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. 2016 Apr 14;22(14):3852–3859. doi: 10.3748/wjg.v22.i14.3852

Figure 1.

Figure 1

Comparison of immunohistochemical staining of αvβ6 and MMP-9 in the same gastric cancer specimen evaluated with formalin-fixed, paraffin-embedded tissue (streptavidin-peroxidase method; original magnification × 400). Positive αvβ6 expression was detected predominantly in the cell membrane, and matrix metalloproteinase 9 (MMP-9) mainly exhibited a cytoplasmic immunostaining in tumor cells. A: Positive αvβ6 expression; B: Negative αvβ6 expression; C: Positive MMP-9 expression; D: Negative MMP-9 expression.