Fig. 1From: Immune response and protective effect against chronic Toxoplasma gondii infection induced by vaccination with a DNA vaccine encoding profilinAnalyses of expression of TgPF gene on HEK293 cells by indirect immunofluorescence (IFA) at 48 h post-transfection. a empty vector pVAX I; b HEK293 cells transfected with pVAX-PFBack to article page