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第45卷第11期         戴欣媛,夏    天,朱 磊,等. RNA结合蛋白RBMS3通过稳定p21 mRNA抑制乳腺癌增殖[J].
                 2025年11月                  南京医科大学学报(自然科学版),2025,45(11):1537-1545,1571                   ·1545 ·


                实RBMS3的抑增殖作用,进一步强化了结论的可靠                         [参考文献]
                性,也提示 RBMS3 功能具有环境依赖性,需结合具
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                    p21是肿瘤抑制蛋白p53的直接靶标,介导细胞                      [2] XIONG X,ZHENG L W,DING Y,et al. Breast cancer:
                周期阻滞并确保基因组稳定性              [17-18] 。p21 在多种肿           pathogenesis and treatments[J]. Signal Transduct Target
                瘤中作为肿瘤抑制因子发挥作用               [19] ,通过结合细胞              Ther,2025,10(1):49
                周期蛋白依赖性激酶或增殖细胞核抗原抑制细胞                            [3] CORLEY M,BURNS M C,YEO G W. How RNA⁃binding
                增殖  [20] ,p21 表达降低与乳腺癌发生相关           [21] 。作为          proteins interact with RNA:molecules and mechanisms[J].
                多种细胞外和细胞内应激信号的关键效应因子,                                  Mol Cell,2020,78(1):9-29
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                p21 在很大程度上受到不同转录后调节因子的调
                                                                       MSI2 isoforms expression and regulation in progression of
                控,如 RBP、microRNA 和不同的翻译后修饰             [22] 。在
                                                                       triple⁃negative breast cancer[J]. J Exp Clin Cancer Res,
                本研究中,RNA⁃seq 数据显示 p21 被 RBMS3 显著上                      2020,39(1):92
                调,组织和细胞实验表明 RBMS3 在 RNA 和蛋白水                     [5] KIM S J,JU J S,KANG M H,et al. RNA⁃binding protein

                平上均正向调控 p21,而 p21 的敲低逆转了 RBMS3                         NONO contributes to cancer cell growth and confers drug
                介导的乳腺癌细胞增殖抑制,表明p21是RBMS3抗                              resistance as a theranostic target in TNBC[J]. Theranos⁃
                增殖作用的关键下游分子。RBP 常通过结合靶                                 tics,2020,10(18):7974-7992
                mRNA 的 3′⁃UTR 调控其稳定性         [23-25] ,但 RBMS3 对  [6] DENG L,LIAO L,ZHANG Y L,et al. SF3A2 promotes
                                                                       progression and cisplatin resistance in triple ⁃ negative
                p21 的调控未见报道。本研究通过 RNA 稳定性实
                                                                       breast cancer via alternative splicing of MKRN1[J]. Sci
                验、RIP、双荧光素酶报告基因实验证实RBMS3直接
                                                                       Adv,2024,10(14):eadj4009
                结合 p21 mRNA 3′⁃UTR 中的 ARE,显著延长 p21               [7] LV L,ZHONG T X,LI Z K,et al. Deciphering the tumorsup⁃
                mRNA 的半衰期。这一机制首次揭示 RBMS3 对                             pressive role of RBMS3 in lung adenocarcinoma through
                p21 的调控方式,补充 RBP 通过 ARE 调控 p21 稳定                      genomic insights into prognosis and mechanisms[J]. Sci
                性的分子网络,为理解 p21表达调控提供新视角。                               Rep,2025,15(1):10722
                                                                 [8] LV S L,ZHOU X,LI Y J,et al. RBMS3,a downstream tar⁃
                    本研究首次阐明 RBMS3 通过结合 p21 mRNA
                                                                       get of AMPK,exerts inhibitory effects on invasion and me⁃
                3′⁃UTR中的ARE增强其稳定性,抑制乳腺癌细胞增
                                                                       tastasis of lung cancer[J]. J Cancer,2023,14(15):2784-
                殖的新机制,证明RBMS3/p21轴与乳腺癌进展相关。
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                   利益冲突声明:
                                                                 [9] GÓRNICKI T,LAMBRINOW J,MROZOWSKA M,et al.
                   所有作者声明无利益冲突。
                                                                       Role of RBMS3 novel potential regulator of the EMT phe⁃
                   Conflict of Interests:
                                                                       nomenon in physiological and pathological processes[J].
                   The authors declare no conflict of interests.
                                                                       Int J Mol Sci,2022,23(18):10875
                   作者贡献声明:
                                                                 [10]YANG Y,QUAN L L,LING Y. RBMS3 inhibits the proli⁃
                   戴欣媛负责设计及实施实验、数据收集与处理、文章撰
                                                                       feration and metastasis of breast cancer cells[J]. Oncol
                写;夏天负责实施实验、数据分析;朱磊负责实施实验、数据
                                                                       Res,2018,26(1):9-15
                整理;奚佩雯、吴靓负责协助实验,参与文章校对和修订;丁
                                                                 [11]ZHU L,XI P W,LI X X,et al. The RNA binding protein
                强负责研究设计与实验指导;石靓负责研究设计与实验指                              RBMS3 inhibits the metastasis of breast cancer by regula⁃
                导,论文审阅。                                                ting Twist1 expression[J]. J Exp Clin Cancer Res,2019,
                   Author’s Contributions:                             38(1):105
                   DAI Xinyuan was responsible for research design,imple⁃  [12]JAMES BLOCK C,MITCHELL A V,WU L,et al. RNA
                mentation of experiments,data collection and analysis,and man⁃  binding protein RBMS3 is a common EMT effector that
                uscript writing;XIA Tian contributed to conduct experiments  modulates triple ⁃ negative breast cancer progression via
                and data analysis;ZHU Lei contributed to conduct experiments  stabilizing PRRX1 mRNA[J]. Oncogene,2021,40(46):
                and organized datasets;XI Peiwen and WU Jing assisted with ex⁃  6430-6442
                periments and participated in manuscript proofreading and revi⁃  [13]ZHOU Y T,LIANG Z P,XIA Y J,et al. Disruption of
                sion;DING Qiang was responsible for research design and experi⁃  RBMS3 suppresses PD ⁃ L1 and enhances antitumor im⁃
                mental guidance. SHI Liang led research design,experimental  mune activities and therapeutic effects of auranofin
                guidance,and conducted manuscript review.                                       (下转第1571页)
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