51
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Chen C, Lv Y, Hu C, Xu XF, Zhang RQ, Xiao K, Ma Y, Gao LP, Li JL, Shi Q, Wang J, Shi Q, Dong XP. Alternative complement pathway is activated in the brains of scrapie-infected rodents. Med Microbiol Immunol 2019; 209:81-94. [PMID: 31720785 DOI: 10.1007/s00430-019-00641-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 10/30/2019] [Indexed: 11/28/2022]
Abstract
Activation of complement system in central nervous system (CNS) of the patients suffering from prion diseases or animal models infected with prion agents experimentally is reported repeatedly, but which pathways are involved in the complement system during prion infection is not well documented. Here, we evaluated the level of complement factor B (CFB), which is the key factor that triggers alterative pathway (AP) of complement in the brain tissues of scrapie-infected mice with various methodologies. We found that the levels of mRNA and protein of CFB significantly increased in the brain tissues of scrapie-infected mice. Morphologically, the increased CFB-specific signal overlapped with the elevated C3 signal in brain sections of scrapie-infected mice, meanwhile overlapped with damaged neurons and activated microglia, but not with the proliferative astrocytes. Additionally, the level of complement factor P (CFP), the key positive regulator of AP, also increased remarkably in the brain tissues of infected mice. The transcriptional levels of CD55 and CD46, two negative regulators of AP, decreased without significance in brain tissues of scrapie-infected mice at the terminal stage. However, the mRNA and protein levels of CFH, another negative regulator of AP, increased. Through the dynamic analyses of the expressions of CFB, CFP, and CFH in brain sections of 139A-infected mice, which were collected at different time-points during incubation period, illustrated time-dependent increase levels of each factor during the incubation period of scrapie infection. Taken together, our data here demonstrate that the AP of complement cascade is activated in the CNS microenvironment during prion infection.
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Affiliation(s)
- Cao Chen
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China.,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, People's Republic of China
| | - Yan Lv
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Chao Hu
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Xiao-Feng Xu
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Ren-Qing Zhang
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Kang Xiao
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Yue Ma
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Li-Ping Gao
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Jian-Le Li
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Qiang Shi
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Jing Wang
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Qi Shi
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Xiao-Ping Dong
- State Key Laboratory for Infectious Disease Prevention and Control, NHC Key Laboratory of Medical Virology and Viral Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases (Zhejiang University), National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China. .,Center of Global Public Health, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China. .,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, People's Republic of China. .,China Academy of Chinese Medical Sciences, Dongzhimeinei, South Rd 16, Beijing, 100700, China.
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52
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Sheppard S, Schuster IS, Andoniou CE, Cocita C, Adejumo T, Kung SKP, Sun JC, Degli-Esposti MA, Guerra N. The Murine Natural Cytotoxic Receptor NKp46/NCR1 Controls TRAIL Protein Expression in NK Cells and ILC1s. Cell Rep 2019; 22:3385-3392. [PMID: 29590608 PMCID: PMC5896200 DOI: 10.1016/j.celrep.2018.03.023] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 02/05/2018] [Accepted: 03/06/2018] [Indexed: 12/16/2022] Open
Abstract
TRAIL is an apoptosis-inducing ligand constitutively expressed on liver-resident type 1 innate lymphoid cells (ILC1s) and a subset of natural killer (NK) cells, where it contributes to NK cell anti-tumor, anti-viral, and immunoregulatory functions. However, the intrinsic pathways involved in TRAIL expression in ILCs remain unclear. Here, we demonstrate that the murine natural cytotoxic receptor mNKp46/NCR1, expressed on ILC1s and NK cells, controls TRAIL protein expression. Using NKp46-deficient mice, we show that ILC1s lack constitutive expression of TRAIL protein and that NK cells activated in vitro and in vivo fail to upregulate cell surface TRAIL in the absence of NKp46. We show that NKp46 regulates TRAIL expression in a dose-dependent manner and that the reintroduction of NKp46 in mature NK cells deficient for NKp46 is sufficient to restore TRAIL surface expression. These studies uncover a link between NKp46 and TRAIL expression in ILCs with potential implications in pathologies involving NKp46-expressing cells.
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Affiliation(s)
- Sam Sheppard
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK; Memorial Sloan Kettering Cancer Center, Zuckerman Research Center, 408 East 69th Street, New York, NY 10065, USA
| | - Iona S Schuster
- Immunology and Virology Program, Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, Western Australia, Australia; Centre for Experimental Immunology, Lions Eye Institute, Nedlands, Western Australia, Australia
| | - Christopher E Andoniou
- Immunology and Virology Program, Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, Western Australia, Australia; Centre for Experimental Immunology, Lions Eye Institute, Nedlands, Western Australia, Australia
| | - Clement Cocita
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK
| | - Thomas Adejumo
- Medical Research Center, Hammersmith Hospital, London W12 0NN, UK
| | - Sam K P Kung
- Department of Immunology, Max Rady College of Medicine, University of Manitoba, Winnipeg R3E 0T5, Manitoba, Canada
| | - Joseph C Sun
- Memorial Sloan Kettering Cancer Center, Zuckerman Research Center, 408 East 69th Street, New York, NY 10065, USA
| | - Mariapia A Degli-Esposti
- Immunology and Virology Program, Centre for Ophthalmology and Visual Science, The University of Western Australia, Crawley, Western Australia, Australia; Centre for Experimental Immunology, Lions Eye Institute, Nedlands, Western Australia, Australia
| | - Nadia Guerra
- Department of Life Sciences, Imperial College London, London SW7 2AZ, UK.
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53
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Sivori S, Meazza R, Quintarelli C, Carlomagno S, Della Chiesa M, Falco M, Moretta L, Locatelli F, Pende D. NK Cell-Based Immunotherapy for Hematological Malignancies. J Clin Med 2019; 8:E1702. [PMID: 31623224 PMCID: PMC6832127 DOI: 10.3390/jcm8101702] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/10/2019] [Accepted: 10/11/2019] [Indexed: 12/31/2022] Open
Abstract
Natural killer (NK) lymphocytes are an integral component of the innate immune system and represent important effector cells in cancer immunotherapy, particularly in the control of hematological malignancies. Refined knowledge of NK cellular and molecular biology has fueled the interest in NK cell-based antitumor therapies, and recent efforts have been made to exploit the high potential of these cells in clinical practice. Infusion of high numbers of mature NK cells through the novel graft manipulation based on the selective depletion of T cells and CD19+ B cells has resulted into an improved outcome in children with acute leukemia given human leucocyte antigen (HLA)-haploidentical hematopoietic transplantation. Likewise, adoptive transfer of purified third-party NK cells showed promising results in patients with myeloid malignancies. Strategies based on the use of cytokines or monoclonal antibodies able to induce and optimize NK cell activation, persistence, and expansion also represent a novel field of investigation with remarkable perspectives of favorably impacting on outcome of patients with hematological neoplasia. In addition, preliminary results suggest that engineering of mature NK cells through chimeric antigen receptor (CAR) constructs deserve further investigation, with the goal of obtaining an "off-the-shelf" NK cell bank that may serve many different recipients for granting an efficient antileukemia activity.
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Affiliation(s)
- Simona Sivori
- Department of Experimental Medicine, University of Genoa, 16132 Genoa, Italy (S.C.); (M.D.C.)
- Centre of Excellence for Biomedical Research, University of Genoa, 16132 Genoa, Italy
| | - Raffaella Meazza
- Department of Integrated Oncological Therapies, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy;
| | - Concetta Quintarelli
- Department of Hematology/Oncology, IRCCS Ospedale Pediatrico Bambino Gesù, 00165 Rome, Italy; (C.Q.); (F.L.)
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Simona Carlomagno
- Department of Experimental Medicine, University of Genoa, 16132 Genoa, Italy (S.C.); (M.D.C.)
| | - Mariella Della Chiesa
- Department of Experimental Medicine, University of Genoa, 16132 Genoa, Italy (S.C.); (M.D.C.)
- Centre of Excellence for Biomedical Research, University of Genoa, 16132 Genoa, Italy
| | - Michela Falco
- Integrated Department of Services and Laboratories, IRCCS Istituto Giannina Gaslini, 16147 Genoa, Italy;
| | - Lorenzo Moretta
- Department of Immunology, IRCCS Ospedale Pediatrico Bambino Gesù, 00146 Rome, Italy;
| | - Franco Locatelli
- Department of Hematology/Oncology, IRCCS Ospedale Pediatrico Bambino Gesù, 00165 Rome, Italy; (C.Q.); (F.L.)
- Department of Gynecology/Obstetrics and Pediatrics, Sapienza University, 00185 Rome, Italy
| | - Daniela Pende
- Department of Integrated Oncological Therapies, IRCCS Ospedale Policlinico San Martino, 16132 Genoa, Italy;
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54
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Bernson E, Christenson K, Pesce S, Pasanen M, Marcenaro E, Sivori S, Thorén FB. Downregulation of HLA Class I Renders Inflammatory Neutrophils More Susceptible to NK Cell-Induced Apoptosis. Front Immunol 2019; 10:2444. [PMID: 31681321 PMCID: PMC6803460 DOI: 10.3389/fimmu.2019.02444] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/01/2019] [Indexed: 12/19/2022] Open
Abstract
Neutrophils are potent effector cells and contain a battery of harmful substances and degrading enzymes. A silent neutrophil death, i.e., apoptosis, is therefore of importance to avoid damage to the surrounding tissue and to enable termination of the acute inflammatory process. There is a pile of evidence supporting the role for pro-inflammatory cytokines in extending the life-span of neutrophils, but relatively few studies have been devoted to mechanisms actively driving apoptosis induction in neutrophils. We have previously demonstrated that natural killer (NK) cells can promote apoptosis in healthy neutrophils. In this study, we set out to investigate how neutrophil sensitivity to NK cell-mediated cytotoxicity is regulated under inflammatory conditions. Using in vitro-activated neutrophils and a human skin chamber model that allowed collection of in vivo-transmigrated neutrophils, we performed a comprehensive characterization of neutrophil expression of ligands to NK cell receptors. These studies revealed a dramatic downregulation of HLA class I molecules in inflammatory neutrophils, which was associated with an enhanced susceptibility to NK cell cytotoxicity. Collectively, our data shed light on the complex regulation of interactions between NK cells and neutrophils during an inflammatory response and provide further support for a role of NK cells in the resolution phase of inflammation.
