Fig. 1

ROS levels in uninfected and L. donovani-infected J774A.1 macrophages. The negative control is represented by uninfected and untreated J774A.1 macrophages while the positive controls are represented by L. donovani-infected J774A.1 cells incubated with either LPS alone or with LPS plus IFN-γ. *indicates significant differences compared to the negative control group; Zindicates significant differences compared to the positive control (LPS) group; #indicates significant differences between the two different concentrations of Ole