The microRNA miR-182 is induced by IL-2 and promotes clonal expansion of activated helper T lymphocytes
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The microRNA miR-182 is induced by IL-2 and promotes clonal expansion of activated helper T lymphocytes. / Stittrich, Anna-Barbara; Haftmann, Claudia; Sgouroudis, Evridiki; Kühl, Anja Andrea; Hegazy, Ahmed Nabil; Panse, Isabel; Riedel, Rene; Flossdorf, Michael; Dong, Jun; Fuhrmann, Franziska; Heinz, Gitta Anne; Fang, Zhuo; Li, Na; Bissels, Ute; Hatam, Farahnaz; Jahn, Angelina; Hammoud, Ben; Matz, Mareen; Schulze, Felix-Michael; Baumgrass, Ria; Bosio, Andreas; Mollenkopf, Hans-Joachim; Grün, Joachim; Thiel, Andreas; Chen, Wei; Höfer, Thomas; Loddenkemper, Christoph; Löhning, Max; Chang, Hyun-Dong; Rajewsky, Nikolaus; Radbruch, Andreas; Mashreghi, Mir-Farzin.
in: NAT IMMUNOL, Jahrgang 11, Nr. 11, 11.2010, S. 1057-62.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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T1 - The microRNA miR-182 is induced by IL-2 and promotes clonal expansion of activated helper T lymphocytes
AU - Stittrich, Anna-Barbara
AU - Haftmann, Claudia
AU - Sgouroudis, Evridiki
AU - Kühl, Anja Andrea
AU - Hegazy, Ahmed Nabil
AU - Panse, Isabel
AU - Riedel, Rene
AU - Flossdorf, Michael
AU - Dong, Jun
AU - Fuhrmann, Franziska
AU - Heinz, Gitta Anne
AU - Fang, Zhuo
AU - Li, Na
AU - Bissels, Ute
AU - Hatam, Farahnaz
AU - Jahn, Angelina
AU - Hammoud, Ben
AU - Matz, Mareen
AU - Schulze, Felix-Michael
AU - Baumgrass, Ria
AU - Bosio, Andreas
AU - Mollenkopf, Hans-Joachim
AU - Grün, Joachim
AU - Thiel, Andreas
AU - Chen, Wei
AU - Höfer, Thomas
AU - Loddenkemper, Christoph
AU - Löhning, Max
AU - Chang, Hyun-Dong
AU - Rajewsky, Nikolaus
AU - Radbruch, Andreas
AU - Mashreghi, Mir-Farzin
PY - 2010/11
Y1 - 2010/11
N2 - After being activated by antigen, helper T lymphocytes switch from a resting state to clonal expansion. This switch requires inactivation of the transcription factor Foxo1, a suppressor of proliferation expressed in resting helper T lymphocytes. In the early antigen-dependent phase of expansion, Foxo1 is inactivated by antigen receptor-mediated post-translational modifications. Here we show that in the late phase of expansion, Foxo1 was no longer post-translationally regulated but was inhibited post-transcriptionally by the interleukin 2 (IL-2)-induced microRNA miR-182. Specific inhibition of miR-182 in helper T lymphocytes limited their population expansion in vitro and in vivo. Our results demonstrate a central role for miR-182 in the physiological regulation of IL-2-driven helper T cell-mediated immune responses and open new therapeutic possibilities.
AB - After being activated by antigen, helper T lymphocytes switch from a resting state to clonal expansion. This switch requires inactivation of the transcription factor Foxo1, a suppressor of proliferation expressed in resting helper T lymphocytes. In the early antigen-dependent phase of expansion, Foxo1 is inactivated by antigen receptor-mediated post-translational modifications. Here we show that in the late phase of expansion, Foxo1 was no longer post-translationally regulated but was inhibited post-transcriptionally by the interleukin 2 (IL-2)-induced microRNA miR-182. Specific inhibition of miR-182 in helper T lymphocytes limited their population expansion in vitro and in vivo. Our results demonstrate a central role for miR-182 in the physiological regulation of IL-2-driven helper T cell-mediated immune responses and open new therapeutic possibilities.
KW - Animals
KW - Arthritis/immunology
KW - Cell Proliferation
KW - Cells, Cultured
KW - Disease Models, Animal
KW - Humans
KW - Interleukin-2/immunology
KW - Mice
KW - Mice, Inbred BALB C
KW - Mice, Inbred C57BL
KW - MicroRNAs/immunology
KW - T-Lymphocytes, Helper-Inducer/cytology
U2 - 10.1038/ni.1945
DO - 10.1038/ni.1945
M3 - SCORING: Journal article
C2 - 20935646
VL - 11
SP - 1057
EP - 1062
JO - NAT IMMUNOL
JF - NAT IMMUNOL
SN - 1529-2908
IS - 11
ER -