Figure 3. NAMPT distribution in cortex of young and aged mice.

NAMPT is primarily distributed in NeuN-positive neurons (A and D), and is rare in GFAP-positive astrocytes (B and E). NAMPT is absent in Iba1-positive microglia of young mice but is expressed in this cell type of aged mice (C and F). Immunostaining was repeated on three mice. Scale bars = 100 µm.