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The role of cytokines in inflammatory bone loss
Department of Physiology and Pathology, Araraquara School of Dentistry, Univ. Estadual Paulista – UNESP, Araraquara, Brazil.
Umeå University, Faculty of Medicine, Department of Odontology, Molecular Periodontology. Centre for Bone and Arthritis Research at Institute of Medicine, Sahlgrenska Academy at University of Gothenburg.
2013 (English)In: Immunological Investigations, ISSN 0882-0139, Vol. 42, no 7, 555-622 p.Article in journal (Refereed) Published
Abstract [en]

Chronic inflammatory processes close to bone often lead to loss of bone in diseases such as rheumatoid arthritis, periodontitis, loosened joint prosthesis and tooth implants. This is mainly due to local formation of bone resorbing osteoclasts which degrade bone without any subsequent coupling to new bone formation. Crucial for osteoclastogenesis is stimulation of mononuclear osteoclast progenitors by macrophage colony-stimulating factor (M-CSF) and receptor activator of nuclear factor-kappa B ligand (RANKL) which induces their differentiation along the osteoclastic lineage and the fusion to mature, multinucleated osteoclasts. M-CSF and RANKL are produced by osteoblasts/osteocytes and by synovial and periodontal fibroblasts and the expression is regulated by pro-and anti-inflammatory cytokines. These cytokines also regulate osteoclastic differentiation by direct effects on the progenitor cells. In the present overview, we introduce the basic concepts of osteoclast progenitor cell differentiation and summarize the current knowledge on cytokines stimulating and inhibiting osteoclastogenesis by direct and indirect mechanisms.

Place, publisher, year, edition, pages
2013. Vol. 42, no 7, 555-622 p.
Keyword [en]
Bone loss, cytokines, inflammation, osteoclasts
National Category
Immunology in the medical area
URN: urn:nbn:se:umu:diva-81531DOI: 10.3109/08820139.2013.822766ISI: 000324268300006OAI: diva2:656680
Available from: 2013-10-16 Created: 2013-10-14 Last updated: 2013-10-16Bibliographically approved

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Lerner, Ulf H.
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