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. 2021 Sep 16;49(9):0300060520973137. doi: 10.1177/0300060520973137

Figure 1.

Figure 1.

Expression pattern analysis of long noncoding (lnc)RNAs that were differentially expressed in breast cancer (BC). (a) Principal component analysis of each sample. (b) Pearson correlation coefficient analysis was applied to show the pairwise comparison of lncRNAs in each sample. (c) Volcano plot showing differentially expressed lncRNAs between para-carcinoma and BC tissues (P < 0.05). The red points indicate lncRNAs (P < 0.05) and the gray points indicate nondifferentially expressed lncRNAs. Hierarchical cluster analyses of lncRNAs (P < 0.05). Hierarchical clustering analyses of lncRNAs between para-carcinoma and BC tissues (d) with P < 0.05, (e) with P < 0.05 and fold change ≥2 or ≤0.5, and (f) with P < 0.01 and fold change ≥2 or ≤0.5. g1, para-carcinoma tissues; g2, BC tissues; N, normal tissue (or para-carcinoma tissue); C, BC tissue.