TGFBR3 and nasopharyngeal carcinoma: To examine the effects of miR-18a from M2 macrophage on viability and colony formation ability of NPC cells, miR-18a mimics-, miR-18a inhibitors-, si-TGFBR3-, or OE-TGFBR3-transfected M2 macrophages were co-cultured with SUNE-1 cells or CNE2 cells in the Transwell chamber.