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第45卷第10期
               ·1390 ·                           南 京    医 科 大 学 学         报                        2025年10月


                     A                                     B
                                                                       SOX2                Merge
                         ddH2O/NTQ
                                    IHC,Western blot,RT⁃qPCR
                          gavage
                       2.5 months 5×FAD
                                                               AD

                                    4.0 months
                          2.5 months          6.5 months



                                                               AD+NTQ




                                                                                                  50 μm
              C                    D                     E                                F
                   3     ***           1.4     **                  AD     AD+NTQ              1.8     *
                                                           SOX2                   -42 kDa
                                       1.3                                                    1.6
                  SOX2 + /DAPI        mRNA  SOX2  1.2      β⁃actin                -42 kDa    protein levels  1.4
                   2

                                       1.1
                                                                                              1.2
                   1
                                       1.0                                                   SOX2  1.0
                   0                   0.9                                                    0.8
                       AD AD+NTQ            AD AD+NTQ                                              AD AD+NTQ
                 A:Experimental timeline in vivo. B:Immunofluorescence labeling of SOX2 in the hippocampus of AD and AD+NTQ mice(scale bar=50 μm). C:
                                            +
              Quantitative analysis of the percentage of SOX2 cells in the hippocampus of mice(n=6). D:Quantitative RT⁃qPCR detected the SOX2 mRNA levels in
              the hippocampus of mice(n=3). E:Western blot analysis of the SOX2 protein levels in the hippocampus of mice(n=3). F:Quantification of SOX2
                               *
                                      **
              protein expression in mice. P < 0.05,P < 0.01 and  *** P < 0.001(n=3).
                                                图1 NTQ维持AD小鼠中NSC数量
                                        Figure 1 NTQ maintained the number of NSC in AD mice
              A                                                       C
                                                              PBS                TUNEL             Merge



                                                              NTQ
                                                                          PBS
                 E15.5      Brain              Suspension culture
              B               ***           D
                   2.0    *** ***                1.6
                 Relative cell proliferation  1.0  TUNEL/DAPI  1.2        0 μg/mL)  (0.625
                   1.5

                                                 0.8
                   0.5
                                                 0.4

                  -0.5 0                          0                       NTQ                           40 μm
                         0.062 5 0.625 0 6.250 0 62.500 0
                        0                             PBS  NTQ

                           NTQ(μg/mL)
                 A:Schematic of experiments in vitro. B:CCK⁃8 assay showing cell viability(n=4). C:Apoptosis assays of NSC treated with PBS and 0.625 0 μg/ mL
              NTQ(scale bar=20 μm). D:Quantification of the percentage of apoptosis cells(n=15).  *** P < 0.001.
                                                 图2 NTQ处理对细胞活力的影响
                                         Figure 2 The impact of NTQ treatment on cell viability
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