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This study investigated the underlying function and mechanism of genipin in neuroblastoma (NB). Using flow cytometry analysis and cytotoxicity tests, in vitro studies were conducted to assess the effects of genipin on the SK-N-SH cell line. The mechanism of action of genipin was explored through immunofluorescence staining, Western blotting, and caspase-3 activity assays. In addition, we also created a xenograft tumour model to investigate the effects of genipin in vivo. This research confirmed that genipin suppressed cell viability, induced apoptosis, and promoted autophagy, processes that are likely linked to the inhibition of the PI3K/AKT/mTOR signalling pathway. Autophagy inhibition increases the sensitivity of SK-N-SH cells to genipin. Furthermore, combination treatment with a PI3K inhibitor enhanced the therapeutic efficacy of genipin. These results highlight the potential of genipin as a candidate drug for the treatment of NB.
Liu et al. (Fri,) studied this question.