ArticleCellular & molecular biology letters2026
Inhibition of the RORC/GPX4 mediated ferroptosis regulatory axis suppresses tumor growth and alleviates enzalutamide resistance in prostate cancer.
Article in Cellular & molecular biology letters, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Combined Dihydroartemisinin and Eupatilin Suppress Prostate Cancer through AR-Associated Ferroptosis and Modulation of Macrophage-Tumor Crosstalk.Research (Washington, D.C.) · 2026Article
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9 authors.
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Abstract
backgroundPatients with castration-resistant prostate cancer (CRPC) often develop resistance following long-term enzalutamide treatment. Building upon previous research, we aims to further explore the effect of ilicicolin A (ili-A) on enzalutamide resistance and to elucidate the underlying resistance mechanisms.
methodsProliferation, migration, and invasion of prostate cancer (PCa) cells were evaluated by 5-ethynyl-2'-deoxyuridine (EdU) assays, colony formation, scratch, and Transwell. Cell Counting Kit 8 (CCK-8) was used to assess the efficacy of drug inhibition in CRPC cells. The expression of tumor cell apoptotic proteins and ferroptosis was assessed using western blot (WB) analysis. Coimmunoprecipitation (Co-IP) and proximity ligation assay (PLA) were used to identify the mechanism of interaction between ilicicolin A and ferroptosis. Tumor transplantation experiments with mice were conducted to confirm findings.
resultsIli-A showed dose-dependent inhibition of PCa cells including C4-2B and 22Rv1 cell lines. The overexpression of the RORC gene activated the expression of ferroptosis-related proteins, such as FTH1, GPX4 and SLC7A11, and enhanced proliferation of PCa cells. WB experiments indicated that RORC upregulated AR and AR-V7. An enzalutamide-resistant C4-2B cell line revealed that RORC serves as a gene target for enzalutamide resistance. Finally, it was observed that ili-A could suppress CRPC cells proliferation by downregulating RORC expression, thereby promoting ferroptosis and enhancing the sensitivity to enzalutamide.
conclusionsIli-A inhibited RORC expression, increased malondialdehyde (MDA) content, suppressed glutathione (GSH) production, released free Fe
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