Downregulation of long noncoding RNA MALAT1 induces epithelial-to-mesenchymal transition via the PI3K-AKT pathway in breast cancer.
Int J Clin Exp Pathol
; 8(5): 4881-91, 2015.
Article
em En
| MEDLINE
| ID: mdl-26191181
ABSTRACT
The metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) regulates cell motility via the transcriptional or post-transcriptional control of motility-related genes. Whether MALAT1 plays a critical role in cancer progression in breast cancer remains unclear. In this study, we found that MALAT1 was downregulated in breast tumor cell lines and cancer tissue, and showed that knockdown of MALAT1 in breast cancer cell lines induced an epithelial-to-mesenchymal transition (EMT) program via phosphatidylinositide-3 kinase-AKT pathways. Furthermore, lower expression of MALAT1 in breast cancer patients was associated with shorter relapse-free survival. Thus, our results indicate for the first time that MALAT1 is a novel regulator of EMT in breast cancer and may be a potential therapeutic target for breast cancer metastasis.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Neoplasias da Mama
/
Proteínas Proto-Oncogênicas c-akt
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Fosfatidilinositol 3-Quinase
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Transição Epitelial-Mesenquimal
/
RNA Longo não Codificante
Tipo de estudo:
Etiology_studies
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Prognostic_studies
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Risk_factors_studies
Limite:
Female
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Humans
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Middle aged
Idioma:
En
Revista:
Int J Clin Exp Pathol
Assunto da revista:
PATOLOGIA
Ano de publicação:
2015
Tipo de documento:
Article
País de afiliação:
China