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The Death Receptor 3-TNF-like protein 1A pathway drives adverse bone pathology in inflammatory arthritis

Bull, Melanie Jane, Williams, Anwen Sian, Newton, Zarabeth, Calder, Claudia, Twohig, Jason Peter, Elford, Carole, Evans, Bronwen Alice James, Rowley, T. F., Slebioda, T. J., Taraban, V. Y., Al-Shamkhani, A. and Wang, Edward Chung Yern 2008. The Death Receptor 3-TNF-like protein 1A pathway drives adverse bone pathology in inflammatory arthritis. Journal of Experimental Medicine 205 (11) , pp. 2457-2464. 10.1084/jem.20072378

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Abstract

Rheumatoid arthritis (RA) is a chronic inflammatory disease of synovial joints that is associated with cartilage and bone destruction. Death Receptor 3 (DR3), a tumor necrosis factor (TNF) receptor superfamily member, has recently been associated with the pathogenesis of RA. We demonstrate that absence of DR3 confers resistance to the development of adverse bone pathology in experimental antigen-induced arthritis (AIA). DR3ko mice exhibited a reduction in all histopathological hallmarks of AIA but, in particular, failed to develop subchondral bone erosions and were completely protected from this characteristic of AIA. In contrast, TNF-like protein 1A (TL1A), the ligand for DR3, exacerbated disease in a dose- and DR3-dependent fashion. Analysis of osteoclast number within AIA joint revealed a reduction in areas susceptible to bone erosion in DR3ko mice, whereas in vitro osteoclastogenesis assays showed that TL1A could directly promote osteoclastogenesis in mouse and man. Treatment with antagonistic anti-TL1A mAb protected animals in a systemic model of RA disease collagen-induced arthritis. We therefore conclude that the DR3–TL1A pathway regulates joint destruction in two murine models of arthritis and represents a potential novel target for therapeutic intervention in inflammatory joint disease.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Systems Immunity Research Institute (SIURI)
Subjects: Q Science > QR Microbiology > QR180 Immunology
R Medicine > R Medicine (General)
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0022-1007/ (accessed 12/03/2014).
Publisher: Rockerfeller University Press
ISSN: 0022-1007
Date of First Compliant Deposit: 30 March 2016
Last Modified: 07 Mar 2019 21:59
URI: http://orca.cf.ac.uk/id/eprint/24976

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Cited 62 times in Web of Science. View in Web of Science.

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