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Affiliation(s)
- Elin Bernson
- TIMM Laboratory, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Karin Christenson
- TIMM Laboratory, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Department of Oral Microbiology and Immunology, University of Gothenburg, Gothenburg, Sweden
| | - Silvia Pesce
- TIMM Laboratory, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Malin Pasanen
- TIMM Laboratory, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Emanuela Marcenaro
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Center of Excellence for Biomedical Research (CEBR), University of Genoa, Genoa, Italy
| | - Simona Sivori
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Center of Excellence for Biomedical Research (CEBR), University of Genoa, Genoa, Italy
| | - Fredrik B Thorén
- TIMM Laboratory, Sahlgrenska Cancer Center, University of Gothenburg, Gothenburg, Sweden.,Department of Infectious Diseases, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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55
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ImmGen report: sexual dimorphism in the immune system transcriptome. Nat Commun 2019; 10:4295. [PMID: 31541153 PMCID: PMC6754408 DOI: 10.1038/s41467-019-12348-6] [Citation(s) in RCA: 135] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 08/29/2019] [Indexed: 11/24/2022] Open
Abstract
Sexual dimorphism in the mammalian immune system is manifested as more frequent and severe infectious diseases in males and, on the other hand, higher rates of autoimmune disease in females, yet insights underlying those differences are still lacking. Here we characterize sex differences in the immune system by RNA and ATAC sequence profiling of untreated and interferon-induced immune cell types in male and female mice. We detect very few differentially expressed genes between male and female immune cells except in macrophages from three different tissues. Accordingly, very few genomic regions display differences in accessibility between sexes. Transcriptional sexual dimorphism in macrophages is mediated by genes of innate immune pathways, and increases after interferon stimulation. Thus, the stronger immune response of females may be due to more activated innate immune pathways prior to pathogen invasion. Sexual dimorphism is observed frequently in immune disorders, but the underlying insights are still unclear. Here the authors analyze transcriptome and epigenome changes induced by interferon in various mouse immune cell types, and find only a restricted set of sexual dimorphism genes in innate immunity and macrophages.
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56
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Comparative Analysis of MicroRNA and mRNA Profiles of Sperm with Different Freeze Tolerance Capacities in Boar ( Sus scrofa) and Giant Panda ( Ailuropoda melanoleuca). Biomolecules 2019; 9:biom9090432. [PMID: 31480517 PMCID: PMC6769438 DOI: 10.3390/biom9090432] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 08/29/2019] [Accepted: 08/29/2019] [Indexed: 12/19/2022] Open
Abstract
Post-thawed sperm quality parameters vary across different species after cryopreservation. To date, the molecular mechanism of sperm cryoinjury, freeze-tolerance and other influential factors are largely unknown. In this study, significantly dysregulated microRNAs (miRNAs) and mRNAs in boar and giant panda sperm with different cryo-resistance capacity were evaluated. From the result of miRNA profile of fresh and frozen-thawed giant panda sperm, a total of 899 mature, novel miRNAs were identified, and 284 miRNAs were found to be significantly dysregulated (195 up-regulated and 89 down-regulated). Combined analysis of miRNA profiling of giant panda sperm and our previously published data on boar sperm, 46, 21 and 4 differentially expressed (DE) mRNAs in boar sperm were believed to be related to apoptosis, glycolysis and oxidative phosphorylation, respectively. Meanwhile, 87, 17 and 7 DE mRNAs in giant panda were associated with apoptosis, glycolysis and oxidative phosphorylation, respectively. Gene ontology (GO) analysis of the targets of DE miRNAs showed that they were mainly distributed on membrane related pathway in giant panda sperm, while cell components and cell processes were tied to the targets of DE miRNAs in boar sperm. Finally, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of DE mRNAs indicated that most of these DE mRNAs were distributed in membrane signal transduction-related pathways in giant panda sperm, while those in boar sperm were mainly distributed in the cytokine-cytokine receptor interaction pathway and inflammatory related pathways. In conclusion, although the different freezing extenders and programs were used, the DE miRNAs and mRNAs involved in apoptosis, energy metabolism, olfactory transduction pathway, inflammatory response and cytokine-cytokine interactions, could be the possible molecular mechanism of sperm cryoinjury and freeze tolerance.
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57
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Pedersen DV, Gadeberg TAF, Thomas C, Wang Y, Joram N, Jensen RK, Mazarakis SMM, Revel M, El Sissy C, Petersen SV, Lindorff-Larsen K, Thiel S, Laursen NS, Fremeaux-Bacchi V, Andersen GR. Structural Basis for Properdin Oligomerization and Convertase Stimulation in the Human Complement System. Front Immunol 2019; 10:2007. [PMID: 31507604 PMCID: PMC6713926 DOI: 10.3389/fimmu.2019.02007] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 08/07/2019] [Indexed: 12/05/2022] Open
Abstract
Properdin (FP) is a positive regulator of the immune system stimulating the activity of the proteolytically active C3 convertase C3bBb in the alternative pathway of the complement system. Here we present two crystal structures of FP and two structures of convertase bound FP. A structural core formed by three thrombospondin repeats (TSRs) and a TB domain harbors the convertase binding site in FP that mainly interacts with C3b. Stabilization of the interaction between the C3b C-terminus and the MIDAS bound Mg2+ in the Bb protease by FP TSR5 is proposed to underlie FP convertase stabilization. Intermolecular contacts between FP and the convertase subunits suggested by the structure were confirmed by binding experiments. FP is shown to inhibit C3b degradation by FI due to a direct competition for a common binding site on C3b. FP oligomers are held together by two sets of intermolecular contacts, where the first is formed by the TB domain from one FP molecule and TSR4 from another. The second and largest interface is formed by TSR1 and TSR6 from the same two FP molecules. Flexibility at four hinges between thrombospondin repeats is suggested to enable the oligomeric, polydisperse, and extended architecture of FP. Our structures rationalize the effects of mutations associated with FP deficiencies and provide a structural basis for the analysis of FP function in convertases and its possible role in pattern recognition.
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Affiliation(s)
- Dennis V. Pedersen
- Department of Molecular Biology and Genetics, Center for Structural Biology, Aarhus University, Aarhus, Denmark
| | - Trine A. F. Gadeberg
- Department of Molecular Biology and Genetics, Center for Structural Biology, Aarhus University, Aarhus, Denmark
| | - Caroline Thomas
- Service d'Oncologie Pédiatrique, CHU Nantes, Hôpital Mère Enfant, Nantes, France
| | - Yong Wang
- Department of Biology, Linderstrøm-Lang Centre for Protein Science, University of Copenhagen, Copenhagen, Denmark
| | - Nicolas Joram
- Service de Réanimation Pédiatrique, CHU Nantes, Nantes, France
| | - Rasmus K. Jensen
- Department of Molecular Biology and Genetics, Center for Structural Biology, Aarhus University, Aarhus, Denmark
| | - Sofia M. M. Mazarakis
- Department of Molecular Biology and Genetics, Center for Structural Biology, Aarhus University, Aarhus, Denmark
| | - Margot Revel
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, USPC, Université Paris Descartes, Université Paris Diderot, Paris, France
| | - Carine El Sissy
- Service d'Immunologie Biologique, Assistance Publique – Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France
| | | | - Kresten Lindorff-Larsen
- Department of Biology, Linderstrøm-Lang Centre for Protein Science, University of Copenhagen, Copenhagen, Denmark
| | - Steffen Thiel
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Nick S. Laursen
- Department of Molecular Biology and Genetics, Center for Structural Biology, Aarhus University, Aarhus, Denmark
| | - Véronique Fremeaux-Bacchi
- Service d'Immunologie Biologique, Assistance Publique – Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France
| | - Gregers R. Andersen
- Department of Molecular Biology and Genetics, Center for Structural Biology, Aarhus University, Aarhus, Denmark
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58
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Almeida FF, Jacquelot N, Belz GT. Deconstructing deployment of the innate immune lymphocyte army for barrier homeostasis and protection. Immunol Rev 2019; 286:6-22. [PMID: 30294966 PMCID: PMC6446816 DOI: 10.1111/imr.12709] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 08/16/2018] [Indexed: 12/30/2022]
Abstract
The study of the immune system has shifted from a purely dichotomous separation between the innate and adaptive arms to one that is now highly complex and reshaping our ideas of how steady‐state health is assured. It is now clear that immune cells do not neatly fit into these two streams and immune homeostasis depends on continual dialogue between multiple lineages of the innate (including dendritic cells, innate lymphoid cells, and unconventional lymphocytes) and adaptive (T and B lymphocytes) arms together with a finely tuned synergy between the host and microbes which is essential to ensure immune homeostasis. Innate lymphoid cells are critical players in this new landscape. Here, we discuss recent studies that have elucidated in detail the development of ILCs from their earliest progenitors and examine factors that influence their identification and ability to drive immune homeostasis and long‐term immune protection.
