IL15 and amyotrophic lateral sclerosis: In addition, concentrations of MIP-1β (p = 0.0002; Figure 2E), IL-15 (p = 0.033; Figure 2F), IP-10 (p = 0.014; Figure 2G), and TARC (p = 0.004; Figure 2H) were significantly enhanced in ALS patients compared to healthy controls.