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Receptor activator of NF-kB ligand enhances the activity of macrophages as antigen presenting cells.

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Authors
Choi, Youngnim; Park, Hyewon; Park, Ok-Jin; Shin, Jieun
Issue Date
2005-12
Publisher
Korean Society of Medical Biochemistry
Citation
Experimental and Molecular Medicine 2005;37:524-532
Abstract
Receptor activator of NFκB ligand (RANKL) is known as a key regulator of osteoclastogenesis. However, the fact that fibroblasts and periodontal ligament cells express RANKL in response to bacterial sub - stances, suggests that RANKL may have evolved as a part of the immunity to infection. As RANKL increases the survival and activity of dendritic cells, it may have similar effects on macrophages. To address this issue, we studied the effect of RANKL on various functions of macrophages using mouse bone marrow derived macrophages. RANKL en - hanced the survival of macrophages and up-regulated the expression of CD86. RANKL-treated macrophages showed increased allogeneic T cell activation and phagocytic activity compared to control cells. In addition, RANKL increased the expression of TNFα, MCP-1, and IL-6 but not of IL-10, IL-12, IFN-γ, and iNOS. Collectively, RANKL augmented the activity of macrophages especially as antigen presenting cells, suggesting its new role in immune regulation.
ISSN
1226-3613
Language
English
URI
http://hdl.handle.net/10371/68903
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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