ArticleJournal of translational medicine2024
ZSWIM4 inhibition improves chemosensitivity in epithelial ovarian cancer cells by suppressing intracellular glycine biosynthesis.
Article in Journal of translational medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 8 citations in OpenAlex.
- Metabolic vulnerabilities in ovarian cancer decoding the nexus between nutrient adaptation and therapy resistance.Journal of advanced research · 2026Review
- 70 Years of DON and Beyond: Glutaminase Inhibition as a Synergistic Strategy in Cancer Combination Therapy.Pharmaceutics · 2026Review
- Long non-coding RNAs affect the metastasis of hepatocellular carcinoma cells by regulating the epithelial-to-mesenchymal transition.Molecular and clinical oncology · 2026Article
- Triptonide-mediated PTGS2 Inhibition Induces Autophagic Cell Death to Suppress the Progression of Triple-negative Breast Cancer and Epithelial Ovarian Cancer.International journal of biological sciences · 2026Article
- Platelet-activating factor induces ferroptosis by binding to ATF3 and inhibiting the SLC7A11/GPX4 axis to suppress the progression of endometrial carcinoma.Biology direct · 2025Article
- Bioinformatic Approach to Identify PotentialInternational journal of molecular sciences · 2025Article
- Phosphocholine inhibits proliferation and reduces stemness of endometrial cancer cells by downregulating mTOR-c-Myc signaling.Cellular and molecular life sciences : CMLS · 2024Article
- Potential shared gene signatures and molecular mechanisms between recurrent pregnancy loss and ovarian cancer.Frontiers in oncology · 2024Article
- Organoids research progress in gynecological cancers: a bibliometric analysis.Frontiers in oncology · 2024Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundZinc finger SWIM-type containing 4 (ZSWIM4) induces drug resistance in breast cancer cells. However, its role in epithelial ovarian cancer (EOC) remains unknown. In this study, we aimed to investigate the clinical significance of ZSWIM4 expression in EOC and develop new clinical therapeutic strategies for EOC.
methodsZSWIM4 expression in control and EOC tumor tissues was examined using immunohistochemistry. Lentiviral transduction, Cell Counting Kit-8 assay, tumorsphere formation assay, flow cytometry, western blotting, and animal xenograft model were used to assess the role of ZSWIM4 in chemotherapy. Cleavage Under Targets and Tagmentation (CUT&Tag) assays, chromatin immunoprecipitation assays, and luciferase reporter assays were used to confirm FOXK1-mediated upregulation of ZSWIM4 expression. The mechanism by which ZSWIM4 inhibition improves chemosensitivity was evaluated using RNA-sequencing. A ZSWIM4-targeting inhibitor was explored by virtual screening and surface plasmon resonance analysis. Patient-derived organoid (PDO) models were constructed from EOC tumor tissues with ZSWIM4 expression.
resultsZSWIM4 was overexpressed in EOC tumor tissues and impaired patient prognoses. Its expression correlated positively with EOC recurrence. ZSWIM4 expression was upregulated following carboplatin treatment, which, in turn, contributed to chemoresistance. Silencing ZSWIM4 expression sensitized EOC cells to carboplatin treatment in vitro and in vivo. FOXK1 could bind to the GTAAACA sequence of the ZSWIM4 promoter region to upregulate ZSWIM4 transcriptional activity and FOXK1 expression increased following carboplatin treatment, leading to an increase in ZSWIM4 expression. Mechanistically, ZSWIM4 knockdown downregulated the expression of several rate-limiting enzymes involved in glycine synthesis, causing a decrease in intracellular glycine levels, thus enhancing intracellular reactive oxygen species production induced by carboplatin treatment. Compound IPN60090 directly bound to ZSWIM4 protein and exerted a significant chemosensitizing effect in both EOC cells and PDO models.
conclusionsZSWIM4 inhibition enhanced EOC cell chemosensitivity by ameliorating intracellular glycine metabolism reprogramming, thus providing a new potential therapeutic strategy for EOC.
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