found that frequent up-regulation of lncRNA COL1A1-014 in GC tissues and cells increased the mRNA expression of chemokines ligand (CXCL12) in GC cells and increased the expression of CXCL12 and CXCR4 proteins through sponge absorption of miR-1273H-5p (135). Here, CXCL12 is linked to gastric cancer.