The MNC-NAIP levels in healthy controls and in ALS patients ranged from 0.66 to 2.35 ng/μg (average, 1.34 ± 0.61 ng/μg) and from 0.28 to 1.43 ng/μg (average, 0.62 ± 0.29 ng/μg), respectively (Fig. 1B). Here, NAIP is linked to amyotrophic lateral sclerosis.