a monoclonal antibody , ki-67 , that reacts with cells in the proliferative phases ( g1 , g2 , s , and m ) of the cell cycle was used in an immunohistochemical labeling reaction to examine the colonic crypt epithelium in active ulcerative colitis , inactive ulcerative colitis , and normal mucosa .
C0009319
colitis
C0009324
ulcerative colitis