Transforming growth factor-β 'reprograms' the differentiation of T helper 2 cells and promotes an interleukin 9–producing subset
Copyright policy )Transforming growth factor-β 'reprograms' the differentiation of T helper 2 cells and promotes an interleukin 9–producing subset
Since the discovery of T helper type 1 and type 2 effector T cell subsets 20 years ago, inducible regulatory T cells and interleukin 17 (IL-17)-producing T helper cells have been added to the 'portfolio' of helper T cells. It is unclear how many more effector T cell subsets there may be and to what degree their characteristics are fixed or flexible. Here we show that transforming growth factor-beta, a cytokine at the center of the differentiation of IL-17-producing T helper cells and inducible regulatory T cells, 'reprograms' T helper type 2 cells to lose their characteristic profile and switch to IL-9 secretion or, in combination with IL-4, drives the differentiation of 'T(H)-9' cells directly. Thus, transforming growth factor-beta constitutes a regulatory 'switch' that in combination with other cytokines can 'reprogram' effector T cell differentiation along different pathways.
- Université Catholique de Louvain Belgium
- Institute of Medical Microbiology and Hygiene Germany
- University of Duisburg-Essen Germany
- National Institute for Medical Research United Kingdom
- London School of Hygiene & Tropical Medicine United Kingdom
Reverse Transcriptase Polymerase Chain Reaction, Interleukin-9, Cell Differentiation, Mice, Transgenic, Mice, Th2 Cells, T-Lymphocyte Subsets, Transforming Growth Factor beta, Animals, Cytokines, Cell Lineage, RNA, Messenger
Reverse Transcriptase Polymerase Chain Reaction, Interleukin-9, Cell Differentiation, Mice, Transgenic, Mice, Th2 Cells, T-Lymphocyte Subsets, Transforming Growth Factor beta, Animals, Cytokines, Cell Lineage, RNA, Messenger
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