Exposure to Bacterial CpG DNA Protects from Airway Allergic Inflammation by Expanding Regulatory Lung Interstitial Macrophages

Autor: Dimitri Pirottin, Sabine Olivier, Florent Ginhoux, Laurent Gillet, Fabrice Bureau, Cláudia A Fernandes, Geneviève Paulissen, Catherine Sabatel, Didier Cataldo, Coraline Radermecker, Thomas Marichal, Pascale Quatresooz, Svetoslav Chakarov, Xue Xiao, Christophe Desmet, Jean-Claude Sirard, Laurence Fievez, Marie Toussaint, Hicham Bouabe
Přispěvatelé: Sirard, Jean-Claude, Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA-Research), Université de Liège, Faculté de Médecine Vétérinaire [Liège], Singapore Immunology Network (SIgN), Biomedical Sciences Institute (BMSI), National Heart and Lung Institute [London, UK] (NHLI), Imperial College London, Fundamental and Applied Research for Animals & Health (FARAH), Centre de recherche sur les protéines prions [Liège, Belgique] (CRPP), Centre d’Infection et d’Immunité de Lille - INSERM U 1019 - UMR 9017 - UMR 8204 (CIIL), Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille)-Centre National de la Recherche Scientifique (CNRS), The Babraham Institute [Cambridge, UK], Walloon Excellence in Life sciences and BIOtechnology [Liège] (WELBIO), The Laboratory of Cellular and Molecular Immunology is supported by the F.R.S.-FNRS for the FRFS-WELBIO under grant CR-2012S-01R, by the Belgian Program on Interuniversity Attraction Poles (IUAP, T-TIME, P7/39), and by an 'Action de Recherche Concertée de la Fédération Wallonie-Bruxelles de Belgique' (12/07-03-ITPKC). C.S. and C.R. are research fellows of the F.R.S.-FNRS, L.F. is supported by the FRFS-WELBIO (CR-2012S-01R), T.M. is supported by the Acteria Foundation, and C.D. and T.M. are research associates of the F.R.S.-FNRS., We thank Dr. François Trottein (Institut Pasteur de Lille) for providing Influenza A virus, Prof. Hans Nauwynck (Ghent University) for advice, Dr. Natalia Kosovilka from the Stanford PAN facility, Dr. Sandra Ormenese and Raafat Stephan from the Cell Imaging and Flow Cytometry GIGA Platform, Dr. Pierre Drion and other staff members from the Mouse Facility and Transgenics GIGA Platform, Dr. Chantal Humblet from the GIGA Immunohistology Platform, and Raja Fares, Cédric François, and Ilham Sbai for excellent technical and secretarial assistance., Centre National de la Recherche Scientifique (CNRS)-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille)-Université de Lille-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)
Jazyk: angličtina
Rok vydání: 2017
Předmět:
0301 basic medicine
CCR2
[SDV]Life Sciences [q-bio]
MESH: Flow Cytometry
MESH: Mice
Knockout

Regulatory macrophages
hygiene hypothesis
Allergic sensitization
Mice
TLR9
0302 clinical medicine
Immunology and Allergy
MESH: Animals
Mice
Knockout

MESH: Macrophages/immunology
Flow Cytometry
3. Good health
[SDV] Life Sciences [q-bio]
MESH: Spleen/immunology
Chemotaxis
Leukocyte

Interleukin 10
Infectious Diseases
medicine.anatomical_structure
Oligodeoxyribonucleotides
CpG site
030220 oncology & carcinogenesis
IL-10
monocytes
MESH: Respiratory Hypersensitivity/immunology
DNA
Bacterial

MESH: Macrophages
Alveolar/immunology

Immunology
Biology
Allergic inflammation
lung
03 medical and health sciences
MESH: Oligodeoxyribonucleotides/immunology
MESH: Mice
Inbred C57BL

CpG
regulatory macrophages
Macrophages
Alveolar

MESH: Macrophage Activation/immunology
Hypersensitivity
Respiratory Hypersensitivity
medicine
Animals
MESH: Mice
Macrophages
Monocyte
MESH: DNA
Bacterial/immunology

Macrophage Activation
asthma
MESH: Chemotaxis
Leukocyte/immunology

respiratory tract diseases
Mice
Inbred C57BL

Disease Models
Animal

030104 developmental biology
spleen
MESH: Hypersensitivity/immunology
MESH: Disease Models
Animal
Zdroj: Immunity
Immunity, 2017, 46 (3), pp.457-473. ⟨10.1016/j.immuni.2017.02.016⟩
Immunity, Elsevier, 2017, 46 (3), pp.457-473. ⟨10.1016/j.immuni.2017.02.016⟩
ISSN: 1074-7613
DOI: 10.1016/j.immuni.2017.02.016
Popis: International audience; Living in a microbe-rich environment reduces the risk of developing asthma. Exposure of humans or mice to unmethylated CpG DNA (CpG) from bacteria reproduces these protective effects, suggesting a major contribution of CpG to microbe-induced asthma resistance. However, how CpG confers protection remains elusive. We found that exposure to CpG expanded regulatory lung interstitial macrophages (IMs) from monocytes infiltrating the lung or mobilized from the spleen. Trafficking of IM precursors to the lung was independent of CCR2, a chemokine receptor required for monocyte mobilization from the bone marrow. Using a mouse model of allergic airway inflammation, we found that adoptive transfer of IMs isolated from CpG-treated mice recapitulated the protective effects of CpG when administered before allergen sensitization or challenge. IM-mediated protection was dependent on IL-10, given that Il10(-/-) CpG-induced IMs lacked regulatory effects. Thus, the expansion of regulatory lung IMs upon exposure to CpG might underlie the reduced risk of asthma development associated with a microbe-rich environment.
Databáze: OpenAIRE