IL10 and gastritis: In parallel, H. pylori-administered mice demonstrated gastritis with inflammatory responses (Figure 6A–E), as indicated by the prominent histological scores based on inflammatory cell infiltration and epithelial damage (Figure 6A,B and Figure 7A,B) and increased inflammatory cytokines (IL-6 and TNF-α, but not IL-10) in the stomach (Figure 6C–E).