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第44卷第7期 王燕琼,黄智峰,陈雪雨,等. 阿奇霉素对高氧暴露新生大鼠肺损伤保护作用的研究[J].
2024年7月 南京医科大学学报(自然科学版),2024,44(7):901-908 ·905 ·
A 15 *** * B 40 *** * C 20 ** *
mRNA level 10 mRNA level 30 mRNA level 15
Relative MCP⁃1 5 Relative PAI⁃1 20 Relative IL⁃6 10 5
10
0
0
0
RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM
D 10 ** E 200 ** * F 5 000 *
mRNA level 8 6 (pg/mg) 150 (pg/mg) 4 000
3 000
Relative CINC⁃1 4 2 IL⁃6 100 MCP⁃1 2 000
1 000
50
0
0
RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM
A-D:The relative mRNA levels of MCP⁃1(A),PAI⁃1(B),IL⁃6(C),and CINC⁃1(D)in lung tissues in each group(n=6). E,F:The expression
*
**
of IL⁃6(E)and MCP⁃1(F)in lung tissues(n=5~6). P < 0.05,P < 0.01 and *** P < 0.001.
图3 AZM对高氧暴露新生大鼠肺损伤炎症因子/炎症趋化因子的作用
Figure3 EffectofAZMoninflammatoryfactors/inflammatorychemokinesinlunginjuryofneonatalratsinducedbyhyperoxia
A RA⁃Saline RA⁃AZM O 2⁃Saline O2⁃AZM
CD68
B RA⁃Saline RA⁃AZM O 2⁃Saline O2⁃AZM
MPO
C 20 *** ▲ ** D 40 *** ▲ ***
Number of macrophages per field 15 5 ▲ ▲ ▲ ▲ ▲ ▲ ▲ Number of neutrophils per field 30 ▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲
▲
20
10
▲
10
0
0
RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM ▲ RA⁃Saline RA⁃AZM O2⁃Saline O2⁃AZM ▲
A:Representative images of lung sections stained for the macrophage marker CD68(×400). B:Representative images of lung sections stained for
the neutrophils marker MPO(×400). C:Statistical analysis of macrophage count(n=5). D:Statistical analysis of neutrophil count,RA⁃Saline group
**
(n=4),RA⁃AZM group(n=5),O2⁃Saline group(n=5),O2⁃AZM group(n=6). P < 0.01 and *** P < 0.001.
图4 AZM 对高氧暴露新生大鼠肺组织炎症细胞的影响
Figure 4 Effect of AZM on inflammatory cells in lung tissue of neonatal rats exposed to hyperoxia