Isolation and characterization of a cloned growth factor dependent macrophage cell line, BAC1.2F5

Claudia Morgan, Jeffrey W. Pollard, E. Richard Stanley

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150 Scopus citations


The SV40 transformed murine macrophage cell line, BAC1, proliferates in response to the colony stimulating factor, CSF‐1 (Schwarzbaum et al., J. Immunol., 132:1158, 1984). In order to obtain a cell line suitable for biochemical and genetic studies of CSF‐1 signal transduction, clones of BAC1 were established. Clones ranged from being completely autonomous to being completely dependent on CSF‐1 for growth. Cells of one clone (2F5), which proliferated in response to either CSF‐1 or granulocyte‐macrophage CSF (GM‐CSF) were characterized in detail. The kinetics of receptor‐mediated internalization and intracellular destruction of CSF‐1 were comparable to the kinetics observed with peritoneal exudate macrophages. CSF‐1 was shown to regulate cell spreading, cell survival, protein degradation, and the duration of the G1 and S phases of the cell cycle. The 2F5 clone therefore exhibits a number of CSF‐1 stimulated responses and is being used for genetic and biochemical studies of CSF‐1 action.

Original languageEnglish (US)
Pages (from-to)420-427
Number of pages8
JournalJournal of Cellular Physiology
Issue number3
StatePublished - Mar 1987
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Clinical Biochemistry
  • Cell Biology


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