ArticlePLoS pathogens2016
Tolerogenic Plasmacytoid Dendritic Cells Control Paracoccidioides brasiliensis Infection by Inducting Regulatory T Cells in an IDO-Dependent Manner.
Article in PLoS pathogens, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 47 citations in OpenAlex.
- Rethinking the immune recognition of cell walls in human fungal pathogens: Mechanisms, controversies and translational significance.Virulence · 2026Review
- Immunoregulation in Fungal Infections: A Review and Update on the Critical Role of Myeloid-Derived Suppressor Cells.Journal of fungi (Basel, Switzerland) · 2025Review
- Antifungal Innate Immunity.Advances in experimental medicine and biology · 2025Review
- Review
- Plasmacytoid dendritic cells at the forefront of anti-cancer immunity: rewiring strategies for tumor microenvironment remodeling.Journal of experimental & clinical cancer research : CR · 2024Review
- Blocking the CTLA-4 and PD-1 pathways during pulmonary paracoccidioidomycosis improves immunity, reduces disease severity, and increases the survival of infected mice.Frontiers in immunology · 2024Article
- MDSCs use a complex molecular network to suppress T-cell immunity in a pulmonary model of fungal infection.Frontiers in cellular and infection microbiology · 2024Article
- Kynurenine Pathway in Respiratory Diseases.International journal of tryptophan research : IJTR · 2024Review
- The immunosuppressive activity of myeloid-derived suppressor cells in murine Paracoccidioidomycosis relies on Indoleamine 2,3-dioxygenase activity and Dectin-1 and TLRs signaling.Scientific reports · 2023Article
- Impaired activation of plasmacytoid dendritic cellsFrontiers in immunology · 2023Article
- Myeloid-derived suppressor cells are associated with impaired Th1 and Th17 responses and severe pulmonary paracoccidioidomycosis which is reversed by anti-Gr1 therapy.Frontiers in immunology · 2023Article
- AhR Ligands Modulate the Differentiation of Innate Lymphoid Cells and T Helper Cell Subsets That Control the Severity of a Pulmonary Fungal Infection.Frontiers in immunology · 2021Article
- Transcriptional Remodeling Patterns in Murine Dendritic Cells Infected withJournal of fungi (Basel, Switzerland) · 2020Article
- Transcriptomics uncovers substantial variability associated with alterations in manufacturing processes of macrophage cell therapy products.Scientific reports · 2020Article
- Pulmonary paracoccidioidomycosis in AhR deficient hosts is severe and associated with defective Treg and Th22 responses.Scientific reports · 2020Article
- Review
- Regulatory T cells in paracoccidioidomycosis.Virulence · 2019Review
- Regulation of lung immunity by dendritic cells: Implications for asthma, chronic obstructive pulmonary disease and infectious disease.Innate immunity · 2019Review
- Antifungal Innate Immunity: A Perspective from the Last 10 Years.Journal of innate immunity · 2018Review
- The Syk-Coupled C-Type Lectin Receptors Dectin-2 and Dectin-3 Are Involved inFrontiers in immunology · 2018Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plasmacytoid dendritic cells (pDCs), considered critical for immunity against viruses, were recently associated with defense mechanisms against fungal infections. However, the immunomodulatory function of pDCs in pulmonary paracoccidiodomycosis (PCM), an endemic fungal infection of Latin America, has been poorly defined. Here, we investigated the role of pDCs in the pathogenesis of PCM caused by the infection of 129Sv mice with 1 x 106 P. brasiliensis-yeasts. In vitro experiments showed that P. brasiliensis infection induces the maturation of pDCs and elevated synthesis of TNF-α and IFN-β. The in vivo infection caused a significant influx of pDCs to the lungs and increased levels of pulmonary type I IFN. Depletion of pDCs by a specific monoclonal antibody resulted in a less severe infection, reduced tissue pathology and increased survival time of infected mice. An increased influx of macrophages and neutrophils and elevated presence of CD4+ and CD8+ T lymphocytes expressing IFN-γ and IL-17 in the lungs of pDC-depleted mice were also observed. These findings were concomitant with decreased frequency of Treg cells and reduced levels of immunoregulatory cytokines such as IL-10, TGF-β, IL-27 and IL-35. Importantly, P. brasilienis infection increased the numbers of pulmonary pDCs expressing indoleamine 2,3-dioxygenase-1 (IDO), an enzyme with immunoregulatory properties, that were reduced following pDC depletion. In agreement, an increased immunogenic activity of infected pDCs was observed when IDO-deficient or IDO-inhibited pDCs were employed in co-cultures with lymphocytes Altogether, our results suggest that in pulmonary PCM pDCs exert a tolerogenic function by an IDO-mediated mechanism that increases Treg activity.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.