Cutting edge: TGF-beta signaling is required for the in vivo expansion and immunosuppressive capacity of regulatory CD4+CD25+ T cells
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Cutting edge: TGF-beta signaling is required for the in vivo expansion and immunosuppressive capacity of regulatory CD4+CD25+ T cells. / Huber, Samuel; Schramm, Christoph; Lehr, Hans A; Mann, Amrit; Schmitt, Steffen; Becker, Christoph; Protschka, Martina; Galle, Peter R; Neurath, Markus F; Blessing, Manfred.
In: J IMMUNOL, Vol. 173, No. 11, 01.12.2004, p. 6526-31.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Cutting edge: TGF-beta signaling is required for the in vivo expansion and immunosuppressive capacity of regulatory CD4+CD25+ T cells
AU - Huber, Samuel
AU - Schramm, Christoph
AU - Lehr, Hans A
AU - Mann, Amrit
AU - Schmitt, Steffen
AU - Becker, Christoph
AU - Protschka, Martina
AU - Galle, Peter R
AU - Neurath, Markus F
AU - Blessing, Manfred
PY - 2004/12/1
Y1 - 2004/12/1
N2 - Data regarding the role of TGF-beta for the in vivo function of regulatory CD4(+)CD25(+) T cells (Treg) are controversial. A transgenic mouse model with impaired TGF-beta signaling specifically in T cells was used to assess the role of endogenous TGF-beta for the in vivo function of CD4(+)CD25(+) Treg in a murine model of colitis induced by dextran sulfate. Transfer of wild-type, but not transgenic CD4(+)CD25(+) Treg was found to suppress colitis in wild-type mice. In addition, by transferring CFSE-labeled CD4(+)CD25(+) Treg we could demonstrate that endogenous TGF-beta promotes the expansion of CD4(+)CD25(+) Treg in vivo. Transgenic mice themselves developed reduced numbers of peripheral CD4(+)CD25(+) Treg and were more susceptible to the induction of colitis, which could be prevented by the transfer of wild-type Treg. These data indicate that TGF-beta signaling in CD4(+)CD25(+) Treg is required for their in vivo expansion and suppressive capacity.
AB - Data regarding the role of TGF-beta for the in vivo function of regulatory CD4(+)CD25(+) T cells (Treg) are controversial. A transgenic mouse model with impaired TGF-beta signaling specifically in T cells was used to assess the role of endogenous TGF-beta for the in vivo function of CD4(+)CD25(+) Treg in a murine model of colitis induced by dextran sulfate. Transfer of wild-type, but not transgenic CD4(+)CD25(+) Treg was found to suppress colitis in wild-type mice. In addition, by transferring CFSE-labeled CD4(+)CD25(+) Treg we could demonstrate that endogenous TGF-beta promotes the expansion of CD4(+)CD25(+) Treg in vivo. Transgenic mice themselves developed reduced numbers of peripheral CD4(+)CD25(+) Treg and were more susceptible to the induction of colitis, which could be prevented by the transfer of wild-type Treg. These data indicate that TGF-beta signaling in CD4(+)CD25(+) Treg is required for their in vivo expansion and suppressive capacity.
KW - Adoptive Transfer
KW - Animals
KW - Cell Differentiation/genetics
KW - Colitis/genetics
KW - Genetic Predisposition to Disease
KW - Humans
KW - Lymphocyte Count
KW - Mice
KW - Receptors, Interleukin-2/biosynthesis
KW - Signal Transduction/genetics
KW - T-Lymphocytes, Regulatory/cytology
KW - Transforming Growth Factor beta/physiology
U2 - 10.4049/jimmunol.173.11.6526
DO - 10.4049/jimmunol.173.11.6526
M3 - SCORING: Journal article
C2 - 15557141
VL - 173
SP - 6526
EP - 6531
JO - J IMMUNOL
JF - J IMMUNOL
SN - 0022-1767
IS - 11
ER -