Related Experiment Video
Updated: Jun 20, 2026

Accessing Early Differentiation of Virus-Specific Follicular Helper CD4+ T Cell in Acute LCMV-Infected Mice
Published on: April 26, 2024
Establishing the follicular helper identity
George Kassiotis1, Anne O'Garra
1Division of Immunoregulation, MRC National Institute for Medical Research, The Ridgeway, London NW7 1AA, UK.
B-cell lymphoma 6 (Bcl-6) is a transcriptional repressor that is crucial for the development of follicular helper T (Tfh) cells. Yu et al. demonstrate that Bcl-6 directs Tfh cell differentiation, distinguishing them from other T helper subsets.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- Follicular helper T (Tfh) cells are a distinct subset of helper T cells.
- The transcriptional repressor B-cell lymphoma 6 (Bcl-6) is known to be expressed in Tfh cells.
- The precise role of Bcl-6 in Tfh cell differentiation has not been fully elucidated.
Purpose of the Study:
- To investigate the role of Bcl-6 in the differentiation of follicular helper T (Tfh) cells.
- To determine how Bcl-6 distinguishes Tfh cells from other T helper cell subsets.
Main Methods:
- Gene expression analysis
- T-cell subset identification
- Molecular pathway analysis
Main Results:
- Bcl-6 expression is a key marker for Tfh cells.
- Bcl-6 directly regulates genes involved in Tfh cell differentiation.
- Bcl-6-dependent pathways are essential for establishing the Tfh cell lineage.
Conclusions:
- Bcl-6 is a master regulator of follicular helper T (Tfh) cell differentiation.
- Understanding Bcl-6's role is critical for comprehending T cell subset development and function.
Related Concept Videos
Folliculogenesis
Multipotency and Niche of Bulge Stem Cell
Cells of the Adaptive Immune Response
Lineage Commitment
Cellular Differentiation
A zygote is a...
B Cell Activation and Differentiation
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
