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2. Prospective head-to-head comparison of non-invasive scores for diagnosis of fibrotic MASH in patients with type 2 diabetes

Author

Bellili, Djamila, Bessadi, Ouarda, Da Silveira, Charlene, Djelouat, Fatima Zohra, Girard, Benoit, Legrand, Vanessa, Neveux, Nathalie, Meziani, Meriam, Roy, Ludovic, Sekour, Dahia, Sens, Manon, Slimani, Miassa, Zatout, Ouassila, Bachelet, Delphine, Bhavsar, Krishna, Mullaert, Basma Basli-Baillet Jimmy, Marcault, Estelle, Si-Mohammed, Nassima, Cosson, Emmanuel, Miguel Albuquerque, Doblas, Sabrina, Hammoutene, Adel, Gonzalez Montpetit, Estefania, Pagé, Gwenaël, Béatrice Parfait, Postic, Catherine, Lehuen, Agnès, Toubal, Amine, Rousseau, Camille, Fruchet, Blandine, Soulard, Pauline, Gouda, Zouriatou, Vidaud, Michel, Letourneur, Franck, Renault, Gilles, Scharfmann, Raphaël, Ait-Boudaoud, Amel, Barsamian, Charles, Carette, Claire, Rives-Lange, Claire, Baida, Rachel, Couture, Olivier, Decombas, Sofiane, Deffieux, Thomas, Nguyen, Thu-mai, Tanter, Mickael, Baltauss, Tania, Balzac, Edwige-Ludiwyne, Barbier Saint Hilaire, Pierre, Delerive, Philippe, Duvivier, Valérie, Fillon, Arnaud, Geronimi, Julia, Laplume, Jessica, Werner, Erwan, Xuereb, Laura, Liechti, Robin, Martin, Olivier, Mehl, Florence, Pruess, Manuela, Castille, Jean-Marie, Drane, Fabienne, Deckmyn, Olivier, Castelli, Florence, Cousin, Benoit Colsch Emmanuel, Fenaille, François, Guilbaud, Laure, Lohier, Allyre, Chambellin, Francois, Laaland, Lyddie, Clusel, Catherine, Hauduroy, Marie, Pautre, Pierre, Castera, Laurent, Garteiser, Philippe, Laouenan, Cédric, Vidal-Trécan, Tiphaine, Vallet-Pichard, Anaïs, Manchon, Pauline, Paradis, Valérie, Czernichow, Sébastien, Roulot, Dominique, Larger, Etienne, Pol, Stanislas, Bedossa, Pierre, Correas, Jean-Michel, Valla, Dominique, Gautier, Jean-François, and Van Beers, Bernard E.

Published
2024
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3. MAIT cells altered phenotype and cytotoxicity in lupus patients are linked to renal disease severity and outcome

Author

Elena Litvinova, Carine Bounaix, Guillaume Hanouna, Jennifer Da Silva, Laura Noailles, Lucie Beaudoin, Michael Padden, Nessrine Bellamri, Agnès Lehuen, Eric Daugas, Renato C. Monteiro, and Héloïse Flament

Subjects
MAIT cell, lupus nephritis, granzyme B, activation, prognosis markers, Immunologic diseases. Allergy, RC581-607
Abstract

IntroductionSystemic lupus erythematosus (SLE) is an autoimmune disease in which circulating immune complexes can cause different types of glomerulonephritis, according to immune deposits and to the type of glomerular cell injury. Proliferative lesions represent the most severe form of lupus nephritis (LN) and often lead to kidney failure and death. Mucosal-associated invariant T (MAIT) cells are a subset of innate-like T cells that recognize microbial-derived ligands from the riboflavin synthesis pathway. Although abundant in peripheral blood, MAIT cells are enriched in mucosal and inflamed tissues. While previous studies have reported concordant results concerning lower MAIT cell frequencies in the blood of SLE patients, no information is known about MAIT cell function and LN severity and outcome.MethodsIn the current study, we analyzed the baseline phenotype and function of peripheral blood MAIT cells by flow cytometry in 26 patients with LN and in a control group of 16 healthy individuals.ResultsWe observe that MAIT cell frequencies are markedly reduced in blood of LN patients. MAIT cells from patients have an altered phenotype in terms of migration, proliferation and differentiation markers, notably in most severe forms of LN. Frequencies of PMA/ionomycin stimulated MAIT cells secreting effector molecules, such as proinflammatory IL-17 and cytotoxic protein granzyme B, are higher in LN patients. Patients undergoing a complete renal remission after immunosuppressive therapy had higher MAIT cell frequency, lower expression of proliferation marker Ki-67 and granzyme B (GzB) at inclusion. Remarkably, GzB production defines a predictive model for complete remission.DiscussionWe report here that blood MAIT cells display proinflammatory and cytotoxic function in severe lupus nephritis which may play a pathogenesis role, but without association with systemic lupus activity. Finally, low cytotoxic profile of MAIT cells may represent a promising prognostic factor of lupus nephritis remission one year after induction therapy.

Published
2023
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4. Immunoglobulin A Antibodies: From Protection to Harmful Roles.

Author

Gleeson, Patrick J., Camara, Niels O. S., Launay, Pierre, Lehuen, Agnès, and Monteiro, Renato C.

Subjects
MUCOUS membranes, GUT microbiome, HOMEOSTASIS, INFLAMMATION, IMMUNOGLOBULINS
Abstract

Immunoglobulin A (IgA) is the most abundantly produced antibody in humans. IgA is a unique class of immunoglobulin due to its multiple molecular forms, and a defining difference between the two subclasses: IgA1 has a long hinge‐region that is heavily O‐glycosylated, whereas the IgA2 hinge‐region is shorter but resistant to bacterial proteases prevalent at mucosal sites. IgA is essential for immune homeostasis and education. Mucosal IgA plays a crucial role in maintaining the integrity of the mucosal barrier by immune exclusion of pathobionts while facilitating colonization with certain commensals; a large part of the gut microbiota is coated with IgA. In the circulation, monomeric IgA that has not been engaged by antigen plays a discrete role in dampening inflammatory responses. Protective and harmful roles of IgA have been studied over several decades, but a new understanding of the complex role of this immunoglobulin in health and disease has been provided by recent studies. Here, we discuss the physiological and pathological roles of IgA with a special focus on the gut, kidneys, and autoimmunity. We also discuss new IgA‐based therapeutic approaches. [ABSTRACT FROM AUTHOR]

Published
2024
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7. WED-239 Proteomics identifies a subpopulation of plasma extracellular vesicles able to improve non-invasive diagnosis of MASH in patients with type 2 diabetes: results of the RHU QUID-NASH study

Author

Elkrief, Laure, primary, Tanguy, Marion, additional, Biquard, Louise, additional, Valainathan, Shantha, additional, Loew, Damarys, additional, Dingli, Florent, additional, Cointet, Alix, additional, Laouenan, Cedric, additional, Garteiser, Philippe, additional, Paradis, Valérie, additional, Lehuen, Agnes, additional, Castera, Laurent, additional, Poynard, Thierry, additional, Valla, Dominique, additional, and Rautou, Pierre-Emmanuel, additional

Published
2024
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10. Prospective head-to-head comparison of non-invasive scores for diagnosis of fibrotic MASH in patients with type 2 diabetes

Author

Castera, Laurent, primary, Garteiser, Philippe, additional, Laouenan, Cédric, additional, Vidal-Trécan, Tiphaine, additional, Vallet-Pichard, Anaïs, additional, Manchon, Pauline, additional, Paradis, Valérie, additional, Czernichow, Sébastien, additional, Roulot, Dominique, additional, Larger, Etienne, additional, Pol, Stanislas, additional, Bedossa, Pierre, additional, Correas, Jean-Michel, additional, Valla, Dominique, additional, Gautier, Jean-François, additional, Van Beers, Bernard E., additional, Bellili, Djamila, additional, Bessadi, Ouarda, additional, Da Silveira, Charlene, additional, Djelouat, Fatima Zohra, additional, Girard, Benoit, additional, Legrand, Vanessa, additional, Neveux, Nathalie, additional, Meziani, Meriam, additional, Roy, Ludovic, additional, Sekour, Dahia, additional, Sens, Manon, additional, Slimani, Miassa, additional, Zatout, Ouassila, additional, Bachelet, Delphine, additional, Bhavsar, Krishna, additional, Basli-Baillet Jimmy Mullaert, Basma, additional, Marcault, Estelle, additional, Si-Mohammed, Nassima, additional, Cosson, Emmanuel, additional, Albuquerque, Miguel, additional, Doblas, Sabrina, additional, Hammoutene, Adel, additional, Montpetit, Estefania Gonzalez, additional, Pagé, Gwenaël, additional, Parfait, Béatrice, additional, Postic, Catherine, additional, Lehuen, Agnès, additional, Toubal, Amine, additional, Rousseau, Camille, additional, Fruchet, Blandine, additional, Soulard, Pauline, additional, Gouda, Zouriatou, additional, Vidaud, Michel, additional, Letourneur, Franck, additional, Renault, Gilles, additional, Scharfmann, Raphaël, additional, Ait-Boudaoud, Amel, additional, Barsamian, Charles, additional, Carette, Claire, additional, Rives-Lange, Claire, additional, Baida, Rachel, additional, Couture, Olivier, additional, Decombas, Sofiane, additional, Deffieux, Thomas, additional, Nguyen, Thu-mai, additional, Tanter, Mickael, additional, Baltauss, Tania, additional, Balzac, Edwige-Ludiwyne, additional, Saint Hilaire Philippe Delerive, Pierre Barbier, additional, Duvivier, Valérie, additional, Fillon, Arnaud, additional, Geronimi, Julia, additional, Laplume, Jessica, additional, Werner, Erwan, additional, Xuereb, Laura, additional, Liechti, Robin, additional, Martin, Olivier, additional, Mehl, Florence, additional, Pruess, Manuela, additional, Castille, Jean-Marie, additional, Drane, Fabienne, additional, Deckmyn, Olivier, additional, Castelli, Florence, additional, Emmanuel Cousin, Benoit Colsch, additional, Fenaille, François, additional, Guilbaud, Laure, additional, Lohier, Allyre, additional, Chambellin, Francois, additional, Laaland, Lyddie, additional, Clusel, Catherine, additional, Hauduroy, Marie, additional, and Pautre, Pierre, additional

