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Table 2 Semiquantitative analysis of relative protein expression levels of ErbB1-4 in MCF-7 and MDA-MB-231 cells as determined by western blot analysis.

From: Colocalization of somatostatin receptors and epidermal growth factor receptors in breast cancer cells

  MCF-7 MDA-MB-231
ErbB1 ++++ ++++
ErbB2 ++ +++
ErbB3 +++ +
ErbB4 ++ ++
  1. ++++ strong +++ moderate ++ mild + weak