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Related Experiment Video

Updated: May 8, 2026

A Strategy for the Study of IL-9-Producing Lymphoid Cells in the Nippostrongylus brasiliensis Infection Model

A Strategy for the Study of IL-9-Producing Lymphoid Cells in the Nippostrongylus brasiliensis Infection Model

Published on: March 3, 2023

IL-9 and Th9 cells: progress and challenges.

Picheng Zhao¹, Xiang Xiao, Rafik M Ghobrial

¹Immunobiology and Transplant Research, Houston Methodist Hospital and Methodist Hospital Research Institute, Texas Medical Center, 6670 Bertner Avenue, Houston, TX 77030, USA.

International Immunology

|September 13, 2013

Summary

New T(h)9 cells, crucial for immune responses, are induced by integrating signals from TGF-β and IL-4. These signals activate transcription factors that collectively drive T(h)9 cell development and function.

Keywords:

IL-9 Th9 allergy inflammation

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Last Updated: May 8, 2026

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Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes

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Published on: September 26, 2013

Area of Science:

Immunology
Cell Biology

Background:

T(h)9 cells represent a distinct subset of helper T cells.
The signature cytokine produced by T(h)9 cells is Interleukin-9 (IL-9).
T(h)9 cells and their products are implicated in various disease states, highlighting their clinical relevance.

Purpose of the Study:

To elucidate the molecular mechanisms governing the induction and regulation of T(h)9 cells.
To understand the integration of signaling pathways essential for T(h)9 cell development.

Main Methods:

Investigated the molecular pathways involved in T(h)9 cell induction.
Analyzed the convergence of signals from cytokine receptors (TGF-β, IL-4) and costimulatory molecules.
Identified key transcription factors driving T(h)9 cell development.

Main Results:

Multiple distinct molecular pathways contribute to T(h)9 cell induction.
Integration of signals from TGF-β and IL-4 cytokine receptors is critical.
Activation of costimulatory molecules also plays a role in T(h)9 cell development.
These integrated signals converge to induce transcription factors essential for T(h)9 cell differentiation.

Conclusions:

Understanding T(h)9 cell induction is clinically significant.
T(h)9 cell development is orchestrated by a complex interplay of signaling pathways.
Key transcription factors, activated by TGF-β, IL-4, and costimulatory signals, are central to T(h)9 cell fate determination.