“…miRNAs, including miR-21, miR-31, miR-577, etc, act as oncogenes, [19][20][21] while others such as Let-7, miR-98, miR-100, miR-138, miR-143, miR-150, etc, function as tumor suppressors. [22][23][24][25][26][27] However, the role of miR-186 in ESCC progression remains uninvestigated.…”