Physiological Role of TNF in MucosalImmunology: Regulation of Macrophage/Dendritic Cell Function

Aymeric Marie Christian Rivollier, J. Marsal, William Winston Agace

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    Abstract

    Intestinal mononuclear phagocytes, comprising macrophages(Mϕs) and dendritic cells (DCs), play important roles in the generation and the regulation of immune responses to intestinal antigens, and alterations in the development and/or the function of these cells are thought to contribute to the pathogenesis of inflammatory bowel disease. In this review, we discuss the role of tumor necrosis factor-α (TNF) in regulating multiple aspects of intestinal Mϕ and DC physiology, including their differentiation, migration, maturation, survival and effector functions. In inflammatory bowel disease, TNF signaling has been implicated in reprogramming monocyte differentiation from the anti-inflammatory Mϕ lineage towards the pro-inflammatory mononuclear phagocyte lineage.These cells become a major source of TNF and, thus,may contribute to the chronic inflammatory process. Finally,we highlight some of the important gaps in our current knowledge regarding the role of TNF in Mϕ and DCphysiology and suggest important directions for future research in this field.
    Original languageEnglish
    Title of host publicationAnti-Tumor Necrosis Factor Therapy in Inflammatory Bowel Disease
    EditorsG. Rogler, H. Herfarth, T. Hibi, O. H. Nielsen
    Volume34
    PublisherKarger
    Publication date2015
    Pages9-26
    ISBN (Print)978-3-318-05473-6
    ISBN (Electronic)978-3-318-05474-3
    DOIs
    Publication statusPublished - 2015
    SeriesFrontiers of Gastrointestinal Research
    ISSN0302-0665

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