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Lombardelli L, Logiodice F, Aguerre-Girr M, Kullolli O, Haller H, Casart Y, Berrebi A, L'Faqihi-Olive FE, Duplan V, Romagnani S, Maggi E, Rukavina D, Le Bouteiller P, Piccinni MP. Interleukin-17-producing decidual CD4+ T cells are not deleterious for human pregnancy when they also produce interleukin-4. Clin Mol Allergy 2016; 14:1. [PMID: 26798325 PMCID: PMC4721137 DOI: 10.1186/s12948-016-0039-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 01/03/2016] [Indexed: 12/13/2022] Open
Abstract
Background Trophoblast expressing paternal HLA-C antigens resemble a semiallograft, and could be rejected by maternal CD4+ T lymphocytes. We examined the possible role in human pregnancy of Th17 cells, known to be involved in allograft rejection and reported for this reason to be responsible for miscarriages. We also studied Th17/Th1 and Th17/Th2 cells never investigated before. We defined for the first time the role of different Th17 subpopulations at the embryo implantation site and the role of HLA-G5, produced by the trophoblast/embryo, on Th17 cell differentiation. Methods Cytokine production by CD4+ purified T cell and T clones from decidua of normal pregnancy, unexplained recurrent abortion, and ectopic pregnancy at both embryo implantation site and distant from that site were analyzed for protein and mRNA production. Antigen-specific T cell lines were derived in the presence and in the absence of HLA-G5. Results We found an associated spontaneous production of IL-17A, IL-17F and IL-4 along with expression of CD161, CCR8 and CCR4 (Th2- and Th17-type markers) in fresh decidua CD4+ T cells during successful pregnancy. There was a prevalence of Th17/Th2 cells (producing IL-17A, IL-17F, IL-22 and IL-4) in the decidua of successful pregnancy, but the exclusive presence of Th17 (producing IL-17A, IL-17F, IL-22) and Th17/Th1 (producing IL-17A, IL-17F, IL-22 and IFN-γ) cells was found in the decidua of unexplained recurrent abortion. More importantly, we observed that Th17/Th2 cells were exclusively present at the embryo implantation site during tubal ectopic pregnancy, and that IL-4, GATA-3, IL-17A, ROR-C mRNA levels increased in tubal biopsies taken from embryo implantation sites, whereas Th17, Th17/Th1 and Th1 cells are exclusively present apart from implantation sites. Moreover, soluble HLA-G5 mediates the development of Th17/Th2 cells by increasing IL-4, IL-17A and IL-17F protein and mRNA production of CD4+ T helper cells. Conclusion No pathogenic role of decidual Th17 cells during pregnancy was observed. Indeed, a beneficial role for these cells was observed when they also produced IL-4. HLA-G5 could be the key feature of the uterine microenvironment responsible for the development of Th17/Th2 cells, which seem to be crucial for successful embryo implantation. Electronic supplementary material The online version of this article (doi:10.1186/s12948-016-0039-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Letizia Lombardelli
- Department of Experimental and Clinical Medicine and DENOTHE Excellence Center, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Federica Logiodice
- Department of Experimental and Clinical Medicine and DENOTHE Excellence Center, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Maryse Aguerre-Girr
- INSERM UMR1043, CNRS UMR5282, Centre de Physiopathologie Toulouse-Purpan, Université de Toulouse III, 31024 Toulouse, France
| | - Ornela Kullolli
- Department of Experimental and Clinical Medicine and DENOTHE Excellence Center, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Herman Haller
- Department of Gynecology and Obstetrics, Medical Faculty, University of Rijeka, 51000 Rijeka, Croatia
| | - Ysabel Casart
- INSERM UMR1043, CNRS UMR5282, Centre de Physiopathologie Toulouse-Purpan, Université de Toulouse III, 31024 Toulouse, France
| | - Alain Berrebi
- Gynécologie-Obstétrique, Hôpital Paule de Viguier, Toulouse, France
| | - Fatima-Ezzahra L'Faqihi-Olive
- INSERM UMR1043, CNRS UMR5282, Centre de Physiopathologie Toulouse-Purpan, Université de Toulouse III, 31024 Toulouse, France
| | - Valérie Duplan
- INSERM UMR1043, CNRS UMR5282, Centre de Physiopathologie Toulouse-Purpan, Université de Toulouse III, 31024 Toulouse, France
| | - Sergio Romagnani
- Department of Experimental and Clinical Medicine and DENOTHE Excellence Center, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Enrico Maggi
- Department of Experimental and Clinical Medicine and DENOTHE Excellence Center, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
| | - Daniel Rukavina
- Department of Physiology and Immunology, Medical Faculty, University of Rijeka, 51000 Rijeka, Croatia
| | - Philippe Le Bouteiller
