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STAT3 对于 p53 的表达具有负调控作用。磷酸化后的                           药大学学报,2023,39(1):21-31.
          STAT3 能够转位至细胞核,通过与 p53 的启动子区域结                          CHEN Z H,YAN Q Y,GU J F,et al. Berberine activates
                            [13]
          合来抑制 p53 的表达 。有文献报道,STAT3 信号失活                          autophagy to induce apoptosis of colorectal cancer cells in
          引起的p53表达水平上调参与了糖饥饿诱导的肾肿瘤细                               a  caspase-dependent  manner[J].  J  Nanjing  Univ  Tradit
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          胞铁死亡 。骨肉瘤细胞中过度活化的 STAT3 信号与                             Chin Med,2023,39(1):21-31.
                                                             [ 6 ]  WANG  X  X,XIA  G,XIAO  S  L,et  al.  A  ferroptosis-
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          骨肉瘤细胞增殖和耐药性的产生密切相关 。这提示
                                                                  related gene signature associated with immune landscape
          STAT3 可能是骨肉瘤治疗的一个重要潜在靶标。本研
                                                                  and therapeutic response in osteosarcoma[J]. Front Oncol,
          究结果表明,小檗碱处理后,MG63 细胞中 p-STAT3、
                                                                  2022,12:1024915.
          STAT3 表达水平均降低,表明小檗碱抑制了 MG63 细胞
                                                             [ 7 ]  ZENG M,ZHOU J,WEN L F,et al. The relationship be‐
          中 STAT3 的活化;而过表达 STAT3 则减弱了小檗碱对                         tween the expression of Ki67 and the prognosis of osteo‐
          MG63 细胞 p53/SLC7A11 信号通路的影响。这些研究                        sarcoma[J]. BMC Cancer,2021,21(1):210.
          结 果 表 明 ,小 檗 碱 可 通 过 抑 制 STAT3 活 化 对 p53/          [ 8 ]  LIU X,DU S W,WANG S D,et al. Ferroptosis in osteo‐
          SLC7A11信号通路起调控作用。但需要注意的是,活化                             sarcoma:a  promising  future[J].  Front  Oncol,2022,12:
          的STAT3能够下调促凋亡因子,同时促进抗凋亡蛋白的                              1031779.
          表达,来达到抑制肿瘤细胞凋亡的目的 。未来还需要                           [ 9 ]  JIANG X J,STOCKWELL B R,CONRAD M. Ferropto‐
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          进一步通过不同细胞系和体内研究,探究STAT3在小檗                              sis:mechanisms,biology and role in disease[J]. Nat Rev
          碱抑制骨肉瘤细胞增殖中的具体作用。                                       Mol Cell Biol,2021,22(4):266-282.
                                                             [10]  KOPPULA P,ZHUANG L,GAN B Y. Cystine transporter
              综上所述,小檗碱可诱导 MG63 骨肉瘤细胞铁死
                                                                  SLC7A11/xCT  in  cancer:ferroptosis,nutrient  depen‐
          亡,其作用机制可能是通过作用于STAT3/p53/SLC7A11
                                                                  dency,and cancer therapy[J]. Protein Cell,2021,12(8):
          信号通路实现的。
                                                                  599-620.
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          中国药房  2024年第35卷第3期                                                 China Pharmacy  2024 Vol. 35  No. 3    · 303 ·
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