APOA1 and rheumatoid arthritis: First, we could not compare plasma levels of ApoC-2, ApoA-1, 14–3–3 protein ζ/δ, and ITIH4 in patients with TAK with those in patients with other inflammatory diseases, such as systemic lupus erythematosus, rheumatoid arthritis, coronary artery diseases, and other bacterial infectious diseases.