Summary
The development of liver ploidy in mice aged up to 24 months was investigated by flow cytometry in four mouse strains. A mathematical procedure was applied for correction of flow cytometry histograms. In two of the mouse strains, C3H and DBA, both cellular and nuclear ploidy proceed in the same way. The octoploid cell with two tetraploid nuclei is the most numerous cell type in adulthood. On the other hand, strain NZB and the out-bred strain NMRI show at the corresponding age a higher proportion of diploid cells with strikingly low proportions of 4c cells. In addition, high values of 16c cells and nuclei are present in NMRI. In all strains the proportion of binucleate hepatocytes is in the same range (60%). However, the strains differ in ploidy classes of binucleate cells. Development of liver polyploidization does not depend on life span of the specific strain.
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Severin, E., Willers, R. & Bettecken, T. Flow cytometric analysis of mouse hepatocyte ploidy. Cell Tissue Res. 238, 649–652 (1984). https://doi.org/10.1007/BF00219884
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DOI: https://doi.org/10.1007/BF00219884