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Orta-Resendiz A, Petitdemange C, Schmutz S, Jacquelin B, Novault S, Huot N, Müller-Trutwin M. Deep phenotyping characterization of human unconventional CD8 +NKG2A/C + T cells among T and NK cells by spectral flow cytometry. STAR Protoc 2023; 4:102734. [PMID: 38032799 PMCID: PMC10711235 DOI: 10.1016/j.xpro.2023.102734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 12/02/2023] Open
Abstract
Here, we present a protocol for setting three spectral flow cytometry panels for the characterization of human unconventional CD8+NKG2A/C+ T cells as well as other T and natural killer cell subsets. We describe steps for standardizing, preparing, and staining the cells, the experimental setup, and the final data analysis. This protocol should be advantageous in various settings including immunophenotyping of limited samples, immune function evaluation/monitoring, as well as research in oncology, autoimmune, and infectious diseases.
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Affiliation(s)
- Aurelio Orta-Resendiz
- Institut Pasteur, Université Paris Cité, HIV, Inflammation and Persistence Unit, 75015 Paris, France.
| | - Caroline Petitdemange
- Institut Pasteur, Université Paris Cité, HIV, Inflammation and Persistence Unit, 75015 Paris, France
| | - Sandrine Schmutz
- Cytometry and Biomarkers, Center for Technological Resources and Research, Institut Pasteur, 75015 Paris, France.
| | - Béatrice Jacquelin
- Institut Pasteur, Université Paris Cité, HIV, Inflammation and Persistence Unit, 75015 Paris, France
| | - Sophie Novault
- Cytometry and Biomarkers, Center for Technological Resources and Research, Institut Pasteur, 75015 Paris, France
| | - Nicolas Huot
- Institut Pasteur, Université Paris Cité, HIV, Inflammation and Persistence Unit, 75015 Paris, France
| | - Michaela Müller-Trutwin
- Institut Pasteur, Université Paris Cité, HIV, Inflammation and Persistence Unit, 75015 Paris, France.
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Wang X, Xiong H, Ning Z. Implications of NKG2A in immunity and immune-mediated diseases. Front Immunol 2022; 13:960852. [PMID: 36032104 PMCID: PMC9399941 DOI: 10.3389/fimmu.2022.960852] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/21/2022] [Indexed: 11/22/2022] Open
Abstract
In recent studies, NKG2A is revealed to be a key immune checkpoint for both natural killer (NK) cells and CD8+ T cells. It form heterodimer receptors with CD94, and targets the peptide-presenting human leukocyte antigen-E (HLA-E) molecules. Upon crosslinking, NKG2A/CD94 delivers inhibitory signals for NK cells and CD8+ T cells, while blocking NKG2A can effectively unleash functions of these cytotoxic lymphocytes. The interaction between NKG2A and HLA-E contributes to tumor immune escape, and NKG2A-mediated mechanisms are currently being exploited to develop potential antitumor therapeutic strategies. In addition, growing evidence shows that NKG2A also plays important roles in other immune-related diseases including viral infections, autoimmune diseases, inflammatory diseases, parasite infections and transplant rejection. Therefore, the current work focuses on describing the effect of NKG2A on immune regulation and exploring its potential role in immune-mediated disorders.
