CCR1 and rheumatoid arthritis: In addition, chemokine receptors control the recruitment of neutrophils (CXCR1 and CXCR2), T helper type 1 (TH1) cell (CXCR3), lymphocyte (CXCR4), B cell (CXCR5), TFH cells (CXCR5), T cell (CXCR6, CCR5 and CCR6), monocyte (CCR1, CCR2, CCR5-7, CCR9 and CCR10) and DCs (CCR9) into the inflamed joints in human RA and in animal models (Figure 1) (10), (17), (18), (19), (20), (22), (23), (26), (35), (36).