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·1322 · 南 京 医 科 大 学 学 报 2026年9月
有高度的上下游依赖性。特别是,Pin1在不同类型 manuscript writing,and funding acquisition.
或不同发育阶段的神经干细胞中是否招募了不同的 [参考文献]
辅助因子,或底物磷酸化位点发生了时空特异性改
[1] YAFFE M B,RITTINGER K,VOLINIA S,et al. The struc⁃
变,仍需后续在原代细胞或动物模型中进一步阐明。
tural basis for 14⁃3⁃3:phosphopeptide binding specificity
Notch 信号通路是维持神经干细胞及其未分化 [J]. Cell,1997,91(7):961-971
状态的关键通路。本研究中,Pin1 细胞干性标志物 [2] FAGIANI F,GOVONI S,RACCHI M,et al. The peptidyl⁃
⁃/⁃
Nestin表达未受影响,当然,干性的维持不仅体现在 prolyl isomerase Pin1 in neuronal signaling:from neurode⁃
标志物表达上,更体现在持续的自我更新能力上。 velopment to neurodegeneration[J]. Mol Neurobiol,2021,
与 Nestin 的结果相一致,本研究数据显示,Pin1 细 58(3):1062-1073
⁃/⁃
胞的增殖活性显著增强,表现为Ki67阳性细胞比例 [3] HLEIHEL R,EL HAJJ H,WU H C,et al. A Pin1/PML/
P53 axis activated by retinoic acid in NPM⁃1c acute my⁃
的增加以及BrdU掺入率的升高,提示Pin1主要调控
eloid leukemia[J]. Haematologica,2021,106(12):3090-
NSC 的细胞周期进程,而非直接诱导分化 [23-24] 。这
3099
一特性在神经损伤修复中具有潜在价值:若能通过
[4] LANNI C,MASI M,RACCHI M,et al. Cancer and Al⁃
药物暂时抑制Pin1活性,适度激活Notch通路,可能
zheimer’s disease inverse relationship:an age⁃associated
有助于内源性 NSC 的快速扩增,从而补充受损神经 diverging derailment of shared pathways[J]. Mol Psychia⁃
元。然而,持续的Notch激活也与神经胶质瘤的发生 try,2021,26(1):280-295
[25]
密切相关 。因此,Pin1在NSC中的表达水平必须受 [5] QIU C X,LI Z X,LEIGH D A,et al. The role of the Pin1⁃
到精细调控,以维持“增殖⁃分化”的稳态。 cis p⁃tau axis in the development and treatment of vascu⁃
综上所述,本研究基于基因编辑的 C17.2 细胞 lar contribution to cognitive impairment and dementia
and preeclampsia[J]. Front Cell Dev Biol,2024,12:
模型,发现Pin1缺失通过解除对Notch1信号通路的
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抑制从而促进 NSC 增殖。这一结果揭示了 Pin1 作
[6] CALIGIURI I,VINCENZO C,ASANO T,et al. The meta⁃
为胚胎神经干细胞增殖负向调控因子的新功能,也
bolic crosstalk between PIN1 and the tumour microenvi⁃
提示Pin1对Notch通路的调控具有复杂的时空异质
ronment[J]. Semin Cancer Biol,2023,91:143-157
性,为深入理解神经发育调控网络提供了新的实验 [7] WANG X,LEE D,XU H,et al. PIN1 prolyl isomerase pro⁃
依据。 motes initiation and progression of bladder cancer
利益冲突声明: through the SREBP2 ⁃ mediated cholesterol biosynthesis
所有作者声明无利益冲突。 pathway[J]. Cancer Discov,2025,15(3):633-655
Conflict of Interests: [8] XIE G,OKUDA S,GAO J Y,et al. The central role of
The authors declare no conflict of interests. Pin1 in age⁃related cancer signaling pathways[J]. Semin
作者贡献声明: Cancer Biol,2025,114:173-194
潘婷负责主要实验的实施、实验数据的获取和整理,并 [9] YU J H,IM C Y,MIN S H. Function of PIN1 in cancer de⁃
完成论文初稿撰写;汪静、孙晓琦和陆文晗参与实验实施并 velopment and its inhibitors as cancer therapeutics[J].
协助完成相关实验工作;李琳负责实验资源管理;戴一凡参 Front Cell Dev Biol,2020,8:120
与课题设计并提供实验指导;王盈参与课题设计、实验指导 [10]BALASTIK M,ZHOU X Z,ALBERICH⁃JORDA M,et al.
和数据分析及论文修订。杨海元负责研究设计、实验指导、 Prolyl isomerase Pin1 regulates axon guidance by stabilizing
论文撰写,并提供基金项目支持。 CRMP2A selectively in distal axons[J]. Cell Rep,2015,
Author’s Contributions: 13(4):812-828
PAN ting performed the major experiments,collected and [11]MALTER J S. Pin1 and Alzheimer’s disease[J]. Transl
organized the data,and drafted the manuscript. WANG Jing, Res,2023,254:24-33
SUN Xiaoqi,and LU Wenhan participated in and assisted with [12]ZHENG F,LI Y,ZHANG F,et al. Cobalt induces neuro⁃
the experiments. LI Lin was responsible for the management of degenerative damages through Pin1 inactivation in mice
research resources and experimental materials. DAI Yifan con⁃ and human neuroglioma cells[J]. J Hazard Mater,2021,
tributed to study design and provided experimental supervision. 419:126378
WANG Ying was responsible for study design,experimental su⁃ [13]SHABANI K,PIGEON J,BENAISSA T Z M,et al. The
pervision,data analysis,and manuscript revision. YANG Haiyuan temporal balance between self⁃renewal and differentiation
was responsible for study design,experimental supervision, (下转第1330页)

