Fig. 2From: Claudin-12 is not required for blood–brain barrier tight junction functionClaudin-12 expression in the CNS. Immunohistochemical staining of frozen brain sections from WT, Tie2-lacZ and claudin-12lacZ/+ C57BL/6J mice for β-galactosidase activity (blue), with examples of the cortex, meninges and choroid plexus. Three independent stainings were done. Boxed areas are shown in higher magnification. Scale bars = 10 μm and 50 μm, as indicatedBack to article page