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  • Title: Light and electron microscopic immunolocalization of two nuclear antigens in the liver of Pleurodeles waltl using monoclonal antibodies.
    Author: Pyne CK, Charlemagne J, Boucher D, Lacroix JC.
    Journal: Biol Cell; 1988; 64(3):343-52. PubMed ID: 3067806.
    Abstract:
    The distribution of 2 nuclear antigens in the interphase nuclei of liver of Pleurodeles waltl was determined with the help of monoclonal antibodies, using immunofluorescence for light microscopy and indirect immunoperoxidase and immunogold labeling procedures for electron microscopic localization. The antibodies C36/1 and A33/22 label antigens with relative molecular masses of 270 kDa and 80 kDa, and isoelectric points of 7.0 and 6.4, respectively. The liver of urodels is characterized by the presence of a peripheral layer of hematopoietic cells around the parenchymatous tissue formed by typical hepatocytes. The antibody C36/1 labels the nuclei of both types of cells, whereas the antibody A33/22 labels the nuclei of hepatocytes but not those of the peripheral hematopoietic cells. With both these antibodies, labeling, whenever observed, is restricted to fibrillar structures in the interchromatin space, i.e., to peri- and inter-chromatin fibrils; condensed chromatin, nucleoli, and nuclear envelope are not labeled.
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