Vitamin A Inhibits Development of Dextran Sulfate Sodium-Induced Colitis and Colon Cancer in a Mouse Model

Figure 9

Representative dysplasia induced by a single preinjection of azoxymethane (7.4 mg/kg) 14 days prior to intake of 1% DSS for 7 subsequent days. (a) Depressed low grade dysplasia, (b) flat low grade dysplasia, (c) flat high grade dysplasia, and (d) elevated high grade dysplasia.

(a)

(b)

(c)

(d)