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
Colonization
3
1
N
Persistence
6
2
L
Chronicity
12
M
18