We identified eight HSP70-coding family genes that were significantly up-regulated in BCC compared to PTS epithelial cells, including HSP12A2, HSPA13, HSPA1A, HSPA1B, HSPA1L, HSPA6, HSPA8, and HSPA9 (Fig. 6A and fig. Here, HSPA9 is linked to skin basal cell carcinoma.