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Affiliation(s)
- Francisca F Almeida
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Nicolas Jacquelot
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Gabrielle T Belz
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
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59
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Duhan V, Hamdan TA, Xu HC, Shinde P, Bhat H, Li F, Al-Matary Y, Häussinger D, Bezgovsek J, Friedrich SK, Hardt C, Lang PA, Lang KS. NK cell-intrinsic FcεRIγ limits CD8+ T-cell expansion and thereby turns an acute into a chronic viral infection. PLoS Pathog 2019; 15:e1007797. [PMID: 31220194 PMCID: PMC6605677 DOI: 10.1371/journal.ppat.1007797] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 07/02/2019] [Accepted: 04/29/2019] [Indexed: 11/18/2022] Open
Abstract
During viral infection, tight regulation of CD8+ T-cell functions determines the outcome of the disease. Recently, others and we determined that the natural killer (NK) cells kill hyperproliferative CD8+ T cells in the context of viral infection, but molecules that are involved in shaping the regulatory capability of NK cells remain virtually unknown. Here we used mice lacking the Fc-receptor common gamma chain (FcRγ, FcεRIγ, Fcer1g–/– mice) to determine the role of Fc-receptor and NK-receptor signaling in the process of CD8+ T-cell regulation. We found that the lack of FcRγ on NK cells limits their ability to restrain virus-specific CD8+ T cells and that the lack of FcRγ in Fcer1g–/– mice leads to enhanced CD8+ T-cell responses and rapid control of the chronic docile strain of the lymphocytic choriomeningitis virus (LCMV). Mechanistically, FcRγ stabilized the expression of NKp46 but not that of other killer cell–activating receptors on NK cells. Although FcRγ did not influence the development or activation of NK cell during LCMV infection, it specifically limited their ability to modulate CD8+ T-cell functions. In conclusion, we determined that FcRγ plays an important role in regulating CD8+ T-cell functions during chronic LCMV infection. FcRγ is a signaling molecule for Fc receptors and NK cell killer activating receptor (KAR) complex. FcRγ is highly expressed by NK cells and involved in NK cell activity. NK cells are widely defined to regulate the expansion of T cells. Here using chronic LCMV model, we described the role of FcRγ in NK cell mediated shaping of CD8+ T cell response and viral control. We observed that FcRγ does not affect the early activity of NK cells which is mainly innate immune cytokines driven, but rather the specific activation due to NKp46 inadequacy. We detected that FcRγ stabilizes NKp46 protein by preventing it from proteasomal degradation. Due to lack of NKp46 expression in absence of FcRγ, we observed strong CD8+ T cell response and faster viral clearance during chronic LCMV infection. These data demonstrate that FcRγ is crucial for specific activity of NK cells for regulation of CD8+ T cell response during viral infection.
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Affiliation(s)
- Vikas Duhan
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Thamer A. Hamdan
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Haifeng C. Xu
- Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Prashant Shinde
- Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Hilal Bhat
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Fanghui Li
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Yahya Al-Matary
- Department of Hematology, West German Cancer Center, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Dieter Häussinger
- Department of Gastroenterology, Hepatology, and Infectious Diseases, Heinrich‐Heine‐University, Düsseldorf, Germany
| | - Judith Bezgovsek
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Sarah-Kim Friedrich
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Cornelia Hardt
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
| | - Philipp A. Lang
- Department of Molecular Medicine II, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Karl S. Lang
- Institute of Immunology, Medical Faculty, University of Duisburg-Essen, Essen, Germany
- * E-mail:
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60
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Vitale M, Cantoni C, Della Chiesa M, Ferlazzo G, Carlomagno S, Pende D, Falco M, Pessino A, Muccio L, De Maria A, Marcenaro E, Moretta L, Sivori S. An Historical Overview: The Discovery of How NK Cells Can Kill Enemies, Recruit Defense Troops, and More. Front Immunol 2019; 10:1415. [PMID: 31316503 PMCID: PMC6611392 DOI: 10.3389/fimmu.2019.01415] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 06/04/2019] [Indexed: 12/13/2022] Open
Abstract
Natural killer (NK) cells were originally defined as effector lymphocytes of innate immunity characterized by the unique ability of killing tumor and virally infected cells without any prior priming and expansion of specific clones. The "missing-self" theory, proposed by Klas Karre, the seminal discovery of the first prototypic HLA class I-specific inhibitory receptors, and, later, of the Natural Cytotoxicity Receptors (NCRs) by Alessandro Moretta, provided the bases to understand the puzzling behavior of NK cells. Actually, those discoveries proved crucial also for many of the achievements that, along the years, have contributed to the modern view of these cells. Indeed, NK cells, besides killing susceptible targets, are now known to functionally interact with different immune cells, sense pathogens using TLR, adapt their responses to the local environment, and, even, mount a sort of immunological memory. In this review, we will specifically focus on the main activating NK receptors and on their crucial role in the ever-increasing number of functions assigned to NK cells and other innate lymphoid cells (ILCs).
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Affiliation(s)
- Massimo Vitale
- U.O.C. Immunologia, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Claudia Cantoni
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- Centre of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
- Laboratory of Clinical and Experimental Immunology, Integrated Department of Services and Laboratories, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Mariella Della Chiesa
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- Centre of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
| | - Guido Ferlazzo
- Laboratory of Immunology and Biotherapy, Department of Human Pathology, University of Messina, Messina, Italy
| | - Simona Carlomagno
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Daniela Pende
- U.O.C. Immunologia, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Michela Falco
- Laboratory of Clinical and Experimental Immunology, Integrated Department of Services and Laboratories, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Annamaria Pessino
- Medical Oncology Unit 1, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Letizia Muccio
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Andrea De Maria
- Centre of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
- Dipartimento di Scienze della Salute (DISSAL), University of Genoa, Genoa, Italy
- Clinica Malattie Infettive, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Emanuela Marcenaro
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- Centre of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
| | - Lorenzo Moretta
- Laboratory of Tumor Immunology, Department of Immunology, IRCCS Ospedale Bambino Gesù, Rome, Italy
| | - Simona Sivori
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
- Centre of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
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61
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Multifunctional Natural Killer Cell Engagers Targeting NKp46 Trigger Protective Tumor Immunity. Cell 2019; 177:1701-1713.e16. [PMID: 31155232 DOI: 10.1016/j.cell.2019.04.041] [Citation(s) in RCA: 264] [Impact Index Per Article: 52.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 03/19/2019] [Accepted: 04/23/2019] [Indexed: 02/07/2023]
Abstract
Over the last decade, various new therapies have been developed to promote anti-tumor immunity. Despite interesting clinical results in hematological malignancies, the development of bispecific killer-cell-engager antibody formats directed against tumor cells and stimulating anti-tumor T cell immunity has proved challenging, mostly due to toxicity problems. We report here the generation of trifunctional natural killer (NK) cell engagers (NKCEs), targeting two activating receptors, NKp46 and CD16, on NK cells and a tumor antigen on cancer cells. Trifunctional NKCEs were more potent in vitro than clinical therapeutic antibodies targeting the same tumor antigen. They had similar in vivo pharmacokinetics to full IgG antibodies and no off-target effects and efficiently controlled tumor growth in mouse models of solid and invasive tumors. Trifunctional NKCEs thus constitute a new generation of molecules for fighting cancer. VIDEO ABSTRACT.
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62
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Di Vito C, Mikulak J, Zaghi E, Pesce S, Marcenaro E, Mavilio D. NK cells to cure cancer. Semin Immunol 2019; 41:101272. [PMID: 31085114 DOI: 10.1016/j.smim.2019.03.004] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/11/2019] [Accepted: 03/14/2019] [Indexed: 12/12/2022]
Abstract
Natural Killer (NK) cells are innate lymphocytes able to mediate immune-surveillance and clearance of viral infected and tumor-transformed cells. Growing experimental and clinical evidence highlighted a dual role of NK cells either in the control of cancer development/progression or in promoting the onset of immune-suppressant tumor microenvironments. Indeed, several mechanisms of NK cell-mediated tumor escape have been described and these includes cancer-induced aberrant expression of activating and inhibitory receptors (i.e. NK cell immune checkpoints), impairments of NK cell migration to tumor sites and altered NK cell effector-functions. These phenomena highly contribute to tumor progression and metastasis formation. In this review, we discuss the latest insights on those NK cell receptors and related molecules that are currently being implemented in clinics either as possible prognostic factors or therapeutic targets to unleash NK cell anti-tumor effector-functions in vivo. Moreover, we address here the major recent advances in regard to the genetic modification and ex vivo expansion of anti-tumor specific NK cells used in innovative adoptive cellular transfer approaches.
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Affiliation(s)
- Clara Di Vito
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Joanna Mikulak
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy; Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Italy
| | - Elisa Zaghi
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Silvia Pesce
- Department of Experimental Medicine (DIMES), University of Genoa, Genoa, Italy
| | - Emanuela Marcenaro
- Department of Experimental Medicine (DIMES), University of Genoa, Genoa, Italy; Centre of Excellence for Biomedical Research (CEBR), University of Genoa, Genoa, Italy.
| | - Domenico Mavilio
- Unit of Clinical and Experimental Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy; Department of Medical Biotechnologies and Translational Medicine (BioMeTra), University of Milan, Italy.
