ArticleJournal of immunology (Baltimore, Md. : 1950)2011
IL-33 and M2a alveolar macrophages promote lung defense against the atypical fungal pathogen Pneumocystis murina.
Article in Journal of immunology (Baltimore, Md. : 1950), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
55 citing papers in PubMed, 1 synthesis or guideline pooled it, 84 citations in OpenAlex.
- The Role of Pro-Inflammatory and Regulatory Signaling by IL-33 in the Brain and Liver: A Focused Systematic Review of Mouse and Human Data and Risk of Bias Assessment of the Literature.International journal of molecular sciences · 2020Pooled it
- Identification of mRNA biomarkers in extremely early hypertensive intracerebral hemorrhage (HICH).Proteome science · 2024Article
- Protective innate immunity againstInfection and immunity · 2024Article
- IL-33 Facilitates Fibro-Adipogenic Progenitors to Establish the Pro-Regenerative Niche after Muscle Injury.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Targeting Macrophage Polarization for Reinstating Homeostasis following Tissue Damage.International journal of molecular sciences · 2024Review
- IFN-γ Limits Immunopathogenesis but Delays Fungal Clearance during Pneumocystis Pneumonia.Journal of immunology (Baltimore, Md. : 1950) · 2023Article
- Novel mechanistic insights underlying fungal allergic inflammation.PLoS pathogens · 2023Review
- The Dual Benefit of Sulfasalazine on Pneumocystis Pneumonia-Related Immunopathogenesis and Antifungal Host Defense Does Not Require IL-4Rα-Dependent Macrophage Polarization.Infection and immunity · 2023Article
- IL-33 mediates Pseudomonas induced airway fibrogenesis and is associated with CLAD.The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation · 2023Article
- Review
- Review
- The role of interleukin-33 in organ fibrosis.Discovery immunology · 2022Review
- The M2a Macrophage Phenotype Accompanies Pulmonary Granuloma Resolution inInternational journal of molecular sciences · 2021Article
- Bias of the Immune Response toJournal of fungi (Basel, Switzerland) · 2021Article
- Immune Response inJournal of fungi (Basel, Switzerland) · 2021Review
- Review
- Combination Immunotherapy with Passive Antibody and Sulfasalazine Accelerates Fungal Clearance and Promotes the Resolution ofInfection and immunity · 2020Article
- Intrinsic Programming of Alveolar Macrophages for Protective Antifungal Innate Immunity AgainstFrontiers in immunology · 2018Article
- Alarmins and immunity.Immunological reviews · 2017Review
- Glucocorticoid attenuates acute lung injury through induction of type 2 macrophage.Journal of translational medicine · 2017Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
We have recently reported that mice deficient in the myeloid Src-family tyrosine kinases Hck, Fgr, and Lyn (Src triple knockout [TKO]) had augmented innate lung clearance of Pneumocystis murina that correlated with a higher ability of alveolar macrophages (AMs) from these mice to kill P. murina. In this article, we show that despite possessing enhanced killing, AMs from naive Src TKO mice did not demonstrate enhanced inflammatory responses to P. murina. We subsequently discovered that both AMs and lungs from P. murina-infected Src TKO mice expressed significantly greater levels of the M2a markers RELM-α and Arg1, and the M2a-associated chemokines CCL17 and CCL22 than did wild-type mice. IL-4 and IL-13, the primary cytokines that promote M2a polarization, were not differentially produced in the lungs between wild-type and Src TKO mice. P. murina infection in Src TKO mice resulted in enhanced lung production of the novel IL-1 family cytokine IL-33. Immunohistochemical analysis of IL-33 in lung tissue revealed localization predominantly in the nucleus of alveolar epithelial cells. We further demonstrate that experimental polarization of naive AMs to M2a resulted in more efficient killing of P. murina compared with untreated AMs, which was further enhanced by the addition of IL-33. Administration of IL-33 to C57BL/6 mice increased lung RELM-α and CCL17 levels, and enhanced clearance of P. murina, despite having no effect on the cellular composition of the lungs. Collectively, these results indicate that M2a AMs are potent effector cells against P. murina. Furthermore, enhancing M2a polarization may be an adjunctive therapy for the treatment of Pneumocystis.
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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.