摘要

Thrombomodulin (TM) is highly expressed in endothelial cells and plays the key role in maintaining physical homeostasis. In addition, many pieces of evidence also show that TM contains the diagnostic value for malignant diseases. TM has been found to correlate with metastatic status in multiple cancers, but its role in prostate cancer progression remains unclear. TM expression was determined in prostate cancer cells (DU-145 and PC-3 cells) using real-time PCR and Western blotting. TM expression was manipulated in prostate cancer cells using TM-specific shRNA and an overexpression system. The proliferation, adhesion, and migratory ability of prostate cancer cells expressing various TM levels were determined using the x'Celligence biosensor system and a transwell migration assay. Higher levels of TM transcription and translation were found in DU-145 cells and were negatively correlated with the low migratory ability of DU-145 cells. After silencing TM expression in DU-145 cells, cell growth decreased, but cell adhesion and migration dramatically increased. TM overexpression in PC-3 cells reduced their metastatic ability. We investigated the possible mechanisms of this phenomenon and determined that the enhanced cell migration was mediated through the expression of E-cadherin and vimentin. TM may be a modulator of hormone-independent prostate cancer (HIPC) metastasis. The downregulation of TM expression enhanced the migratory ability of these cells via an increase in vimentin expression and a decrease in E-cadherin expression.

原文英語
頁(從 - 到)6047-6054
頁數8
期刊Tumor Biology
35
發行號6
DOIs
出版狀態已發佈 - 2014

ASJC Scopus subject areas

  • 癌症研究

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