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. 2015 Feb 4;5:23. doi: 10.3389/fonc.2015.00023

Figure 1.

Figure 1

Pancreatic cancer produces constitutively active MAPK. Panels show histological images of invasive ductal adenocarcinoma (A) and its expression of phosphorylated MAPK (B). Staining with hematoxylin and eosin (A) and indirect immunohistochemistry using anti-phosphorylated MAPK antibody (137F5, 1:250; Cell Signaling Technology Inc., Danvers, MA, USA) and a Histofine SAB-PO kit (Nichirei Corp., Tokyo, Japan) according to the manufacturer’s instructions (B). Original magnification was ×200.