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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

