Related Experiment Video
Updated: Jul 17, 2026

11:51
Expansion and Enrichment of Gamma-Delta (γδ) T Cells from Apheresed Human Product
Published on: September 22, 2021
Development and selection of gammadelta T cells.
1Department of Molecular and Cell Biology, Cancer Research Laboratory, University of California, Berkeley, CA, USA.
Immunological Reviews
|February 13, 2007
Summary
This review details gammadelta T-cell development, focusing on lineage decisions, gene rearrangement programming, and thymic selection. It highlights how the thymus specializes in producing distinct T-cell subsets during development.
Area of Science:
- Immunology
- Developmental Biology
- Cell Biology
Background:
- The thymus produces two main T-cell receptor (TCR) lineages: alphabeta TCR and gammadelta TCR.
- While alphabeta T-cell development is well-studied, gammadelta T-cell development remains less characterized.
Purpose of the Study:
- To review key aspects of gammadelta T-cell development.
- To elucidate the processes governing lineage commitment, differentiation, and peripheral localization of gammadelta T cells.
Main Methods:
- Review of existing research from the laboratory and others.
- Analysis of molecular programming and cellular selection events in T-cell development.
Main Results:
- Describes the decision-making process for gammadelta versus alphabeta lineage commitment.
- Details ordered differentiation of functional gammadelta T-cell subsets and Vgamma gene rearrangement programming.
- Explains positive selection for thymic gammadelta T cells and peripheral localization cues.
Conclusions:
- The thymus coordinates molecular events and cellular selection for specialized T-cell subset production.
- Developmental stages are critical for the thymus to produce distinct T-cell subsets.
Related Concept Videos
T Cell Activation and Clonal Selection
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...

