Document Detail


Histone deacetylase 3 is an epigenomic brake in macrophage alternative activation.
MedLine Citation:
PMID:  22156208     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Macrophages, a key cellular component of inflammation, become functionally polarized in a signal- and context-specific manner. Th2 cytokines such as interleukin 4 (IL-4) polarize macrophages to a state of alternative activation that limits inflammation and promotes wound healing. Alternative activation is mediated by a transcriptional program that is influenced by epigenomic modifications, including histone acetylation. Here we report that macrophages lacking histone deacetylase 3 (HDAC3) display a polarization phenotype similar to IL-4-induced alternative activation and, furthermore, are hyperresponsive to IL-4 stimulation. Throughout the macrophage genome, HDAC3 deacetylates histone tails at regulatory regions, leading to repression of many IL-4-regulated genes characteristic of alternative activation. Following exposure to Schistosoma mansoni eggs, a model of Th2 cytokine-mediated disease that is limited by alternative activation, pulmonary inflammation was ameliorated in mice lacking HDAC3 in macrophages. Thus, HDAC3 functions in alternative activation as a brake whose release could be of benefit in the treatment of multiple inflammatory diseases.
Authors:
Shannon E Mullican; Christine A Gaddis; Theresa Alenghat; Meera G Nair; Paul R Giacomin; Logan J Everett; Dan Feng; David J Steger; Jonathan Schug; David Artis; Mitchell A Lazar
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Genes & development     Volume:  25     ISSN:  1549-5477     ISO Abbreviation:  Genes Dev.     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-13     Completed Date:  2012-02-10     Revised Date:  2012-04-03    
Medline Journal Info:
Nlm Unique ID:  8711660     Medline TA:  Genes Dev     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2480-8     Citation Subset:  IM    
Affiliation:
Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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MeSH Terms
Descriptor/Qualifier:
Animals
Epigenesis, Genetic*
Histone Deacetylases / genetics*,  metabolism
Interleukin-4 / genetics,  metabolism
Macrophage Activation / genetics*
Macrophages / immunology,  metabolism*
Mice
Mice, Inbred Strains
Pneumonia / enzymology,  immunology,  parasitology
Schistosoma mansoni
Th2 Cells / immunology,  metabolism
Grant Support
ID/Acronym/Agency:
AI61570/AI/NIAID NIH HHS; DK07314/DK/NIDDK NIH HHS; DK19525/DK/NIDDK NIH HHS; DK43806/DK/NIDDK NIH HHS; DK43806S1/DK/NIDDK NIH HHS; DK49210/DK/NIDDK NIH HHS; R37 DK043806-21/DK/NIDDK NIH HHS; R37 DK043806-22/DK/NIDDK NIH HHS
Chemical
Reg. No./Substance:
207137-56-2/Interleukin-4; EC 3.5.1.98/Histone Deacetylases; EC 3.5.1.98/histone deacetylase 3

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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