Functional neutrophils from long-term murine bone marrow cell cultures

P. H. Hart, L. K. Spencer, P. A. Kenny, A. F. Lopez, P. J. McDonald, J. J. Finlay-Jones

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Abstract

Murine bone marrow cell cultures that had been established for up to 26 weeks were harvested each week and found to provide functional neutrophils. Leukocytes harvested from the cultures were enriched for neutrophils using discontinuous Percoll density gradients. These cells mounted a chemiluminescence response to Proteus mirabilis in the presence of normal mouse serum (NMS). They killed several NMS-opsonised bacterial species, an activity that was blocked by a monoclonal antibody to the C3 receptor of mouse neutrophils. Cultured bone marrow neutrophils expressed both Fc and C3 receptors. C3 receptor expression could be augmented by exposure to the chemotactic peptide f-Met-Leu-Phe. We conclude that murine bone marrow cell cultures provide a useful source of functional neutrophils, and that their productivity can be sustained in long-term culture. As their receptor expression can be augmented from the resting state by exogenous stimuli, they represent a useful cell source in studies of neutrophil activation.

Original languageEnglish
Pages (from-to)223-233
Number of pages11
JournalJournal of Immunological Methods
Volume100
Issue number1-2
DOIs
Publication statusPublished - 26 Jun 1987
Externally publishedYes

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Hart, P. H., Spencer, L. K., Kenny, P. A., Lopez, A. F., McDonald, P. J., & Finlay-Jones, J. J. (1987). Functional neutrophils from long-term murine bone marrow cell cultures. Journal of Immunological Methods, 100(1-2), 223-233. https://doi.org/10.1016/0022-1759(87)90193-1