Modulation of integrin activity is vital for morphogenesis.

Abstract excerpt

Cells can vary their adhesive properties by modulating the affinity of integrin receptors. The activation and inactivation of integrins by inside-out mechanisms acting on the cytoplasmic domains of the integrin subunits has been demonstrated in platelets, lymphocytes, and keratinocytes. We show that in the embryo, normal morphogenesis requires the alpha subunit cytoplasmic domain to control integrin adhesion at...

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