CXCL5 and gastric cancer: To further verify whether miR-4766-5p affect cell proliferation, migration and invasion of GC cells by regulating CXCL5, BGC-823 and SGC-7901 cells were transfected with miR-NC, miR-4766-5p mimics, miR-4766-5p mimics + pcDNA or miR-4766-5p mimics + CXCL5, respectively.