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  • Title: Density and size distributions of the intramembranous particles in the cytoplasmic membrane of human peripheral blood lymphocytes.
    Author: Arancia G, Gripari E, Rosati F, Trovalusci P, Meli D.
    Journal: Eur J Cell Biol; 1981 Oct; 25(2):272-7. PubMed ID: 7333289.
    Abstract:
    A freeze-fracture study has been carried out on human peripheral blood lymphocytes (hPBL) from healthy donors. Lymphocytes were frozen either from 37 degrees C or 4 degrees C. Quantitative analysis performed on density and size of intramembranous particles (IMPs) present on both fracture faces of the plasma membrane has revealed: a) a difference in size between IMPs on the external face (EF) and those on the protoplasmic face (PF); b) a remarkable influence of temperature either on size or density of the IMPs; c) the existence at 4 degrees C of two lymphocyte populations differing in IMP density.
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