Regulation of human monocyte/macrophage function by extracellular matrix. Adherence of monocytes to collagen matrices enhances phagocytosis of opsonized bacteria by activation of complement receptors and enhancement of Fc receptor function.

@article{Newman1990RegulationOH,
  title={Regulation of human monocyte/macrophage function by extracellular matrix. Adherence of monocytes to collagen matrices enhances phagocytosis of opsonized bacteria by activation of complement receptors and enhancement of Fc receptor function.},
  author={Simon L. Newman and Michael A Tucci},
  journal={The Journal of clinical investigation},
  year={1990},
  volume={86 3},
  pages={703-14}
}
In inflammation monocytes emigrate from the peripheral circulation into an extravascular area rich in extracellular matrix proteins. In this milieu, phagocytes ingest and kill invading pathogens. In the present studies, we found that monocytes adhered to type I collagen gels phagocytized 2.5-12-fold more opsonized Escherichia coli, Staphylococcus aureus, Streptococcus pyogenes, and Streptococcus pneumoniae than plastic-adherent monocytes. The rate of phagocytosis and the number of bacteria… CONTINUE READING

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