Effect of lipopolysaccharide on diarrhea and gastrointestinal transit in mice: Roles of nitric oxide and prostaglandin E2

Figure 2 Time course of lipopolysaccharide (LPS) on protein expression of iNOS and COX-2 in the small intestine of mice. Mice were administered with LPS (20 mg/kg) for indicated times and the total cell lysates were used to perform the Western blot as described in the “Materials and Methods.”