What question did this study set out to answer?

Investigate the phenotypic and functional characteristics of CCR6+ regulatory CD25(+)CD4+ T cells regarding memory and effector function.

December 22, 2004Blood

CCR6 expression defines regulatory effector/memory-like cells within the CD25+CD4+ T-cell subset

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Demonstrates that CCR6+ Treg cells exhibit memory-like characteristics, suggesting a role in immune response regulation.

Investigate the phenotypic and functional characteristics of CCR6+ regulatory CD25(+)CD4+ T cells regarding memory and effector function.
Identified CCR6 expression on a distinct subset of mouse Treg cells.
Analyzed activation markers, turnover rates, and response to restimulation in vitro.
Examined the accumulation of CCR6+ Treg cells in peripheral blood and the central nervous system in the context of experimental autoimmune encephalomyelitis.
CCR6+ Treg cells display markers of activation and memory, indicating effector-memory functions.
These cells have a higher turnover rate and respond quickly to restimulation with increased interleukin 10 production.
CCR6+ Treg cells are found in elevated levels in the peripheral blood and accumulate in the central nervous system during inflammation, and their expression is associated with memory T cells in humans.

Kleinewietfeld et al. (2004) studied this question.

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