Old dogs and new tricks: proteases, inhibitors, and cell migration.

Steingrimur Stefansson*, Daniel A. Lawrence

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

49 Citations (Scopus)

Abstract

A new model for the actions of plasminogen activator inhibitors (PAIs) on cell migration may resolve the conflicting research data on these proteins in metastasis and angiogenesis. Results from two groups reveal a role for PAI-1 in promoting cycles of attachment and detachment of the cell from the extracellular matrix that is independent of its role as an enzymatic inhibitor of urokinase-type plasminogen activator (uPA). Through the formation of a complex of integrins, uPA and its receptor, and the clearance receptors of the low-density lipoprotein family, PAI-1 may promote endocytosis and recycling of these adhesion-controlling proteins, allowing cycling of cellular attachment and detachment.

Original languageEnglish
Pages (from-to)pe24
JournalScience's STKE : signal transduction knowledge environment
Volume2003
Issue number189
DOIs
Publication statusPublished - 1 Jul 2003

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