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  • Title: [Behavior of the cell center during epithelial cell spreading].
    Author: Gudima GO, Vorob'ev IA, Chentsov IuS.
    Journal: Tsitologiia; 1986 Jun; 28(6):576-81. PubMed ID: 3750409.
    Abstract:
    In the epithelial cells of mouse embryo renal channels, centrioles are located near the plasma membrane of the apical part of the cell. In most of the cells an active centriole carries a cilium, which comes out into the channel lumen. In the epithelial cells, suspended after trypsinisation and in single cells adhering to the substrate, the centrioles are located near the nucleus, and the outcoming cilia are not observed. In the spread cells of epithelial islets, the centrioles are also found near the nucleus, and in most cases an active centriole carries a cilium, which comes out of the cytoplasm at the upper side of the cell. In the peripheral cells of the islet, centrioles are positioned between the nucleus and the active edge of the cell. In the epithelial cells in situ, a relatively small number of microtubules radiate from the active centrioles. In the suspended cells, the activation of microtubule formation is observed in the cell center. In the spread cells of the epithelial islets there occurs a further increase in the number of microtubules radiating from the active centrioles. In the peripheral cells which cause translocation of the epithelial islet in the culture, the number of microtubules, radiating from the centrioles does not differ significantly from that of the inner cells of the islet. The cell center of the epithelial cells does not seem to be actively involved in the locomotion of the epithelial cells in the culture.
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