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63
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Barrow AD, Martin CJ, Colonna M. The Natural Cytotoxicity Receptors in Health and Disease. Front Immunol 2019; 10:909. [PMID: 31134055 PMCID: PMC6514059 DOI: 10.3389/fimmu.2019.00909] [Citation(s) in RCA: 222] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 04/09/2019] [Indexed: 12/31/2022] Open
Abstract
The Natural Cytotoxicity Receptors (NCRs), NKp46, NKp44, and NKp30, were some of the first human activating Natural Killer (NK) cell receptors involved in the non-MHC-restricted recognition of tumor cells to be cloned over 20 years ago. Since this time many host- and pathogen-encoded ligands have been proposed to bind the NCRs and regulate the cytotoxic and cytokine-secreting functions of tissue NK cells. This diverse set of NCR ligands can manifest on the surface of tumor or virus-infected cells or can be secreted extracellularly, suggesting a remarkable NCR polyfunctionality that regulates the activity of NK cells in different tissue compartments during steady state or inflammation. Moreover, the NCRs can also be expressed by other innate and adaptive immune cell subsets under certain tissue conditions potentially conferring NK recognition programs to these cells. Here we review NCR biology in health and disease with particular reference to how this important class of receptors regulates the functions of tissue NK cells as well as confer NK cell recognition patterns to other innate and adaptive lymphocyte subsets. Finally, we highlight how NCR biology is being harnessed for novel therapeutic interventions particularly for enhanced tumor surveillance.
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Affiliation(s)
- Alexander David Barrow
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Claudia Jane Martin
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, United States
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64
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Sivori S, Vacca P, Del Zotto G, Munari E, Mingari MC, Moretta L. Human NK cells: surface receptors, inhibitory checkpoints, and translational applications. Cell Mol Immunol 2019; 16:430-441. [PMID: 30778167 PMCID: PMC6474200 DOI: 10.1038/s41423-019-0206-4] [Citation(s) in RCA: 306] [Impact Index Per Article: 61.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 01/22/2019] [Indexed: 12/29/2022] Open
Abstract
NK cells play important roles in innate defenses against viruses and in the control of tumor growth and metastasis. The regulation/induction of NK cell function is mediated by an array of activating or inhibitory surface receptors. In humans, major activating receptors involved in target cell killing are the natural cytotoxicity receptors (NCRs) and NKG2D. Activating receptors recognize ligands that are overexpressed or expressed de novo upon cell stress, viral infection, or tumor transformation. The HLA-class I-specific inhibitory receptors, including KIRs recognizing HLA-class I allotypic determinants and CD94/NKG2A recognizing the class-Ib HLA-E, constitute a fail-safe mechanism to avoid unwanted NK-mediated damage to healthy cells. Other receptors such as PD-1, primarily expressed by activated T lymphocytes, are important inhibitory checkpoints of immune responses that ensure T-cell tolerance. PD-1 also may be expressed by NK cells in cancer patients. Since PD-1 ligand (PD-L1) may be expressed by different tumors, PD-1/PD-L1 interactions inactivate both T and NK cells. Thus, the reliable evaluation of PD-L1 expression in tumors has become a major issue to select patients who may benefit from therapy with mAbs disrupting PD-1/PD-L1 interactions. Recently, NKG2A was revealed to be an important checkpoint controlling both NK and T-cell activation. Since most tumors express HLA-E, mAbs targeting NKG2A has been used alone or in combination with other therapeutic mAbs targeting PD-1 or tumor antigens (e.g., EGFR), with encouraging results. The translational value of NK cells and their receptors is evidenced by the extraordinary therapeutic success of haploidentical HSCT to cure otherwise fatal high-risk leukemias.
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Affiliation(s)
- Simona Sivori
- Department of Experimental Medicine (DIMES) and Centre of Excellence for Biomedical Research (CEBR), University of Genoa, Genoa, Italy
| | - Paola Vacca
- Department of Immunology, IRCCS Bambino Gesù Children's Hospital, Rome, Italy
| | - Genny Del Zotto
- Department of Research and Diagnostics, Istituto G. Gaslini, Genoa, Italy
| | - Enrico Munari
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
- Department of Pathology, Sacro Cuore Don Calabria, Negrar, VR, Italy
| | - Maria Cristina Mingari
- Department of Experimental Medicine (DIMES) and Centre of Excellence for Biomedical Research (CEBR), University of Genoa, Genoa, Italy
- UOC Immunologia, IRCCS Ospedale Policlinico San Martino Genova, Genoa, Italy
| | - Lorenzo Moretta
- Department of Immunology, IRCCS Bambino Gesù Children's Hospital, Rome, Italy.
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65
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Pallmer K, Barnstorf I, Baumann NS, Borsa M, Jonjic S, Oxenius A. NK cells negatively regulate CD8 T cells via natural cytotoxicity receptor (NCR) 1 during LCMV infection. PLoS Pathog 2019; 15:e1007725. [PMID: 30995287 PMCID: PMC6469806 DOI: 10.1371/journal.ppat.1007725] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 03/21/2019] [Indexed: 11/23/2022] Open
Abstract
Besides their function in recognizing cancerous and virally infected cells, natural killer (NK) cells have the potential to shape adaptive immune responses. However, the mechanisms employed by NK cells to negatively regulate virus-specific CD8 T cell responses remain to be fully defined. Using activating receptor natural cytotoxicity receptor (NCR) 1 deficient (NCR1gfp/gfp) mice, we found increased numbers of virus-specific CD8 T cells, leading to enhanced virus control during acute LCMV infection. Furthermore, virus-specific CD8 T cells were more activated in the absence of NCR1, resulting in exacerbated immunopathology, documented by weight loss, and superior virus control early during chronic LCMV infection. Transfer experiments of virus-specific CD8 T cells into NCR1 deficient hosts revealed a direct cross talk between NK and CD8 T cells. Studies on the splenic microarchitecture revealed pronounced disorganization of T cells in infected NCR1gfp/gfp mice, resulting in enhanced immunopathology and disruption of the T cell niche upon chronic LCMV infection. Our data show a novel pathway employed by NK cells to regulate antiviral CD8 T cell responses, namely direct recognition and elimination of activated CD8 T cells via NCR1 early during infection to protect the host from an overshooting T cell response. LCMV, which is part of the Arenaviridae family, is a well-established mouse model for acute and chronic virus infections, and it has allowed the identification of many immunological principles that were subsequently confirmed in human infections, such as CTL escape or CD8 T cell exhaustion. NK cells belong to the first line defense, being activated early following infection or exposure to malignant cells, and mediate their antiviral or anti-tumoral effect by direct cytotoxicity and inflammatory cytokine secretion. While NK cells are dispensable for control of LCMV, NK cells have the potential to shape adaptive immunity by regulating T cell responses. The absence of NK cells leads to increased T cell immunity and thereby, to faster eradication of the virus. However, the detailed mechanisms of how NK cells control antiviral T cell responses is still poorly defined. Here, we identified the activating NK cell receptor NCR1 to be involved in the regulation of CD8 T cell responses during acute and chronic LCMV infection. The absence of NCR1 led to a more robust CD4 and CD8 T cell response and to superior viral control in acute and chronic LCMV infections. However, the increased CD8 T cell responses led to severe immunopathology in the setting of chronic infection. Hence, NK cells curtail CD8 T cell responses to protect the host from immunopathological damage in an NCR1 dependent manner.
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Affiliation(s)
| | | | | | - Mariana Borsa
- Institute of Microbiology, ETH Zürich, Zürich, Switzerland
| | - Stipan Jonjic
- Department of Histology and Embryology, Faculty of Medicine, Rijeka, Croatia
| | - Annette Oxenius
- Institute of Microbiology, ETH Zürich, Zürich, Switzerland
- * E-mail:
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66
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Parodi M, Favoreel H, Candiano G, Gaggero S, Sivori S, Mingari MC, Moretta L, Vitale M, Cantoni C. NKp44-NKp44 Ligand Interactions in the Regulation of Natural Killer Cells and Other Innate Lymphoid Cells in Humans. Front Immunol 2019; 10:719. [PMID: 31024551 PMCID: PMC6465645 DOI: 10.3389/fimmu.2019.00719] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 03/18/2019] [Indexed: 12/13/2022] Open
Abstract
Natural Killer (NK) cells are potent cytotoxic cells belonging to the family of Innate Lymphoid Cells (ILCs). Their most characterized effector functions are directed to the control of aberrant cells in the body, including both transformed and virus-infected cells. NK cell-mediated recognition of abnormal cells primarily occurs through receptor-ligand interactions, involving an array of inhibitory and activating NK receptors and different types of ligands expressed on target cells. While most of the receptors have become known over many years, their respective ligands were only defined later and their impressive complexity has only recently become evident. NKp44, a member of Natural Cytotoxicity Receptors (NCRs), is an activating receptor playing a crucial role in most functions exerted by activated NK cells and also by other NKp44+ immune cells. The large and heterogeneous panel of NKp44 ligands (NKp44L) now includes surface expressed glycoproteins and proteoglycans, nuclear proteins that can be exposed outside the cell, and molecules that can be either released in the extracellular space or carried in extracellular vesicles. Recent findings have extended our knowledge on the nature of NKp44L to soluble plasma glycoproteins, such as secreted growth factors or extracellular matrix (ECM)-derived glycoproteins. NKp44L are induced upon tumor transformation or viral infection but may also be expressed in normal cells and tissues. In addition, NKp44-NKp44L interactions are involved in the crosstalk between NK cells and different innate and adaptive immune cell types. NKp44 expression in different ILCs located in tissues further extends the potential role of NKp44-NKp44L interactions.
