ArticleCytotechnology2023
Selinexor assists vorinostat in inhibiting HDAC activity via promoting the accumulation of maspin in the nucleus of oral tongue squamous cell carcinoma cells.
Article in Cytotechnology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 4 citations in OpenAlex.
- Expression profile of GSDMB in oral squamous cell carcinoma and its impact on tumor immune microenvironment and prognosis.BMC oral health · 2026Article
- Selinexor, a selective inhibitor of nuclear export, shows anti-proliferative and anti-migratory effects on male germ cells in vitro.BMC pharmacology & toxicology · 2025Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Oral tongue squamous cell carcinoma (OTSCC) is the most common oral cancer with a low overall survival rate, necessitating effective treatments. This study reports the anti-OTSCC effect of vorinostat and selinexor. OTSCC cell lines SCC-4 and SCC-25 were cultured to determine the effects of vorinostat and/or selinexor on cell survival, invasion, migration, and apoptosis. The transplanted tumor model of SCC-25 in nude mice was established to observe the therapeutic effects of vorinostat and/or selinexor. Western blotting was used to determine protein expressions in tumor cells. The results showed that histone deacetylase 1 (HDAC1) and exportin 1 (XPO1) were highly expressed, while nuclear maspin was expressed at a low rate in SCC-4 and SCC-25 compared to the normal tongue tissue. In vitro, both vorinostat and selinexor effectively inhibited cell viability, invasion, and migration, promoted cell apoptosis, down-regulated HDAC1, Matrix Metalloproteinase 2 (MMP2), and B cell leukemia/lymphoma 2 (Bcl-2), and up-regulated nuclear maspin and cleaved caspase 3. In vivo, both vorinostat and selinexor inhibited the growth of SCC-25-bearing tumors, down-regulated the expression of Ki67, HDAC1, MMP2, and Bcl-2, and promoted the expression of nuclear maspin and cleaved caspase 3. The combination of these two drugs exhibited synergistic effects both in vivo and in vitro. Our evidence shows that vorinostat combined with selinexor is an effective treatment for OTSCC. The mechanism may be that selinexor promotes the accumulation of maspin in the nucleus, an endogenous HDAC1 inhibitory protein to inhibit the HDAC1 activity of vorinostat and exert a synergistic anti-OTSCC effect.
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Registered trials
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