CCR6 and colitis: CCR2–CCL2/7/8CCR3 – CCL11 (UC)CCR4 – CCL17 (murine colitis)CCR6 – CCL20CCR9 – CCL25 (UC)CXCR1 – CXCL5/6/8CXCR2 – CXCL1/2/5/6CXCR3 – CXCL9/10/11