Aqp 9 and Brain Tumour Stem Cells

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.

	Rat		Tumour
	Mean value	SEM	Mean value	SEM
Aqp1 Tissue	0.999999	0.824987	1	0.348343
Aqp4 Tissue	3.979995	0.763569	6.75893	2.862152
Aqp9 Tissue	5.23405	0.320761	5.375927	4.025013
Aqp1 Spheres	3.641413	1.945498	0.016193	0.007146
Aqp4 Spheres	0.039853	0.005692	0.424486	0.179481
Aqp9 Spheres	0.306192	0.162423	19.903079	11.36836
Aqp1 Differentiated	5.330058	4.272465	0.006569	0.002806
Aqp4 Differentiated	5.527011	3.008557	0.493593	0.190121
Aqp9 Differentiated	1.706198	1.062908	9.1752	6.359034