Adhesion molecule expression on cNK and ILC22 cells. (A) The individual chains of the α4/β1 (very late activation Ag 4) receptor are brightly expressed on HSC-derived CD56⁺LFA-1⁻ ILC22 cells and to a lesser degree on CD56⁺LFA-1⁺ cNK cells. Both CD56⁺ populations express integrin β7 at similar levels. (B) Expression of CXCR5 and CCR6 is higher on ILC22 cells (solid) relative to cNK cells (dotted line). Gray-filled histograms are mouse immunoglobulin G control. Results are representative of 15 donors. Similar findings were observed in ILC22 cells isolated from tonsils and PB cNK cells. IgG, immunoglobulin G.