Research Article

Multivalent Fusion DNA Vaccine against Brucella abortus

Figure 3

Cytokine levels quantified by ELISA sandwich. Production of (a) IFN-γ and (b) IL-4, present in the supernatant of splenocytes stimulated in vitro with 2 or 10 μg/ml of R273S, R278S, or R273-278S recombinant proteins for 72 h. Results are plotted as mean ± standard deviation. indicates statistically significant values.
(a)
(b)