Table 1.
Secretion/Absorption | Barrier | Inflammation | Sensation | |
---|---|---|---|---|
Lumen | Bile acids; short-chain fatty acids | Bile acids | Bacterial proteases/toxins | |
Mucosa | Ion channel expression | Tight junction expression; microRNA expression | MicroRNA expression; neurotransmitters; mesotrypsin | |
Lamina propria | Serine proteases | Mast cells; serine proteases |