Abstract
Hedyotis diffusa Willd. (HDW), a traditional Chinese medicinal plant, exhibits a variety of pharmacological effects and has anticancer potential for a wide range of cancer types; Ferroptosis is a non-apoptosis-regulated cell death induced by iron accumulation and subsequent lipid peroxidation; and there is currently an increasing interest in the therapeutic role of ferroptosis in cancer. However, the effects of HDW on bladder cancer and its underlying molecular mechanisms remain largely unknown. In this study, a combination of in vivo and in vitro experiments, network pharmacology and data mining methods were used to investigate the effects of HDW on BLCA. The results showed that HDW exerted its anticancer activity by inducing ferroptosis in bladder cancer cells. Subsequently, we demonstrated for the first time that HDW induced ferroptosis in vitro and in vivo. To further explore the possible targets of HDW-induced ferroptosis in bladder cancer, we performed network pharmacological analyses, transcriptomic analyses, and single-cell analyses; through integrative analyses, we identified three key pivotal genes associated with iron death, CAV1, VEGFA, and JUN.Mechanistically, we showed that CAV1, VEGFA and JUN are key determinants of HDW-induced ferroptosis in BLCA. Knockdown of target genes altered the anticancer effects of HDW in 5637 and T24 cells. In conclusion, our data show for the first time that HDW exerts its anticancer effects on BLCA through CAV1, VEGFA and JUN gene-induced ferroptosis. This is expected to provide a promising compound for bladder cancer therapy.
Published Version
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