Table 3

Quantitative histological examination and ELISA of isolated vascularly perfused rat colon after luminal administration of short chain fatty acids

Percent of cavitated
mucus cells
Number of mucus cells/crypt n Mucin
(μg/mg DNA)
n
Control group11.9 (2.8)30.1 (1.5)7144.7 (13.4)9
Butyrate 5 mM26.1 (2.0)3-150 29.5 (1.2)11338.1 (63.6)3-150 9
Butyrate 100 mM9.8 (0.7)31.3 (0.6)6164.6 (17.7)6
Propionate 5 mM16.7 (2.3)31.2 (1.4)5190.3 (28.3)6
Propionate 100 mM16.6 (4.8)28.4 (1.0)5215.3 (30.1)6
Acetate 5 mM16.2 (5.3)32.5 (1.1)6176.9 (40.2)6
Acetate 100 mM26.9 (4.8)3-150 32.4 (0.7)8381.3 (50.6)3-150 6
  • Values are mean (SE); n = no of animals. Cavitation of mucus cells is the hallmark of accelerated mucus discharge by a process of compound exocytosis.

  • 3-150 p<0.05 compared with control group.