Page 27 - 《南京医科大学学报(自然科学版)》2025年第9期
P. 27
第45卷第9期 张 鸽,陈 昕,顾婧瑶,等. circ_0003633对肺腺癌细胞奥希替尼耐药的作用研究[J].
2025年9月 南京医科大学学报(自然科学版),2025,45(9):1229-1241 ·1239 ·
A HCC827/OR H1975/OR
1.5 1.5
** ** **
Relative expression of ALDOC 1.0 Relative expression of ALDOC 1.0
**
0.5
0.5
0 0
si⁃ALDOC⁃1#
si⁃ALDOC⁃1#
si⁃NC si⁃ALDOC⁃2# si⁃NC si⁃ALDOC⁃2#
B
HCC827/OR H1975/OR
1.2 si⁃NC 2.0 si⁃NC
1.0 ** si⁃ALDOC ** si⁃ALDOC
nm) 0.8 ** si⁃NC+1.0 μmol/L Osimertinib nm) 1.5 si⁃NC+1.0 μmol/L Osimertinib
si⁃ALDOC+1.0 μmol/L
si⁃ALDOC+1.0 μmol/L
(450 0.6 Osimertinib (450 1.0 ** Osimertinib
0.4
D
D
0.5
0.2
0 0.0
0 24 48 72 96 0 24 48 72 96
Incubation time(h) Incubation time(h)
C
HCC827/OR H1975/OR
si⁃NC
si⁃NC si⁃ALDOC si⁃NC si⁃ALDOC si⁃ALDOC
si⁃NC+1.0 μmol/L Osimertinib
μmol/L 150 ** *
si⁃ALDOC+1.0 μmol/L Osimertinib
0 100 ** * * *
Osimertinib Number of colonies
1.0 μmol/L 50
0
HCC827/OR H1975/OR
D HCC827/OR H1975/OR si⁃NC
si⁃ALDOC
si⁃NC si⁃ALDOC si⁃NC si⁃ALDOC
si⁃NC+1.0 μmol/L Osimertinib
si⁃ALDOC+1.0 μmol/L Osimertinib
μmol/L 300 ** * **
Osimertinib 0 Number of cells 200 ** * **
1.0 μmol/L 100
0
HCC827/OR H1975/OR
A:Validation of ALDOC knockdown efficiency via qRT⁃PCR. B,C:CCK⁃8 and colony formation assay demonstrated attenuated proliferative ca⁃
pacity in ALDOC⁃knockdown drug⁃resistant cells. D,E:Transwell migration assay revealed diminished migratory potential of ALDOC⁃depleted drug⁃re⁃
**
*
sistant cells. P < 0.05 and P < 0.01(n=3).
图9 ALDOC促进耐药细胞增殖迁移
Figure 9 ALDOC promoted the proliferation and migration of drug⁃resistant cells
号通路参与耐药发生。 制是 circ_0003633 与 hnRNPA1 结合促进 ALDOC 的
综上所述,circ_0003633促进了肺腺癌奥希替尼 表达,并激活 PI3K/AKT 信号通路,这将为逆转奥希
耐药细胞的增殖、迁移及耐药,其发挥作用的可能机 替尼耐药提供新的靶点。