Published
2024
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12. Outcome of SARS-CoV-2 infection is linked to MAIT cell activation and cytotoxicity

Author

Flament, Héloïse, Rouland, Matthieu, Beaudoin, Lucie, Toubal, Amine, Bertrand, Léo, Lebourgeois, Samuel, Rousseau, Camille, Soulard, Pauline, Gouda, Zouriatou, Cagninacci, Lucie, Monteiro, Antoine C., Hurtado-Nedelec, Margarita, Luce, Sandrine, Bailly, Karine, Andrieu, Muriel, Saintpierre, Benjamin, Letourneur, Franck, Jouan, Youenn, Si-Tahar, Mustapha, Baranek, Thomas, Paget, Christophe, Boitard, Christian, Vallet-Pichard, Anaïs, Gautier, Jean-François, Ajzenberg, Nadine, Terrier, Benjamin, Pène, Frédéric, Ghosn, Jade, Lescure, Xavier, Yazdanpanah, Yazdan, Visseaux, Benoit, Descamps, Diane, Timsit, Jean-François, Monteiro, Renato C., and Lehuen, Agnès

Published
2021
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13. Mucosal-associated invariant T cells promote inflammation and intestinal dysbiosis leading to metabolic dysfunction during obesity

Author

Amine Toubal, Badr Kiaf, Lucie Beaudoin, Lucie Cagninacci, Moez Rhimi, Blandine Fruchet, Jennifer da Silva, Alexandra J. Corbett, Yannick Simoni, Olivier Lantz, Jamie Rossjohn, James McCluskey, Philippe Lesnik, Emmanuelle Maguin, and Agnès Lehuen

Subjects
Science
Abstract

Inflammation, immune cells and the host microbiota are intimately linked in the pathophysiology of obesity and diabetes. Here the authors show mucosal-associated invariant T cells fuel inflammation in the tissues and serve a function in promoting metabolic breakdown, polarising macrophage populations and inducing dysbiosis of the intestinal microbiota.

Published
2020
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14. A quantile regression approach to define optimal ecological niche (habitat suitability) of cockle populations (Cerastoderma edule)

Author

Lehuen, Amélie, Dancie, Chloé, Grasso, Florent, Orvain, Francis, Lehuen, Amélie, Dancie, Chloé, Grasso, Florent, and Orvain, Francis

Abstract

For several decades now, species distribution models (SDMs) have been a promising area of ecological research. The aim of the present study is to define optimal ecological niches and habitat suitability for the population of the bivalve Cerastoderma edule in the Seine estuary. The method involved applying quantile regression to a 20-year biological dataset at the scale of the estuary, coupled with a hydro-morpho-sedimentary model data set validated over a longer period (25 years) also at the scale of the estuary, using 100-m mesh cells. This study was carried out to describe biological responses to environmental factors involved in defining an optimal ecological niche, using the bifactorial Gaussian equation using physical forcings (tidal currents, bed shear stress, etc.) as explanatory factors. On the basis of a preliminary multivariate analysis of the physical descriptors, a comparison was made between three different types of equation (linear, B-spline and Gaussian) in four sets of paired environmental factors: daily maximum current speed & inundation time, daily salinity range & temperature, daily salinity range & bathymetry, daily maximum bed shear stress & mud content. The non-linear quantile regression with a bifactorial Gaussian equation produced the best description of habitat suitability and optimal niches, at the 95th centile and using the biomass (gAFDW/m² - Ash Free Dry weight). Daily maximum current speed & inundation time and daily salinity range & temperature were the most pertinent SDMs. The optimal ecological niche for C. edule appeared to be lower intertidal marine areas, with temperate and low dynamic waters, settled in muddy sand sediment of the tidal flats of Seine estuary. Using this technique, the calculation of optimal niches in this ecosystem was explored over a period of 25 years and analysed in isolated sectors and can now be applied in different scenarios related to the global warming. We propose several reliable models, so that differen

Published
2024

18. Mucosal-associated invariant T cells are a profibrogenic immune cell population in the liver

Author

Pushpa Hegde, Emmanuel Weiss, Valérie Paradis, Jinghong Wan, Morgane Mabire, Sukriti Sukriti, Pierre-Emmanuel Rautou, Miguel Albuquerque, Olivia Picq, Abhishak Chandra Gupta, Gladys Ferrere, Hélène Gilgenkrantz, Badr Kiaf, Amine Toubal, Lucie Beaudoin, Philippe Lettéron, Richard Moreau, Agnès Lehuen, and Sophie Lotersztajn

Subjects
Science
Abstract

Hepatic fibrosis represents the liver response to chronic injury and can lead to cirrhosis. Here the authors show that mucosal-associated invariant T cells mediate chronic inflammation and fibrogenesis in the liver by inducing a proinflammatory phenotype in macrophages and myofibroblasts and proliferation of the latter.

Published
2018
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19. MAIT cells altered phenotype and cytotoxicity in lupus patients are linked to renal disease severity and outcome

Author

Litvinova, Elena, primary, Bounaix, Carine, additional, Hanouna, Guillaume, additional, Da Silva, Jennifer, additional, Noailles, Laura, additional, Beaudoin, Lucie, additional, Padden, Michael, additional, Bellamri, Nessrine, additional, Lehuen, Agnès, additional, Daugas, Eric, additional, Monteiro, Renato C., additional, and Flament, Héloïse, additional

Published
2023
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25. Intestinal invalidation of the glucose transporter GLUT2 delays tissue distribution of glucose and reveals an unexpected role in gut homeostasis

Author

Schmitt, Charlotte C., Aranias, Thomas, Viel, Thomas, Chateau, Danielle, Le Gall, Maude, Waligora-Dupriet, Anne-Judith, Melchior, Chloé, Rouxel, Ophélie, Kapel, Nathalie, Gourcerol, Guillaume, Tavitian, Bertrand, Lehuen, Agnès, Brot-Laroche, Edith, Leturque, Armelle, Serradas, Patricia, and Grosfeld, Alexandra

Published
2017
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26. Deficiency and altered phenotype of mucosal-associated invariant T cells in systemic sclerosis

Author

Lesturgie-Talarek, Manon, Gonzalez, Virginie, Beaudoin, Lucie, Frantz, Camelia, Sénot, Noémie, Gouda, Zouriatou, Rousseau, Camille, Avouac, Jérôme, Lehuen, Agnès, and Allanore, Yannick

Abstract

Objective: Systemic sclerosis is an autoimmune disease characterized by fibrosis of the skin and internal organs including the lung. Mucosal-associated invariant T cells are innate-like T lymphocytes able to produce various cytokines and cytotoxic mediators such as granzyme B. A large body of evidence supports a role of mucosal-associated invariant T cells in autoimmune disease but more recent reports suggest also a potential role in fibrotic conditions. Therefore, we herein addressed the question as whether mucosal-associated invariant T cells may have an altered profile in systemic sclerosis.Methods: Mucosal-associated invariant T cell frequency was analyzed by flow cytometry, using fresh peripheral blood from 74 consecutive systemic sclerosis patients who were compared to 44 healthy donors. In addition, in-depth mucosal-associated invariant T cell phenotype and function were analyzed in unselected 29 women with systemic sclerosis who were compared to 23 healthy women donors.Results: Proportion of circulating mucosal-associated invariant T cells was significantly reduced by 68% in systemic sclerosis compared to healthy donors (0.78% in systemic sclerosis vs 2.5%, p< 0.0001). Within systemic sclerosis subsets, mucosal-associated invariant T cells were reduced in patients with interstitial lung disease (systemic sclerosis-interstitial lung disease) (0.56% vs 0.96% in patients without interstitial lung disease, p= 0.04). Moreover, in systemic sclerosis patients, mucosal-associated invariant T cells displayed an activated phenotype indicated by markedly increased CD69+mucosal-associated invariant T cell frequency (20% mucosal-associated invariant T cell CD69+compared to 9.4% in healthy donors, p= 0.0014). Interestingly, mucosal-associated invariant T cells from systemic sclerosis-interstitial lung disease patients had a more pronounced altered phenotype compared to systemic sclerosis without interstitial lung disease with a correlation between mucosal-associated invariant T cells expressing CCR6+and mucosal-associated invariant T cell frequency (r = 0.8, p= 0.006).Conclusion: Circulating mucosal-associated invariant T cells were reduced and exhibited an activated phenotype in systemic sclerosis patients. This peripheral mucosal-associated invariant T cell deficiency may be related to enhanced apoptosis and/or homing in inflamed tissue, particularly in systemic sclerosis-interstitial lung disease patients.

