MAPK1 and nasopharyngeal carcinoma: Among these pathways, the p-ERK and p-AKT signaling in breast cancer [16], the LRP6/GSK3β/β-catenin axis in NPC [27], and the cytosolic fatty-acid-binding protein 7 (FABP7)/PPARγ axis in malignant gliomas have been reported [38].