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- Title
The mechanism of miR-143-3p regulating FGF-9 in the proliferation, invasion.
- Authors
Wang Yan
- Abstract
The study aimed at exploring the miR-143-3p expression and the mechanism involved in ovarian cancer development. RT-qPCR (Quantitative Real-time PCR) served for the detection of the miR-143-3p level in different ovarian carcinoma cells. Then miR-143-3p underwent transfection and presented overexpression in ovarian carcinoma cells. 3-(4,5)-dimethylthiahiazo (-z-y1)-3,5-di-phenytetrazoliumromide (MTT) assay, flat cloning experiment, Transwell invasion assay and scratch test served for the evaluation of the influences of miR-143-3p on ovarian cancer cell biological behavior. The candidate target genes were screened by using bioinformatics method. The double luciferase assay and Western blot together assessed the regulatory effect of miR-143- 3p. Relative to the control group (NC), the overexpressed group presented significantly reduced ovarian cancer cell growth (p < 0.01). The results indicated the inhibitory impact of miR-143-3p overexpression on the invasion and migration of ovarian cancer 3AO and SKOV3 cells. Bioinformatics analysis confirmed FGF-9 (Fibroblast Growth Factor 9) as one of target gene of miR-143-3p. Double luciferase assay also attested the direct negative regulatory impact of miR-143-3p on FGF-9 (p < 0.05). The miR-143- 3p overexpression significantly lowered the protein level of FGF-9 in 3AO and SKOV3 cells (p < 0.001). miR-143-3p overexpression negatively regulated the proliferation, invasion and migration abilities of ovarian carcinoma cells, as well as the FGF-9 protein expression.
- Subjects
MICRORNA; OVARIAN cancer; BIOINFORMATICS; FIBROBLAST growth factors; LUCIFERASES; CANCER cell proliferation
- Publication
European Journal of Gynaecological Oncology, 2024, Vol 45, Issue 1, p55
- ISSN
0392-2936
- Publication type
Article
- DOI
10.22514/ejgo.2024.009