Additional file 4.

Cells derived from PDGF-B-induced tumors form foci in vitro also in the absence of NG2 expression. Histogram shows the average number of foci in the analyzed area (4 mm2) for the wild type and the NG2-KO glioma cultures (p = 0.7).

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Terrile et al. BMC Cancer 2010 10:550   doi:10.1186/1471-2407-10-550