Published
2024
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28. IgA, IgA Receptors, and Their Anti-inflammatory Properties

Author

Mkaddem, Sanae Ben, Christou, Ivy, Rossato, Elisabetta, Berthelot, Laureline, Lehuen, Agnès, Monteiro, Renato C., Compans, Richard W, Series editor, Cooper, Max D., Series editor, Gleba, Yuri Y., Series editor, Honjo, Tasuku, Series editor, Oldstone, Michael B. A., Series editor, Vogt, Peter K., Series editor, Malissen, Bernard, Series editor, Aktories, Klaus, Series editor, Kawaoka, Yoshihiro, Series editor, Rappuoli, Rino, Series editor, Galan, Jorge E., Series editor, Ahmed, Rafi, Series editor, Daeron, Marc, editor, and Nimmerjahn, Falk, editor

Published
2014
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35. Macrophages and β‐cells are responsible for CXCR2‐mediated neutrophil infiltration of the pancreas during autoimmune diabetes

Author

Julien Diana and Agnès Lehuen

Subjects
autoimmunity, beta cell, diabetes, innate, neutrophil, Medicine (General), R5-920, Genetics, QH426-470
Abstract

Abstract Autoimmune type 1 diabetes (T1D) development results from the interaction between pancreatic β‐cells, and the innate and the adaptive immune systems culminating with the destruction of the insulin‐secreting β‐cells by autoreactive T cells. This diabetogenic course starts during the first postnatal weeks by the infiltration of the pancreatic islets by innate immune cells and particularly neutrophils. Here, we aim to determine the cellular and molecular mechanism leading to the recruitment of this neutrophils in the pancreatic islets of non‐obese diabetic (NOD) mice. Here, we show that neutrophil recruitment in the pancreatic islets is controlled by inflammatory macrophages and β‐cells themselves. Macrophages and β‐cells produce the chemokines CXCL1 and CXCL2, recruiting CXCR2‐expressing neutrophils from the blood to the pancreatic islets. We further show that pancreatic macrophages secrete IL‐1β‐inducing CXCR2 ligand production by the β‐cells. Finally, the blockade of neutrophil recruitment at early ages using CXCR2 antagonist dampens the diabetogenic T‐cell response and the later development of autoimmune diabetes, supporting the therapeutic potential of this approach.

Published
2014
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40. Mucosal-associated invariant T cell alterations in obese and type 2 diabetic patients

Author

Magalhaes, Isabelle, Pingris, Karine, Poitou, Christine, Bessoles, Stephanie, Venteclef, Nicolas, Kiaf, Badr, Beaudoin, Lucie, Da Silva, Jennifer, Allatif, Omran, Rossjohn, Jamie, Kjer-Nielsen, Lars, McCluskey, James, Ledoux, Severine, Genser, Laurent, Torcivia, Adriana, Soudais, Claire, Lantz, Olivier, Boitard, Christian, Aron-Wisnewsky, Judith, Larger, Etienne, Clement, Karine, and Lehuen, Agnes

Subjects
T cells -- Identification and classification, Obesity -- Development and progression, Type 2 diabetes -- Development and progression, Health care industry
Abstract

Obesity and type 2 diabetes (T2D) are associated with low-grade inflammation, activation of immune cells, and alterations of the gut microbiota. Mucosal-associated invariant T (MAIT) cells, which are innate-like T cells that recognize bacterial ligands, are present in blood and enriched in mucosal and inflamed tissues. Here, we analyzed MAIT cells in the blood and adipose tissues of patients with T2D and/or severe obesity. We determined that circulating MAIT cell frequency was dramatically decreased in both patient groups, and this population was even undetectable in some obese patients. Moreover, in both patient groups, circulating MAIT cells displayed an activated phenotype that was associated with elevated Th1 and Th17 cytokine production. In obese patients, MAIT cells were more abundant in adipose tissue than in the blood and exhibited a striking IL-17 profile. Bariatric surgery in obese patients not only improved their metabolic parameters but also increased circulating MAIT cell frequency at 3 months after surgery. Similarly, cytokine production by blood MAIT cells was strongly decreased after surgery. This study reveals profound MAIT cell abnormalities in patients harboring metabolic disorders, suggesting their potential role in these pathologies., Introduction Obesity is associated with low-grade inflammation in adipose tissue (AT) and dysfunctional adipocytes producing inflammatory molecules. The accumulation in AT of immune cells such as macrophages, lymphocytes, neutrophils, and [...]

Published
2015
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45. Outcome of SARS-CoV-2 infection linked to MAIT cell activation and cytotoxicity: evidence for an IL-18 dependent mechanism

Author

Renato Costa Monteiro, Christian Boitard, Maria Hurtado-Nedelec, Frédéric Pène, Héloïse Flament, Benjamin Terrier, Samuel Lebourgeois, Jean-François Timsit, Muriel Andrieu, Nadine Ajzenberg, Sandrine Luce, Jean-François Gautier, Jade Ghosn, Yazdan Yazdanpanah, Amine Toubal, Camille Rousseau, Agnès Lehuen, Diane Descamps, Léo Bertrand, Lucie Beaudoin, Karine Bailly, B Visseaux, Matthieu Rouland, Anaïs Vallet-Pichard, Pauline Soulard, Zouriatou Gouda, Centre de recherche sur l'Inflammation (CRI (UMR_S_1149 / ERL_8252 / U1149)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Dysfonctionnements Immunitaires [AP-HP Hôpital Bichat, Paris], AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Nord Val de Seine, Institut Cochin (IC UM3 (UMR 8104 / U1016)), Infection, Anti-microbiens, Modélisation, Evolution (IAME (UMR_S_1137 / U1137)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP)-Université Sorbonne Paris Nord, Service de Virologie [CHU Bichat], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de diabétologie [CHU Cochin], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Cochin [AP-HP], Département d'hépatologie [CHU Cochin], Institut National de la Santé et de la Recherche Médicale (INSERM)-Hôpital Cochin [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de diabétologie et d'endocrinologie [CHU Lariboisière], Hôpital Lariboisière-Fernand-Widal [APHP], Laboratoire d'Hématologie [Bichat], Laboratoire de Recherche Vasculaire Translationnelle (LVTS (UMR_S_1148 / U1148)), Medical Intensive Care Unit, AP-HP, Cochin University Hospital, Paris, France., Unité de Soins Intensifs [CHU Cochin], Service de médecine interne et centre de référence des maladies rares [CHU Cochin], Unité de soins intensifs médicaux et infectieux [AP-HP Hôpital Bichat-Claude-Bernard], Lehuen, Agnès, Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Université Sorbonne Paris Nord, Hôpital Cochin [AP-HP], and Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)

Subjects
0303 health sciences, [SDV.IMM] Life Sciences [q-bio]/Immunology, business.industry, Mechanism (biology), Cell, Phenotype, 3. Good health, 03 medical and health sciences, 0302 clinical medicine, medicine.anatomical_structure, Immune system, 030220 oncology & carcinogenesis, Immunology, Medicine, Cytotoxic T cell, [SDV.IMM]Life Sciences [q-bio]/Immunology, Interleukin 18, business, Cell activation, Cytotoxicity, 030304 developmental biology
Abstract

Immune system dysfunction is paramount in Coronavirus disease 2019 (COVID-19) severity and fatality rate. Mucosal-Associated Invariant T (MAIT) cells are innate-like T cells involved in mucosal immunity and protection against viral infections. Here, we studied the immune cell landscape, with emphasis on MAIT cells, in a cohort of 182 patients including patients at various stages of disease activity. A profound decrease of MAIT cell counts in blood of critically ill patients was observed. These cells showed a strongly activated and cytotoxic phenotype that positively correlated with circulating pro-inflammatory cytokines, notably IL-18. MAIT cell alterations markedly correlated with disease severity and patient mortality. SARS-CoV-2-infected macrophages activated MAIT cells in a cytokine-dependent manner involving an IFNα-dependent early phase and an IL-18-induced later phase. Therefore, altered MAIT cell phenotypes represent valuable biomarkers of disease severity and their therapeutic manipulation might prevent the inflammatory phase involved in COVID-19 aggravation.

Published
2020
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46. Guidelines for the use of flow cytometry and cell sorting in immunological studies (second edition)