- INSERM UMR1043, CNRS UMR5282, Centre de Physiopathologie Toulouse-Purpan, Université de Toulouse III, 31024 Toulouse, France
| | - Marie-Pierre Piccinni
- Department of Experimental and Clinical Medicine and DENOTHE Excellence Center, University of Florence, Largo Brambilla 3, 50134 Florence, Italy
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Mavigner M, Delobel P, Cazabat M, Dubois M, L'Faqihi-Olive FE, Raymond S, Pasquier C, Marchou B, Massip P, Izopet J. HIV-1 residual viremia correlates with persistent T-cell activation in poor immunological responders to combination antiretroviral therapy. PLoS One 2009; 4:e7658. [PMID: 19876401 PMCID: PMC2765414 DOI: 10.1371/journal.pone.0007658] [Citation(s) in RCA: 104] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2009] [Accepted: 10/12/2009] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND The clinical significance and cellular sources of residual human immunodeficiency virus type 1 (HIV-1) production despite suppressive combination antiretroviral therapy (cART) remain unclear and the effect of low-level viremia on T-cell homeostasis is still debated. METHODOLOGY/PRINCIPAL FINDINGS We characterized the recently produced residual viruses in the plasma and short-lived blood monocytes of 23 patients with various immunological responses to sustained suppressive cART. We quantified the residual HIV-1 in the plasma below 50 copies/ml, and in the CD14(high) CD16(-) and CD16+ monocyte subsets sorted by flow cytometry, and predicted coreceptor usage by genotyping V3 env sequences. We detected residual viremia in the plasma of 8 of 10 patients with poor CD4+ T-cell reconstitution in response to cART and in only 5 of 13 patients with good CD4+ T-cell reconstitution. CXCR4-using viruses were frequent among the recently produced viruses in the plasma and in the main CD14(high) CD16(-) monocyte subset. Finally, the residual viremia was correlated with persistent CD4+ and CD8+ T-cell activation in patients with poor immune reconstitution. CONCLUSIONS Low-level viremia could result from the release of archived viruses from cellular reservoirs and/or from ongoing virus replication in some patients. The compartmentalization of the viruses between the plasma and the blood monocytes suggests at least two origins of residual virus production during effective cART. CXCR4-using viruses might be produced preferentially in patients on cART. Our results also suggest that low-level HIV-1 production in some patients may contribute to persistent immune dysfunction despite cART.
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Affiliation(s)
| | - Pierre Delobel
- INSERM, U563, Toulouse, France
- Université Toulouse III Paul-Sabatier, Centre de Physiopathologie de Toulouse Purpan, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Service des Maladies Infectieuses et Tropicales, Toulouse, France
| | - Michelle Cazabat
- INSERM, U563, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Laboratoire de Virologie, Toulouse, France
| | - Martine Dubois
- INSERM, U563, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Laboratoire de Virologie, Toulouse, France
| | | | - Stéphanie Raymond
- INSERM, U563, Toulouse, France
- Université Toulouse III Paul-Sabatier, Centre de Physiopathologie de Toulouse Purpan, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Laboratoire de Virologie, Toulouse, France
| | - Christophe Pasquier
- INSERM, U563, Toulouse, France
- Université Toulouse III Paul-Sabatier, Centre de Physiopathologie de Toulouse Purpan, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Laboratoire de Virologie, Toulouse, France
| | - Bruno Marchou
- Université Toulouse III Paul-Sabatier, Centre de Physiopathologie de Toulouse Purpan, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Service des Maladies Infectieuses et Tropicales, Toulouse, France
| | - Patrice Massip
- Université Toulouse III Paul-Sabatier, Centre de Physiopathologie de Toulouse Purpan, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Service des Maladies Infectieuses et Tropicales, Toulouse, France
| | - Jacques Izopet
- INSERM, U563, Toulouse, France
- Université Toulouse III Paul-Sabatier, Centre de Physiopathologie de Toulouse Purpan, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Laboratoire de Virologie, Toulouse, France
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Ordonez L, Bernard I, L'Faqihi-Olive FE, Tervaert JWC, Damoiseaux J, Saoudi A. CD45RC isoform expression identifies functionally distinct T cell subsets differentially distributed between healthy individuals and AAV patients. PLoS One 2009; 4:e5287. [PMID: 19381293 PMCID: PMC2668071 DOI: 10.1371/journal.pone.0005287] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2009] [Accepted: 03/18/2009] [Indexed: 12/01/2022] Open
