Figure 3

TREM2 immunohistochemistry of Alzheimer's disease (AD) brains. The panels represent serial sections of (a) AD, the hippocampus, Iba1; (b) AD, the same region as (a), HPA010917; (c) AD, the same region as (a), DAP12; (d) AD, the frontal white matter, Iba1; (e) AD, the same region as (d), HPA010917; and (f) AD, the same region as (d), DAP12. In (b), an arrow indicates an intravascular TREM2-expressing monocyte/macrophage.