Antibacterial and Immunoregulatory Effects of Metformin against Helicobacter pylori Infection in Rat Model

Table 4

Bacterial colonization and histological findings.

	Bacterial colonization	Ulceration/necrotic tissue	Inflammatory cell infiltrates	Congested blood vessels	Edema
NS	+++	+++	+++	++	++
AMX-1	+	++	++	+	++
AMX-2	-	++	+	+	+
Met-1	+++	+	+	-	+
Met-2	+++	-	+	-	+
Met-1/AMX-1	-	-	+	-	-
Met-1/AMX-2	-	-	+	-	-

To determine bacterial colonization, one biopsy was obtained from each sample.