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A specific anti-citrullinated protein antibody profile identifies a group of rheumatoid arthritis patients with a toll-like receptor 4-mediated disease

Hatterer, E;Shang, L;Simonet, P;Herren, S;Daubeuf, B;Teixeira, S;Reilly, J;Elson, G;Nelson, R;Gabay, C;Sokolove, J;McInnes, IB;Kosco-Vilbois, M;Ferlin, W;Monnet, E;De Min, C;

Increased expression of toll-like receptor 4 (TLR4) and its endogenous ligands, is characteristic of rheumatoid arthritis (RA) synovitis. In this study, we evaluated how these TLR4 ligands may drive pathogenic processes and whether the fine profiling of anti-citrullinated protein antibodies (ACPA) based on their target specificity might provide a simple means to predict therapeutic benefit when neutralizing TLR4 in this disease.