Cancer metastasis and EGFR signaling is suppressed by Amiodarone-induced Versican V2

Hung Chieh Lee, Mai Yan Su, Hao Chan Lo, Chin Chieh Wu, Jia Rung Hu, Dao Ming Lo, Tsu Yi Chao, Huai Jen Tsai, Ming Shen Dai

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Extracellular matrix components play an active role in cancer progression and prognosis. Versican, a large extracellular matrix proteoglycan, can promote cancer metastasis through facilitating cell proliferation, adhesion, migration and angiogenesis. We had previously demonstrated that amiodarone caused ectopic overexpression of similar to versican b (s-vcanb), inhibited EGFR/GSK3β/Snail signaling, and enhanced Cdh5 at the heart field of zebrafish, indicating interference with epithelial-mesenchymal transition (EMT). Since S-vcanb is homologous to mammalian versican V2 isoform, we examined the effects of amiodarone on mammalian tumor proliferation, migration, invasion and metastasis in vitro and in vivo and on EMT signaling pathways. Monolayer wound assays and extracellular matrix transwell invasion assays showed reduced migration and invasion by 15 μM amiodarone treated B16OVA, JC, 4T-1, MDA-MB-231 and MCF-7 tumor cell lines. All cancer cell lines showed reduced metastatic capabilities in vivo after treatment with amiodarone in experimental animals. Western blots revealed that EMT-related transcription factors Snail and Twist were reduced and E-cadherin was enhanced in amiodarone treated cells through an EGFR/ERK/GSK3β-dependent pathway. Immunohistochemistry showed amiodarone lead to increased expression of versican V2 isoform concomitant with reduced versican V1. Our study illustrated the role of versican v2 in EMT modulation and cancer suppression by amiodarone treatment.

Original languageEnglish
Pages (from-to)42976-42987
Number of pages12
JournalOncotarget
Volume6
Issue number40
DOIs
Publication statusPublished - 2015

Keywords

  • Amiodarone
  • EGFR signaling
  • Metastasis
  • Versican

ASJC Scopus subject areas

  • Oncology

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  • Cite this

    Lee, H. C., Su, M. Y., Lo, H. C., Wu, C. C., Hu, J. R., Lo, D. M., Chao, T. Y., Tsai, H. J., & Dai, M. S. (2015). Cancer metastasis and EGFR signaling is suppressed by Amiodarone-induced Versican V2. Oncotarget, 6(40), 42976-42987. https://doi.org/10.18632/oncotarget.5621