Fig. 2From: Anti-Leishmania major activity of Calotropis procera extract by increasing ROS production and upregulating TNF-α, IFN-γ and iNOS mRNA expression under in vitro conditionsMTT assay of L. major promastigotes viability after C. procera leaf extract treatments. Data are expressed as mean of % cell viability ± standard deviation. Significant statistical differences in relation to control are indicated as (*), (**), and (***) at the 0.05, 0.01 and 0.001 levels, respectivelyBack to article page