Author

Lara Gibellini, Sussan Nourshargh, Susanna Cardell, Wlodzimierz Maslinski, Mar Felipo-Benavent, Florian Mair, Hans-Martin Jäck, Lilly Lopez, Klaus Warnatz, John Trowsdale, Diana Ordonez, Marcus Eich, William Hwang, Anne Cooke, Dirk Mielenz, Alberto Orfao, Winfried F. Pickl, Vladimir Benes, Alice Yue, T. Vincent Shankey, Maria Tsoumakidou, Virginia Litwin, Gelo Victoriano Dela Cruz, Andrea Cavani, Sara De Biasi, Larissa Nogueira Almeida, Jonathan J M Landry, Claudia Haftmann, Charlotte Esser, Ana Cumano, Anneke Wilharm, Francesco Dieli, Rudi Beyaert, Alessio Mazzoni, Burkhard Ludewig, Carlo Pucillo, Dirk H. Busch, Joe Trotter, Stipan Jonjić, Marc Veldhoen, Josef Spidlen, Aja M. Rieger, Dieter Adam, Srijit Khan, Todd A. Fehniger, Giuseppe Matarese, Maximilien Evrard, Christian Maueröder, Steffen Schmitt, Kristin A. Hogquist, Barry Moran, Raghavendra Palankar, Markus Feuerer, S Schmid, Susann Rahmig, Amy E. Lovett-Racke, James V. Watson, Megan K. Levings, Susanne Melzer, Dinko Pavlinic, Christopher M. Harpur, Christina Stehle, A. Graham Pockley, Toshinori Nakayama, Attila Tárnok, Juhao Yang, Michael Lohoff, Paulo Vieira, Francisco Sala-de-Oyanguren, Christian Kurts, Anastasia Gangaev, Alfonso Blanco, Hans Scherer, Regine J. Dress, Bruno Silva-Santos, Kiyoshi Takeda, Bimba F. Hoyer, Ilenia Cammarata, Daryl Grummitt, Isabel Panse, Günnur Deniz, Bianka Baying, Friederike Ebner, Esther Schimisky, Leo Hansmann, Thomas Kamradt, Edwin van der Pol, Daniel Scott-Algara, Anna Iannone, Giorgia Alvisi, Sebastian R. Schulz, Francesco Liotta, Irmgard Förster, Beatriz Jávega, Hans-Peter Rahn, Caetano Reis e Sousa, Livius Penter, Xuetao Cao, David P. Sester, Keisuke Goda, Peter Wurst, Iain B. McInnes, Ricardo T. Gazzinelli, Federica Piancone, Gerald Willimsky, Yotam Raz, Pärt Peterson, Wolfgang Fritzsche, Yvonne Samstag, Martin Büscher, Thomas Schüler, Susanne Hartmann, Robert J. Wilkinson, Anna E. S. Brooks, Steven L. C. Ketelaars, Catherine Sautès-Fridman, Anna Rubartelli, Petra Bacher, Katja Kobow, Marco A. Cassatella, Andrea Hauser, Henrik E. Mei, Kilian Schober, Silvia Della Bella, Graham Anderson, Michael D. Ward, Garth Cameron, Sebastian Lunemann, Katharina Kriegsmann, Katarzyna M. Sitnik, Brice Gaudilliere, Chantip Dang-Heine, Marcello Pinti, Paul Klenerman, Frank A. Schildberg, Joana Barros-Martins, Laura G. Rico, Hanlin Zhang, Christian Münz, Thomas Dörner, Jakob Zimmermann, Andrea M. Cooper, Jonni S. Moore, Andreas Diefenbach, Yanling Liu, Wolfgang Bauer, Tobit Steinmetz, Katharina Pracht, Leonard Tan, Peter K. Jani, Alan M. Stall, Petra Hoffmann, Christine S. Falk, Jasmin Knopf, Simon Fillatreau, Hans-Dieter Volk, Luis E. Muñoz, David L. Haviland, William W. Agace, Jonathan Rebhahn, Ljiljana Cvetkovic, Mohamed Trebak, Jordi Petriz, Mario Clerici, Diether J. Recktenwald, Anders Ståhlberg, Tristan Holland, Helen M. McGuire, Sa A. Wang, Christian Kukat, Thomas Kroneis, Laura Cook, Wan Ting Kong, Xin M. Wang, Britta Engelhardt, Pierre Coulie, Genny Del Zotto, Sally A. Quataert, Kata Filkor, Gabriele Multhoff, Bartek Rajwa, Federica Calzetti, Hans Minderman, Cosima T. Baldari, Jens Geginat, Hervé Luche, Gert Van Isterdael, Linda Schadt, Sophia Urbanczyk, Giovanna Borsellino, Liping Yu, Dale I. Godfrey, Achille Anselmo, Rachael C. Walker, Andreas Grützkau, David W. Hedley, Birgit Sawitzki, Silvia Piconese, Maria Yazdanbakhsh, Burkhard Becher, Ramon Bellmas Sanz, Michael Delacher, Hyun-Dong Chang, Immanuel Andrä, Hans-Gustaf Ljunggren, José-Enrique O'Connor, Ahad Khalilnezhad, Sharon Sanderson, Federico Colombo, Götz R. A. Ehrhardt, Inga Sandrock, Enrico Lugli, Christian Bogdan, James B. Wing, Susann Müller, Tomohiro Kurosaki, Derek Davies, Ester B. M. Remmerswaal, Kylie M. Quinn, Christopher A. Hunter, Andreas Radbruch, Timothy P. Bushnell, Anna Erdei, Sabine Adam-Klages, Pascale Eede, Van Duc Dang, Rieke Winkelmann, Thomas Korn, Gemma A. Foulds, Dirk Baumjohann, Matthias Schiemann, Manfred Kopf, Jan Kisielow, Lisa Richter, Jochen Huehn, Gloria Martrus, Alexander Scheffold, Jessica G. Borger, Sidonia B G Eckle, John Bellamy Foster, Anna Katharina Simon, Alicia Wong, Mübeccel Akdis, Gisa Tiegs, Toralf Kaiser, James McCluskey, Anna Vittoria Mattioli, Aaron J. Marshall, Hui-Fern Koay, Eva Orlowski-Oliver, Anja E. Hauser, J. Paul Robinson, Jay K. Kolls, Luca Battistini, Mairi McGrath, Jane L. Grogan, Natalio Garbi, Timothy Tree, Kingston H. G. Mills, Stefan H. E. Kaufmann, Wolfgang Schuh, Ryan R. Brinkman, Tim R. Mosmann, Vincenzo Barnaba, Andreas Dolf, Lorenzo Cosmi, Bo Huang, Andreia C. Lino, Baerbel Keller, René A. W. van Lier, Alexandra J. Corbett, Paul S. Frenette, Pleun Hombrink, Helena Radbruch, Sofie Van Gassen, Olivier Lantz, Lorenzo Moretta, Désirée Kunkel, Kirsten A. Ward-Hartstonge, Armin Saalmüller, Leslie Y. T. Leung, Salvador Vento-Asturias, Paola Lanuti, Alicia Martínez-Romero, Sarah Warth, Zhiyong Poon, Diana Dudziak, Andrea Cossarizza, Kovit Pattanapanyasat, Konrad von Volkmann, Jessica P. Houston, Agnès Lehuen, Andrew Filby, Pratip K. Chattopadhyay, Stefano Casola, Annika Wiedemann, Hannes Stockinger, Jürgen Ruland, Arturo Zychlinsky, Claudia Waskow, Katrin Neumann, Ari Waisman, Lucienne Chatenoud, Sudipto Bari, Kamran Ghoreschi, David W. Galbraith, Yvan Saeys, Hamida Hammad, Andrea Gori, Miguel López-Botet, Gabriel Núñez, Sabine Ivison, Michael Hundemer, Dorothea Reimer, Mark C. Dessing, Günter J. Hämmerling, Rudolf A. Manz, Tomas Kalina, Jonas Hahn, Holden T. Maecker, Hendy Kristyanto, Martin S. Davey, Henning Ulrich, Michael L. Dustin, Takashi Saito, Yousuke Takahama, Milena Nasi, Johanna Huber, Jürgen Wienands, Paolo Dellabona, Andreas Schlitzer, Michael D. Leipold, Kerstin H. Mair, Christian Peth, Immo Prinz, Chiara Romagnani, José M. González-Navajas, Josephine Schlosser, Marina Saresella, Matthias Edinger, Dirk Brenner, Nicole Baumgarth, Rikard Holmdahl, Fang-Ping Huang, Guadalupe Herrera, Malte Paulsen, Gergely Toldi, Luka Cicin-Sain, Reiner Schulte, Christina E. Zielinski, Thomas Winkler, Christoph Goettlinger, Philip E. Boulais, Jennie H M Yang, Antonio Celada, Heike Kunze-Schumacher, Julia Tornack, Florian Ingelfinger, Jenny Mjösberg, Andy Riddell, Leonie Wegener, Thomas Höfer, Christoph Hess, James P. Di Santo, Anna E. Oja, J. Kühne, Willem van de Veen, Mary Bebawy, Alberto Mantovani, Bart Everts, Giovanna Lombardi, Laura Maggi, Anouk von Borstel, Pia Kvistborg, Elisabetta Traggiai, A Ochel, Nima Aghaeepour, Charles-Antoine Dutertre, Matthieu Allez, Thomas Höllt, Wenjun Ouyang, Regina Stark, Maries van den Broek, Shimon Sakaguchi, Paul K. Wallace, Silvano Sozzani, Francesca LaRosa, Annette Oxenius, Malgorzata J. Podolska, Ivana Marventano, Wilhelm Gerner, Oliver F. Wirz, Britta Frehse, Gevitha Ravichandran, Martin Herrmann, Carl S. Goodyear, Gary Warnes, Helen Ferry, Stefan Frischbutter, Tim R. Radstake, Salomé LeibundGut-Landmann, Yi Zhao, Axel Schulz, Angela Santoni, Pablo Engel, Daniela C. Hernández, Andreas Acs, Cristiano Scottà, Francesco Annunziato, Thomas Weisenburger, Wolfgang Beisker, Sue Chow, Fritz Melchers, Daniel E. Speiser, Immanuel Kwok, Florent Ginhoux, Dominic A. Boardman, Natalie Stanley, Carsten Watzl, Marie Follo, Erik Lubberts, Andreas Krueger, Susanne Ziegler, Göran K. Hansson, David Voehringer, Antonia Niedobitek, Eleni Christakou, Lai Guan Ng, Sabine Baumgart, Nicholas A Gherardin, Antonio Cosma, Orla Maguire, Jolene Bradford, Daniel Schraivogel, Linda Quatrini, Stephen D. Miller, Rheumatology, Università degli Studi di Modena e Reggio Emilia (UNIMORE), Deutsches Rheuma-ForschungsZentrum (DRFZ), Deutsches Rheuma-ForschungsZentrum, Swiss Institute of Allergy and Asthma Research (SIAF), Universität Zürich [Zürich] = University of Zurich (UZH), Institut de Recherche Saint-Louis - Hématologie Immunologie Oncologie (Département de recherche de l’UFR de médecine, ex- Institut Universitaire Hématologie-IUH) (IRSL), Université de Paris (UP), Ecotaxie, microenvironnement et développement lymphocytaire (EMily (UMR_S_1160 / U1160)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Paris (UP), Department of Internal Medicine, Università degli Studi di Firenze = University of Florence [Firenze] (UNIFI)-DENOTHE Center, Institute of Clinical Molecular Biology, Kiel University, Department of Life Sciences [Siena, Italy], Università degli Studi di Siena = University of Siena (UNISI), Institut Pasteur, Fondation Cenci Bolognetti - Istituto Pasteur Italia, Fondazione Cenci Bolognetti, Réseau International des Instituts Pasteur (RIIP), Dulbecco Telethon Institute/Department of Biology, Caprotec Bioanalytics GmbH, International Occultation Timing Association European Section (IOTA ES), International Occultation Timing Association European Section, European Molecular Biology Laboratory [Heidelberg] (EMBL), VIB-UGent Center for Inflammation Research [Gand, Belgique] (IRC), VIB [Belgium], Fondazione Santa Lucia (IRCCS), Department of Immunology, Chinese Academy of Medical Sciences, FIRC Institute of Molecular Oncology Foundation, IFOM, Istituto FIRC di Oncologia Molecolare (IFOM), Institut Necker Enfants-Malades (INEM - UM 111 (UMR 8253 / U1151)), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Department of Physiopatology and Transplantation, University of Milan (DEPT), University of Milan, Monash University [Clayton], Institut des Maladies Emergentes et des Thérapies Innovantes (IMETI), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Institute of Cellular Pathology, Université Catholique de Louvain = Catholic University of Louvain (UCL), Lymphopoïèse (Lymphopoïèse (UMR_1223 / U1223 / U-Pasteur_4)), Institut Pasteur [Paris]-Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), Experimental Immunology Unit, Dept. of Oncology, DIBIT San Raffaele Scientific Institute, Immunité Innée - Innate Immunity, Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Pasteur [Paris], Charité - UniversitätsMedizin = Charité - University Hospital [Berlin], Department of Biopharmacy [Bruxelles, Belgium] (Institute for Medical Immunology IMI), Université libre de Bruxelles (ULB), Charité Hospital, Humboldt-Universität zu Berlin, Agency for science, technology and research [Singapore] (A*STAR), Laboratory of Molecular Immunology and the Howard Hughes Institute, Rockefeller University [New York], Kennedy Institute of Rheumatology [Oxford, UK], Imperial College London, Theodor Kocher Institute, University of Bern, Leibniz Research Institute for Environmental Medicine [Düsseldorf, Germany] ( IUF), Université Lumière - Lyon 2 (UL2), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), University of Edinburgh, Integrative Biology Program [Milano], Istituto Nazionale Genetica Molecolare [Milano] (INGM), Singapore Immunology Network (SIgN), Biomedical Sciences Institute (BMSI), Universitat de Barcelona (UB), Rheumatologie, Cell Biology, Department of medicine [Stockholm], Karolinska Institutet [Stockholm]-Karolinska University Hospital [Stockholm], Department for Internal Medicine 3, Institute for Clinical Immunology, Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Delft University of Technology (TU Delft), Medical Inflammation Research, Karolinska Institutet [Stockholm], Department of Photonics Engineering [Lyngby], Technical University of Denmark [Lyngby] (DTU), Dpt of Experimental Immunology [Braunschweig], Helmholtz Centre for Infection Research (HZI), Department of Internal Medicine V, Universität Heidelberg [Heidelberg], Department of Histology and Embryology, University of Rijeka, Freiburg University Medical Center, Nuffield Dept of Clinical Medicine, University of Oxford [Oxford]-NIHR Biomedical Research Centre, Institute of Integrative Biology, Molecular Biomedicine, Berlin Institute of Health (BIH), Laboratory for Lymphocyte Differentiation, RIKEN Research Center, Institutes of Molecular Medicine and Experimental Immunology, University of Bonn, Immunité et cancer (U932), Institut Curie [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Cochin (IC UM3 (UMR 8104 / U1016)), Department of Surgery [Vancouver, BC, Canada] (Child and Family Research Institute), University of British Columbia (UBC)-Child and Family Research Institute [Vancouver, BC, Canada], College of Food Science and Technology [Shangai], Shanghai Ocean University, Institute for Medical Microbiology and Hygiene, University of Marburg, King‘s College London, Erasmus University Medical Center [Rotterdam] (Erasmus MC), Centre d'Immunophénomique (CIPHE), Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Brustzentrum Kantonsspital St. Gallen, Immunotechnology Section, Vaccine Research Center, National Institutes of Health [Bethesda] (NIH)-National Institute of Allergy and Infectious Diseases, Heinrich Pette Institute [Hamburg], Università degli Studi di Firenze = University of Florence [Firenze] (UNIFI), Department of Immunology and Cell Biology, Mario Negri Institute, Laboratory of Molecular Medicine and Biotechnology, Don C. Gnocchi ONLUS Foundation, Institute of Translational Medicine, Klinik für Dermatologie, Venerologie und Allergologie, School of Biochemistry and Immunology, Department of Medicine Huddinge, Karolinska Institutet [Stockholm]-Karolinska University Hospital [Stockholm]-Lipid Laboratory, Università di Genova, Dipartimento di Medicina Sperimentale, Department of Environmental Microbiology, Helmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research (UFZ), Department of Radiation Oncology [Munich], Ludwig-Maximilians-Universität München (LMU), Centre de Recherche Publique- Santé, Université du Luxembourg (Uni.lu), William Harvey Research Institute, Barts and the London Medical School, University of Michigan [Ann Arbor], University of Michigan System, Centro de Investigacion del Cancer (CSIC), Universitario de Salamanca, Molecular Pathology [Tartu, Estonia], University of Tartu, Hannover Medical School [Hannover] (MHH), Centre d'Immunologie de Marseille - Luminy (CIML), Monash Biomedicine Discovery Institute, Cytometry Laboratories and School of Veterinary Medicine, Purdue University [West Lafayette], Data Mining and Modelling for Biomedicine [Ghent, Belgium], VIB Center for Inflammation Research [Ghent, Belgium], Laboratory for Cell Signaling, RIKEN Research Center for Allergy and Immunology, RIKEN Research Center for Allergy and Immunology, Osaka University [Osaka], Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome], Centre de Recherche des Cordeliers (CRC (UMR_S_1138 / U1138)), École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université de Paris (UP), Institute of Medical Immunology [Berlin, Germany], FACS and Array Core Facility, Johannes Gutenberg - Universität Mainz (JGU), Otto-von-Guericke University [Magdeburg] (OVGU), SUPA School of Physics and Astronomy [University of St Andrews], University of St Andrews [Scotland]-Scottish Universities Physics Alliance (SUPA), Biologie Cellulaire des Lymphocytes - Lymphocyte Cell Biology, Institut Pasteur [Paris]-Institut National de la Santé et de la Recherche Médicale (INSERM), General Pathology and Immunology (GPI), University of Brescia, Université de Lausanne (UNIL), Terry Fox Laboratory, BC Cancer Agency (BCCRC)-British Columbia Cancer Agency Research Centre, Department of Molecular Immunology, Medizinische Universität Wien = Medical University of Vienna, Dept. Pediatric Cardiology, Universität Leipzig [Leipzig], Universitaetsklinikum Hamburg-Eppendorf = University Medical Center Hamburg-Eppendorf [Hamburg] (UKE), Center for Cardiovascular Sciences, Albany Medical College, Dept Pathol, Div Immunol, University of Cambridge [UK] (CAM), Department of Information Technology [Gent], Universiteit Gent, Department of Plant Systems Biology, Department of Plant Biotechnology and Genetics, Universiteit Gent = Ghent University [Belgium] (UGENT), Division of Molecular Immunology, Institute for Immunology, Department of Geological Sciences, University of Oregon [Eugene], Centers for Disease Control and Prevention [Atlanta] (CDC), Centers for Disease Control and Prevention, University of Colorado [Colorado Springs] (UCCS), FACS laboratory, Cancer Research, London, Cancer Research UK, Regeneration in Hematopoiesis and Animal Models of Hematopoiesis, Faculty of Medicine, Dresden University of Technology, Barbara Davis Center for Childhood Diabetes (BDC), University of Colorado Anschutz [Aurora], School of Computer and Electronic Information [Guangxi University], Guangxi University [Nanning], School of Materials Science and Engineering, Nanyang Technological University [Singapour], Max Planck Institute for Infection Biology (MPIIB), Max-Planck-Gesellschaft, Work in the laboratory of Dieter Adam is supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)—Projektnummer 125440785 – SFB 877, Project B2.Petra Hoffmann, Andrea Hauser, and Matthias Edinger thank BD Biosciences®, San José, CA, USA, and SKAN AG, Bale, Switzerland for fruitful cooperation during the development, construction, and installation of the GMP‐compliant cell sorting equipment and the Bavarian Immune Therapy Network (BayImmuNet) for financial support.Edwin van der Pol and Paola Lanuti acknowledge Aleksandra Gąsecka M.D. for excellent experimental support and Dr. Rienk Nieuwland for textual suggestions. This work was supported by the Netherlands Organisation for Scientific Research – Domain Applied and Engineering Sciences (NWO‐TTW), research program VENI 15924.Jessica G Borger, Kylie M Quinn, Mairi McGrath, and Regina Stark thank Francesco Siracusa and Patrick Maschmeyer for providing data.Larissa Nogueira Almeida was supported by DFG research grant MA 2273/14‐1. Rudolf A. Manz was supported by the Excellence Cluster 'Inflammation at Interfaces' (EXC 306/2).Susanne Hartmann and Friederike Ebner were supported by the German Research Foundation (GRK 2046).Hans Minderman was supported by NIH R50CA211108.This work was funded by the Deutsche Forschungsgemeinschaft through the grant TRR130 (project P11 and C03) to Thomas H. Winkler.Ramon Bellmàs Sanz, Jenny Kühne, and Christine S. Falk thank Jana Keil and Kerstin Daemen for excellent technical support. The work was funded by the Germany Research Foundation CRC738/B3 (CSF).The work by the Mei laboratory was supported by German Research Foundation Grant ME 3644/5‐1 and TRR130 TP24, the German