Fig. 1.

TweakR is expressed in invasive breast cancer samples and is co-expressed with HER2. Immunohistochemistry staining for TweakR expression was performed in normal adjacent tissue (a) and infiltrating tumor tissue (b) from the same case of breast cancer (200× magnification). c TweakR expression in bone metastases from breast cancer (200× magnification). d Double staining of TweakR (brown) and HER2 (Red) in a ductal breast cancer sample (400× magnification). Representative images are shown here