Table 1: Relative mRNA expression of Aquaporins 1, 4, and 9 in normal rat brain and human brain tumour-derived tissue, stem cells, and differentiated cells. Values are based on setting the ratio of Aqp1/18S in tissue to 1.

RatTumour
Mean valueSEMMean valueSEM

Aqp1 Tissue0.9999990.82498710.348343
Aqp4 Tissue3.9799950.7635696.758932.862152
Aqp9 Tissue5.234050.3207615.3759274.025013

Aqp1 Spheres3.6414131.9454980.0161930.007146
Aqp4 Spheres0.0398530.0056920.4244860.179481
Aqp9 Spheres0.3061920.16242319.90307911.36836

Aqp1 Differentiated5.3300584.2724650.0065690.002806
Aqp4 Differentiated5.5270113.0085570.4935930.190121
Aqp9 Differentiated1.7061981.0629089.17526.359034