Autotaxin expression from synovial fibroblasts is essential for the pathogenesis of modeled arthritis

Ioanna Nikitopoulou, Nikos Oikonomou, Emmanuel Karouzakis, Ioanna Sevastou, Nefeli Nikolaidou-Katsaridou, Zhenwen Zhao, Vassilis Mersinias, Maria Armaka, Yan Xu, Masayuki Masu, Gordon Mills, Steffen Gay, George Kollias, Vassilis Aidinis

Research output: Contribution to journalArticle

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Abstract

Rheumatoid arthritis is a destructive arthropathy characterized by chronic synovial inflammation that imposes a substantial socioeconomic burden. Under the influence of the proinflammatory milieu, synovial fibroblasts (SFs), the main effector cells in disease pathogenesis, become activated and hyperplastic, releasing proinflammatory factors and tissueremodeling enzymes. This study shows that activated arthritic SFs from human patients and animal models express significant quantities of autotaxin (ATX; ENPP2), a lysophospholipase D that catalyzes the conversion of lysophosphatidylcholine to lysophosphatidic acid (LPA). ATX expression from SFs was induced by TNF, and LPA induced SF activation and effector functions in synergy with TNF. Conditional genetic ablation of ATX in mesenchymal cells, including SFs, resulted in disease attenuation in animal models of arthritis, establishing the ATX/LPA axis as a novel player in chronic inflammation and the pathogenesis of arthritis and a promising therapeutic target.

Original languageEnglish (US)
Pages (from-to)925-933
Number of pages9
JournalJournal of Experimental Medicine
Volume209
Issue number5
DOIs
StatePublished - May 7 2012
Externally publishedYes

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Arthritis
Fibroblasts
Animal Models
Inflammation
Lysophosphatidylcholines
Joint Diseases
Rheumatoid Arthritis
Enzymes
lysophosphatidic acid
Therapeutics

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

Nikitopoulou, I., Oikonomou, N., Karouzakis, E., Sevastou, I., Nikolaidou-Katsaridou, N., Zhao, Z., ... Aidinis, V. (2012). Autotaxin expression from synovial fibroblasts is essential for the pathogenesis of modeled arthritis. Journal of Experimental Medicine, 209(5), 925-933. https://doi.org/10.1084/jem.20112012

Autotaxin expression from synovial fibroblasts is essential for the pathogenesis of modeled arthritis. / Nikitopoulou, Ioanna; Oikonomou, Nikos; Karouzakis, Emmanuel; Sevastou, Ioanna; Nikolaidou-Katsaridou, Nefeli; Zhao, Zhenwen; Mersinias, Vassilis; Armaka, Maria; Xu, Yan; Masu, Masayuki; Mills, Gordon; Gay, Steffen; Kollias, George; Aidinis, Vassilis.

In: Journal of Experimental Medicine, Vol. 209, No. 5, 07.05.2012, p. 925-933.

Research output: Contribution to journalArticle

Nikitopoulou, I, Oikonomou, N, Karouzakis, E, Sevastou, I, Nikolaidou-Katsaridou, N, Zhao, Z, Mersinias, V, Armaka, M, Xu, Y, Masu, M, Mills, G, Gay, S, Kollias, G & Aidinis, V 2012, 'Autotaxin expression from synovial fibroblasts is essential for the pathogenesis of modeled arthritis', Journal of Experimental Medicine, vol. 209, no. 5, pp. 925-933. https://doi.org/10.1084/jem.20112012
Nikitopoulou I, Oikonomou N, Karouzakis E, Sevastou I, Nikolaidou-Katsaridou N, Zhao Z et al. Autotaxin expression from synovial fibroblasts is essential for the pathogenesis of modeled arthritis. Journal of Experimental Medicine. 2012 May 7;209(5):925-933. https://doi.org/10.1084/jem.20112012
Nikitopoulou, Ioanna ; Oikonomou, Nikos ; Karouzakis, Emmanuel ; Sevastou, Ioanna ; Nikolaidou-Katsaridou, Nefeli ; Zhao, Zhenwen ; Mersinias, Vassilis ; Armaka, Maria ; Xu, Yan ; Masu, Masayuki ; Mills, Gordon ; Gay, Steffen ; Kollias, George ; Aidinis, Vassilis. / Autotaxin expression from synovial fibroblasts is essential for the pathogenesis of modeled arthritis. In: Journal of Experimental Medicine. 2012 ; Vol. 209, No. 5. pp. 925-933.
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