The Human Protein Atlas (http://www.proteinatlas.org/) database analysis showed that UHRF1, EZH2, TTF2, PCNA, and WHSC1 protein levels were significantly upregulated in NSCLC tissues compared to the normal lung tissues (Figure 4A–4C, 4E, 4F). Here, EZH2 is linked to non-small cell lung carcinoma.