Priming Microenvironments Dictate Cytokine Requirements for T Helper 17 Cell Lineage Commitment

Wei Hu, Ty Dale Troutman, Ramakrishna Edukulla, Chandrashekhar Pasare

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

Activation of pattern recognition receptors on dendritic cells (DCs) and macrophages leads to secretion of cytokines that control differentiation of CD4 + T cells. The current understanding is that interleukin-6 (IL-6) in combination with transforming growth factor-β (TGF-β) leads to generation of T helper 17 (Th17) lineage cells. Here, we have discovered that the cytokine requirements for Th17 cell polarization depend on the site of priming. Although IL-6 played a critical role in Th17 cell lineage priming in the skin and mucosal tissues, it was not required for Th17 cell priming in the spleen. In contrast, IL-1 played an irreplaceable role for priming of Th17 lineage cells in all tissues. Importantly, we have demonstrated that IL-6-independent and -dependent pathways of Th17 cell differentiation are guided by DCs residing in various tissues. These results reveal fundamental differences by which the systemic, mucosal, and cutaneous immune systems guide Th17 cell lineage commitment.

Original languageEnglish (US)
Pages (from-to)1010-1022
Number of pages13
JournalImmunity
Volume35
Issue number6
DOIs
StatePublished - Dec 23 2011

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Th17 Cells
Cell Lineage
Cytokines
Interleukin-6
Dendritic Cells
Pattern Recognition Receptors
Skin
Transforming Growth Factors
Interleukin-1
Cell Differentiation
Immune System
Mucous Membrane
Spleen
Macrophages
T-Lymphocytes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases
  • Immunology

Cite this

Priming Microenvironments Dictate Cytokine Requirements for T Helper 17 Cell Lineage Commitment. / Hu, Wei; Troutman, Ty Dale; Edukulla, Ramakrishna; Pasare, Chandrashekhar.

In: Immunity, Vol. 35, No. 6, 23.12.2011, p. 1010-1022.

Research output: Contribution to journalArticle

Hu, Wei ; Troutman, Ty Dale ; Edukulla, Ramakrishna ; Pasare, Chandrashekhar. / Priming Microenvironments Dictate Cytokine Requirements for T Helper 17 Cell Lineage Commitment. In: Immunity. 2011 ; Vol. 35, No. 6. pp. 1010-1022.
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