MMP2 and lip and oral cavity carcinoma: Kaempferol (20, 40, 60, 80, and 100 μM) also suppressed mRNA expression of MMP-2 to restrain the migration of oral cancer cells via inhibiting the c-Jun pathway and extracellular signal-regulated protein kinases 1 and 2 (ERK1/2) phosphorylation in a dose-dependent manner (Lin et al.