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An In vitro Model to Study Heterogeneity of Human Macrophage Differentiation and Polarization
07:42

An In vitro Model to Study Heterogeneity of Human Macrophage Differentiation and Polarization

Published on: June 12, 2013

Functional heterogeneity of macrophages

M Kávai, J Laczkó, B Csaba

    Immunology
    |April 1, 1979
    PubMed

    The antibody-binding activities of rabbit peritoneal macrophages separated on discontinuous gradients of Ficoll were investigated. The antibody was rabbit anti-ovalbumin IgG labelled with 125I. Of the five fractions obtained, one macrophage fraction was found to bind substantially more antibody than the others. These macrophages possessed more Fc receptor sites than the others and the number of Fc receptors (n) and the association constant (K) of these cells was calculated. By electron microscopy, the phagocytic activity of the subpopulation with most Fc receptors was less than that of the others.

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