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Tumour Biol. 2017 Jul;39(7):1010428317690998. doi: 10.1177/1010428317690998.

MiR-204/ZEB2 axis functions as key mediator for MALAT1-induced epithelial-mesenchymal transition in breast cancer.

Author information

1
Oncology Center, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China.

Abstract

Long non-coding RNAs recently were identified as key mediators of cancer metastasis. This study provided evidence that long non-coding RNA MALAT1 was up-regulated in breast cancer tissues and cell lines. MALAT1 promoted cancer cell invasion through inducing epithelial-mesenchymal transition. Interestingly, we revealed there was a reciprocal repression between MALAT1 and miR-204. ZEB2 was identified as a downstream target of miR-204 and MALAT1 exerted its function mainly through the miR-204/ZEB2 axis. Our findings suggested that MALAT1 may serve as a new diagnostic biomarker and therapy target for breast cancer.

KEYWORDS:

MALAT1; ZEB2; epithelial–mesenchymal transition; miR-204

PMID:
28675122
DOI:
10.1177/1010428317690998
[Indexed for MEDLINE]

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