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  • Title: Sensitivity of neurite outgrowth to microfilament disruption varies with adhesion molecule substrate.
    Author: Abosch A, Lagenaur C.
    Journal: J Neurobiol; 1993 Mar; 24(3):344-55. PubMed ID: 8492111.
    Abstract:
    Interactions between the cytoskeleton and cell adhesion molecules are presumed responsible for neurite extension. We have examined the role of microfilaments in neurite outgrowth on the cell adhesion molecules L1, P84, N-CAM, and on laminin. Cerebellar neurons growing on each substrate exhibited differing growth cone morphologies and rates of neurite extension. Growth of neurites in the presence of cytochalasin B (CB) was not inhibited on substrates of L1 or P84 but was markedly inhibited on N-CAM. Neurons on laminin were initially unable to extend neurites in the presence of CB but recovered this ability within 9 h. These studies suggest that neurite outgrowth mediated by different cell adhesion molecules proceeds via involvement of distinct cytoskeletal interactions.
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