Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 14, 2011; 17(6): 789-795
Published online Feb 14, 2011. doi: 10.3748/wjg.v17.i6.789
Figure 4
Figure 4 Proliferating cell nuclear antigen immunohistochemical staining. A: Distribution of proliferating cell nuclear antigen (PCNA) positive cells in normal bile duct (original magnification, × 100); B, C: Positive PCNA cells distributed in glandular-epithelia and peribiliary glands in 2- and 3-mo groups, respectively (B: original magnification, × 100; C: original magnification, × 200); D: Positive PCNA cells located mainly in glandular elements and epithelium cells (original magnification, × 100).