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第44卷第8期
               ·1060 ·                           南 京    医 科 大 学 学         报                        2024年8月


              A
                                                 CPO⁃PCL
                         Control   0.10%     0.25%    0.50%     1.00%      Normoxia and osteogenic  Normoxia and normal
                                                                            differentiation culture
                                                                                                     culture
                  Osteogenic  differentiation  culture                       4 3     *** ***     4 3        ***
                RUNX2                                                     Relative fluorescence  intensity of RUNX2  2 1  Relative fluorescence  intensity of RUNX2  2 1  **  *  ***

                      Normal culture                                         0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%



                                                                                 CPO⁃PCL             CPO⁃PCL
              B                                  CPO⁃PCL
                         Control   0.10%     0.25%    0.50%      1.00%      Normoxia and osteogenic  Normoxia and normal
                                                                                                     culture
                                                                             differentiation culture
                  Osteogenic  differentiation  culture                      2.5       **  **     5 4      ** ***
                                                                            2.0
                Osteocalcin                                               Relative fluorescence  intensity of Osteocalcin  1.5  Relative fluorescence  intensity of Osteocalcin  3 2 1  **  **
                                                                            1.0
                      Normal culture                                          0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%
                                                                            0.5


                                                                                 CPO⁃PCL             CPO⁃PCL
              C                                  CPO⁃PCL
                         Control   0.10%     0.25%    0.50%      1.00%
                                                                           Normoxia and osteogenic  Normoxia and normal
                                                                            differentiation culture
                                                                                                     culture
                  Osteogenic  differentiation  culture                      2.0                  4 3      *** ***
                                                                            1.5
                Osteopontin                                               Relative fluorescence  intensity of Osteopontin  1.0  Relative fluorescence  intensity of Osteopontin  2 1  *
                      Normal culture                                          0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%
                                                                            0.5



                                                                                  CPO⁃PCL            CPO⁃PCL
                 Effects of different concentrations of CPO⁃PCL on microparticles RUNX2(A),Osteocalcin(B)and Osteopontin(C)expression after normoxic osteo⁃
                                                                                                     **
                                                                                               *
              genic differentiation or normal culture for 14 days(Scale bars=100 μm;magnification:×200). Compared with the control group,P < 0.05,P < 0.01 and
              ***
               P < 0.001(n=3).
              图10   免疫荧光检测常氧14 d不同浓度CPO⁃PCL 微粒对ADMSC成骨分化培养和正常培养中RUNX2、Osteocalcin 和 Os⁃
                    teopontin的表达情况
              Figure 10  Expression levels of RUNX2,Osteocalcin and Osteopontin in ADMSC with osteogenic differentiation culture or
                       normal culture after treatment of different concentrations of CPO⁃PCL microparticles under normoxia for 14
                       days detected by immunofluorescence

              治疗骨缺损的新方法奠定了基础。                                   [3] XING M,WANG X,WANG E,et al. Bone tissue engineer⁃

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