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Direct Role of the Carboxy-Terminal Cell-Binding Domain of Fibronectin in Neural Crest Cell Motility

Experimental Cell Research, ISSN: 0014-4827, Vol: 233, Issue: 1, Page: 1-10
1997
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Article Description

We have analyzed the interaction of neural crest cells with fragments of fibronectin corresponding to the different spliced variants of the COOH-terminal cell-binding domain (COOH-ter CBD). We have shown that this domain can support cell adhesion and migration and that both the IIICS and HepII regions are involved in these events. The rate of locomotion is high, although undirectional, compared to that of whole fibronectin. Interactions with the COOH-ter CBD are controled by α 4 β 1 and maybe other β 1 integrins and cell-surface proteoglycans. These receptors act cooperatively to mediate attachment, spreading, and migration on fibronectin.

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