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- Title
MicroRNA‐128/homeobox B8 axis regulates ovarian cancer cell progression.
- Authors
Li, Rui; Gong, Lingling; Li, Pin; Wang, Jing; Bi, Liangliang
- Abstract
MicroRNA‐128 (miR‐128) has been found to be dysregulated and might function as a tumour suppressor in various cancers, including ovarian cancer. However, the underlying mechanism of miR‐128 in ovarian cancer has not been fully understood. The miR‐128 and homeobox B8 (HOXB8) levels in clinical samples and cultured cell lines were measured using qRT‐PCR and/or Western blot analysis. Cell proliferation was assessed using Cell Counting Kit‐8 assay. Cell apoptosis was determined using flow cytometry. The association between miR‐128 and HOXB8 was confirmed using dual‐luciferase reporter assay. Results showed that decreased miR‐128 expression and increased HOXB8 expression were observed in ovarian cancer tissues and cell lines. Transfection with miR‐128 mimics suppressed the cell proliferation and enhanced paclitaxel sensitivity in ovarian cancer cell lines. miR‐128 directly targeted HOXB8 in ovarian cancer cell lines. Knockdown of HOXB8 abolished the effects of miR‐128 inhibitor on ovarian cancer cell proliferation and paclitaxel sensitivity. Summarily, miR‐128 displayed a tumour suppressor role in ovarian cancer via targeting HOXB8. It is supposed that miR‐128 might be effective for targeting therapy for ovarian cancer.
- Subjects
OVARIAN cancer; CANCER cells; CANCER invasiveness; WESTERN immunoblotting; CELL proliferation; CANCER cell proliferation
- Publication
Basic & Clinical Pharmacology & Toxicology, 2019, Vol 125, Issue 6, p499
- ISSN
1742-7835
- Publication type
Article
- DOI
10.1111/bcpt.13288