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Figure 4 | Breast Cancer Research

Figure 4

From: High-resolution genomic and expression analyses of copy number alterations in HER2-amplified breast cancer

Figure 4

Significant CNAs in HER2+ BC in relation to molecular subtypes. (A) Frequency of gain (red) and loss (green) in 200 HER2+ tumors. Blue regions indicate significant CNAs identified by GISTIC analysis. (B) GISTIC regions differing HER2+ tumors from HER2- tumors classified according to the molecular subtypes as basal-like, luminal A, luminal B and normal-like (P < 0.05, Bonferroni adjusted Fisher's exact test). Each box represents a GISTIC region, red indicates more frequent gain, and green indicates more frequent loss. (C) GISTIC regions differing HER2+/ER- tumors from HER2- tumors classified as basal-like. Regions identified by Bonferroni adjusted Fisher's exact test (P < 0.05). Each box represents a GISTIC region, red indicates more frequent gain, and green indicates more frequent loss. (D) GISTIC regions associated with ER status and DNA ploidy in HER2+ BC. Regions identified by Student's t-test with FDR-adjusted P < 0.05. Each box represents a GISTIC region, red indicates more frequent gain, and green indicates more frequent loss.

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