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第45卷第10期            王景泽,李倩倩,弓玄伟,等. 脑痰清在AD小鼠神经干细胞增殖中的作用和机制[J].
                 2025年10月                  南京医科大学学报(自然科学版),2025,45(10):1386-1394,1486                   ·1391 ·


                   A                                           B                        C
                             PBS                NTQ                120      ***             150   >70 μm
                                                                   (μm)                    (%)  100  >50 μm,≤70 μm
                                                                                                  ≤50 μm
                                                                   Diameter of spheres  80  Sphere numbers  50






                                                     100 μm
                                                                    40                        0
                                                                         PBS  NTQ                 PBS  NTQ
                  D
                            SOX2           Merge         BrdU           Merge         DCX           Merge


                      PBS







                      NTQ







                      MEM


                                               20 μm                        20 μm                       20 μm
                           E                          F            ***           G
                                        ***                                                   ***
                               1.0                        1.0    ***                 1.0
                                      ***                                                    **
                               0.9                        0.8                        0.9
                              SOX2 + /DAPI  0.8          BrdU + /DAPI  0.6           DCX + /DAPI  0.8

                                                                                     0.7
                               0.7
                                                          0.4
                               0.6                        0.2                        0.6
                               0.5                         0                         0.5
                                   PBS NTQ MEM                 PBS NTQ MEM                PBS NTQ MEM
                    H   2.0  ** ***    ** ***  PBS    I  SOX2  PBS  NTQ  MEM   -42 kDa  J  4       ***
                        Relative mRNA expression level  1.5  MEM  β⁃actin      -42 kDa    SOX2 protein levels  3 2 1  ***
                                               NTQ

                        1.0

                        0.5

                          0
                              SOX2      DCX                                                0  PBS NTQ MEM
                   A:Representative images of neurospheres of the PBS and NTQ groups(scale bar=100 μm). B:Quantification of the neurosphere diameter of the
                PBS and NTQ groups(n=20). C:Proportion of different sized neurosphere of the PBS and NTQ groups. D:Immunofluorescence labeling of SOX2(red),
                                                                                                           +
                BrdU(green)and DCX(purple)cells of the PBS,NTQ and MEM groups. E-G:Quantification of the percentage of SOX2(E),BrdU(F)and DCX(G)
                                                                                                             +
                                                                                            +
                                                                                                    +
                               +
                   +
                                                                                                             **
                cells(n=8). H:RT⁃qPCR was used to detect the SOX2 and DCX mRNA levels(n=5). I,J:Western blot analysis of the SOX2 protein level(n=4),P <
                      ***
                0.01 and  P < 0.001. MEM:Memantine.
                                                    图3 NTQ促进NSC体外增殖
                                            Figure 3 NTQ promoted NSC proliferation in vitro
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