PRTN3 and rheumatoid arthritis: Additionally, textile dust (OR 2.8, 95% CI 1.6–5.2, similar for ACPA-positive and ACPA-negative RA, but with an interaction with HLA-SE in the former: OR 39.1, 95% CI 5.1–297.5) (222) and inorganic dust (e.g., asbestos, cement) (223) were also linked to RA (224).