From the 26 chemokines analysed in this study CCL4, CCL7, CCL8, CCL14, CCL16, CCL19 and CCL22 were present on ≥60% of vessels, of which CCL7, CCL14, CCL16 and CCL22 had not previously been identified as present in RA ECs. The gene discussed is CCL22; the disease is rheumatoid arthritis.