NPI-1, like wild-type IFN-gamma. Comparison with an NLS deletion mutant showed that deletion or changes within the NLS motif of IFN-gamma were inconsequential to the high-affinity extracellular binding to the IFN-gamma receptor complex, yet the presence of an NLS was critical to the expression of the biologic activities of IFN-gamma and its NPI-1 complexation ability. Our data conclusively demonstrate that nuclear translocation of IFN-gamma is an intrinsic requirement for the full expression of the biologic activities of IFN-gamma and strengthen the conclusion that nuclear chaperoning of Stat1alpha is the primary role of IFN-gamma nuclear translocation. This type of ligand imprinting by sequestering of activated Stat may contribute to the specificity of Stat nuclear transcription.
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Affiliation(s)
- P S Subramaniam
- Department of Microbiology & Cell Science, University of Florida, Gainesville, FL 32611, USA.
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36
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Josephson K, Logsdon NJ, Walter MR. Crystal structure of the IL-10/IL-10R1 complex reveals a shared receptor binding site. Immunity 2001; 15:35-46. [PMID: 11485736 DOI: 10.1016/s1074-7613(01)00169-8] [Citation(s) in RCA: 155] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Interleukin 10 (IL-10) is a dimeric cytokine that plays a central role in suppressing inflammatory responses. These activities are dependent on the interaction of IL-10 with its high-affinity receptor (IL-10R1). This intermediate complex must subsequently recruit the low-affinity IL-10R2 chain before cell signaling can occur. Here we report the 2.9 A crystal structure of IL-10 bound to a soluble form of IL-10R1 (sIL-10R1). The complex consists of two IL-10s and four sIL-10R1 molecules. Several residues in the IL-10/sIL-10R1 interface are conserved in all IL-10 homologs and their receptors. The data suggests that formation of the active IL-10 signaling complex occurs by a novel molecular recognition paradigm where IL-10R1 and IL-10R2 both recognize the same binding site on IL-10.
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Affiliation(s)
- K Josephson
- Center for Macromolecular Crystallography, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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