ArticleMolecular medicine reports2022
IGF2BP3‑stabilized SIX4 promotes the proliferation, migration, invasion and tube formation of ovarian cancer cells.
Article in Molecular medicine reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- KDM5C-regulated SIX5 promotes glioblastoma progression through transcriptional activation of UBE2C and enhancement of the Warburg effect.Frontiers in immunology · 2026Article
- Targeting IGF2BP3 in Cancer.International journal of molecular sciences · 2023Review
- UBE2K regulated by IGF2BP3 promotes cell proliferation and stemness in pancreatic ductal adenocarcinoma.International journal of oncology · 2023Article
- IGF2BP3 is an essential NMaterials today. Bio · 2022Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The mortality rate of ovarian cancer (OC) is the highest among the different types of female reproductive system cancers. SIX homeobox 4 (SIX4), a member of the homeobox family, subfamily SIX, fulfills an important role in metastasis and angiogenesis in a variety of types of cancer. The aim of the present study was to investigate both the effects and the underlying mechanism of SIX4 on angiogenesis in OC. The Gene Expression Profiling Interactive Analysis and Encyclopedia of RNA Interactomes databases were employed to predict the expression levels of SIX4 in OC tissues, and its association with the overall survival (OS) rate of patients with OC. The expression levels of SIX4 in OC cell lines were detected by reverse transcription‑quantitative PCR (RT‑qPCR) and western blot analysis. Following silencing of SIX4, the proliferation, invasion, migration and angiogenesis of OC cells were investigated via Cell Counting Kit‑8, colony formation, wound healing, Transwell and tube formation assays. Subsequently, the levels of insulin‑like growth factor 2 mRNA binding protein 3 (IGF2BP3) in OC cell lines were detected by RT‑qPCR and western blot analysis. The ability of IGF2BP3 to bind to SIX4 mRNA was detected via an RNA immunoprecipitation assay, and the stability of SIX4 mRNA was assessed by RT‑qPCR following Actinomycin D treatment. Finally, the effects of transfection of sh‑SIX4 and overexpression of IGF2BP3 simultaneously were examined to further delineate the mechanism involved. It was revealed that SIX4 was highly expressed in OC tissues and cells, and its expression was associated with low OS rates in patients with OC. SIX4 knockdown with short hairpin RNA inhibited the proliferation, migration and invasion of cells, as well as angiogenesis. In addition, IGF2BP3 overexpression led to an improvement in the stability of SIX4 mRNA. Overexpression of IGF2BP3 also reversed the inhibitory effect of SIX4 interference on the malignant phenotypes of OC cells. Taken together, the results of the present study demonstrated that IGF2BP3‑stabilized SIX4 promoted the proliferation, metastasis and angiogenesis of SKOV3 cells.
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