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第44卷第8期
               ·1054 ·                           南 京    医 科 大 学 学         报                        2024年8月


              A  2.0              *     B  2.0                C   1.5             **    D  2.0              *
                 Relative proliferation rate  1.5  Relative proliferation rate  1.5  Relative proliferation rate  1.0  Relative proliferation rate  1.5


                                                                                           1.0
                 1.0
                                           1.0
                                                                  0.5
                 0.5
                                           0.5
                                                                                           0.5
                   0
                   Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%
                         CPO⁃PCL                   CPO⁃PCL                CPO⁃PCL                  CPO⁃PCL
                 A:Hypoxia and osteogenic differentiation culture(Day 7). B:Hypoxia and normal culture(Day 7). C:Normoxia and osteogenic differentiation cul⁃
                                                                      *
                                                                               **
              ture(Day 7). D:Normoxia and normal culture(Day 7). Compared with the control group,P < 0.05 and P < 0.01(n=3).
                                   图1 培养7 d MTT检测不同浓度CPO⁃PCL处理的ADMSC增殖情况
              Figure 1  The proliferation of ADMSC after treatment with different concentrations of CPO⁃PCL for 7 days detected by
                       MTT


              A  1.5                    B  1.5                C   1.5                   D  2.0
                 Relative proliferation rate  1.0  Relative proliferation rate  1.0  Relative proliferation rate  1.0  Relative proliferation rate  1.5


                                                                                           1.0
                                                                  0.5
                                           0.5
                 0.5
                                                                                           0.5
                   0
                   Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%  0 Control 0.10% 0.25% 0.50% 1.00%
                         CPO⁃PCL                   CPO⁃PCL                CPO⁃PCL                  CPO⁃PCL
                 A:Hypoxia and osteogenic differentiation culture(Day 14). B:Hypoxia and normal culture(Day 14). C:Normoxia and osteogenic differentiation
              culture(Day 14). D:Normoxia and normal culture(Day 14)(n=3).
                                  图2 培养14 d MTT检测不同浓度CPO⁃PCL处理的ADMSC增殖情况
              Figure 2  The proliferation of ADMSC after treatment with different concentrations of CPO⁃PCL for 14 days detected by
                       MTT


              A   6          ***  ***  B  4             ***    C  2.0             ***  D   1.5
                 Relative area of ALP  4 2  ***  ***  Relative area of ALP  3 2 1  *  Relative area of ALP  1.5  Relative area of ALP  1.0


                                                                  1.0
                                                                                           0.5
                                                                  0.5
                  0                       0                        0                        0
                  Control 0.10% 0.25% 0.50% 1.00%  Control 0.10% 0.25% 0.50% 1.00%  Control 0.10% 0.25% 0.50% 1.00%  Control 0.10% 0.25% 0.50% 1.00%

                        CPO⁃PCL                 CPO⁃PCL                   CPO⁃PCL                  CPO⁃PCL
                 A:Hypoxia and osteogenic differentiation culture(Day 7). B:Hypoxia and normal culture(Day 7). C:Normoxia and osteogenic differentiation cul⁃
                                                                      *
              ture(Day 7). D:Normoxia and normal culture(Day 7). Compared with the control group,P < 0.05 and  *** P < 0.001(n=3).
                        图3  ALP检测缺氧或常氧培养7 d不同浓度CPO⁃PCL对ADMSC成骨分化培养和正常培养的影响
              Figure 3  The effects of different concentrations of CPO⁃PCL on ADMSC with osteogenic differentiation culture or normal
                      culture under hypoxia or normoxia for 7 days detected by ALP


              1.00%浓度的 CPO⁃PCL 微粒对 ADMSC 成骨诱导明                  促进细胞成骨分化,ALP相对含量增多,而常氧正常
              显,ALP 相对含量增多(P < 0.05),缺氧正常培养                     培养14 d,未见ALP相对含量增多(图4)。
              14 d,1.00% CPO⁃PCL微粒显著促进ADMSC向成骨                       综上所述,缺氧成骨分化培养条件下,0.10%~
              方向分化,ALP相对含量增多(P < 0.001);常氧成骨                    1.00% CPO⁃PCL微粒均可促进ADMSC成骨分化;缺
              分化培养14 d,0.50%和1.00%的CPO⁃PCL微粒显著                  氧正常培养或者常氧成骨分化培养条件下,1.00%
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