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Title: Role of Stat3 in Glucocorticoid-induced Expression of the human IL-10 Gene
Authors: Unterberger, Claudia
Staples, Karl J.
Smallie, Timothy
Williams, Lynn M.
Foxwell, Brian
Schaefer, Annette
Kempkes, Bettina
Hofer, T. P. J.
Koeppel, Max
Lohrum, Marion
Stunnenberg, Henk
Frankenberger, Marion
Ziegler-Heitbrock, Loems
First Published: 2008
Publisher: Elsevier
Citation: Molecular Immunology, 2008, 45 (11), pp. 3230-3237.
Abstract: In the present report we have determined the molecular mechanisms, which govern the expression of the human IL-10 gene when induced by the glucocorticoid Methyl-Prednisolone (MP). Treatment cells with MP at 10-6 M will readily induce IL-10 in CD19+ primary B cells and in a human B cell line. Analysis of the IL-10 promoter showed a robust 18-fold induction and demonstrated that a potential GRE motif was not required, while mutation of the - 120 STAT-motif strongly reduced MP induced transactivation. A strong induction was also seen with a trimeric STAT-motif and over-expression of dominantnegative STAT3 could block MP induction of IL-10 mRNA. Finally, MP treatment induced binding of STAT3 to the promoter as shown by gelshift, supershift and by chromatin-immuno-precipitation. These data show that glucocorticoid-induced expression of the IL-10 gene is mediated by the transcription factor STAT3.
DOI Link: 10.1016/j.molimm.2008.02.020
ISSN: 0161-5890
Type: Article
Rights: This is the author's final draft of the paper published as Molecular Immunology, 2008, 45 (11) pp. 3230-3237. The final published version is available from Doi:10.1016/j.molimm.2008.02.020
Appears in Collections:Published Articles, Dept. of Infection, Immunity and Inflammation

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