In addition to miRNAs and lncRNAs, exosomal circRNAs that play essential roles in the proliferation, invasion, and metastasis of GC have been reported, such as circSHKBP1 (74), circNRIP1 (59), circNEK9 (75), and circ-RanGAP1 (76). This evidence concerns the gene RANGAP1 and gastric cancer.