1. Enterocyte motility depends critically on cell-matrix interactions,
Although still incompletely understood, these appear critically depen
dent upon integrin-mediated cell adhesion, 2. In addition to providing
a mechanism for cell adhesion and traction, the integrins are likely
to serve as true receptors for the matrix across which cell motility o
ccurs, initiating signals by both mechanical and chemical means that a
lter cell phenotype and proliferation as well as cell motility, 3. Sou
nd rationale now exists to postulate that soluble growth factors withi
n the extracellular milieu regulate intestinal mucosal healing not onl
y directly but also indirectly by modulating integrin expression and o
rganization.