Human glioblastoma cancer stem cells in 1ml at a concentration of 1 x 106 cells/ml. Cells are available in frozen vials, shipped on dryice, or growing in a tissue culture flask, shipped at room temperature. The glioblastoma cancer stem cells were derived from primary human glioblastoma cancer tissue and maintained in ProMab Biotechnologies' Cancer Stem Premium™ (Catalog # 20101) and sub-cultured every 7-10 days for less than 3 passages.