Figure 6From: Concurrent infection with porcine reproductive and respiratory syndrome virus and Haemophilus parasuis in two types of porcine macrophages: apoptosis, production of ROS and formation of multinucleated giant cells Typical examples of multinucleated giant cells of MDMs infected with H. parasuis (24 h PI). MDMs were stained with DAPI to label the nuclei (blue) and with Alexa Fluor 594 conjugate phalloidin to label the cytoskeleton (red).Back to article page