Abstract
In animal models of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), the proportion of CD45RC T cell subsets is important for disease susceptibility. Their human counterparts are, however, functionally ill defined. In this report, we studied their distribution in healthy controls (HC), AAV patients and in Systemic lupus erythematous (SLE) patients as disease controls. We showed that CD45RC expression level on human CD4 and CD8 T cells identifies subsets that are highly variable among individuals. Interestingly, AAV patients exhibit an increased proportion of CD45RClow CD4 T cells as compared to HC and SLE patients. This increase is stable over time and independent of AAV subtype, ANCA specificity, disease duration, or number of relapses. We also analyzed the cytokine profile of purified CD4 and CD8 CD45RC T cell subsets from HC, after stimulation with anti-CD3 and anti-CD28 mAbs. The CD45RC subsets exhibit different cytokine profiles. Type-1 cytokines (IL-2, IFN-γ and TNF-α) were produced by all CD45RC T cell subsets, while the production of IL-17, type-2 (IL-4, IL-5) and regulatory (IL-10) cytokines was restricted to the CD45RClow subset. In conclusion, we have shown that CD45RC expression divides human T cells in functionally distinct subsets that are imbalanced in AAV. Since this imbalance is stable over time and independent of several disease parameters, we hypothesize that this is a pre-existing immune abnormality involved in the etiology of AAV.
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Affiliation(s)
- Laurence Ordonez
- Institut National de la Santé et de la Recherche Médicale (INSERM) U563, Institut Fédératif de Recherche (IFR) 30, Hôpital Purpan and Université Paul Sabatier, Toulouse, France
| | - Isabelle Bernard
- Institut National de la Santé et de la Recherche Médicale (INSERM) U563, Institut Fédératif de Recherche (IFR) 30, Hôpital Purpan and Université Paul Sabatier, Toulouse, France
| | - Fatima-Ezzahra L'Faqihi-Olive
- Institut National de la Santé et de la Recherche Médicale (INSERM) U563, Institut Fédératif de Recherche (IFR) 30, Hôpital Purpan and Université Paul Sabatier, Toulouse, France
| | - Jan Willem Cohen Tervaert
- Department of Internal Medicine, Division Clinical and Experimental Immunology, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Jan Damoiseaux
- Department of Internal Medicine, Division Clinical and Experimental Immunology, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Abdelhadi Saoudi
- Institut National de la Santé et de la Recherche Médicale (INSERM) U563, Institut Fédératif de Recherche (IFR) 30, Hôpital Purpan and Université Paul Sabatier, Toulouse, France
- * E-mail:
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Poupot M, Griffe L, Marchand P, Maraval A, Rolland O, Martinet L, L'Faqihi-Olive FE, Turrin CO, Caminade AM, Fournié JJ, Majoral JP, Poupot R. Design of phosphorylated dendritic architectures to promote human monocyte activation. FASEB J 2006; 20:2339-51. [PMID: 17077311 DOI: 10.1096/fj.06-5742com] [Citation(s) in RCA: 122] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
As first defensive line, monocytes are a pivotal cell population of innate immunity. Monocyte activation can be relevant to a range of immune conditions and responses. Here we present new insights into the activation of monocytes by a series of phosphonic acid-terminated, phosphorus-containing dendrimers. Various dendritic or subdendritic structures were synthesized and tested, revealing the basic structural requirements for monocyte activation. We showed that multivalent character and phosphonic acid capping of dendrimers are crucial for monocyte targeting and activation. Confocal videomicroscopy showed that a fluorescein-tagged dendrimer binds to isolated monocytes and gets internalized within a few seconds. We also found that dendrimers follow the phagolysosomial route during internalization by monocytes. Finally, we performed fluorescence resonance energy transfer (FRET) experiments between a specifically designed fluorescent dendrimer and phycoerythrin-coupled antibodies. We showed that the typical innate Toll-like receptor (TLR)-2 is clearly involved, but not alone, in the sensing of dendrimers by monocytes. In conclusion, phosphorus-containing dendrimers appear as precisely tunable nanobiotools able to target and activate human innate immunity and thus prove to be good candidates to develop new drugs for immunotherapies.
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Affiliation(s)
- Mary Poupot
- INSERM 563, Centre de Physiopathologie de Toulouse-Purpan, Hôpital Purpan, BP3028, 31024 Toulouse cedex 03, France
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