Figure 3.

Immunohistochemical staining of positive control (G1) tissue using antibody against COX-2. Immunoreactivity was present throughout the epithelial cells (100× magnification) (1). Immunohistochemical staining of G2 tissue using antibody against COX-2 showing weaker staining compared to G1 (100× magnification) (2). Immunohistochemical staining of negative control (G5) tissue using antibody against COX-2 (100× magnification)(3).

Latifah et al. Nutrition Journal 2010 9:16   doi:10.1186/1475-2891-9-16
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