Page 58 - 南京医科大学自然版
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第46卷第10期
·1488 · 南 京 医 科 大 学 学 报 2026年10月
A B
Bright⁃field TUNEL Merge
100
**
80 **##
Control (%) 60 △△
TUNEL 40
20
OGD 0
Control OGD NC Antagomir
C 15
** #
(%)
NC 10 △△
Apoptosis rate 5
antagomir
0
Control OGD NC Antagomir
D Control OGD NC Antagomir
10 7 10 7 10 7 10 7
Q1⁃1 Q1⁃2 Q1⁃1 Q1⁃2 Q1⁃1 Q1⁃2 Q1⁃1 Q1⁃2
9.86% 3.37% 7.31% 4.94% 9.82% 2.51% 10.99% 5.24%
10 6 10 6 10 6 10 6
PerCP⁃H 10 5 10 4 PerCP⁃H 10 5 10 4 PerCP⁃H 10 5 10 4 PerCP⁃H 10 5 10 4
Q1⁃3 Q1⁃4 Q1⁃3 Q1⁃4 Q1⁃3 Q1⁃4 Q1⁃3 Q1⁃4
10 2.2 83.38% 3.38% 10 2.1 78.00% 9.76% 10 1.9 85.42% 3.35% 10 2 80.42% 3.35%
10 3.2 10 5 10 7 10 9.3 10 3.1 10 5 10 7 10 9.3 10 3.3 10 5 10 7 10 9.3 10 3.1 10 5 10 7 10 9.3
FITC⁃H FITC⁃H FITC⁃H FITC⁃H
F 0.4 G 0.8
E 0.3 * △△ 0.6 **
Control OGD NC Antagomir protein expression △△ **#
Bcl⁃2 26 kDa 0.2 ** **## Bax protein expression 0.4
Bax 21 kDa 0.1 0.2
Bcl⁃2
β⁃actin 42 kDa 0
0
Control OGD NC Antagomir Control OGD NC Antagomir
RBMEC were transfected with a miR⁃18a antagomir prior to OGD and EA treatment(50 μmol/L). A:Representative images of TUNEL staining
(×200). B:Quantitative analysis of TUNEL⁃positive cells. C:Statistical summary of the total apoptotic cell percentage. D:Representative flow cytometry
dot plots of Annexin V⁃FITC/PI staining. E:Representative Western blot images of Bcl⁃2 and Bax. F,G:Quantitative analysis of Bcl⁃2(F)and Bax(G)
protein expression levels,normalized to β⁃actin. Compared with the control group,P < 0.05,P < 0.01;compared with the OGD group, P < 0.01;
*
**
△△
##
#
compared with the NC group,P < 0.05,P < 0.01(n=3).
图5 抑制miR⁃18a阻断了EA对OGD损伤RBMEC的抗凋亡作用
Figure 5 Inhibition of miR⁃18a reverses the anti⁃apoptotic effects of EA in OGD⁃injured RBMEC