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Affiliation(s)
- Xiaotong Wang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
- *Correspondence: Zhaochen Ning, ; Huabao Xiong,
| | - Zhaochen Ning
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, China
- *Correspondence: Zhaochen Ning, ; Huabao Xiong,
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3
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Huot N, Rascle P, Tchitchek N, Wimmer B, Passaes C, Contreras V, Desjardins D, Stahl-Hennig C, Le Grand R, Saez-Cirion A, Jacquelin B, Müller-Trutwin M. Role of NKG2a/c +CD8 + T cells in pathogenic versus non-pathogenic SIV infections. iScience 2021; 24:102314. [PMID: 33870131 PMCID: PMC8040270 DOI: 10.1016/j.isci.2021.102314] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/12/2021] [Accepted: 03/11/2021] [Indexed: 01/10/2023] Open
Abstract
Some viruses have established an equilibrium with their host. African green monkeys (AGM) display persistent high viral replication in the blood and intestine during Simian immunodeficiency virus (SIV) infection but resolve systemic inflammation after acute infection and lack intestinal immune or tissue damage during chronic infection. We show that NKG2a/c+CD8+ T cells increase in the blood and intestine of AGM in response to SIVagm infection in contrast to SIVmac infection in macaques, the latter modeling HIV infection. NKG2a/c+CD8+ T cells were not expanded in lymph nodes, and CXCR5+NKG2a/c+CD8+ T cell frequencies further decreased after SIV infection. Genome-wide transcriptome analysis of NKG2a/c+CD8+ T cells from AGM revealed the expression of NK cell receptors, and of molecules with cytotoxic effector, gut homing, and immunoregulatory and gut barrier function, including CD73. NKG2a/c+CD8+ T cells correlated negatively with IL-23 in the intestine during SIVmac infection. The data suggest a potential regulatory role of NKG2a/c+CD8+ T cells in intestinal inflammation during SIV/HIV infections. Molecular determination of NKG2a/c+CD8+ T cells in two species of nonhuman primates Tissue distribution of NKG2a/c+CD8+ T cell is profoundly sculpted by SIV infections Intestinal NKG2a/c+CD8+ T cells correlated negatively with IL-23 in SIV infection NKG2a/c+CD8+ T cells might play a protective gut barrier function in HIV/SIV infection
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Affiliation(s)
- Nicolas Huot
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France
| | - Philippe Rascle
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France.,Université Paris Diderot, Sorbonne Paris Cité, Paris, France
| | - Nicolas Tchitchek
- Sorbonne Université, INSERM, Immunology-Immunopathology-Immunotherapy (i3), Paris, France
| | - Benedikt Wimmer
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France
| | - Caroline Passaes
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France
| | - Vanessa Contreras
- CEA-Université Paris Sud-Inserm, U1184, IDMIT Department, IBFJ, Fontenay-aux-Roses, France
| | - Delphine Desjardins
- CEA-Université Paris Sud-Inserm, U1184, IDMIT Department, IBFJ, Fontenay-aux-Roses, France
| | - Christiane Stahl-Hennig
- Deutsches Primatenzentrum - Leibniz Institut für Primatenforschung, Unit of Infection Models, Göttingen, Germany
| | - Roger Le Grand
- CEA-Université Paris Sud-Inserm, U1184, IDMIT Department, IBFJ, Fontenay-aux-Roses, France
| | - Asier Saez-Cirion
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France
| | - Beatrice Jacquelin
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France
| | - Michaela Müller-Trutwin
- Institut Pasteur, Unité HIV, Inflammation et Persistance, 28 rue du Dr Roux, Paris 75015, France
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Efthymakis K, Clemente E, Marchioni M, Di Nicola M, Neri M, Sallese M. An Exploratory Gene Expression Study of the Intestinal Mucosa of Patients with Non-Celiac Wheat Sensitivity. Int J Mol Sci 2020; 21:ijms21061969. [PMID: 32183058 PMCID: PMC7139384 DOI: 10.3390/ijms21061969] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/06/2020] [Accepted: 03/11/2020] [Indexed: 12/12/2022] Open
Abstract
Non-celiac wheat sensitivity (NCWS) is a recently recognized syndrome triggered by a gluten-containing diet. The pathophysiological mechanisms engaged in NCWS are poorly understood and, in the absence of laboratory markers, the diagnosis relies only on a double-blind protocol of symptoms evaluation during a gluten challenge. We aimed to shed light on the molecular mechanisms governing this disorder and identify biomarkers helpful to the diagnosis. By a genome-wide transcriptomic analysis, we investigated gene expression profiles of the intestinal mucosa of 12 NCWS patients, as well as 7 controls. We identified 300 RNA transcripts whose expression differed between NCWS patients and controls. Only 37% of these transcripts were protein-coding RNA, whereas the remaining were non-coding RNA. Principal component analysis (PCA) and receiver operating characteristic curves showed that these microarray data are potentially useful to set apart NCWS from controls. Literature and network analyses indicated a possible implication/dysregulation of innate immune response, hedgehog pathway, and circadian rhythm in NCWS. This exploratory study indicates that NCWS can be genetically defined and gene expression profiling might be a suitable tool to support the diagnosis. The dysregulated genes suggest that NCWS may result from a deranged immune response. Furthermore, non-coding RNA might play an important role in the pathogenesis of NCWS.
