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Updated: May 23, 2026
07:12
Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
Published on: April 16, 2015
Memory CD4+ T cells: fate determination, positive feedback and plasticity.
Hidehiro Yamane1, William E Paul
1Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892-1892, USA. hyamane@niaid.nih.gov
Cellular and Molecular Life Sciences : CMLS
|April 7, 2012
Summary
Naïve CD4(+) T cells proliferate and differentiate into effector cells upon antigen exposure. This process, regulated by antigen-presenting cells and cytokines, establishes T helper cell memory for future immune responses.
Area of Science:
- Immunology
- Cell Biology
- Molecular Biology
Background:
- Naïve CD4(+) T cells require specific signals for proliferation and differentiation.
- Antigen-presenting cells (APCs) and cytokine milieu are critical for T cell activation.
- Proper T cell expansion and differentiation are essential for pathogen control and immunological memory.
Purpose of the Study:
- To discuss the initiation of T helper (Th) cell lineage commitment.
- To explore the role of cytokine feedback in stabilizing Th subset differentiation.
- To highlight the significance of CD4(+) T cell plasticity and memory.
Main Methods:
- Review of existing literature on T cell activation and differentiation.
- Discussion of molecular mechanisms governing T helper cell commitment.
- Analysis of cytokine signaling pathways in T cell subset stabilization.
Main Results:
- Antigen recognition by CD4(+) T cells triggers massive proliferation.
- APC-derived cues and cytokine environments dictate T cell differentiation pathways.
- Positive feedback loops involving cytokines enhance and stabilize distinct T helper subsets.
Conclusions:
- CD4(+) T cell lineage commitment is initiated upon antigen encounter.
- Cytokine-mediated positive feedback is crucial for robust Th differentiation.
- T cell plasticity and long-term memory are vital for adaptive immunity.
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