Research Paper Volume 13, Issue 15 pp 19789—19804

Comprehensive analysis of new prognostic signature based on ferroptosis-related genes in clear cell renal cell carcinoma

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Figure 4. Experimental verification of four genes in the prognostic signature. (AH) Immunohistochemical images of expression of the four proteins from the prognostic signature in non-tumor tissue samples (A, C, E, G) and tumor samples (B, D, F, H). (I) mRNA expression levels of 4 ferroptosis-related genes were evaluated using qRT–PCR in ccRCC samples and normal samples. *, P < 0.05; **, P < 0.01; ***, P < 0.001.