H. Berntzen, U. Olmez, M. Fagerhol, and E. Munthe, The Leukocyte Protein L1 in Plasma and Synovial Fluid from Patients with Rheumatoid Arthritis and Osteoarthritis, Scandinavian Journal of Rheumatology, vol.48, issue.2
DOI : 10.1002/art.1780300108

T. Uchida, A. Fukawa, M. Uchida, K. Fujita, K. Saito et al., Application of a novel protein biochip technology for detection and identification of rheumatoid arthritis biomarkers in synovial fluid The major leukocyte protein L1 as an indicator of inflammatory joint disease A longitudinal study of the leukocyte protein L1 as an indicator of disease activity in patients with rheumatoid arthritis Calprotectin in patients with rheumatoid arthritis: relation to clinical and laboratory variables of disease activity Measurement of plasma calprotectin as an indicator of arthritis and disease activity in patients with inflammatory rheumatic diseases, 495?9. 101416?20. 12. Brun JG859?62. 13. Brun JG, pp.733-741, 1988.

H. Hammer, S. Odegard, M. Fagerhol, R. Landewé, D. Van-der-heijde et al., Calprotectin (a major leucocyte protein) is strongly and independently correlated with joint inflammation and damage in rheumatoid arthritis, ):1093?7. 15. Hammer HB, 2007.
DOI : 10.1136/ard.2006.064741

F. Guillemin, Prevalence of Rheumatoid Arthritis in France, AnnRheumDis.oct, pp.1427-1457, 2001.

N. J. Minaur, Outcome after 40 Years with Rheumatoid Arthritis: A

F. Costantino and M. Breban, G??n??tique??: les nouveaux ??l??ments, Revue du Rhumatisme Monographies, vol.81, issue.4, pp.230-264, 2014.
DOI : 10.1016/j.monrhu.2014.06.005

J. A. Hill, Cutting Edge: The Conversion of Arginine to Citrulline Allows for a High-Affinity Peptide Interaction with the Rheumatoid Arthritis-Associated

C. Lukas, Favorable effect of very early disease-modifying antirheumatic drug treatment on radiographic progression in early inflammatory arthritis: Data from the ??tude et Suivi des Polyarthrites Indiff??Renci??es r??centes (Study and Followup of Early Undifferentiate, Arthritis & Rheumatism, vol.31, issue.7, pp.1804-1815, 2011.
DOI : 10.1002/art.30371

B. Haraoui, Treating Rheumatoid Arthritis to Target: multinational recommendations assessment questionnaire, Annals of the Rheumatic Diseases, vol.70, issue.11, pp.1999-2002
DOI : 10.1136/ard.2011.154179

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3273732

M. A. Van-leeuwen, Interrelationship of Outcome Measures and Process Variables in Early Rheumatoid Arthritis. A Comparison of Radiologic Damage, Physical Disability, Joint Counts, and Acute Phase Reactants, The Journal of Rheumatology, pp.425-454, 1994.

D. Aletaha and J. S. Smolen, Joint damage in rheumatoid arthritis progresses in remission according to the Disease Activity Score in 28 joints and is driven by residual swollen joints, Arthritis & Rheumatism, vol.67, issue.Suppl III, pp.3702-3713
DOI : 10.1002/art.30634

D. Aletaha, F. Alasti, and J. S. Smolen, Rheumatoid arthritis near remission: clinical rather than laboratory inflammation is associated with radiographic progression, Annals of the Rheumatic Diseases, vol.70, issue.11, pp.1975-80
DOI : 10.1136/ard.2011.153734

C. Deprouw, Quelle est la place de la synovite ??chographique dans le diagnostic de polyarthrite rhumato??de??? Revue syst??matique de la litt??rature de ses propri??t??s psychom??triques, Revue du Rhumatisme, vol.83, 2017.
DOI : 10.1016/S1169-8330(16)30643-3

O. Epis, Use of ultrasound in treatment decisions for patients with rheumatoid arthritis: an observational study in Italy, Clinical Rheumatology, vol.72, issue.6, pp.1923-1952
DOI : 10.1136/annrheumdis-2012-203158

R. J. Wakefield, Musculoskeletal Ultrasound Including Definitions for Ultrasonographic Pathology, The Journal of Rheumatology, pp.2485-87, 2005.

