LYZ and pouchitis: Although the pouch tissue had a higher lysozyme mRNA level than the terminal ileum, pouchitis (PS) tissue has a lower lysozyme level compared to a normal pouch (NP) (1.35 ± 0.29 vs. 1.00 ± 0.00, p = 0.03; 0.78 ± 0.45 vs. 1.35 ± 0.29, p = 0.04, respectively; Figure 1B).