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Table 2 Histological characteristics of gastric lesions in M. unguiculatus infected with H. pylori based on the updated Sydney System

From: Differential expression of miRNA-146a and miRNA-155 in gastritis induced by Helicobacter pylori infection in paediatric patients, adults, and an animal model

Stage of infection Length of Infection (months) Activity Atrophy Metaplasia
Control 0 0 0 0
Colonization 3 1 N N
Persistence 6 2 L N
Chronicity 12 3 M N
Chronicity 18 3 M L
  1. Activity: 0 (null); 1 (mild); 2 (Moderate); 3(severe)
  2. N Negative, L Light, M Moderate