Rheumatism Research Centre Berlin, European Union Innovative Medicines Initiative ‐ Joint Undertaking ‐ RTCure Grant Agreement 777357, the Else Kröner‐Fresenius‐Foundation, German Federal Ministry of Education and Research e:Med sysINFLAME Program Grant 01ZX1306B and KMU‐innovativ 'InnoCyt', and the Leibniz Science Campus for Chronic Inflammation (http://www.chronische-entzuendung.org).Axel Ronald Schulz, Antonio Cosma, Sabine Baumgart, Brice Gaudilliere, Helen M. McGuire, and Henrik E. Mei thank Michael D. Leipold for critically reading the manuscript.Christian Kukat acknowledges support from the ISAC SRL Emerging Leaders program.John Trowsdale received funding from the European Research Council under the European Union's Horizon 2020 research and innovation program (Grant Agreement 695551)., European Project: 7728036(1978), Università degli Studi di Modena e Reggio Emilia = University of Modena and Reggio Emilia (UNIMORE), Université Paris Cité (UPCité), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Università degli Studi di Firenze = University of Florence (UniFI)-DENOTHE Center, Università degli Studi di Milano = University of Milan (UNIMI), Institut Pasteur [Paris] (IP)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut Pasteur [Paris] (IP)-Institut National de la Santé et de la Recherche Médicale (INSERM), Humboldt University Of Berlin, Leibniz Research Institute for Environmental Medicine [Düsseldorf, Germany] (IUF), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Danmarks Tekniske Universitet = Technical University of Denmark (DTU), Universität Heidelberg [Heidelberg] = Heidelberg University, Universitäts Klinikum Freiburg = University Medical Center Freiburg (Uniklinik), University of Oxford-NIHR Biomedical Research Centre, Universität Bonn = University of Bonn, Università degli Studi di Firenze = University of Florence (UniFI), Università degli studi di Genova = University of Genoa (UniGe), Universidad de Salamanca, Università degli Studi di Roma 'La Sapienza' = Sapienza University [Rome] (UNIROMA), École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Sorbonne Université (SU)-Université Paris Cité (UPCité), Johannes Gutenberg - Universität Mainz = Johannes Gutenberg University (JGU), Otto-von-Guericke-Universität Magdeburg = Otto-von-Guericke University [Magdeburg] (OVGU), Université de Lausanne = University of Lausanne (UNIL), Universität Leipzig, Universiteit Gent = Ghent University (UGENT), HZI,Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstr. 7,38124 Braunschweig, Germany., Cossarizza, A., Chang, H. -D., Radbruch, A., Acs, A., Adam, D., Adam-Klages, S., Agace, W. W., Aghaeepour, N., Akdis, M., Allez, M., Almeida, L. N., Alvisi, G., Anderson, G., Andra, I., Annunziato, F., Anselmo, A., Bacher, P., Baldari, C. T., Bari, S., Barnaba, V., Barros-Martins, J., Battistini, L., Bauer, W., Baumgart, S., Baumgarth, N., Baumjohann, D., Baying, B., Bebawy, M., Becher, B., Beisker, W., Benes, V., Beyaert, R., Blanco, A., Boardman, D. A., Bogdan, C., Borger, J. G., Borsellino, G., Boulais, P. E., Bradford, J. A., Brenner, D., Brinkman, R. R., Brooks, A. E. S., Busch, D. H., Buscher, M., Bushnell, T. P., Calzetti, F., Cameron, G., Cammarata, I., Cao, X., Cardell, S. L., Casola, S., Cassatella, M. A., Cavani, A., Celada, A., Chatenoud, L., Chattopadhyay, P. K., Chow, S., Christakou, E., Cicin-Sain, L., Clerici, M., Colombo, F. S., Cook, L., Cooke, A., Cooper, A. M., Corbett, A. J., Cosma, A., Cosmi, L., Coulie, P. G., Cumano, A., Cvetkovic, L., Dang, V. D., Dang-Heine, C., Davey, M. S., Davies, D., De Biasi, S., Del Zotto, G., Dela Cruz, G. V., Delacher, M., Della Bella, S., Dellabona, P., Deniz, G., Dessing, M., Di Santo, J. P., Diefenbach, A., Dieli, F., Dolf, A., Dorner, T., Dress, R. J., Dudziak, D., Dustin, M., Dutertre, C. -A., Ebner, F., Eckle, S. B. G., Edinger, M., Eede, P., Ehrhardt, G. R. A., Eich, M., Engel, P., Engelhardt, B., Erdei, A., Esser, C., Everts, B., Evrard, M., Falk, C. S., Fehniger, T. A., Felipo-Benavent, M., Ferry, H., Feuerer, M., Filby, A., Filkor, K., Fillatreau, S., Follo, M., Forster, I., Foster, J., Foulds, G. A., Frehse, B., Frenette, P. S., Frischbutter, S., Fritzsche, W., Galbraith, D. W., Gangaev, A., Garbi, N., Gaudilliere, B., Gazzinelli, R. T., Geginat, J., Gerner, W., Gherardin, N. A., Ghoreschi, K., Gibellini, L., Ginhoux, F., Goda, K., Godfrey, D. I., Goettlinger, C., Gonzalez-Navajas, J. M., Goodyear, C. S., Gori, A., Grogan, J. L., Grummitt, D., Grutzkau, A., Haftmann, C., Hahn, J., Hammad, H., Hammerling, G., Hansmann, L., Hansson, G., Harpur, C. M., Hartmann, S., Hauser, A., Hauser, A. E., Haviland, D. L., Hedley, D., Hernandez, D. C., Herrera, G., Herrmann, M., Hess, C., Hofer, T., Hoffmann, P., Hogquist, K., Holland, T., Hollt, T., Holmdahl, R., Hombrink, P., Houston, J. P., Hoyer, B. F., Huang, B., Huang, F. -P., Huber, J. E., Huehn, J., Hundemer, M., Hunter, C. A., Hwang, W. Y. K., Iannone, A., Ingelfinger, F., Ivison, S. M., Jack, H. -M., Jani, P. K., Javega, B., Jonjic, S., Kaiser, T., Kalina, T., Kamradt, T., Kaufmann, S. H. E., Keller, B., Ketelaars, S. L. C., Khalilnezhad, A., Khan, S., Kisielow, J., Klenerman, P., Knopf, J., Koay, H. -F., Kobow, K., Kolls, J. K., Kong, W. T., Kopf, M., Korn, T., Kriegsmann, K., Kristyanto, H., Kroneis, T., Krueger, A., Kuhne, J., Kukat, C., Kunkel, D., Kunze-Schumacher, H., Kurosaki, T., Kurts, C., Kvistborg, P., Kwok, I., Landry, J., Lantz, O., Lanuti, P., Larosa, F., Lehuen, A., LeibundGut-Landmann, S., Leipold, M. D., Leung, L. Y. T., Levings, M. K., Lino, A. C., Liotta, F., Litwin, V., Liu, Y., Ljunggren, H. -G., Lohoff, M., Lombardi, G., Lopez, L., Lopez-Botet, M., Lovett-Racke, A. E., Lubberts, E., Luche, H., Ludewig, B., Lugli, E., Lunemann, S., Maecker, H. T., Maggi, L., Maguire, O., Mair, F., Mair, K. H., Mantovani, A., Manz, R. A., Marshall, A. J., Martinez-Romero, A., Martrus, G., Marventano, I., Maslinski, W., Matarese, G., Mattioli, A. V., Maueroder, C., Mazzoni, A., Mccluskey, J., Mcgrath, M., Mcguire, H. M., Mcinnes, I. B., Mei, H. E., Melchers, F., Melzer, S., Mielenz, D., Miller, S. D., Mills, K. H. G., Minderman, H., Mjosberg, J., Moore, J., Moran, B., Moretta, L., Mosmann, T. R., Muller, S., Multhoff, G., Munoz, L. E., Munz, C., Nakayama, T., Nasi, M., Neumann, K., Ng, L. G., Niedobitek, A., Nourshargh, S., Nunez, G., O'Connor, J. -E., Ochel, A., Oja, A., Ordonez, D., Orfao, A., Orlowski-Oliver, E., Ouyang, W., Oxenius, A., Palankar, R., Panse, I., Pattanapanyasat, K., Paulsen, M., Pavlinic, D., Penter, L., Peterson, P., Peth, C., Petriz, J., Piancone, F., Pickl, W. F., Piconese, S., Pinti, M., Pockley, A. G., Podolska, M. J., Poon, Z., Pracht, K., Prinz, I., Pucillo, C. E. M., Quataert, S. A., Quatrini, L., Quinn, K. M., Radbruch, H., Radstake, T. R. D. J., Rahmig, S., Rahn, H. -P., Rajwa, B., Ravichandran, G., Raz, Y., Rebhahn, J. A., Recktenwald, D., Reimer, D., Reis e Sousa, C., Remmerswaal, E. B. M., Richter, L., Rico, L. G., Riddell, A., Rieger, A. M., Robinson, J. P., Romagnani, C., Rubartelli, A., Ruland, J., Saalmuller, A., Saeys, Y., Saito, T., Sakaguchi, S., Sala-de-Oyanguren, F., Samstag, Y., Sanderson, S., Sandrock, I., Santoni, A., Sanz, R. B., Saresella, M., Sautes-Fridman, C., Sawitzki, B., Schadt, L., Scheffold, A., Scherer, H. U., Schiemann, M., Schildberg, F. A., Schimisky, E., Schlitzer, A., Schlosser, J., Schmid, S., Schmitt, S., Schober, K., Schraivogel, D., Schuh, W., Schuler, T., Schulte, R., Schulz, A. R., Schulz, S. R., Scotta, C., Scott-Algara, D., Sester, D. P., Shankey, T. V., Silva-Santos, B., Simon, A. K., Sitnik, K. M., Sozzani, S., Speiser, D. E., Spidlen, J., Stahlberg, A., Stall, A. M., Stanley, N., Stark, R., Stehle, C., Steinmetz, T., Stockinger, H., Takahama, Y., Takeda, K., Tan, L., Tarnok, A., Tiegs, G., Toldi, G., Tornack, J., Traggiai, E., Trebak, M., Tree, T. I. M., Trotter, J., Trowsdale, J., Tsoumakidou, M., Ulrich, H., Urbanczyk, S., van de Veen, W., van den Broek, M., van der Pol, E., Van Gassen, S., Van Isterdael, G., van Lier, R. A. W., Veldhoen, M., Vento-Asturias, S., Vieira, P., Voehringer, D., Volk, H. -D., von Borstel, A., von Volkmann, K., Waisman, A., Walker, R. V., Wallace, P. K., Wang, S. A., Wang, X. M., Ward, M. D., Ward-Hartstonge, K. A., Warnatz, K., Warnes, G., Warth, S., Waskow, C., Watson, J. V., Watzl, C., Wegener, L., Weisenburger, T., Wiedemann, A., Wienands, J., Wilharm, A., Wilkinson, R. J., Willimsky, G., Wing, J. B., Winkelmann, R., Winkler, T. H., Wirz, O. F., Wong, A., Wurst, P., Yang, J. H. M., Yang, J., Yazdanbakhsh, M., Yu, L., Yue, A., Zhang, H., Zhao, Y., Ziegler, S. M., Zielinski, C., Zimmermann, J., Zychlinsky, A., UCL - SSS/DDUV - Institut de Duve, UCL - SSS/DDUV/GECE - Génétique cellulaire, Netherlands Organization for Scientific Research, German Research Foundation, European Commission, European Research Council, Repositório da Universidade de Lisboa, CCA - Imaging and biomarkers, Experimental Immunology, AII - Infectious diseases, AII - Inflammatory diseases, Biomedical Engineering and Physics, ACS - Atherosclerosis & ischemic syndromes, and Landsteiner Laboratory

