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  • Title: Microtubule assembly in Friend erythroleukemia cells spread on fibronectin- and lectin-coated substrates.
    Author: Benedetto A, Amici C, De Paolis E, Signorini A, Elia G.
    Journal: J Biol Regul Homeost Agents; 1987; 1(2):53-8. PubMed ID: 3504084.
    Abstract:
    A comparison was carried out between parental Friend Erythroleukemia cells (FLC, 745 A clone) and highly fibronectin (FN)-sensitive clones of FLC for their ability to adhere, spread and organize microtubular (MT) apparatus, when seeded on FN- or lectin-coated plastic substrates. While FN was able to induce the spreading only in the FN-sensitive FLC clones (further referred to as FF clones) and not in the parental 745 A cells, the lectins Concanavalin A (ConA) and Leukoagglutinin (LeuA) promoted the spreading of both 745 A and FF cells, with no differences between the two cell lines. Wheat germ agglutinin (WGA), instead, is almost ineffective in triggering cell spreading in both cell clones. The spreading of FLC, either 745 A or FF, on any of the ligands tested, is always accompanied by a massive reorganization of the MT apparatus of the cell. Possible mechanisms involved in the selective spreading effect, exerted by FN, are discussed.
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