Invasion is a phenotype common to cancer cells, leukocytes, parasites, bact
eria and viruses, involving cell-cell adhesion, cell-matrix adhesion, prote
olysis and motility. These activities are regulated by the cross talk betwe
en invaders and host. We discuss the invasion-related molecular interaction
s of E-cadherin, integrins, matrix metalloproteinases and the chemokine rec
eptor RANTES. (C) 2000 Editions scientifiques et medicales Elsevier SAS.