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Updated: Jun 23, 2026

In Vitro Differentiation of Naive CD4+ T Cells into Pathogenic Th17 Cells in Mouse
Published on: October 25, 2024
Autoimmune diseases in the TH17 era
D Mesquita1, W M Cruvinel, N O S Câmara
1Divisão de Reumatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brasil.
Newly identified T helper 17 (TH17) cells produce interleukin-17 and are crucial in immunity and autoimmune diseases. Understanding TH17 cell biology is key to modulating immune responses and treating inflammatory conditions.
Area of Science:
- Immunology
- Cell Biology
Background:
- A novel subset of CD4+ T lymphocytes, known as T helper 17 (TH17) cells, has been identified.
- TH17 cells are distinct from T helper 1 and T helper 2 cells.
- These cells produce pro-inflammatory cytokines, particularly interleukin-17.
Purpose of the Study:
- To review the biology and differentiation of TH17 cells.
- To highlight the role of TH17 cells in immune-mediated chronic inflammatory diseases.
- To discuss the implications of TH17 cell balance in autoimmune diseases and allergy.
Main Methods:
- Literature review focusing on TH17 cell biology and differentiation.
- Analysis of the role of TH17 cells in immune responses and pathogenesis.
- Discussion of the balance between T cell subsets in immune-mediated disorders.
Main Results:
- TH17 cells are critical for defense against extracellular microbes.
- Dysregulation of TH17 cells contributes to the pathogenesis of autoimmune diseases and allergies.
- Imbalances in T cell subsets, including TH17 cells, can lead to chronic inflammation and fibrosis.
Conclusions:
- TH17 cells play a significant role in both host defense and autoimmune pathology.
- Maintaining the dynamic balance of T cell subsets is essential for immune homeostasis.
- Further understanding of TH17 cell biology is crucial for developing therapeutic strategies for immune-mediated diseases.
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