On the other hand, trastuzumab did not reduce the tumor growth of Ishikawa cells in xenograft mice (Fig. 6a). immunohistochemistry and RT-PCR to determine the protein and mRNA expression levels of EGFR. Western blot and WST-1 assays of EGFR ND-646 siRNA-transfected HEC-1A, KLE, and Ishikawa cells were used to evaluate Continue Reading