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Affiliation(s)
- Monica Parodi
- Immunology Operative Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Herman Favoreel
- Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Giovanni Candiano
- Laboratory of Molecular Nephrology, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Silvia Gaggero
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Simona Sivori
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Center of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
| | - Maria Cristina Mingari
- Immunology Operative Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy.,Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Center of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
| | - Lorenzo Moretta
- Department of Immunology, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Massimo Vitale
- Immunology Operative Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Claudia Cantoni
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Center of Excellence for Biomedical Research, University of Genoa, Genoa, Italy.,Laboratory of Clinical and Experimental Immunology, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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67
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Biassoni R, Malnati MS. Human Natural Killer Receptors, Co-Receptors, and Their Ligands. ACTA ACUST UNITED AC 2019; 121:e47. [PMID: 30040219 DOI: 10.1002/cpim.47] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In the last 20 years, the study of human natural killer (NK) cells has moved from the first molecular characterizations of very few receptor molecules to the identification of a plethora of receptors displaying surprisingly divergent functions. We have contributed to the description of inhibitory receptors and their signaling pathways, important in fine regulation in many cell types, but unknown until their discovery in the NK cells. Inhibitory function is central to regulating NK-mediated cytolysis, with different molecular structures evolving during speciation to assure its persistence. More recently, it has become possible to characterize the NK triggering receptors mediating natural cytotoxicity, unveiling the existence of a network of cellular interactions between effectors of both natural and adaptive immunity. This unit reviews the contemporary history of molecular studies of receptors and ligands involved in NK cell function, characterizing the ligands of the triggering receptor and the mechanisms for finely regulating their expression in pathogen-infected or tumor cells. © 2018 by John Wiley & Sons, Inc.
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Affiliation(s)
- Roberto Biassoni
- IRCCS Istituto Giannina Gaslini, Laboratory of Molecular Medicine, Genova, Italy
| | - Mauro S Malnati
- IRCCS Ospedale San Raffaele, Unit of Human Virology, Division of Immunology, Transplantation and Infectious Diseases, Milan, Italy
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68
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Colonna M. Innate Lymphoid Cells: Diversity, Plasticity, and Unique Functions in Immunity. Immunity 2019; 48:1104-1117. [PMID: 29924976 DOI: 10.1016/j.immuni.2018.05.013] [Citation(s) in RCA: 253] [Impact Index Per Article: 50.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 05/13/2018] [Accepted: 05/30/2018] [Indexed: 01/12/2023]
Abstract
Type 1, 2, and 3 innate lymphoid cells (ILCs) have emerged as tissue-resident innate correlates of T helper 1 (Th1), Th2, and Th17 cells. Recent studies suggest that ILCs are more diverse than originally proposed; this might reflect truly distinct lineages or adaptation of ILCs to disparate tissue microenvironments, known as plasticity. Given that ILCs strikingly resemble T cells, are they redundant? While the regulation, timing, and magnitude of ILC and primary T cell responses differ, tissue-resident memory T cells may render ILCs redundant during secondary responses. The unique impact of ILCs in immunity is probably embodied in the extensive array of surface and intracellular receptors that endow these cells with the ability to distinguish between normal and pathogenic components, interact with other cells, and calibrate their cytokine secretion accordingly. Here I review recent advances in elucidating the diversity of ILCs and discuss their unique and redundant functions.
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Affiliation(s)
- Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO, USA.
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69
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Schwartz JC, Sanderson ND, Bickhart DM, Smith TPL, Hammond JA. The Structure, Evolution, and Gene Expression Within the Caprine Leukocyte Receptor Complex. Front Immunol 2019; 10:2302. [PMID: 31616444 PMCID: PMC6775213 DOI: 10.3389/fimmu.2019.02302] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 09/11/2019] [Indexed: 12/19/2022] Open
Abstract
The leukocyte receptor complex (LRC) encodes a large number of immunoglobulin (Ig)-like receptors involved in the immune response, particularly in modulating natural killer (NK) cell function. The killer cell Ig-like receptors (KIR), the leukocyte Ig-like receptors (LILR), and a recently described novel Ig-like receptor family are highly variable between species, which is consistent with rapid evolution driven by selection pressure from pathogens. Among the species studied to date, only simians (such as humans) and bovids (such as cattle and goats) have an expanded complement of KIR genes and represent an interesting model to study KIR evolution. Using recently improved genome assemblies and an assembly of bacterial artificial chromosomes, we describe the structure of the LRC, and the KIR region in particular, in goats and compare this to sheep as the assemblies allow. These species diverged from a common ancestor ~10 million years ago and from cattle ~25 million years ago. We identified conserved KIR genes common to both goats and sheep and confirm a partial sheep haplotype shared between the Rambouillet and Texel breeds. Goats and sheep have independently expanded two novel KIR subgroups, and unlike cattle or any other mammal, they do not appear to possess a functional 3DL-lineage KIR gene. Investigation of LRC gene expression using available transcriptomic data for various sheep and goat tissues largely confirmed putative gene annotation and revealed that a relatively conserved caprinae-specific KIR subgroup is expressed in macrophages. The LILR and novel Ig-like receptors were also highly expressed across a diverse range of tissues. This further step toward our understanding of the LRC receptor repertoire will help inform future studies investigating immune response variation in these species.
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Affiliation(s)
| | - Nicholas D Sanderson
- The Pirbright Institute, Woking, United Kingdom.,Experimental Medicine Division, Nuffield Department of Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Derek M Bickhart
- Cell Wall Biology and Utilization Research, USDA-ARS, Madison, WI, United States
| | - Timothy P L Smith
- Meat Animal Research Center, USDA-ARS, Clay Center, NE, United States
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70
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Berhani O, Glasner A, Kahlon S, Duev-Cohen A, Yamin R, Horwitz E, Enk J, Moshel O, Varvak A, Porgador A, Jonjic S, Mandelboim O. Human anti-NKp46 antibody for studies of NKp46-dependent NK cell function and its applications for type 1 diabetes and cancer research. Eur J Immunol 2018; 49:228-241. [PMID: 30536875 DOI: 10.1002/eji.201847611] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 11/14/2018] [Accepted: 12/06/2018] [Indexed: 12/22/2022]
Abstract
Natural killer (NK) cells are innate lymphocytes that efficiently eliminate cancerous and infected cells. NKp46 is an important NK activating receptor shown to participate in recognition and activation of NK cells against pathogens, tumor cells, virally infected cells, and self-cells in autoimmune conditions, including type I and II diabetes. However, some of the NKp46 ligands are unknown and therefore investigating human NKp46 activity and its critical role in NK cell biology is problematic. We developed a unique anti-human NKp46 monocloncal antibody, denoted hNKp46.02 (02). The 02 mAb can induce receptor internalization and degradation. By binding to a unique epitope on a particular domain of NKp46, 02 lead NKp46 to lysosomal degradation. This downregulation therefore enables the investigation of all NKp46 activities. Indeed, using the 02 mAb we determined NK cell targets which are critically dependent on NKp46 activity, including certain tumor cells lines and human pancreatic beta cells. Most importantly, we showed that a toxin-conjugated 02 inhibits the growth of NKp46-positive cells; thus, exemplifying the potential of 02 in becoming an immunotherapeutic drug to treat NKp46-dependent diseases, such as, type I diabetes and NK and T cell related malignancies.
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Affiliation(s)
- Orit Berhani
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Ariella Glasner
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Shira Kahlon
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Alexandra Duev-Cohen
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Rachel Yamin
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Elad Horwitz
- Department of Developmental Biology and Cancer Research, Institute for Medical Research-Israel-Canada, The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Jonatan Enk
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
| | - Ofra Moshel
- Core Research Facility, Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University-Hadassah Medical School, Jerusalem, Israel
| | - Alexandar Varvak
- Chromatography Unit, Scientific Equipment Center, The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan, Israel
| | - Angel Porgador
- The Shraga Segal Department of Microbiology and Immunology, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Stipan Jonjic
- Department of Histology and Embryology and Center for Proteomics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
| | - Ofer Mandelboim
- The Concern Foundation Laboratories at the Lautenberg Center for Immunology and Cancer Research, The BioMedical Research Institute Israel Canada of the Faculty of Medicine (IMRIC), The Hebrew University Hadassah Medical School, Jerusalem, Israel
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71
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Barrow AD, Colonna M. Innate lymphoid cell sensing of tissue vitality. Curr Opin Immunol 2018; 56:82-93. [PMID: 30529190 DOI: 10.1016/j.coi.2018.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 11/05/2018] [Accepted: 11/15/2018] [Indexed: 01/03/2023]
Abstract
Innate lymphoid cells (ILCs) constitute a heterogeneous population of cytokine-secreting cells that colonize different tissues and are heavily reliant on cytokines and other secreted factors for their development, maintenance and effector functions. Most ILCs are tissue resident and differentiate in non-lymphoid peripheral tissues. As tissue-resident sentinels, ILCs must rapidly identify pathogens or malignancy in an effort to return the tissue to homeostasis. Here we review the mechanisms that ILCs employ to sense cytokines and other potent immunoregulatory factors that promote their development in different tissues as well as the ability to distinguish pathogenic versus healthy tissue microenvironments and highlight the importance of these pathways for human disease.
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Affiliation(s)
- Alexander David Barrow
- Department of Microbiology and Immunology, The University of Melbourne and The Peter Doherty Institute for Infection and Immunity, Melbourne, VIC 3000, Australia.
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, United States.
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72
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2B4 dysfunction in XLP1 NK cells: More than inability to control EBV infection. Clin Immunol 2018; 204:31-36. [PMID: 30391652 DOI: 10.1016/j.clim.2018.10.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 10/31/2018] [Accepted: 10/31/2018] [Indexed: 11/23/2022]
Abstract
X-linked lymphoproliferative disease 1 (XLP1) is a monogenic disorder caused by mutations in SH2D1A, resulting in the absence/dysfunction of the signaling lymphocyte activation molecule (SLAM)-associated protein (SAP). Consequently, SLAM receptors as 2B4 (CD244) and NTB-A (SLAMF6), upon ligand engagement, exert inhibitory instead of activating function. This causes an immune dysfunction that is worsened by the selective inability of NK and T cells to kill EBV-infected B cells with dramatic clinical sequelae (e.g. fulminant mononucleosis, hyperinflammation, lymphoma). Here we outline recent findings on the interplay between inhibitory 2B4 and the various activating receptors in NK cells. 2B4 engagement selectively blocks ITAM-dependent activating receptors as NCR and CD16, while it does not affect NKG2D and DNAM-1. Furthermore, inhibitory 2B4 participates to NK cell education, as highlighted by the existence in XLP1 patients of a large subset of fully functional NK cells that lack self-HLA specific inhibitory receptors and exert autoreactivity against mature dendritic cells.
