Figure 3. SAG may be involved in COPB2-related signaling. (A) Top 10 genes positively correlated to SAG expression in breast cancer. (B) Correlation between SAG and COPB2 analyzed using cBioPortal for Cancer Genomics. (C) Heat map of the correlation between SAG and COPB2. Co-expression of SAG and COPB2 in luminal A (D), luminal B (E), HER2-expressing (F) and basal-like (G) breast cancers analyzed using bc-GenExMiner 4.3.