Figure 1.

USP22 mRNA and protein expression primary lung cancer and paired adjacent normal tissues examined by quantitative real-time PCR (A) and western blot analysis (B), respectively. In (A) data were normalized to expression of β-actin. Bars represent the means of USP22 relative expression in cancer tissues and normal tissues. In (B) representative blots of three independent experiments are shown, and the protein size is expressed in kDa. In both (A) and (B) T represents tumor specimens, while N represents non-tumor specimens.