Abstract
Although pectin oligosaccharide (POS) can inhibit the growth and proliferation of gastric, colon, prostate, breast, melanoma, and leukemia cells, its effect on bladder cancer remains unknown. Therefore, screening and identification of factors associated with the sensitivity of bladder cancer to drugs and elucidation of their molecular mechanisms will help provide a theoretical basis for establishing postoperative systemic chemotherapy for patients with bladder cancer. We showed that POS promoted the apoptosis of bladder cancer cells, and this finding was consistent with enhanced α2,6-sialylation post-modification. Moreover, POS activated the Hedgehog pathway, the inhibition of which regulated the tumorigenicity of bladder cancer cells in vivo. These findings were consistent with our results in vitro. We conclude that POS promotes the apoptosis of bladder cancer and offers new insights and evidence for the development of individualized treatment strategies. Schema of molecular events underlying POS-induced inhibition of bladder cancer cell proliferation.
Published Version
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