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. Author manuscript; available in PMC: 2009 Sep 5.
Published in final edited form as: Neurosci Lett. 2008 Jun 27;442(1):77–80. doi: 10.1016/j.neulet.2008.06.068

Fig. 1.

Fig. 1

NKAα1 immunoreactivity (A–B) was present on in the choroid plexus at all ages examined from E15 to adult. At E15 (A) only a few cells were positive (arrows) and the number of positive cells increased with age and at P9 (B) most cells were strongly immunopositive (arrows). The immunoreactivity was located exclusively on the apical membrane at all ages examined (E15, E18, P0, P9 and adult). CAII immunoreactivity (C–D) was not detected between E15 (C) and P0 (not illustrated), but was detected at P9 (D). At P9 the immunoreactivity was cytosolic and present in most of the epithelial cells (arrows). Sections were counterstained with toluidine blue. E is the embryonic day, P is the postnatal day, NKAα1 is the Na, K-ATPase α1-subunit and CAII is carbonic anhydrase II. Scale bar 50 μm.