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Cited by 1,881

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Small intestine lamina propria dendritic cells promote de novo generation of Foxp3 T reg cells via retinoic acid

Open access
Sun, Cheng-Ming, Hall, Jason A., Blank, Rebecca B., Bouladoux, Nicolas, Oukka, Mohamed, Mora, J. Rodrigo, Belkaid, Yasmine·2007·The Journal of Experimental Medicine

Abstract

To maintain immune homeostasis, the intestinal immune system has evolved redundant regulatory strategies. In this regard, the gut is home to a large number of regulatory T (T reg) cells, including the Foxp3+ T reg cell. Therefore, we hypothesized that the gut environment preferentially supports extrathymic T reg cell development. We show that peripheral conversion of CD4+ T cells to T reg cells occurs primarily in gut-associated lymphoid tissue (GALT) after oral exposure to antigen and in a lymphopenic environment. Dendritic cells (DCs) purified from the lamina propria (Lp; LpDCs) of the small intestine were found to promote a high level of T reg cell conversion relative to lymphoid organ–derived DCs. This enhanced conversion by LpDCs was dependent on TGF-β and retinoic acid (RA), which is a vitamin A metabolite highly expressed in GALT. Together, these data demonstrate that the intestinal immune system has evolved a self-contained strategy to promote T reg cell neoconversion.

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Crossref · 10.1084/jem.20070602

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Metadata

Authors
Sun, C.-M., Hall, J. A., Blank, R. B., Bouladoux, N., Oukka, M., Mora, J. R., & Belkaid, Y.
Venue
The Journal of Experimental Medicine
Published
2007-07-09
Volume
204
Issue
8
Pages
1775-1785
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2144836936
Cited by
1,881
References
1
FWCI
48.48
Type
journal article
Language
en
Open access
green

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