PON2 and lip and oral cavity carcinoma: Other studies about the relation of PON2 and cancer demonstrated that PON2 contributes to the progression and metastasizing of pancreatic cancer by stimulating glucose uptake [56], accelerates the proliferation of and resistance to oxidative stress in bladder cancer [152], protects glioblastoma cells against apoptosis [153], and reduces the sensitivity of oral cancer cells to radiation therapy [60].