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Nat Protoc. 2007;2(7):1789-94.

In vitro generation of CD4+ CD25+ regulatory cells from murine naive T cells.

Author information

1
Division of Gastroenterology, University of Rome Tor Vergata, Via Montpellier 1, 00133, Rome, Italy.

Abstract

CD4+ CD25+ regulatory T cells (Tregs) are crucial for the maintenance of immunological tolerance. Recent data indicate that Tregs not only develop in the thymus during ontogeny but can also differentiate from naive T cells in the periphery. The following protocol describes a method by which Tregs are generated in vitro by stimulation of naive T cells in the presence of transforming growth factor beta (Ti-Tregs). In vitro-induced regulatory T cells express markers of conventional Treg such as CD25 and the genetic program committing transcription factor FoxP3. Functionally the in vitro-generated Ti-Tregs suppress T-cell activation and proliferation while in vivo these cells have been proven to control inflammation in different animal models, suggesting a potential use of these cells for immunotherapy. The protocol can be completed within 5 days.

PMID:
17641646
DOI:
10.1038/nprot.2007.258
[Indexed for MEDLINE]

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