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MicroRNAs in colorectal cancer metastasis.

Authors
  • de Krijger, Inge
  • Mekenkamp, Leonie J M
  • Punt, Cornelis J A
  • Nagtegaal, Iris D
Type
Published Article
Journal
The Journal of Pathology
Publisher
Wiley (John Wiley & Sons)
Publication Date
Aug 01, 2011
Volume
224
Issue
4
Pages
438–447
Identifiers
DOI: 10.1002/path.2922
PMID: 21706478
Source
Medline
License
Unknown

Abstract

Metastatic disease is the major cause of death in colorectal cancer (CRC) patients. The metastatic process is highly inefficient and comprises multiple sequential steps. While many genetic factors relevant in this process have already been identified, the epigenetic factors underlying each step still remain obscure. MicroRNAs (miRNAs) are key regulators in tumourigenesis, but their role in the development of cancer metastasis is poorly investigated. The majority of miRNAs involved in the metastatic process have been identified in breast cancer cell lines, and in CRC less data are available. We review the role of miRNAs in the metastatic pathway of CRC, including escape of apoptosis, epithelial-mesenchymal transition (EMT), angiogenesis, and invasion. Better understanding of the complex role of miRNAs in the development of CRC metastases may provide new insights that could be of therapeutic consequence.

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