Table 1.

Expressions ^† of AQPs in cerebral cortex, cerebellum, choroid plexus, brain cells and neural stem cells.

AQP Isoforms	Cerebral Cortex	Cerebellum	Choroid Plexus	Astrocyte	Oligodendrocyte	Neuron	Neural Stem Cell
AQP1	Yes [48]	Yes [49]	Yes [48,50]	Yes [48]	-	Yes [48]	-
AQP3	Yes [51,52]	Yes [52]	Yes [52]	Yes [51,52]	-	Yes [51,52]	-
AQP4	Yes [53,54]	Yes [54]	-	Yes [41,53,54]	-	-	Yes [41,42]
AQP5	Yes [52,53]	Yes [52]	Yes [52,55]	Yes [53]	-	Yes [52]	-
AQP6	-	Yes [56]	-	-	-	Yes [57]	-
AQP7	-	-	Yes [58]	-	-	-	-
AQP8	Yes [51,52]	Yes [52]	Yes [52]	Yes [51,52]	Yes [51]	Yes [51,52]	Yes [59]
AQP9	Yes [60]	Yes [61]	-	Yes [60,61]	-	Yes [61,62]	Yes [41]
AQP11	Yes [63,64]	Yes [65]	Yes [64,65]	-	-	Disputed [63,64]	-

AQP expressions are summarized for the three brain areas on which most studies on AQPs in the CNS are focused. Microglia are not included as they are related to the macrophage/monocyte lineage. ^† Expressions of AQPs are based on detection of either mRNA or protein.