Proteins involved in the endoplasmic reticulum stress are key players in synovitis of osteoarthritis, chronic pyrophosphate arthropathy and rheumatoid arthritis, and correlate with the histological inflammatory score. Issue 1 (April 2020) - de Seny, D.; Bianchi, E.; Baiwir, D.; Cobraiville, G.; Collin, C.; Deliège, M.; Kaiser, M.-J.; Mazzucchelli, G.; Hauzeur, J.-P.; Delvenne, P.; Malaise, M.