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ESTABLISHMENT OF A HUMAN EPENDYMOMA CELL LINE Yoshio Nakagawa 1 , Kimiyoshi Hirakawa 1 , Kenji Uéda 2 , T. S. Okada 2 1Department of Neurosurgery, Kyoto Prefectural University of Medicine 2Department of Biophysics, Faculty of Science, University of Kyoto pp.283-288
Published Date 1983/3/1
DOI https://doi.org/10.11477/mf.1406205091
  • Abstract
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We established a cell line derived from a cereb-ellar ependymoma and named it as NU 2-26. NU 2-26 cells grew well in vitro with Eagle's MEM plus L-15 medium (6% FCS) alone. Flat epithe-lial cells grew like a sheet in groups in monolay-er culture. Chromosome analysis revealed near diploid and mode number was 46.

Colony forming efficiency in soft agar was 51% and 36%, inoculated 1×102 cells and 1×103 cells in 60 mm dish, respectively. NU 2-26 cells formed solid tumor differed from the original ependymo-ma. There were more spindle shaped cells and pseudorosettes were uncommon.

Dibutyryl adenosine 3´ ; 5´-cyclic monophosphate (db-cAMP) and cytochalasin B induced NU 2-26 cells astrocytic transformation in vitro. These cha-nges were reversible, but became irreversible when NU 2-26 cells were treated with each drugs over seven days long. It suggested that NU 2-26 cells have a glial character.


Copyright © 1983, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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