Table 1: Acute and chronic unpredictable stress-induced alterations in dopamine, prostaglandin E2 levels, histopathological changes, and mean ulcer score in gastric tissues.

Parameters in gastric tissuesModels
NonstressAcute stressChronic unpredictable stress

Dopamine levels
Prostaglandin E200
Histopathological changes
Mean ulcer score
Plasma corticosterone0↑↑

This information was obtained from our previous paper [39]. Plasma corticosterone was shown as stress marker. Symbols represent the following: 0: no effect, : small decrease, ↓↓: large decrease, ↑: small increase, and ↑↑: large increase.