Furthermore, patients with AD displayed elevated blood eosinophil counts and plasma levels of IL-5, which has an important role in eosinophils development and survival.22 Consistent with this report, we found increased expression of eotaxin-2 within 6 days, peaking at 9 days, indicating eosinophil activation (Figure 1l). This evidence concerns the gene CCL24 and Alzheimer disease.