PKCα immunoreactivity in gastric carcinoma of various histologic type and differentiation.

<p><b>a</b> normal gastric glands showing negative immunostaining, <b>b</b> negative immunostaining in a moderately-differentiated adenocarcinoma of intestinal type, <b>c</b> negative immunostaining in a poorly-differentiated adenocarcinoma of intestinal type, <b>d</b> negative immunostaining of signet-ring cells in a diffuse type adenocarcinoma, <b>e</b> weakly positive immunostaining in a moderately-differentiated adenocarcinoma of intestinal type, <b>f</b> moderately positive immunostaining in a well-differentiated adenocarcinoma of intestinal type, <b>g</b> moderately positive immunostaining in a moderately to poorly-differentiated adenocarcinoma of intestinal type, <b>h</b> moderately positive immunostaining in a diffuse type adenocarcinoma, and <b>i</b> strongly positive immunostaining in a moderately-differentiated adenocarcinoma of intestinal type. Magnification: X200.