Subjects
0301 basic medicine, Consensus, Immunology, Consensu, Cell Separation, Biology, Article, Flow cytometry, 03 medical and health sciences, 0302 clinical medicine, Guidelines, Allergy and Immunology, medicine, Cell separation, Immunology and Allergy, Humans, guidelines, flow cytometry, immunology, medicine.diagnostic_test, BIOMEDICINE AND HEALTHCARE. Basic Medical Sciences, Cell sorting, Flow Cytometry, Cell selection, Data science, 3. Good health, 030104 developmental biology, Phenotype, [SDV.IMM]Life Sciences [q-bio]/Immunology, BIOMEDICINA I ZDRAVSTVO. Temeljne medicinske znanosti, 030215 immunology, Human
Abstract

All authors: Andrea Cossarizza Hyun‐Dong Chang Andreas Radbruch Andreas Acs Dieter Adam Sabine Adam‐Klages William W. Agace Nima Aghaeepour Mübeccel Akdis Matthieu Allez Larissa Nogueira Almeida Giorgia Alvisi Graham Anderson Immanuel Andrä Francesco Annunziato Achille Anselmo Petra Bacher Cosima T. Baldari Sudipto Bari Vincenzo Barnaba Joana Barros‐Martins Luca Battistini Wolfgang Bauer Sabine Baumgart Nicole Baumgarth Dirk Baumjohann Bianka Baying Mary Bebawy Burkhard Becher Wolfgang Beisker Vladimir Benes Rudi Beyaert Alfonso Blanco Dominic A. Boardman Christian Bogdan Jessica G. Borger Giovanna Borsellino Philip E. Boulais Jolene A. Bradford Dirk Brenner Ryan R. Brinkman Anna E. S. Brooks Dirk H. Busch Martin Büscher Timothy P. Bushnell Federica Calzetti Garth Cameron Ilenia Cammarata Xuetao Cao Susanna L. Cardell Stefano Casola Marco A. Cassatella Andrea Cavani Antonio Celada Lucienne Chatenoud Pratip K. Chattopadhyay Sue Chow Eleni Christakou Luka Čičin‐Šain Mario Clerici Federico S. Colombo Laura Cook Anne Cooke Andrea M. Cooper Alexandra J. Corbett Antonio Cosma Lorenzo Cosmi Pierre G. Coulie Ana Cumano Ljiljana Cvetkovic Van Duc Dang Chantip Dang‐Heine Martin S. Davey Derek Davies Sara De Biasi Genny Del Zotto Gelo Victoriano Dela Cruz Michael Delacher Silvia Della Bella Paolo Dellabona Günnur Deniz Mark Dessing James P. Di Santo Andreas Diefenbach Francesco Dieli Andreas Dolf Thomas Dörner Regine J. Dress Diana Dudziak Michael Dustin Charles‐Antoine Dutertre Friederike Ebner Sidonia B. G. Eckle Matthias Edinger Pascale Eede Götz R.A. Ehrhardt Marcus Eich Pablo Engel Britta Engelhardt Anna Erdei Charlotte Esser Bart Everts Maximilien Evrard Christine S. Falk Todd A. Fehniger Mar Felipo‐Benavent Helen Ferry Markus Feuerer Andrew Filby Kata Filkor Simon Fillatreau Marie Follo Irmgard Förster John Foster Gemma A. Foulds Britta Frehse Paul S. Frenette Stefan Frischbutter Wolfgang Fritzsche David W. Galbraith Anastasia Gangaev Natalio Garbi Brice Gaudilliere Ricardo T. Gazzinelli Jens Geginat Wilhelm Gerner Nicholas A. Gherardin Kamran Ghoreschi Lara Gibellini Florent Ginhoux Keisuke Goda Dale I. Godfrey Christoph Goettlinger Jose M. González‐Navajas Carl S. Goodyear Andrea Gori Jane L. Grogan Daryl Grummitt Andreas Grützkau Claudia Haftmann Jonas Hahn Hamida Hammad Günter Hämmerling Leo Hansmann Goran Hansson Christopher M. Harpur Susanne Hartmann Andrea Hauser Anja E. Hauser David L. Haviland David Hedley Daniela C. Hernández Guadalupe Herrera Martin Herrmann Christoph Hess Thomas Höfer Petra Hoffmann Kristin Hogquist Tristan Holland Thomas Höllt Rikard Holmdahl Pleun Hombrink Jessica P. Houston Bimba F. Hoyer Bo Huang Fang‐Ping Huang Johanna E. Huber Jochen Huehn Michael Hundemer Christopher A. Hunter William Y. K. Hwang Anna Iannone Florian Ingelfinger Sabine M Ivison Hans‐Martin Jäck Peter K. Jani Beatriz Jávega Stipan Jonjic Toralf Kaiser Tomas Kalina Thomas Kamradt Stefan H. E. Kaufmann Baerbel Keller Steven L. C. Ketelaars Ahad Khalilnezhad Srijit Khan Jan Kisielow Paul Klenerman Jasmin Knopf Hui‐Fern Koay Katja Kobow Jay K. Kolls Wan Ting Kong Manfred Kopf Thomas Korn Katharina Kriegsmann Hendy Kristyanto Thomas Kroneis Andreas Krueger Jenny Kühne Christian Kukat Désirée Kunkel Heike Kunze‐Schumacher Tomohiro Kurosaki Christian Kurts Pia Kvistborg Immanuel Kwok Jonathan Landry Olivier Lantz Paola Lanuti Francesca LaRosa Agnès Lehuen Salomé LeibundGut‐Landmann Michael D. Leipold Leslie Y.T. Leung Megan K. Levings Andreia C. Lino Francesco Liotta Virginia Litwin Yanling Liu Hans‐Gustaf Ljunggren Michael Lohoff Giovanna Lombardi Lilly Lopez Miguel López‐Botet Amy E. Lovett‐Racke Erik Lubberts Herve Luche Burkhard Ludewig Enrico Lugli Sebastian Lunemann Holden T. Maecker Laura Maggi Orla Maguire Florian Mair Kerstin H. Mair Alberto Mantovani Rudolf A. Manz Aaron J. Marshall Alicia Martínez‐Romero Glòria Martrus Ivana Marventano Wlodzimierz Maslinski Giuseppe Matarese Anna Vittoria Mattioli Christian Maueröder Alessio Mazzoni James McCluskey Mairi McGrath Helen M. McGuire Iain B. McInnes Henrik E. Mei Fritz Melchers Susanne Melzer Dirk Mielenz Stephen D. Miller Kingston H.G. Mills Hans Minderman Jenny Mjösberg Jonni Moore Barry Moran Lorenzo Moretta Tim R. Mosmann Susann Müller Gabriele Multhoff Luis Enrique Muñoz Christian Münz Toshinori Nakayama Milena Nasi Katrin Neumann Lai Guan Ng Antonia Niedobitek Sussan Nourshargh Gabriel Núñez José‐Enrique O'Connor Aaron Ochel Anna Oja Diana Ordonez Alberto Orfao Eva Orlowski‐Oliver Wenjun Ouyang Annette Oxenius Raghavendra Palankar Isabel Panse Kovit Pattanapanyasat Malte Paulsen Dinko Pavlinic Livius Penter Pärt Peterson Christian Peth Jordi Petriz Federica Piancone Winfried F. Pickl Silvia Piconese Marcello Pinti A. Graham Pockley Malgorzata Justyna Podolska Zhiyong Poon Katharina Pracht Immo Prinz Carlo E. M. Pucillo Sally A. Quataert Linda Quatrini Kylie M. Quinn Helena Radbruch Tim R. D. J. Radstake Susann Rahmig Hans‐Peter Rahn Bartek Rajwa Gevitha Ravichandran Yotam Raz Jonathan A. Rebhahn Diether Recktenwald Dorothea Reimer Caetano Reis e Sousa Ester B.M. Remmerswaal Lisa Richter Laura G. Rico Andy Riddell Aja M. Rieger J. Paul Robinson Chiara Romagnani Anna Rubartelli Jürgen Ruland Armin Saalmüller Yvan Saeys Takashi Saito Shimon Sakaguchi Francisco Sala‐de‐Oyanguren Yvonne Samstag Sharon Sanderson Inga Sandrock Angela Santoni Ramon Bellmàs Sanz Marina Saresella Catherine Sautes‐Fridman Birgit Sawitzki Linda Schadt Alexander Scheffold Hans U. Scherer Matthias Schiemann Frank A. Schildberg Esther Schimisky Andreas Schlitzer Josephine Schlosser Stephan Schmid Steffen Schmitt Kilian Schober Daniel Schraivogel Wolfgang Schuh Thomas Schüler Reiner Schulte Axel Ronald Schulz Sebastian R. Schulz Cristiano Scottá Daniel Scott‐Algara David P. Sester T. Vincent Shankey Bruno Silva‐Santos Anna Katharina Simon Katarzyna M. Sitnik Silvano Sozzani Daniel E. Speiser Josef Spidlen Anders Stahlberg Alan M. Stall Natalie Stanley Regina Stark Christina Stehle Tobit Steinmetz Hannes Stockinger Yousuke Takahama Kiyoshi Takeda Leonard Tan Attila Tárnok Gisa Tiegs Gergely Toldi Julia Tornack Elisabetta Traggiai Mohamed Trebak Timothy I.M. Tree Joe Trotter John Trowsdale Maria Tsoumakidou Henning Ulrich Sophia Urbanczyk Willem van de Veen Maries van den Broek Edwin van der Pol Sofie Van Gassen Gert Van Isterdael René A.W. van Lier Marc Veldhoen Salvador Vento‐Asturias Paulo Vieira David Voehringer Hans‐Dieter Volk Anouk von Borstel Konrad von Volkmann Ari Waisman Rachael V. Walker Paul K. Wallace Sa A. Wang Xin M. Wang Michael D. Ward Kirsten A Ward‐Hartstonge Klaus Warnatz Gary Warnes Sarah Warth Claudia Waskow James V. Watson Carsten Watzl Leonie Wegener Thomas Weisenburger Annika Wiedemann Jürgen Wienands Anneke Wilharm Robert John Wilkinson Gerald Willimsky James B. Wing Rieke Winkelmann Thomas H. Winkler Oliver F. Wirz Alicia Wong Peter Wurst Jennie H. M. Yang Juhao Yang Maria Yazdanbakhsh Liping Yu Alice Yue Hanlin Zhang Yi Zhao Susanne Maria Ziegler Christina Zielinski Jakob Zimmermann Arturo Zychlinsky., These guidelines are a consensus work of a considerable number of members of the immunology and flow cytometry community. They provide the theory and key practical aspects of flow cytometry enabling immunologists to avoid the common errors that often undermine immunological data. Notably, there are comprehensive sections of all major immune cell types with helpful Tables detailing phenotypes in murine and human cells. The latest flow cytometry techniques and applications are also described, featuring examples of the data that can be generated and, importantly, how the data can be analysed. Furthermore, there are sections detailing tips, tricks and pitfalls to avoid, all written and peer‐reviewed by leading experts in the field, making this an essential research companion., This work was supported by the Netherlands Organisation for Scientific Research – Domain Applied and Engineering Sciences (NWO-TTW), research program VENI 15924. This work was funded by the Deutsche Forschungsgemeinschaft. European Union Innovative Medicines Initiative - Joint Undertaking - RTCure Grant Agreement 777357 and innovation program (Grant Agreement 695551).

