Fig.1.

Endogenous RNA and protein expression of ErbB family members. (A) Heat map of the expression of ERBB genes [in log₂(FPKM)] in bladder cancer cell lines from RNA-Seq analysis. ErbB family members are listed in the rows (EGFR, ERBB2, ERBB3, ERBB4) and cell lines are listed along the columns. (B) Western blot of whole cell lysates from human bladder cancer cell lines, whose names are listed above each lane, which were probed with EGFR and HER2 antibodies. Actin was used as a loading control.