Matrilysin mediates extracellular cleavage of E-cadherin from prostate cancer cells: a key mechanism in hepatocyte growth factor/scatter factor-induced cell-cell dissociation and in vitro invasion

Davies, G., Jiang, Wen Guo ORCID: https://orcid.org/0000-0002-3283-1111 and Davies, Malcolm David 2001. Matrilysin mediates extracellular cleavage of E-cadherin from prostate cancer cells: a key mechanism in hepatocyte growth factor/scatter factor-induced cell-cell dissociation and in vitro invasion. Clinical Cancer Research 7 , pp. 3289-3297.

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Abstract

PURPOSE: The current study examined the effects of hepatocyte growth factor/scatter factor (HGF/SF) on cell-cell dissociation, invasion, and its association with the mediated release of matrix metalloproteinase-7 (Matrilysin) on the extracellular cleavage of E-cadherin in prostate cancer cells. EXPERIMENTAL DESIGN: The effects of HGF/SF on cell-cell dissociation, in vitro invasion, and on the expression of E-cadherin at both protein and mRNA levels were assessed in cells whose expression of Matrilysin was altered by treatment with antisense oligonucleotide. RESULTS: Incubation with HGF/SF mediated the release of active Matrilysin (M(r) 19,000), resulting in extracellular cleavage of E-cadherin from prostate cancer cells. This resultant soluble M(r) 80,000 fragment of E-cadherin was subsequently recognized upon immunoprobing with an anti-E-cadherin antibody. Both recombinant human Matrilysin (rh-Matrilysin) and/or HGF/SF increased the level of soluble E-cadherin and decreased the level of full-length (M(r) 120,000) E-cadherin as detected by Western blotting. The effects of rh-Matrilysin and HGF/SF were inhibited by an antisense oligonucleotide specifically directed toward human Matrilysin. In addition, stimulation with either rh-Matrilysin or HGF/SF resulted in disruption to the E-cadherin/beta-catenin complex, as shown by a significant increase (P < 0.05) in both cell scattering and invasion index. CONCLUSIONS: Treatment with HGF/SF induced Matrilysin-mediated cleavage to the extracellular domain of E-cadherin, resulting in its dissociation from the cadherin/catenin complex. This provides a new mechanism in HGF/SF-induced cell scattering, resulting in a switch to a more invasive phenotype in LNCapFGC cells, as demonstrated by in vitro invasion.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > RC Internal medicine > RC0254 Neoplasms. Tumors. Oncology (including Cancer)
Publisher:	American Association for Cancer Research
Last Modified:	01 Nov 2022 09:40
URI:	https://orca.cardiff.ac.uk/id/eprint/88821

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