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第45卷第9期        苏   宁,曹   颖,张淑平,等. PARP1在K192位点的乳酸化抑制卵巢癌细胞的迁移和增殖[J].
                  2025年9月                  南京医科大学学报(自然科学版),2025,45(9):1219-1228,1241                    ·1227 ·


                A         Ki67          DAPI          Merge       C        PCNA          DAPI          Merge


                    Control                                          Control






                    PARP1⁃WT                                         PARP1⁃WT






                    PARP1⁃K192A                                      PARP1⁃K192A




                                                          50 μm                                             50 μm
                                       B   60    **  **              D    80   ***  *  **
                                           (A.U.)  40                    (A.U.)  60


                                           lntensity  20                 PCNA lntensity  40

                                           Ki67                           20

                                            0                              0
                                              Control PARP1⁃K192A           Control PARP1⁃K192A
                                                                             PARP1⁃WT
                                               PARP1⁃WT

                   A-D:Immunofluorescence and quantification of Ki67(A and B),and PCNA(C and D)showed that PARP1⁃WT OE significantly decreased the pro⁃
                                                                   **
                                                            *
                liferation of A2780 cells,while PARP1⁃K192A had much less impact. P < 0.05,P < 0.01,and  *** P < 0.001(scale bar=50 μm,n=3).
                                              图7 PARP1过表达降低了A2780细胞的增殖
                                    Figure 7 PARP1 overexpression decreased proliferation of A2780 cells

                A                                                        B                   D
                          Control         PARP1⁃WT        PARP1⁃K192A
                                                                            150                  60    ***  ***
                                                                            (A.U.)  *  *        (A.U.)
                   ROS                                                      100                  40
                                                                            ROS lntensity

                                                                   20 μm     50                 Annexin V lntensity  20
                C         Control         PARP1⁃WT        PARP1⁃K192A
                                                                              0  Control          0
                                                                                   PARP1⁃K192A
                                                                                                     PARP1⁃WT
                   Annexin V                                                     PARP1⁃WT          Control PARP1⁃K192A


                                                                   20 μm
                   A,B:ROS staining and quantification showed that PARP1⁃WT OE significantly increased ROS level of A2780 cells,while PARP1⁃K192A had
                much less impact. C,D:Annexin V staining and quantification showed that PARP1⁃WT OE significantly increased the apoptosis level of A2780 cells,
                                             *
                                                   ***
                while PARP1⁃ K192A had much less impact. P < 0.05, P < 0.001(scale bar=20 μm,n=3).
                                            图8   PARP1过表达降低了A2780细胞的健康状况
                                    Figure 8  PARP1 overexpression decreased health status of A2780 cells
                小燕、杨莉莉和张东负责实验设计;其余作者均参与了部分                        和杨莉莉负责审校并提出修改建议。所有作者均阅读了论
                实验协助工作。论文稿件由张东在苏宁协助下撰写,应小燕                        文终稿并同意发表。
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