FN1 and gastric cancer: Thus, LSECtin regulated STAT1, FN1 and CHD4 expression through the circFBXL4/miR-146a-5p axis, which was confirmed by Western blot analysis, and affected the adhesion, proliferation, migration and invasion of GC cells through the circFBXL4/miR-146a-5p/STAT1 axis, which might regulate GC lymphatic metastasis.