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73
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Almeida FF, Tognarelli S, Marçais A, Kueh AJ, Friede ME, Liao Y, Willis SN, Luong K, Faure F, Mercier FE, Galluso J, Firth M, Narni-Mancinelli E, Rais B, Scadden DT, Spallotta F, Weil S, Giannattasio A, Kalensee F, Zöller T, Huntington ND, Schleicher U, Chiocchetti AG, Ugolini S, Herold MJ, Shi W, Koch J, Steinle A, Vivier E, Walzer T, Belz GT, Ullrich E. A point mutation in the Ncr1 signal peptide impairs the development of innate lymphoid cell subsets. Oncoimmunology 2018; 7:e1475875. [PMID: 30288342 PMCID: PMC6169588 DOI: 10.1080/2162402x.2018.1475875] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/01/2018] [Accepted: 05/07/2018] [Indexed: 01/06/2023] Open
Abstract
NKp46 (CD335) is a surface receptor shared by both human and mouse natural killer (NK) cells and innate lymphoid cells (ILCs) that transduces activating signals necessary to eliminate virus-infected cells and tumors. Here, we describe a spontaneous point mutation of cysteine to arginine (C14R) in the signal peptide of the NKp46 protein in congenic Ly5.1 mice and the newly generated NCRB6C14R strain. Ly5.1C14R NK cells expressed similar levels of Ncr1 mRNA as C57BL/6, but showed impaired surface NKp46 and reduced ability to control melanoma tumors in vivo. Expression of the mutant NKp46C14R in 293T cells showed that NKp46 protein trafficking to the cell surface was compromised. Although Ly5.1C14R mice had normal number of NK cells, they showed an increased number of early maturation stage NK cells. CD49a+ILC1s were also increased but these cells lacked the expression of TRAIL. ILC3s that expressed NKp46 were not detectable and were not apparent when examined by T-bet expression. Thus, the C14R mutation reveals that NKp46 is important for NK cell and ILC differentiation, maturation and function. Significance Innate lymphoid cells (ILCs) play important roles in immune protection. Various subsets of ILCs express the activating receptor NKp46 which is capable of recognizing pathogen derived and tumor ligands and is necessary for immune protection. Here, we describe a spontaneous point mutation in the signal peptide of the NKp46 protein in congenic Ly5.1 mice which are widely used for tracking cells in vivo. This Ncr1 C14R mutation impairs NKp46 surface expression resulting in destabilization of Ncr1 and accumulation of NKp46 in the endoplasmic reticulum. Loss of stable NKp46 expression impaired the maturation of NKp46+ ILCs and altered the expression of TRAIL and T-bet in ILC1 and ILC3, respectively.
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Affiliation(s)
- Francisca F Almeida
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Sara Tognarelli
- Division of Stem Cell Transplantation and Immunology, Department for Children and Adolescents Medicine, Johann Wolfgang Goethe University Hospital, Frankfurt am Main, Germany.,LOEWE Center for Cell and Gene Therapy, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Antoine Marçais
- CIRI, Centre International de Recherche en Infectiologie - International Center for Infectiology Research, Inserm, U1111, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon 1, Lyon, France
| | - Andrew J Kueh
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Miriam E Friede
- Institute for Molecular Medicine, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Yang Liao
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Simon N Willis
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Kylie Luong
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Fabrice Faure
- CIRI, Centre International de Recherche en Infectiologie - International Center for Infectiology Research, Inserm, U1111, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon 1, Lyon, France
| | | | - Justine Galluso
- CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Aix Marseille University, Marseille, France
| | - Matthew Firth
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Emilie Narni-Mancinelli
- CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Aix Marseille University, Marseille, France
| | - Bushra Rais
- Division of Stem Cell Transplantation and Immunology, Department for Children and Adolescents Medicine, Johann Wolfgang Goethe University Hospital, Frankfurt am Main, Germany.,LOEWE Center for Cell and Gene Therapy, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | | | - Francesco Spallotta
- Division of Cardiovascular Epigenetics, Department of Cardiology, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Sandra Weil
- Georg Speyer Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,Institute of Medical Microbiology and Hygiene, University of Mainz Medical Center, Mainz, Germany
| | - Ariane Giannattasio
- Georg Speyer Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,Institute of Medical Microbiology and Hygiene, University of Mainz Medical Center, Mainz, Germany
| | - Franziska Kalensee
- Division of Stem Cell Transplantation and Immunology, Department for Children and Adolescents Medicine, Johann Wolfgang Goethe University Hospital, Frankfurt am Main, Germany.,LOEWE Center for Cell and Gene Therapy, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Tobias Zöller
- Institute for Molecular Medicine, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Nicholas D Huntington
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Ulrike Schleicher
- Mikrobiologisches Institut-Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität Erlangen-Nürnberg und Universitätsklinikum Erlangen, Erlangen, Germany
| | - Andreas G Chiocchetti
- Molecular Genetics Laboratory, Department for Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Sophie Ugolini
- CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Aix Marseille University, Marseille, France
| | - Marco J Herold
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Wei Shi
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Computing and Information Systems, University of Melbourne, Melbourne, Victoria, Australia
| | - Joachim Koch
- Georg Speyer Haus, Institute for Tumor Biology and Experimental Therapy, Frankfurt am Main, Germany.,Institute of Medical Microbiology and Hygiene, University of Mainz Medical Center, Mainz, Germany
| | - Alexander Steinle
- Institute for Molecular Medicine, Johann Wolfgang Goethe University, Frankfurt am Main, Germany
| | - Eric Vivier
- CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Aix Marseille University, Marseille, France.,Innate Pharma, Marseille, France.,Service d'Immunologie, Hôpital de la Timone, Marseille Immunopole, Assistance Publique - Hôpitaux de Marseille, Marseille, France
| | - Thierry Walzer
- CIRI, Centre International de Recherche en Infectiologie - International Center for Infectiology Research, Inserm, U1111, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon 1, Lyon, France
| | - Gabrielle T Belz
- Division of Molecular Immunology, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia
| | - Evelyn Ullrich
- LOEWE Center for Cell and Gene Therapy, Johann Wolfgang Goethe University, Frankfurt am Main, Germany.,Division of Stem Cell Transplantation and Immunology, Department for Children and Adolescents Medicine, Johann Wolfgang Goethe University Hospital, Frankfurt am Main, Germany
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74
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Gaggero S, Bruschi M, Petretto A, Parodi M, Del Zotto G, Lavarello C, Prato C, Santucci L, Barbuto A, Bottino C, Candiano G, Moretta A, Vitale M, Moretta L, Cantoni C. Nidogen-1 is a novel extracellular ligand for the NKp44 activating receptor. Oncoimmunology 2018; 7:e1470730. [PMID: 30228939 PMCID: PMC6140582 DOI: 10.1080/2162402x.2018.1470730] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 04/09/2018] [Accepted: 04/25/2018] [Indexed: 11/25/2022] Open
Abstract
The release of soluble ligands of activating Natural Killer (NK) cell receptors may represent a regulatory mechanism of NK cell function both in physiologic and in pathologic conditions. Here, we identified the extracellular matrix protein Nidogen-1 (NID1) as a ligand of NKp44, an important activating receptor expressed by activated NK cells. When released as soluble molecule, NID1 regulates NK cell function by modulating NKp44-induced IFN-γ production or cytotoxicity. In particular, it also modulates IFN-γ production induced by Platelet-Derived Growth Factor (PDGF)-DD following NKp44 engagement. We also show that NID1 may be present at the cell surface. In this form or when bound to a solid support (bNID1), NID1 fails to induce NK cell cytotoxicity or cytokine release. However, analysis by mass spectrometry revealed that exposure to bNID1 can induce in human NK cells relevant changes in the proteomic profiles suggesting an effect on different biological processes.
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Affiliation(s)
- Silvia Gaggero
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Maurizio Bruschi
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Andrea Petretto
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Monica Parodi
- UOC Immunologia, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Genny Del Zotto
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Chiara Lavarello
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Carola Prato
- Department of Experimental Medicine, University of Genoa, Genoa, Italy
| | - Laura Santucci
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Alessandra Barbuto
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Cristina Bottino
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Giovanni Candiano
- Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Alessandro Moretta
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Center of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
| | - Massimo Vitale
- UOC Immunologia, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Lorenzo Moretta
- Immunology area, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Claudia Cantoni
- Department of Experimental Medicine, University of Genoa, Genoa, Italy.,Dipartimento dei Laboratori di Ricerca, IRCCS Istituto Giannina Gaslini, Genoa, Italy.,Center of Excellence for Biomedical Research, University of Genoa, Genoa, Italy
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75
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Chen JY, Cortes C, Ferreira VP. Properdin: A multifaceted molecule involved in inflammation and diseases. Mol Immunol 2018; 102:58-72. [PMID: 29954621 DOI: 10.1016/j.molimm.2018.05.018] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/16/2018] [Accepted: 05/23/2018] [Indexed: 01/17/2023]
Abstract
Properdin, the widely known positive regulator of the alternative pathway (AP), has undergone significant investigation over the last decade to define its function in inflammation and disease, including its role in arthritis, asthma, and kidney and cardiovascular diseases. Properdin is a glycoprotein found in plasma that is mainly produced by leukocytes and can positively regulate AP activity by stabilizing C3 and C5 convertases and initiating the AP. Promotion of complement activity by properdin results in changes in the cellular microenvironment that contribute to innate and adaptive immune responses, including pro-inflammatory cytokine production, immune cell infiltration, antigen presenting cell maturation, and tissue damage. The use of properdin-deficient mouse models and neutralizing antibodies has contributed to the understanding of the mechanisms by which properdin contributes to promoting or preventing disease pathology. This review mainly focusses on the multifaceted roles of properdin in inflammation and diseases, and how understanding these roles is contributing to the development of new disease therapies.
