CDK8 and gastric cancer: However, Li et al25 reported an opposite role that miR‐107 was up‐regulated in GC tissues and promoted GC cell proliferation by negatively targeting FOXO1; Song et al26 identified that as an oncogene, miR‐107 promoted proliferation of GC by regulating CDK8; Wang et al27 also indicated that miR‐107 was up‐regulated in GC, and suppressed the proliferation and invasion by negatively regulating NF1 expression.