Fig. 7From: Recombinant L. lactis vaccine LL-plSAM-WAE targeting four virulence factors provides mucosal immunity against H. pylori infectionDetection of lymphocyte responses and antibodies specific for H. pylori. Samples of sera, stomach, intestine and feces were collected to identify the levels of serum IgG (a) and immunoglobulin A (b). Splenetic lymphocytes were isolated for proliferation analysis (c). ELISA was used to measure IFN-γ (d), IL-4 (e), and IL-17 (f) in the supernatantBack to article page