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Affiliation(s)
- Jin Y Chen
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States.
| | - Claudio Cortes
- Department of Biomedical Sciences, University of Oakland University School of Medicine, Rochester, MI, United States.
| | - Viviana P Ferreira
- Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States.
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76
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Guia S, Fenis A, Vivier E, Narni-Mancinelli E. Activating and inhibitory receptors expressed on innate lymphoid cells. Semin Immunopathol 2018; 40:331-341. [DOI: 10.1007/s00281-018-0685-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 04/04/2018] [Indexed: 12/16/2022]
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77
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Locatelli F, Pende D, Falco M, Della Chiesa M, Moretta A, Moretta L. NK Cells Mediate a Crucial Graft-versus-Leukemia Effect in Haploidentical-HSCT to Cure High-Risk Acute Leukemia. Trends Immunol 2018; 39:577-590. [PMID: 29793748 DOI: 10.1016/j.it.2018.04.009] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 04/20/2018] [Accepted: 04/23/2018] [Indexed: 02/06/2023]
Abstract
Natural killer (NK) cells are involved in innate defenses against viruses and tumors. Their function is finely tuned by activating and inhibitory receptors. Among the latter, killer immunoglobulin-like receptors and CD94/NKG2A recognize human leukocyte antigen (HLA) Class I molecules, allowing NK cells to discriminate between normal and aberrant cells, as well as to recognize allogeneic cells, because of their ability to sense HLA polymorphisms. This latter phenomenon plays a key role in HLA-haploidentical hematopoietic stem cell transplantation (haplo-HSCT) for high-risk acute leukemia patients transplanted from an NK-alloreactive donor. Different haplo-HSCT settings have been developed, either T depleted or T replete - the latter requiring graft-versus-host disease prophylaxis. A novel graft manipulation, based on depletion of αβ T cells and B cells, allows infusion of fully mature, including alloreactive, NK cells. The excellent patient clinical outcome underscores the importance of these innate cells in cancer therapy.
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Affiliation(s)
- Franco Locatelli
- IRCCS Ospedale Pediatrico Bambino Gesù, Dipartimento di Oncoematologia e Terapia Cellulare e Genica, Roma, Italy; Università degli Studi di Pavia, Dipartimento di Scienze Pediatriche, Pavia, Italy
| | - Daniela Pende
- IRCCS Ospedale Policlinico San Martino, Genova, Italy
| | - Michela Falco
- IRCCS Istituto Giannina Gaslini, Dipartimento dei Laboratori di Ricerca, Genova, Italy
| | - Mariella Della Chiesa
- Università degli Studi di Genova, Dipartimento di Medicina Sperimentale, Genova, Italy; Centro di Eccellenza per la Ricerca Biomedica, Università degli Studi di Genova, Genova, Italy
| | - Alessandro Moretta
- Università degli Studi di Genova, Dipartimento di Medicina Sperimentale, Genova, Italy; Centro di Eccellenza per la Ricerca Biomedica, Università degli Studi di Genova, Genova, Italy
| | - Lorenzo Moretta
- IRCCS Ospedale Pediatrico Bambino Gesù, Area di Ricerca Immunologica, Roma, Italy.
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78
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Khanna K. Alterations in IgA and complement system of rats exposed to intense hypobaric hypoxia (7620m) at different time duration. ACTA ACUST UNITED AC 2018. [DOI: 10.15406/moji.2018.06.00195] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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79
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Al-Mozaini MA, Tsolaki AG, Abdul-Aziz M, Abozaid SM, Al-Ahdal MN, Pathan AA, Murugaiah V, Makarov EM, Kaur A, Sim RB, Kishore U, Kouser L. Human Properdin Modulates Macrophage: Mycobacterium bovis BCG Interaction via Thrombospondin Repeats 4 and 5. Front Immunol 2018; 9:533. [PMID: 29867915 PMCID: PMC5951972 DOI: 10.3389/fimmu.2018.00533] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 03/01/2018] [Indexed: 02/01/2023] Open
Abstract
Mycobacterium tuberculosis can proficiently enter macrophages and diminish complement activation on its cell surface. Within macrophages, the mycobacterium can suppress macrophage apoptosis and survive within the intracellular environment. Previously, we have shown that complement regulatory proteins such as factor H may interfere with pathogen–macrophage interactions during tuberculosis infection. In this study, we show that Mycobacterium bovis BCG binds properdin, an upregulator of the complement alternative pathway. TSR4+5, a recombinant form of thrombospondin repeats 4 and 5 of human properdin expressed in tandem, which is an inhibitor of the alternative pathway, was also able to bind to M. bovis BCG. Properdin and TSR4+5 were found to inhibit uptake of M. bovis BCG by THP-1 macrophage cells in a dose-dependent manner. Quantitative real-time PCR revealed elevated pro-inflammatory responses (TNF-α, IL-1β, and IL-6) in the presence of properdin or TSR4+5, which gradually decreased over 6 h. Correspondingly, anti-inflammatory responses (IL-10 and TGF-β) showed suppressed levels of expression in the presence of properdin, which gradually increased over 6 h. Multiplex cytokine array analysis also revealed that properdin and TSR4+5 significantly enhanced the pro-inflammatory response (TNF-α, IL-1β, and IL-1α) at 24 h, which declined at 48 h, whereas the anti-inflammatory response (IL-10) was suppressed. Our results suggest that properdin may interfere with mycobacterial entry into macrophages via TSR4 and TSR5, particularly during the initial stages of infection, thus affecting the extracellular survival of the pathogen. This study offers novel insights into the non-complement related functions of properdin during host–pathogen interactions in tuberculosis.
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Affiliation(s)
- Maha Ahmed Al-Mozaini
- College of Health and Life Sciences, Brunel University London, London, United Kingdom.,Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Anthony G Tsolaki
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Munirah Abdul-Aziz
- College of Health and Life Sciences, Brunel University London, London, United Kingdom.,Department of Biochemistry, Oxford University, Oxford, United Kingdom
| | - Suhair M Abozaid
- College of Health and Life Sciences, Brunel University London, London, United Kingdom.,Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Mohammed N Al-Ahdal
- Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Ansar A Pathan
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Valarmathy Murugaiah
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Evgeny M Makarov
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Anuvinder Kaur
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Robert B Sim
- Department of Biochemistry, Oxford University, Oxford, United Kingdom
| | - Uday Kishore
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
| | - Lubna Kouser
- College of Health and Life Sciences, Brunel University London, London, United Kingdom
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80
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Marin AV, Cárdenas PP, Jiménez-Reinoso A, Muñoz-Ruiz M, Regueiro JR. Lymphocyte integration of complement cues. Semin Cell Dev Biol 2018; 85:132-142. [PMID: 29438807 DOI: 10.1016/j.semcdb.2018.02.005] [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: 12/14/2017] [Accepted: 02/08/2018] [Indexed: 12/17/2022]
Abstract
We address current data, views and puzzles on the emerging topic of regulation of lymphocytes by complement proteins or fragments. Such regulation is believed to take place through complement receptors (CR) and membrane complement regulators (CReg) involved in cell function or protection, respectively, including intracellular signalling. Original observations in B cells clearly support that complement cues through CR improve their performance. Other lymphocytes likely integrate complement-derived signals, as most lymphoid cells constitutively express or regulate CR and CReg upon activation. CR-induced signals, particularly by anaphylatoxins, clearly regulate lymphoid cell function. In contrast, data obtained by CReg crosslinking using antibodies are not always confirmed in human congenital deficiencies or knock-out mice, casting doubts on their physiological relevance. Unsurprisingly, human and mouse complement systems are not completely homologous, adding further complexity to our still fragmentary understanding of complement-lymphocyte interactions.
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Affiliation(s)
- Ana V Marin
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine and 12 de Octubre Health Research Institute (imas12), Madrid, Spain
| | - Paula P Cárdenas
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine and 12 de Octubre Health Research Institute (imas12), Madrid, Spain
| | - Anaïs Jiménez-Reinoso
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine and 12 de Octubre Health Research Institute (imas12), Madrid, Spain
| | - Miguel Muñoz-Ruiz
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine and 12 de Octubre Health Research Institute (imas12), Madrid, Spain
| | - Jose R Regueiro
- Department of Immunology, Ophthalmology and ENT, Complutense University School of Medicine and 12 de Octubre Health Research Institute (imas12), Madrid, Spain.
