In a microfluidic capillary adhesion assay the widely used PC3-ML prostate carcinoma cell line, which expresses CX3CR1 (Fig. 7 b; Shulby et al., 2004), bound to immobilized ss-EEV and TNFα-EEV fractions (Fig. 7, c and d). Here, CX3CR1 is linked to prostate carcinoma.