Systemic immune responses to oral administration of recombinant attenuated Salmonella typhimurium expressing Helicobacter pylori urease in mice

Table 1 Detection of intestinal IgA and serum IgG (A₄₅₀, mean±SD).

	PBS group	SL3261 group	Vaccine group
Serum IgG	0.053±0.022	0.142±0.039	0.373±0.100b

^bP<0.01 vs PBS and SL3261 control groups.

Table 2 Measurement of IFN-γ and IL-10 (pg/mL, mean±SD).

	PBS group	SL3261 group	Vaccine group
IFN-g	35.68±3.55	118.74±16.84b	167.53±29.93b
IL-10	56.00±7.15	68.02±15.03	275.13±27.65d

^bP<0.01 vs PBS group.

^dP<0.01 vs PBS and SL3261 groups.