Accordingly, the gene expressions of antioxidant genes [42,45,46] such as NFE2L2, SOD1, TXN, GSR, CAT, and GPX1 were evaluated by qRT-PCR following UVC and/or sinularin treatments in oral cancer cells (Ca9-22 and CAL 27) (Figure 8). Here, GSR is linked to lip and oral cavity carcinoma.