PMID: 6536237Jan 1, 1984Paper

Transport of [125I] IgG and [125I] ovalbumin between lymphocyte-like and macrophage-like rat spleen cells: chromatin binding

Archivum Immunologiae Et Therapiae Experimentalis
E M Rakowicz-Szulczyńska, A Horst

Abstract

Spleen cells from rats were incubated for 10 min in Eagle's medium containing [125I] IgG or [125I] ovalbumin. Lymphocyte-like and macrophage-like cells were separated by centrifugation in Ficoll-metrizoate solution (d = 1.095). Control spleen cells were incubated in Eagle's medium without [125I] IgG or [125I] ovalbumin and both subpopulations were separated analogically. Lymphocyte-like cells labelled with [125I] IgG or [125I] ovalbumin were incubated for 10 min with control macrophage-like cells and labelled macrophage-like cells with control lymphocyte-like cells. After the incubation time all subpopulations were separated again in Ficoll-metrizoate solution. Radioactivity of [125I] IgG or [125I] ovalbumin was found in cytoplasmic fraction, sap protein fraction (nucleoplasm) and chromatin of control lymphocyte-like and macrophage-like cells. It may be concluded that transport of these potential antigenic compounds occurs directly in lymphocyte-like and macrophage-like cells as well as transport between these two subpopulations.

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