MBP and Alzheimer disease: Importantly, the average eosinophil MBP levels (± SEM) in the patients’ sera with AD (n = 130), AR (n = 120) and BA (n = 145) were 11.97 ± 1.86, 14.39 ± 0.92 and 8.86 ± 0.77 ng/ml, respectively (Fig. 2b–d).