TLR7 and esophageal cancer: Exosomal FMR1-AS1 is involved in maintaining the dynamic interconversion balance of cancer stem cell-like cells in female esophageal cancer (ESCC) through the TLR7/NFκB/c-Myc signaling pathway by activating TLR7-NFκB signaling and upregulating c-Myc levels in receptor cells [182].