A colorimetric liquid culture assay of a growth factor for primitive murine macrophage progenitor cells

A. B. Kriegler, T. R. Bradley, G. S. Hodgson, I. K. McNiece

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Synergistic factors from media conditioned (CM) by human placentas or the 5637 human bladder carcinoma cell line (SFH-HPCM and SFH-5637 respectively) have the ability to stimulate early progenitor cells in mouse bone marrow to form large colonies in agar cultures after 12-14 days, in the presence of CSF-1. Culture conditions have been examined and a quicker and more convenient liquid culture assay has been developed for this factor, using a tetrazolium salt to quantitate cell proliferation. The use of flat-bottomed vessels, high cell density, supra-optimal doses of CSF-1 or the addition of WEHI-3-CM to these cultures, all resulted in a decrease in the required incubation time. In combination, these modifications reduced the assay time to 4 days.

Original languageEnglish (US)
Pages (from-to)93-102
Number of pages10
JournalJournal of Immunological Methods
Volume103
Issue number1
DOIs
StatePublished - Oct 23 1987

Keywords

  • Hemopoietin 1
  • High proliferative potential colony-forming cell
  • Liquid culture
  • Synergistic factor

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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