JAM3 and infection: In comparison to the pancreas of uninfected RIP-LCMV-GP mice, the expression of JAM-C was increased significantly (p<0.05) at days 2, 7, peaked at day 10 (p = 0.0001) and day 14 (p = 0.015), and declined again at day 21 and 28 after LCMV-infection (Figure 2C).