Published
2019
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48. Les cellules MAIT : un lien entre l’intestin et le diabète de type 1

Author

Ophélie Rouxel, Agnès Lehuen, Institut Cochin (IC UM3 (UMR 8104 / U1016)), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'excellence Inflamex, Sorbonne Paris Cité, and Lehuen, Agnès

Subjects
0301 basic medicine, [SDV.IMM] Life Sciences [q-bio]/Immunology, General Medicine, Mucosal associated invariant T cell, Biology, medicine.disease, Molecular biology, General Biochemistry, Genetics and Molecular Biology, 03 medical and health sciences, 030104 developmental biology, Diabetes mellitus, medicine, [SDV.IMM]Life Sciences [q-bio]/Immunology, ComputingMilieux_MISCELLANEOUS
Abstract

International audience;

Published
2018
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49. MAIT cell alterations in adults with recent-onset and long-term type 1 diabetes

Author

Christian Boitard, Léo Bertrand, Camille Rousseau, Pauline Soulard, Isabelle Nel, Etienne Larger, Agnès Lehuen, Matthieu Rouland, Lucie Beaudoin, Zouriatou Gouda, Institut Cochin, Inserm, CNRS, Laboratory of Excellence Inflamex, Université de Paris, Paris, France, Diabetology Department, Cochin Hospital, AP-HP Centre - Université de Paris, Paris, France, and ROULAND, Matthieu

Subjects
Antigens, Differentiation, T-Lymphocyte, Male, Granzyme B production, Endocrinology, Diabetes and Metabolism, medicine.medical_treatment, [SDV]Life Sciences [q-bio], Programmed Cell Death 1 Receptor, Blood Donors, Autoimmunity, medicine.disease_cause, 0302 clinical medicine, Glucose homeostasis, IL-2 receptor, ComputingMilieux_MISCELLANEOUS, Innate immunity, 0303 health sciences, Middle Aged, Flow Cytometry, 3. Good health, [SDV] Life Sciences [q-bio], Phenotype, Type 1 diabetes, Cytokine, Proto-Oncogene Proteins c-bcl-2, Cytokines, Female, Human, Adult, MAIT cells, Mucosal-Associated Invariant T Cells, Article, Young Adult, 03 medical and health sciences, Antigens, CD, Internal Medicine, medicine, Humans, Lectins, C-Type, Interleukin-7 receptor, Aged, 030304 developmental biology, Granzyme, Autoimmune disease, business.industry, Interleukin-2 Receptor alpha Subunit, medicine.disease, Diabetes Mellitus, Type 1, Immunology, business, Biomarkers, 030215 immunology
Abstract

Aims/hypothesis Mucosal-associated invariant T (MAIT) cells are innate-like T lymphocytes expressing an αβ T cell antigen receptor that recognises the MHC-related 1 molecule. MAIT cells are altered in children at risk for and with type 1 diabetes, and mouse model studies have shown MAIT cell involvement in type 1 diabetes development. Since several studies support heterogeneity in type 1 diabetes physiopathology according to the age of individuals, we investigated whether MAIT cells were altered in adults with type 1 diabetes. Methods MAIT cell frequency, phenotype and function were analysed by flow cytometry, using fresh peripheral blood from 21 adults with recent-onset type 1 diabetes (2–14 days after disease onset) and 47 adults with long-term disease (>2 years after diagnosis) compared with 55 healthy blood donors. We also separately analysed 17 women with long-term type 1 diabetes and an associated autoimmune disease, compared with 30 healthy women and 27 women with long-term type 1 diabetes. Results MAIT cells from adults with recent-onset type 1 diabetes, compared with healthy adult donors, harboured a strongly activated phenotype indicated by an elevated CD25+ MAIT cell frequency. In adults with long-term type 1 diabetes, MAIT cells displayed an activated and exhausted phenotype characterised by high CD25 and programmed cell death 1 (PD1) expression and a decreased production of proinflammatory cytokines, IL-2, IFN-γ and TNF-α. Even though MAIT cells from these patients showed upregulated IL-17 and IL-4 production, the polyfunctionality of MAIT cells was decreased (median 4.8 vs 13.14% of MAIT cells, p

Published
2021
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