PTBP1 and nasopharyngeal carcinoma: Literature search has revealed different targets of miR-124 in different tissues and tumor types, such as Foxq1 in nasopharyngeal cancer, CCAAT/enhancer-binding protein-α in macrophages, PTBP1 in neuronal differentiation, and CAV1 and FLOT1 in renal clear cell carcinoma [18–20].