| Histone Deacetylase Inhibition by Sodium Valproate Regulates Polarization of Macrophage Subsets. | |
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MedLine Citation:
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PMID: 22054065 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Recent studies suggest that change of macrophage phenotype (M1/M2) is associated with autoimmune diseases. Sodium valproate (VPA) is a class I histone deacetylase (HDAC) inhibitor, which has immunomodulatory function in graft-versus-host disease. However, its impact on macrophage polarization has not been defined. We evaluated the effects of VPA on both mouse macrophage cell line RAW264.7 and primary mouse bone marrow macrophages (BMMs). Exposure to VPA significantly repressed the production of interleukin 12 (IL-12), and tumor necrosis factor α by lipopolysaccharide (LPS)-induced macrophage activation, in contrast, promoted IL-10 expression. VPA also affected the costimulatory molecule expression on LPS-stimulated RAW264.7 and BMMs (downregulation of CD40 and CD80, and upregulation of CD86). Specifically, VPA inhibited macrophage-mediated T helper 1 (Th1) effector but enhanced Th2 effector cell activation. Together, our preclinical study demonstrates that VPA significantly affects the phenotype and function of macrophage, indicating an important role of HDAC activity in immune regulation and inflammation. It also provides a rationale to evaluate VPA activity for the treatment of macrophage dysfunction-associated diseases. |
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Authors:
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Chenming Wu; Ang Li; Ye Leng; Yuan Li; Jiuhong Kang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-4 |
Journal Detail:
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Title: DNA and cell biology Volume: - ISSN: 1557-7430 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9004522 Medline TA: DNA Cell Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Clinical and Translational Research Center of Shanghai First Maternity and Infant Health Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Science and Technology, Tongji University , Shanghai, People's Republic of China . |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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