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Affiliation(s)
- Konstantinos Efthymakis
- Department of Medicine and Ageing Sciences, ‘G. d’Annunzio’ University of Chieti–Pescara, 66100 Chieti, Italy;
- Center for Advanced Studies and Technology (CAST), ‘G. d’Annunzio’ University of Chieti-Pescara, 66100 Chieti, Italy;
| | - Emanuela Clemente
- Center for Advanced Studies and Technology (CAST), ‘G. d’Annunzio’ University of Chieti-Pescara, 66100 Chieti, Italy;
- Department of Medical, Oral and Biotechnological Sciences, ‘G. d’Annunzio’ University of Chieti–Pescara, 66100 Chieti, Italy; (M.M.); (M.D.N.)
| | - Michele Marchioni
- Department of Medical, Oral and Biotechnological Sciences, ‘G. d’Annunzio’ University of Chieti–Pescara, 66100 Chieti, Italy; (M.M.); (M.D.N.)
| | - Marta Di Nicola
- Department of Medical, Oral and Biotechnological Sciences, ‘G. d’Annunzio’ University of Chieti–Pescara, 66100 Chieti, Italy; (M.M.); (M.D.N.)
| | - Matteo Neri
- Department of Medicine and Ageing Sciences, ‘G. d’Annunzio’ University of Chieti–Pescara, 66100 Chieti, Italy;
- Center for Advanced Studies and Technology (CAST), ‘G. d’Annunzio’ University of Chieti-Pescara, 66100 Chieti, Italy;
- Correspondence: (M.N.); (M.S.)
| | - Michele Sallese
- Center for Advanced Studies and Technology (CAST), ‘G. d’Annunzio’ University of Chieti-Pescara, 66100 Chieti, Italy;
- Department of Medical, Oral and Biotechnological Sciences, ‘G. d’Annunzio’ University of Chieti–Pescara, 66100 Chieti, Italy; (M.M.); (M.D.N.)
- Correspondence: (M.N.); (M.S.)
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Kanevskiy L, Erokhina S, Kobyzeva P, Streltsova M, Sapozhnikov A, Kovalenko E. Dimorphism of HLA-E and its Disease Association. Int J Mol Sci 2019; 20:ijms20215496. [PMID: 31690066 PMCID: PMC6862560 DOI: 10.3390/ijms20215496] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/25/2019] [Accepted: 11/01/2019] [Indexed: 02/07/2023] Open
Abstract
HLA-E is a nonclassical member of the major histocompatibility complex class I gene locus. HLA-E protein shares a high level of homology with MHC Ia classical proteins: it has similar tertiary structure, associates with β2-microglobulin, and is able to present peptides to cytotoxic lymphocytes. The main function of HLA-E under normal conditions is to present peptides derived from the leader sequences of classical HLA class I proteins, thus serving for monitoring of expression of these molecules performed by cytotoxic lymphocytes. However, opposite to multiallelic classical MHC I genes, HLA-E in fact has only two alleles—HLA-E*01:01 and HLA-E*01:03—which differ by one nonsynonymous amino acid substitution at position 107, resulting in an arginine in HLA-E*01:01 (HLA-ER) and glycine in HLA-E*01:03 (HLA-EG). In contrast to HLA-ER,HLA-EG has higher affinity to peptide, higher surface expression, and higher thermal stability of the corresponding protein, and it is more ancient than HLA-ER, though both alleles are presented in human populations in nearly equal frequencies. In the current review, we aimed to uncover the reason of the expansion of the younger allele, HLA-ER, by analysis of associations of both HLA-E alleles with a number of diseases, including viral and bacterial infections, cancer, and autoimmune disorders.
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Affiliation(s)
- Leonid Kanevskiy
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10, Miklukho-Maklaya St., Moscow 117997, Russia.
| | - Sofya Erokhina
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10, Miklukho-Maklaya St., Moscow 117997, Russia.
| | - Polina Kobyzeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10, Miklukho-Maklaya St., Moscow 117997, Russia.
| | - Maria Streltsova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10, Miklukho-Maklaya St., Moscow 117997, Russia.
| | - Alexander Sapozhnikov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10, Miklukho-Maklaya St., Moscow 117997, Russia.
| | - Elena Kovalenko
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 16/10, Miklukho-Maklaya St., Moscow 117997, Russia.
