BiP expression in duodenal mucosa.

<p>Immunofluorescent confocal analysis on duodenal biopsy samples of a healthy control (A) and a severe enteropathy of a CD patient (B) showing BiP expression (green) and nuclei (red, propidium iodide) (scan zoom 1,7, magnification 63×). Healthy control (C) and severe enteropathy of a CD patient (D) showing BiP (green) and CD138 (red) expression. (scan zoom 4.2 and 3.5, respectively, magnification 63×).</p>