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Polycomb group protein Bmi1 negatively regulates IL-10 expression in activated macrophages.
MedLine Citation:
PMID:  21221124     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Macrophages exert a wide variety of functions, which necessitate a high level of plasticity on the chromatin level. In the work presented here, we analyzed the role of the polycomb group protein Bmi1 during the acute response of bone marrow derived macrophages (BMDM) to lipopolysaccharide (LPS). Unexpectedly, we observed that Bmi1 was rapidly induced at the protein level and transiently phosphorylated upon LPS treatment. The induction of Bmi1 was dependent on MAP-kinase signaling. LPS treatment of BMDM in the absence of Bmi1 resulted in a pronounced increase in expression of the anti-inflammatory cytokine interleukin-10 (IL-10). Our results identify Bmi1 as a repressor of IL-10 expression during macrophage activation.Immunology and Cell Biology advance online publication, 11 January 2011; doi:10.1038/icb.2010.160.
Authors:
Arnold R Sienerth; Christian Scheuermann; Antoine Galmiche; Ulf R Rapp; Matthias Becker
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-11
Journal Detail:
Title:  Immunology and cell biology     Volume:  -     ISSN:  1440-1711     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8706300     Medline TA:  Immunol Cell Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Institut für Medizinische Strahlenkunde und Zellforschung, Würzburg, Germany.
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