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Influence of CD94 and NKG2A variants on susceptibility to rheumatoid arthritis and efficacy of anti-TNF treatment. Joint Bone Spine 2016; 83:75-9. [DOI: 10.1016/j.jbspin.2015.06.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 06/24/2015] [Indexed: 12/11/2022]
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Redox-Mediated Angiogenesis in the Hypoxic Joint of Inflammatory Arthritis. Arthritis Rheumatol 2014; 66:3300-10. [DOI: 10.1002/art.38822] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 08/07/2014] [Indexed: 01/15/2023]
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Pratheek BM, Nayak TK, Sahoo SS, Mohanty PK, Chattopadhyay S, Chakraborty NG, Chattopadhyay S. Mammalian non-classical major histocompatibility complex I and its receptors: Important contexts of gene, evolution, and immunity. INDIAN JOURNAL OF HUMAN GENETICS 2014; 20:129-41. [PMID: 25400340 PMCID: PMC4228563 DOI: 10.4103/0971-6866.142855] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The evolutionary conserved, less-polymorphic, nonclassical major histocompatibility complex (MHC) class I molecules: Qa-1 and its human homologue human leukocyte antigen-E (HLA-E) along with HLA-F, G and H cross-talk with the T-cell receptors and also interact with natural killer T-cells and other lymphocytes. Moreover, these nonclassical MHC molecules are known to interact with CD94/NKG2 heterodimeric receptors to induce immune responses and immune regulations. This dual role of Qa-1/HLA-E in terms of innate and adaptive immunity makes them more interesting. This review highlights the new updates of the mammalian nonclassical MHC-I molecules in terms of their gene organization, evolutionary perspective and their role in immunity.
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Affiliation(s)
- B M Pratheek
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar, Odisha, India
| | - Tapas K Nayak
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar, Odisha, India
| | - Subhransu S Sahoo
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar, Odisha, India
| | | | - Soma Chattopadhyay
- Infectious Disease Biology, Institute of Life Sciences, Bhubaneswar, Odisha, India
| | - Ntiya G Chakraborty
- Department of Medicine, University of Connecticut Health Center, Farmington, USA
| | - Subhasis Chattopadhyay
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar, Odisha, India
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de la Torre I, Valor L, Nieto JC, Hernandez D, Martinez L, Gonzalez CM, Monteagudo I, Longo JL, Montoro M, Carreño L. Anti-TNF treatments in rheumatoid arthritis: economic impact of dosage modification. Expert Rev Pharmacoecon Outcomes Res 2014; 13:407-14. [DOI: 10.1586/erp.13.24] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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10
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Do inhibitory immune receptors play a role in the etiology of autoimmune disease? Clin Immunol 2013; 150:31-42. [PMID: 24333531 DOI: 10.1016/j.clim.2013.11.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 11/07/2013] [Accepted: 11/10/2013] [Indexed: 12/21/2022]
Abstract
Inhibitory receptors are thought to be important in balancing immune responses. The general assumption is that lack of inhibition predisposes for autoimmune diseases. As reviewed here, various experimental and clinical data support this assumption. However, in humans genetic evidence implicates only a limited number of inhibitory receptors. GWAS have established common variation in a few inhibitory receptor genes, such as FCγRIIB, PD-1 and CTLA-4 as risk factors. The question arises whether inhibitory receptor function is a major determinant of autoimmune disease. In this respect, the finding that genetic variation in CSK and PTPN22 is strongly associated with multiple autoimmune diseases is of interest. We propose a model in which the molecules encoded by these genes are downstream of inhibitory receptors. We conclude that common genetic variation of inhibitory receptors, with few exceptions, is not a determining factor for autoimmunity in humans. However, common downstream signaling pathways are.
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Natural killer cell receptor expression in RA. Nat Rev Rheumatol 2011. [DOI: 10.1038/nrrheum.2011.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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