P. Mandl, A Systematic Literature Review Analysis of Ultrasound Joint Count and Scoring Systems to Assess Synovitis in Rheumatoid Arthritis According to the OMERACT Filter, The Journal of Rheumatology, vol.38, issue.9, pp.2055-62
DOI : 10.3899/jrheum.110424

I. Janta, Ultrasound-detected activity in rheumatoid arthritis on methotrexate therapy: Which joints and tendons should be assessed to predict unstable remission?, Rheumatology International, vol.70, issue.11, pp.387-96
DOI : 10.1007/s00296-015-3409-8

A. Baillet, Synovial fluid proteomic fingerprint: S100A8, S100A9 and S100A12 proteins discriminate rheumatoid arthritis from other inflammatory joint diseases, Rheumatology, vol.49, issue.4, pp.671-82, 2010.
DOI : 10.1093/rheumatology/kep452

URL : https://hal.archives-ouvertes.fr/inserm-00527450

B. Combe, The ESPOIR Cohort: A Ten-Year Follow-up of Early Arthritis in France: Methodology and Baseline Characteristics of the 813 Included Patients Joint, pp.440-485, 2007.

E. Leclerc, Binding of S100 proteins to RAGE: An update, Biochimica et Biophysica Acta (BBA) - Molecular Cell Research, vol.1793, issue.6, pp.993-1007, 2009.
DOI : 10.1016/j.bbamcr.2008.11.016

T. Vogl, Mrp8 and Mrp14 are endogenous activators of Toll-like receptor 4, promoting lethal, endotoxin-induced shock, Nature Medicine, vol.267, issue.9, pp.1042-1091, 2007.
DOI : 10.1038/nm1638

J. F. Baker, Development and Validation of Modified Disease Activity Scores in Rheumatoid Arthritis: Superior Correlation With Magnetic Resonance Imaging-Detected Synovitis and Radiographic Progression, Arthritis & Rheumatology, vol.64, issue.Suppl 39, pp.794-802
DOI : 10.1002/art.38304

L. M. Jansen, Predictors of radiographic joint damage in patients with early rheumatoid arthritis, Annals of the Rheumatic Diseases, vol.60, issue.10, pp.924-951, 2001.
DOI : 10.1136/ard.60.10.924

H. Hammer and T. K. Kvien, Comparisons of 7- to 78-joint ultrasonography scores: all different joint combinations show equal response to adalimumab treatment in patients with rheumatoid arthritis, Arthritis Research & Therapy, vol.13, issue.3, pp.1349-1351, 2011.
DOI : 10.1002/art.22190

R. Falk, Anti-neutrophil cytoplasmic autoantibodies induce neutrophils to degranulate and produce oxygen radicals in vitro., Proceedings of the National Academy of Sciences of the United States of America, pp.4115-4134, 1990.
DOI : 10.1073/pnas.87.11.4115

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC54058

R. J. Pepper, S100A8/A9 (Calprotectin) Is Critical for Development of Glomerulonephritis and Promotes Inflammatory Leukocyte???Renal Cell Interactions, The American Journal of Pathology, vol.185, issue.5, pp.1264-74, 2015.
DOI : 10.1016/j.ajpath.2015.01.015

E. Kruithof, Identification of synovial biomarkers of response to experimental treatment in early-phase clinical trials in spondylarthritis, Arthritis & Rheumatism, vol.42, issue.6, pp.1795-1804, 2006.
DOI : 10.1002/art.21914

M. C. Turina, Calprotectin serum level is an independent marker for radiographic spinal progression in axial spondyloarthritis, Annals of the Rheumatic Diseases, vol.71, issue.9, pp.1746-1794
DOI : 10.1136/annrheumdis-2014-205506