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
0↓↓
Prostaglandin E200
Histopathological changes
0↑↑
Mean ulcer score
0↑↑
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.