Fig. 15From: Caloric restriction and metformin selectively improved LKB1-mutated NSCLC tumor response to chemo- and chemo-immunotherapyQuantification of GPX4 expression in K and KL tumors: Representative image of immunohistochemical staining for GPX4 of K (A) and KL (B) tumors. C, D The percentage of negative cells are represented as the mean of three different samples. Unpaired t test was used for statistical analysis (* p < 0.05). Error bars indicate SDBack to article page