Fig. 1.

Immunohistochemical analysis of CCR5 and CXCR4 immunoreactivity in mouse brain. a–d, sections were stained with CCR5 (red) and NeuN (green) antibodies. e–h, sections were stained with CXCR4 (green) and NeuN (red) antibodies as described in the Materials and Methods section. Orange denotes co-localization. a and e, cerebellar cortex; b and f, hippocampus; c and g, striatum; d and h, cerebral cortex. White arrows indicate neuronal cell bodies, and purple arrows indicate fibers. Images are higher magnifications (60×) of inserts. Bar = 20 µm; bar in inserts are 100 µm