MAOB and Alzheimer disease: Indeed, MAO-B+ astrocytes appeared to localize around ThioS+ dense-core plaques (Supplemental Fig. S9), whereas diffuse ThioS-Aβ plaques present in some CTRL donors (not AD/low ADNC in Fig. 1b) did not seem to trigger MAO-B upregulation by astrocytes (Supplemental Fig. S10).