Cited by 818IL-33, ST2, and ILC PathwaysT-cell and B-cell ImmunologyPsoriasis: Treatment and Pathogenesis

The 3 major types of innate and adaptive cell-mediated effector immunity

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Annunziato, Francesco, Romagnani, Chiara, Romagnani, Sergio·2015·Journal of Allergy and Clinical Immunology

Abstract

The immune system has tailored its effector functions to optimally respond to distinct species of microbes. Based on emerging knowledge on the different effector T-cell and innate lymphoid cell (ILC) lineages, it is clear that the innate and adaptive immune systems converge into 3 major kinds of cell-mediated effector immunity, which we propose to categorize as type 1, type 2, and type 3. Type 1 immunity consists of T-bet(+) IFN-γ-producing group 1 ILCs (ILC1 and natural killer cells), CD8(+) cytotoxic T cells (TC1), and CD4(+) TH1 cells, which protect against intracellular microbes through activation of mononuclear phagocytes. Type 2 immunity consists of GATA-3(+) ILC2s, TC2 cells, and TH2 cells producing IL-4, IL-5, and IL-13, which induce mast cell, basophil, and eosinophil activation, as well as IgE antibody production, thus protecting against helminthes and venoms. Type 3 immunity is mediated by retinoic acid-related orphan receptor γt(+) ILC3s, TC17 cells, and TH17 cells producing IL-17, IL-22, or both, which activate mononuclear phagocytes but also recruit neutrophils and induce epithelial antimicrobial responses, thus protecting against extracellular bacteria and fungi. On the other hand, type 1 and 3 immunity mediate autoimmune diseases, whereas type 2 responses can cause allergic diseases.

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Crossref · 10.1016/j.jaci.2014.11.001

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  • The presence of significant numbers of macrophages, NK cells, and CD8 T cells, and the absence of B cells in the AAV-treated retina suggests a predominantly type 1 cell-mediated response coordinated by CD4 TH1 cells.

    “The presence of significant numbers of macrophages, NK cells, and CD8 T cells, and the absence of B cells in the AAV-treated retina, suggests a predominantly type 1 cell-mediated response coordinated by CD4 TH1 cells.39”

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Research works printed but not linked: 6

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Authors
Annunziato, F., Romagnani, C., & Romagnani, S.
Affiliations
  • University of Florence (IT)
  • German Rheumatism Research Centre (DE)
Corresponding author
Romagnani, Sergio
Venue
Journal of Allergy and Clinical Immunology
Publisher
Elsevier BV
Published
2015-03
Volume
135
Issue
3
Pages
626-635
ISSN
0091-6749 (ISSN-L)
OpenAlex
W2043416239
Cited by
818
References
85
Citations by year
2026: 57 · 2025: 94 · 2024: 97 · 2023: 90 · 2022: 92 · 2021: 94 · 2020: 84 · 2019: 48 · 2018: 45 · 2017: 38 · 2016: 49 · 2015: 30
FWCI
3.81
Type
journal article
Language
en
Open access
Locations
  • Journal of Allergy and Clinical Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Florence Research (University of Florence) (submittedVersion)
Funders
Ministero della Salute
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › IL-33, ST2, and ILC Pathways
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Psoriasis: Treatment and Pathogenesis
Keywords
type 1 immune response, Th2 immune response, type 3 immunity, innate lymphoid cells, ILC1, ILC2, ILC3, natural killer cells, cytotoxic T lymphocytes, Th1 cells, Th2 cells, Th17 cells, mononuclear phagocytes, mast cells, eosinophils, neutrophils, IgE, autoimmune disease, allergic diseases, helminthiasis
MeSH terms
Basophils, Communicable Diseases, Eosinophils, Humans, Hypersensitivity, Immunity, Cellular, Immunity, Innate, Mast Cells, T-Lymphocytes, Cytotoxic, Biomarkers, CD4-Positive T-Lymphocytes, Autoimmunity, Gene Expression, Cytokines, Th2 Cells, Adaptive Immunity, Th17 Cells

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