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Adenoviral Transduction of Naive CD4 T Cells to Study Treg Differentiation
Published on: August 13, 2013
Regulatory T cells dynamically control the primary immune response to foreign antigen
Dipica Haribhai1, Wen Lin, Lance M Relland
1Division of Rheumatology, Department of Pediatrics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA.
Journal of Immunology (Baltimore, Md. : 1950)
|February 22, 2007
Summary
Regulatory T (T(R)) cells control immune responses by expanding more than conventional T cells during antigen exposure. This inverse relationship between T(R) and conventional T cells dictates the primary immune response magnitude.
Area of Science:
- Immunology
- Cell Biology
- Population Dynamics
Background:
- Regulatory T (T(R)) cells are crucial for immune system regulation.
- Understanding how T(R) cells control immune responses is vital.
Purpose of the Study:
- To investigate the population dynamics of T(R) cells and conventional T cells.
- To define the quantitative relationship governing immune response magnitude.
Main Methods:
- Monitoring T cell expansion and contraction during primary immune response.
- Assessing the impact of T(R) cell transfer and function blockade on immune responses.
Main Results:
- T(R) and conventional T cells expanded and contracted synchronously.
- T(R) cells showed significantly greater relative accumulation at peak response due to increased cell division.
- T(R) cell transfer inhibited immune responses, while function blockade enhanced them.
Conclusions:
- An inverse quantitative relationship exists between T(R) and conventional T cells, controlling primary immune response magnitude.
- High division rates in T(R) cells suggest broad antigen specificity, enabling widespread immune control.
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