Culture conditions induce the appearance of immortalized C3H mouse cell lines

Laura Curatolo, Eugenio Erba, Luciano Morasca

Research output: Contribution to journalArticlepeer-review

Abstract

Mouse fibroblasts were cultured by three different procedures: (a) changing the 0.2 ml/cm2 of growth medium every 2nd d and seeding 1×105 cells/cm2 after confluency; (b) changing the 0.4 ml/cm2 of growth medium only at subculture performed at confluency by a 1∶2 split and keeping the bottles incubated on a rocking platform; (c) the same as Method b but keeping the bottles stationary throughout culture. By Method a no lines were immortalized over 36 experiments whereas Method b gave 1/4 immortalized lines and Method c gave 10∶12 immortalized lines. Cells always went into crisis at the 9th to 11th doubling. Immortalized lines had a tetraploid DNA content.

Original languageEnglish
Pages (from-to)597-601
Number of pages5
JournalIn Vitro
Volume20
Issue number8
DOIs
Publication statusPublished - 1984

Keywords

  • culture procedure
  • fibroblasts
  • flow cytometry
  • immortalized cell lines

ASJC Scopus subject areas

  • Cell Biology
  • Clinical Biochemistry
  • Developmental Biology

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