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Article Dans Une Revue PLoS ONE Année : 2018

Linking systemic angiogenic markers to synovial vascularization in rheumatoid arthritis

Résumé

Background: Neoangiogenesis is a crucial event to promote the development of the hyperplasic proliferative pathologic synovium in Rheumatoid arthritis (RA). Ultrasound (US) is sensitive for detection of power Doppler (PD) vascularization. Objective: To explore the associations between a set of complementary circulating angiogenic markers and a comprehensive US assessment in patients with RA. Patients and methods: Serum levels of eight angiogenic markers were measured by quantitative ELISAs in a total of 125 patients with RA, who were all systematically assessed in parallel by PDUS, performed on 32 joints. Results: Serum levels of soluble Vascular Cell Adhesion Molecule-1 (sVCAM-1) and Tie-2 were more likely to be increased in patients with synovial hyperemia detected on at least one joint (Power Doppler grade ≥1). sVCAM-1, Tie-2 and Angiostatin concentrations gradually increased together with the grade of the semiquantitative PDUS scale and concentrations of these three markers were markedly increased in patients with moderate to marked hyperemia (Power Doppler grade 2 and 3). Levels of sVCAM-1, Tie-2, and Angiostatin correlated with a global arthritis sum score, defined by the sum of the semiquantitative PDUS scores for all joints examined. Levels of Tie-2 and Placenta Growth Factor (PlGF) were associated with PDUS features indicating residual disease activity. Conclusion: Our results support the relevance of measuring serum levels of vascular markers to evaluate the intensity and extent of synovial vascularization. Angiogenic markers, and particularly Tie-2, could be a valuable surrogate of active synovitis and their place in relation to PDUS in clinical practice deserve further investigation.
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hal-03828609 , version 1 (25-10-2022)

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Agathe Leblond, Sonia Pezet, Anne Priscille Trouvin, Muriel Elhai, Virginie Gonzalez, et al.. Linking systemic angiogenic markers to synovial vascularization in rheumatoid arthritis. PLoS ONE, 2018, 13 (9), pp.e0203607. ⟨10.1371/journal.pone.0203607⟩. ⟨hal-03828609⟩
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