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Anticancer Res. 1988 Jul-Aug;8(4):797-803.

Characteristics of human and rat glioma cells grown in a defined medium.

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  • 1Department of Pathology, Gade Institute, Haukeland Hospital, Bergen, Norway.


Human (D54Mg, GaMg) and rat (BT5C, BT4Cn) glioma cells cultured in a chemically defined medium showed reduced growth when compared to serum-supplemented medium. The BT5C cells changed from a flat epithelioid morphology to a more glia-like structure. The serum-free medium caused an aggregation of BT5C cells which spontaneously lost anchorage dependence and continued to grow in suspension as multicellular tumor spheroids. The BT4Cn and human cell lines did not show any change in morphology. Flow cytometric DNA measurements showed no change in ploidy for cells grown in serum-free medium. Cell cycle analysis revealed that the same proportion of cells were proliferating (S and G2M phase cells) in serum-free medium as compared to serum-supplemented medium. The reduced growth is probably due to increased cell cycle time.

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