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Figure 3 | BMC Cancer

Figure 3

From: MMP-9 expression varies according to molecular subtypes of breast cancer

Figure 3

Validation of MMP-9 antibody specificity for IHC studies. (A) Human colorectal carcinoma with intense cytoplasmic labeling of the cancer cells after incubating the section with MMP-9 primary antibody. (B) Adjacent section from the same colorectal tumor incubated with a non-immune serum that contains IgG (same isotype/ same species) showing complete lack of expression of MMP-9. (C) Benign myofibroblastoma of breast tissue and (D) Benign breast fibroadenoma do not express MMP-9. Magnification 20X (A-D).

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