MiR-107 down-regulates SIAH1 expression in human breast cancer cells and silencing of miR-107 inhibits tumor growth in a nude mouse model of triple-negative breast cancer.
Mol Carcinog
; 55(5): 768-77, 2016 May.
Article
in En
| MEDLINE
| ID: mdl-25851994
We have reported that SIAH1 is down-regulated and associated with apoptosis and invasion in human breast cancer. However, the molecular mechanisms leading to SIAH1 down-regulation remain to be elucidated. Here, we demonstrated that miR-107 directly down-regulates SIAH1 expression in human breast cancer cells. Over- expression of miR-107 reduced SIAH1 expression, promoted human breast cancer cell proliferation, colony formation, migration and invasion, and inhibited apoptosis. On the contrary, silencing of miR-107 increased SIAH1 expression and inhibited the tumor growth of MDA-MB-231 cells, a kind of triple-negative breast cancer (TNBC) cells, in vitro and in vivo. Our results reveal that miR-107 is an upstream regulator for SIAH1 down-regulation in human breast cancer cells and miR-107 provides a potential effective target for the treatment of TNBC.
Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Nuclear Proteins
/
Down-Regulation
/
MicroRNAs
/
Ubiquitin-Protein Ligases
/
Triple Negative Breast Neoplasms
Limits:
Animals
/
Female
/
Humans
Language:
En
Journal:
Mol Carcinog
Journal subject:
BIOLOGIA MOLECULAR
/
NEOPLASIAS
Year:
2016
Document type:
Article
Affiliation country:
China
Country of publication:
United States