FGFBP1 and lip and oral cavity carcinoma: A vitamin D analog, eldecalcitol (ED-71)-induced exosomal miR-6887-5p, suppresses oral cancer cell proliferation by targeting the 3′-UTR of heparin-binding protein 17/fibroblast growth-factor-binding protein-1 (HBp17/FGFBP-1) [180].