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第45卷第7期 沈埝萱,孙陈晨,孔灵杰,等. ST3GAL3在食管鳞癌中的作用与机制研究[J].
2025年7月 南京医科大学学报(自然科学版),2025,45(7):925-935,944 ·929 ·
A GSE130078(n=23) B GSE111011(n=7) C GSE119436(n=4)
*** * **
5 4 5 4 5
(normalized counts) 3 2 (normalized counts) 3 2 (normalized counts) 4
log2 1 log2 1 log2 2
0 0 0
Normal Tumor Normal Tumor Normal Tumor
A-C:The mRNA expression levels of ST3GAL3 in paired ESCC and adjacent normal tissues based on the expression profile of GSE130078(A,
**
*
n=23),GSE11011(B,n=7),and GSE119436(C,n=4). P < 0.05,P < 0.01 and *** P < 0.001.
图1 ST3GAL3 mRNA水平在ESCC临床标本中高表达
Figure 1 The expression of ST3GAL3 mRNA was highly expressed in ESCC clinical sample tissues
A 4 *** B Normal tissues Tumor tissues
Relative mRNA expression (fold change) 3 2 1 Patient #1 × 100 × 200 × 100 × 200
0
Normal Tumor
C
1.0 Patient #2
Accumulated survival rate 0.6 ST3GAL3 (n=66) low 100 μm
0.8
ST3GAL3 (n=31)
0.4
high
0.2
0 log rank P=0.002
0 10 20 30 40 50 60
Survival time(months)
A:The mRNA expression level of ST3GAL3 in paired ESCC and adjacent normal tissues(n=21). B:Representative IHC images of ST3GAL3
staining in ESCC and paired normal specimens of 2 representative ESCC patients. C:Kaplan⁃Meier analysis of overall survival in a cohort of ESCC pa⁃
tients(n=97). *** P < 0.001.
图2 ST3GAL3在ESCC患者组织标本中高表达且与患者预后相关
Figure 2 ST3GAL3 levels were highly expressed in ESCC patient tissue samples and were associated with clinical prognosis
(图 3B)。WB验证ST3GAL3过表达结果显示,与对 细胞增殖能力差异无统计学意义(P > 0.05,图3C);
照组细胞相比,ST3GAL3⁃WT及ST3GAL3⁃Mutant组 ECM包被条件下Transwell实验结果显示,与对照组
细胞ST3GAL3蛋白表达水平明显升高(P均<0.001, KYSE⁃410细胞相比,ST3GAL3⁃WT组细胞迁移能力
图3B)。 明显增加(P < 0.001),而ST3GAL3⁃Mutant组细胞的
细胞增殖(ECM包被)实验结果显示,ST3GAL3⁃ 迁移能力较对照组无明显变化(图3D)。
WT 和 ST3GAL3⁃Mutant 组 KYSE⁃410 细胞与对照组 进一步在 ST3GAL3 内源性高表达的 KYSE⁃70

