Immunohistochemistry on paraformaldehyde fixed, paraffin embedded, 3 μm thick sections of mouse tumor tissues was performed manually using anti-Ki67 (1:2000), anti-CD31 (1:200) (abcam), anti-cleaved Caspase3 (1:1000), anti-phospho cMET (1:1000), anti-cMET (1:1000), anti-MMP9 (1:1000) (Cell Signaling Technologies), anti-E-cadherin (1:1000) (BD Biosciences) and anti-ILEI (1:1000) [6] primary antibodies and Lab Vision™ UltraVision™ LP Detection System (Thermo Scientific) with 3,3′-diaminobenzidine (DAB) substrate (Dako) for detection according to the manufacturer’s instruction. Cell nuclei were visualized by hematoxylin staining. Histological samples were scanned using a Pannoramic MIDI slide scanner (3D Histech) with a 40X objective. Subsequently, quantification of immunomhistochemistry was performed by the histomorphometric software package Tissue Studio® (Definiens AG). The E-cadherin membrane score was obtained by the formula: 3 x ratio of high membrane staining intensity + 2 x ratio of medium membrane staining intensity +1x ratio of low membrane staining intensity, giving a range of 1 to 3.

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