Chemiluminescence monitoring of phagocyte oxidative metabolism in mice bearing polyacrylamide induced granulomas.
A technical protocol was recently described by Fauve et al. (J. Immunol. Methods 1983, 64, 345) for inducing subcutaneous granuloma with polyacrylamide microbeads. The present study using this technique demonstrates that the capacity of host phagocytes to generate reactive oxygen species can be easily monitored by chemiluminescence, both locally in granuloma infiltrating cells and at sites remote from the inflammatory reaction, i.e., within microamounts of whole blood and in spleen cells. We observed that both resting and stimulated (zymosan or phorbol-myristate acetate) production by C57BL/6 mouse phagocytes are significantly higher in granulomas induced with high porosity polyacrylamide beads (P300) than in those induced with beads of low polyacrylamide porosity (P4). Since this selective modulation of phagocyte oxidative metabolism is also detectable within microamounts of whole blood and in spleen cells, it could serve as a model for investigating the role of reactive oxygen species in the inflammatory reaction.[1]References
- Chemiluminescence monitoring of phagocyte oxidative metabolism in mice bearing polyacrylamide induced granulomas. Lethias, C., Nguyen, A.T., Descamps-Latscha, B. J. Immunol. Methods (1985) [Pubmed]
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