IL6 and cyst: In contrast, as shown in Figs. 3, 4 and 5, there was a relative increase in expression levels of all the proinflammatory gene tested (TNF-α, IL-6 and interferon (IFN)-γ) in EB-stained capsules compared to clear capsules from untreated pigs and brain tissues from infected pigs distant from the cyst location.