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81
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Kouser L, Paudyal B, Kaur A, Stenbeck G, Jones LA, Abozaid SM, Stover CM, Flahaut E, Sim RB, Kishore U. Human Properdin Opsonizes Nanoparticles and Triggers a Potent Pro-inflammatory Response by Macrophages without Involving Complement Activation. Front Immunol 2018; 9:131. [PMID: 29483907 PMCID: PMC5816341 DOI: 10.3389/fimmu.2018.00131] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 01/16/2018] [Indexed: 12/28/2022] Open
Abstract
Development of nanoparticles as tissue-specific drug delivery platforms can be considerably influenced by the complement system because of their inherent pro-inflammatory and tumorigenic consequences. The complement activation pathways, and its recognition subcomponents, can modulate clearance of the nanoparticles and subsequent inflammatory response and thus alter the intended translational applications. Here, we report, for the first time, that human properdin, an upregulator of the complement alternative pathway, can opsonize functionalized carbon nanotubes (CNTs) via its thrombospondin type I repeat (TSR) 4 and 5. Binding of properdin and TSR4+5 is likely to involve charge pattern/polarity recognition of the CNT surface since both carboxymethyl cellulose-coated carbon nanotubes (CMC-CNT) and oxidized (Ox-CNT) bound these proteins well. Properdin enhanced the uptake of CMC-CNTs by a macrophage cell line, THP-1, mounting a robust pro-inflammatory immune response, as revealed by qRT-PCR, multiplex cytokine array, and NF-κB nuclear translocation analyses. Properdin can be locally synthesized by immune cells in an inflammatory microenvironment, and thus, its interaction with nanoparticles is of considerable importance. In addition, recombinant TSR4+5 coated on the CMC-CNTs inhibited complement consumption by CMC-CNTs, suggesting that nanoparticle decoration with TSR4+5, can be potentially used as a complement inhibitor in a number of pathological contexts arising due to exaggerated complement activation.
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Affiliation(s)
- Lubna Kouser
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Basudev Paudyal
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
- Faculty of Science, Engineering and Computing, Kingston University, Kingston upon Thames, Surrey, United Kingdom
| | - Anuvinder Kaur
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Gudrun Stenbeck
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
| | - Lucy A. Jones
- Faculty of Science, Engineering and Computing, Kingston University, Kingston upon Thames, Surrey, United Kingdom
| | - Suhair M. Abozaid
- Department of Infection and Immunity, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Cordula M. Stover
- Department of Infection, Immunity and Inflammation, University of Leicester, Leicester, United Kingdom
| | - Emmanuel Flahaut
- Université de Toulouse, CNRS, INPT, UPS, UMR CNRS-UPS-INP N°5085, 3 Paul Sabatier, Bât. CIRIMAT, Toulouse, France
| | - Robert B. Sim
- Department of Biochemistry, University of Oxford, Oxford, United Kingdom
| | - Uday Kishore
- Biosciences, College of Health and Life Sciences, Brunel University London, Uxbridge, United Kingdom
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82
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Simoni Y, Newell EW. Dissecting human ILC heterogeneity: more than just three subsets. Immunology 2017; 153:297-303. [PMID: 29140572 DOI: 10.1111/imm.12862] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/09/2017] [Accepted: 10/22/2017] [Indexed: 12/19/2022] Open
Abstract
Innate lymphoid cells (ILCs) have been divided into three distinct groups based on functional capacities, cytokine profiles and transcription factor expression. Studies performed mainly in mice have demonstrated the importance of ILCs in chronic inflammation, infection, allergy and cancer. In this review, we discuss the heterogeneity of human ILC and focus primarily on the taxonomy of human ILC cell subsets and their phenotypical and functional diversity. We summarize recent findings concerning the diversity of ILCs between and within the major subsets [natural killer (NK), ILC1, intra-epithelial ILC1 (ieILC1), ILC2, ILC3, lymphoid tissues inducer (LTi) and ILC progenitor (ILCP)], as well as the abundance of each in human tissues. We also discuss the similarities observed between groups of cells in term of receptors expressed and cytokines produced, and how these relate to the pleiotropic properties of each subset.
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Affiliation(s)
- Yannick Simoni
- Agency for Science, Technology and Research (A*STAR), Singapore Immunology Network (SIgN), Singapore
| | - Evan W Newell
- Agency for Science, Technology and Research (A*STAR), Singapore Immunology Network (SIgN), Singapore
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83
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Cifaldi L, Locatelli F, Marasco E, Moretta L, Pistoia V. Boosting Natural Killer Cell-Based Immunotherapy with Anticancer Drugs: a Perspective. Trends Mol Med 2017; 23:1156-1175. [PMID: 29133133 DOI: 10.1016/j.molmed.2017.10.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 10/12/2017] [Accepted: 10/16/2017] [Indexed: 12/27/2022]
Abstract
Natural killer (NK) cells efficiently recognize and kill tumor cells through several mechanisms including the expression of ligands for NK cell-activating receptors on target cells. Different clinical trials indicate that NK cell-based immunotherapy represents a promising antitumor treatment. However, tumors develop immune-evasion strategies, including downregulation of ligands for NK cell-activating receptors, that can negatively affect antitumor activity of NK cells, which either reside endogenously, or are adoptively transferred. Thus, restoration of the expression of NK cell-activating ligands on tumor cells represents a strategic therapeutic goal. As discussed here, various anticancer drugs can fulfill this task via different mechanisms. We envision that the combination of selected chemotherapeutic agents with NK cell adoptive transfer may represent a novel strategy for cancer immunotherapy.
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Affiliation(s)
- Loredana Cifaldi
- Department of Pediatric Haematology/Oncology, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy.
| | - Franco Locatelli
- Department of Pediatric Haematology/Oncology, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy; Department of Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Emiliano Marasco
- Department of Rheumatology, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Lorenzo Moretta
- Immunology Research Area, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
| | - Vito Pistoia
- Immunology Research Area, Ospedale Pediatrico Bambino Gesù, IRCCS, Rome, Italy
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84
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Withers DR, Hepworth MR. Group 3 Innate Lymphoid Cells: Communications Hubs of the Intestinal Immune System. Front Immunol 2017; 8:1298. [PMID: 29085366 PMCID: PMC5649144 DOI: 10.3389/fimmu.2017.01298] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Accepted: 09/27/2017] [Indexed: 12/12/2022] Open
Abstract
The maintenance of mammalian health requires the generation of appropriate immune responses against a broad range of environmental and microbial challenges, which are continually encountered at barrier tissue sites including the skin, lung, and gastrointestinal tract. Dysregulated barrier immune responses result in inflammation, both locally and systemically in peripheral organs. Group 3 innate lymphoid cells (ILC3) are constitutively present at barrier sites and appear to be highly specialized in their ability to sense a range of environmental and host-derived signals. Under homeostatic conditions, ILC3 respond to local cues to maintain tissue homeostasis and restrict inflammatory responses. In contrast, perturbations in the tissue microenvironment resulting from disease, infection, or tissue damage can drive dysregulated pro-inflammatory ILC3 responses and contribute to immunopathology. The tone of the ILC3 response is dictated by a balance of “exogenous” signals, such as dietary metabolites and commensal microbes, and “endogenous” host-derived signals from stromal cells, immune cells, and the nervous system. ILC3 must therefore have the capacity to simultaneously integrate a wide array of complex and dynamic inputs in order to regulate barrier function and tissue health. In this review, we discuss the concept of ILC3 as a “communications hub” in the intestinal tract and associated lymphoid tissues and address the variety of signals, derived from multiple biological systems, which are interpreted by ILC3 to modulate the release of downstream effector molecules and regulate cell–cell crosstalk. Successful integration of environmental cues by ILC3 and downstream propagation to the broader immune system is required to maintain a tolerogenic and anti-inflammatory tone and reinforce barrier function, whereas dysregulation of ILC3 responses can contribute to the onset or progression of clinically relevant chronic inflammatory diseases.
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Affiliation(s)
- David R Withers
- College of Medical and Dental Sciences, Institute of Immunology and Immunotherapy (III), University of Birmingham, Birmingham, United Kingdom
| | - Matthew R Hepworth
- Manchester Collaborative Centre for Inflammation Research (MCCIR), Division of Infection, Immunity and Respiratory Medicine, Faculty of Biology, Medicine and Health, School of Biological Sciences, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
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85
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Barrow AD, Colonna M. Tailoring Natural Killer cell immunotherapy to the tumour microenvironment. Semin Immunol 2017; 31:30-36. [PMID: 28935344 DOI: 10.1016/j.smim.2017.09.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 09/08/2017] [Indexed: 12/30/2022]
Abstract
Natural killer (NK) cells are cytotoxic and cytokine-secreting cells that can mediate potent anti-tumour activity. Accumulating evidence indicates that NK cell functions are severely compromised within the confines of the tumour microenvironment thus impairing the efficacy and development of NK cell-based therapies. Here we review the various cellular and molecular pathways that tumours have supplanted to evade NK cell surveillance. We highlight novel strategies designed to alleviate or circumvent the immunosuppressive conditions of the tumour microenvironment in order to emancipate NK cell function and stifle the inexorable growth and metastasis of malignant cells.
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Affiliation(s)
- Alexander David Barrow
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA.
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86
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Zhuang X, Long EO. Complement factor P: promoting the antibacterial activity of natural killer cells. Cell Mol Immunol 2017; 14:797-799. [PMID: 28737740 DOI: 10.1038/cmi.2017.60] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 06/06/2017] [Indexed: 12/23/2022] Open
Affiliation(s)
- Xiaoxuan Zhuang
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, NIH, Rockville, MD, USA
| | - Eric O Long
- Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, NIH, Rockville, MD, USA
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87
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Natural killer cell immunotherapies against cancer: checkpoint inhibitors and more. Semin Immunol 2017; 31:55-63. [DOI: 10.1016/j.smim.2017.08.003] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 08/03/2017] [Indexed: 12/17/2022]
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88
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Foley JF. Papers of note in
Science Immunology
2
(10). Sci Signal 2017. [DOI: 10.1126/scisignal.aan5445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
This month’s articles show that cholesterol-based ligands position splenic dendritic cells near T cells; how synovial fibroblasts and neutrophils promote inflammation in arthritis; that type I interferon activates liver T cells in obese mice; and how the alternative complement pathway plays a role in antibacterial immunity.
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