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Updated: Apr 23, 2026

Modeling the Early Steps of Ovarian Cancer Dissemination in an Organotypic Culture of the Human Peritoneal Cavity
Published on: December 31, 2015
Amphiregulin induces human ovarian cancer cell invasion by down-regulating E-cadherin expression
Wai-Kin So1, Qianlan Fan1, Man-Tat Lau1
1Department of Obstetrics and Gynecology, Child & Family Research Institute, University of British Columbia, Vancouver, British Columbia V5Z 4H4, Canada.
Abstract:
Aberrant epidermal growth factor receptor (EGFR) activation is associated with ovarian cancer progression. In this study, we report that the EGFR ligand amphiregulin (AREG) stimulates cell invasion and down-regulates E-cadherin expression in two human ovarian cancer cell lines, SKOV3 and OVCAR5. In addition, AREG increases the expression of transcriptional repressors of E-cadherin including SNAIL, SLUG and ZEB1. siRNA targeting SNAIL or SLUG abolishes AREG-induced cell invasion. Moreover, ERK1/2 and AKT pathways are involved in AREG-induced E-cadherin down-regulation and cell invasion. Finally, we show that three EGFR ligands, AREG, epidermal growth factor (EGF) and transforming growth factor-α (TGF-α), exhibit comparable effects in down-regulating E-cadherin and promoting cell invasion. This study demonstrates that AREG induces ovarian cancer cell invasion by down-regulating E-cadherin expression.
Insights
Amphiregulin (AREG) drives ovarian cancer cell invasion by reducing E-cadherin. This EGFR ligand activates SNAIL, SLUG, and ZEB1, promoting cancer cell migration and metastasis.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- Aberrant epidermal growth factor receptor (EGFR) signaling is implicated in ovarian cancer progression.
- EGFR ligands play crucial roles in cancer cell behavior.
Purpose of the Study:
- To investigate the role of the EGFR ligand amphiregulin (AREG) in ovarian cancer cell invasion and E-cadherin expression.
- To elucidate the molecular mechanisms underlying AREG-mediated effects.
Main Methods:
- Utilized human ovarian cancer cell lines (SKOV3, OVCAR5).
- Assessed cell invasion, E-cadherin expression, and transcriptional repressor levels (SNAIL, SLUG, ZEB1).
- Employed siRNA to target SNAIL and SLUG; investigated ERK1/2 and AKT pathway involvement.
Main Results:
- AREG significantly stimulated cell invasion and decreased E-cadherin expression in ovarian cancer cells.
- AREG upregulated SNAIL, SLUG, and ZEB1, which are transcriptional repressors of E-cadherin.
- siRNA-mediated knockdown of SNAIL or SLUG abrogated AREG-induced invasion.
- ERK1/2 and AKT signaling pathways were found to be involved in AREG's effects.
- AREG, EGF, and TGF-α demonstrated similar capacities to down-regulate E-cadherin and promote invasion.
Conclusions:
- AREG is a key mediator of ovarian cancer cell invasion through the downregulation of E-cadherin.
- The study highlights the involvement of SNAIL, SLUG, ERK1/2, and AKT pathways in this process.
- Multiple EGFR ligands share the ability to promote ovarian cancer cell invasion, underscoring the significance of EGFR signaling in metastasis.
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