Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Oct 21, 2016; 22(39): 8798-8805
Published online Oct 21, 2016. doi: 10.3748/wjg.v22.i39.8798
Figure 3
Figure 3 Representative micrographs showing different intensities of immunohistochemical stain against cyclooxygenase-2 and prostaglandin E1 receptor in tissues with different histological grades (Edmondson grade I-IV). Magnification, × 100. Cyclooxygenase-2 (COX-2) expression level decreased with lower grade of differentiation, while EP1 receptor expression increased with lower grade of differentiation.