MMP9 and lip and oral cavity carcinoma: Regarding the effective concentration, GLY extracts showed an inhibition of TNF-α level in oral carcinoma cells at more than 0.2 mg/mL, cell migration, and MMP-9 production in VSMCs at more than 0.125 mg/mL, and angiogenesis of HUVEC at 1.0–1.5 mg/mL [22,24,25].