RETN and neoplasm: Separate analyzes using the independent TCGA 1,105-sample breast cancer data set showed a positive correlation between the CAP1 mRNA expression and protein levels (Pearson's r = 0.36; Figure 6F), while only a weak positive correlation between CAP1 and resistin (RETN) tumor expression (Pearson's r = 0.16; Figure 6G).