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Figure 2 | BMC Cancer

Figure 2

From: Genetic and epigenetic silencing of the beclin 1gene in sporadic breast tumors

Figure 2

Immunohistochemical analysis of beclin 1 expression in breast tissues. Photographs were taken at × 200 magnification. A brown color represents positive staining of beclin 1. Counterstaining of nuclei was performed with hematoxylin as a blue color. (A) Positive staining of beclin 1 in adjacent normal breast epithelial cells; (B) Positive staining of beclin 1 in a breast tumor; (C) Weak immunoreactivity of beclin 1 in a breast tumor; (D) Negative control of beclin 1 staining in a breast tumor.

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