南方医科大学学报 ›› 2026, Vol. 46 ›› Issue (3): 523-531.doi: 10.12122/j.issn.1673-4254.2026.03.06
• 基础研究 • 上一篇
梁芷晴1,3(
), 潘富珍2,4, 邓利强4, 麦哲芬4, 马云2, 施传坚2,4(
), 付卫明1,3(
)
收稿日期:2025-09-11
出版日期:2026-03-20
发布日期:2026-03-26
通讯作者:
施传坚,付卫明
E-mail:liangzqing2025@163.com;shichuanjian2018@163.com;fuweiming76@smu.edu.cn
作者简介:梁芷晴,在读硕士研究生,E-mail: liangzqing2025@163.com
基金资助:
Zhiqing LIANG1,3(
), Fuzhen PAN2,4, Liqiang DENG4, Zhefen MAI4, Yun MA2, Chuanjian SHI2,4(
), Weiming FU1,3(
)
Received:2025-09-11
Online:2026-03-20
Published:2026-03-26
Contact:
Chuanjian SHI, Weiming FU
E-mail:liangzqing2025@163.com;shichuanjian2018@163.com;fuweiming76@smu.edu.cn
Supported by:摘要:
目的 探讨生脉散改善非小细胞肺癌奥希替尼耐药的作用和机制。 方法 制备大鼠含药血清,单用或联合奥希替尼处理人肺癌细胞A549检测细胞活力的变化,试剂盒检测细胞葡萄糖和乳酸含量变化,构建小鼠皮下肺癌模型,观察生脉散联合奥希替尼使用对奥希替尼体内抗肺癌活性的影响。Western blotting、RT-qPCR和免疫荧光实验检测生脉散和乳酸对Wnt/β-catenin/LDHA信号通路的影响。 结果 生脉散以浓度依赖性增加A549细胞对奥希替尼的药物敏感性,与单用奥希替尼组比较,生脉散联合奥希替尼抑制细胞活力(P<0.001),克隆形成(P<0.001)和肺癌细胞体内增长(P<0.05),生脉散呈剂量依赖性减少A549细胞葡萄糖和乳酸含量(P<0.05)。Western blotting结果显示生脉散抑制LDHA、β-catenin总蛋白、细胞质和细胞核β-catenin蛋白表达(P<0.01),而乳酸则激活β-catenin总蛋白、细胞核β-catenin和LDHA蛋白表达(P<0.001);免疫荧光结果显示乳酸激活β-catenin蛋白核积累,而生脉散抑制细胞核β-catenin蛋白表达;RT-qPCR结果显示乳酸激活Wnt/β-catenin下游靶基因(c-myc、CD44、Axin2、Oct3/4、Survivin和CCND1)的表达(P<0.05),而生脉散则抑制其表达(P<0.05)。 结论 生脉散抑制肺癌细胞乳酸/Wnt/β-catenin/LDHA通路,抑制糖酵解水平,改善非小细胞肺癌奥希替尼耐药。
梁芷晴, 潘富珍, 邓利强, 麦哲芬, 马云, 施传坚, 付卫明. 生脉散通过调控乳酸/Wnt/β-catenin/LDHA通路改善非小细胞肺癌奥希替尼耐药的作用机制[J]. 南方医科大学学报, 2026, 46(3): 523-531.
Zhiqing LIANG, Fuzhen PAN, Liqiang DENG, Zhefen MAI, Yun MA, Chuanjian SHI, Weiming FU. Shengmai San improves osimertinib resistance of non-small cell lung cancer cells by regulating the lactate/Wnt/β-catenin/LDHA pathway[J]. Journal of Southern Medical University, 2026, 46(3): 523-531.
| Gene name | Sequence (5' to 3') | |
|---|---|---|
| β-actin | Forward | GTCATTCCAAATATGAGATGCGT |
| Reverse | GCTATCACCTCCCCTGTGTG | |
| c-Myc | Forward | TTCGGGTAGTGGAAAACCAG |
| Reverse | CAGCAGCTCGAATTTCTTCC | |
| CD44 | Forward | TCAGAGGAGTAGGAGAGAGGAAAC |
| Reverse | GAAAAGTCAAAGTAACAATAACAGTGG | |
| Axin-2 | Forward | GGATCGCTCCTCTTGAAGGA |
| Reverse | CTTTCGCCAACCGTGGTT | |
| Survivin | Forward | CCACCGCATCTCTACATTCAAG |
| Reverse | CAAGTCTGGCTCGTTCTCAGTG | |
| Oct3/4 | Forward | TCGAGAACCGAGTGAGAGGC |
| Reverse | CACACTCGGACCACATCCTTC | |
| Cyclin D1 | Forward | CTGGAGGTCTGCGAGGAACA |
| Reverse | CCTTCATCTTAGAGGCCACGAA | |
| LDHA | Forward | ATGGCAACTCTAAAGGATCAGC |
| Reverse | CCAACCCCAACAACTGTAATCT |
表1 引物序列
Tab.1 Primer sequence for RT-qPCR
| Gene name | Sequence (5' to 3') | |
|---|---|---|
| β-actin | Forward | GTCATTCCAAATATGAGATGCGT |
| Reverse | GCTATCACCTCCCCTGTGTG | |
| c-Myc | Forward | TTCGGGTAGTGGAAAACCAG |
| Reverse | CAGCAGCTCGAATTTCTTCC | |
| CD44 | Forward | TCAGAGGAGTAGGAGAGAGGAAAC |
| Reverse | GAAAAGTCAAAGTAACAATAACAGTGG | |
| Axin-2 | Forward | GGATCGCTCCTCTTGAAGGA |
| Reverse | CTTTCGCCAACCGTGGTT | |
| Survivin | Forward | CCACCGCATCTCTACATTCAAG |
| Reverse | CAAGTCTGGCTCGTTCTCAGTG | |
| Oct3/4 | Forward | TCGAGAACCGAGTGAGAGGC |
| Reverse | CACACTCGGACCACATCCTTC | |
| Cyclin D1 | Forward | CTGGAGGTCTGCGAGGAACA |
| Reverse | CCTTCATCTTAGAGGCCACGAA | |
| LDHA | Forward | ATGGCAACTCTAAAGGATCAGC |
| Reverse | CCAACCCCAACAACTGTAATCT |
图1 549细胞存活率与克隆形成的能力
Fig.1 Viability and colony-forming ability of A549 cells with different treatments (Mean±SD, n=3). A: Viability of A549 cells treated with SMS, osimertinib, or osimertinib combined with various concentrations of SMS. B: Colony formation of A549 cells and quantitative analysis. ***P<0.001 vs Control group; #P<0.05, ##P<0.01, ###P<0.001 vs Osi group. SMS-L: SMS low-dose group; SMS-M: SMS medium-dose group; SMS-H: SMS high-dose group; Osi: Osimertinib group.
图2 动物实验体内肿瘤的相关情况
Fig.2 Assessment of xenograft growth in nude mice (Mean±SD, n=3). A-C: Representative images of xenograft tumors, growth curve and tumor weight in the tumor-bearing C57BL/6 mice in the 4 treatment groups. D: Changes in body weight of the mice in the 4 treatment groups. E: Immunohistochemistry for Ki67 in the tumor tissues in the 4 groups. *P<0.05, **P<0.01, ***P<0.001 vs Control group; #P<0.05, ###P<0.001 vs Osi group. a: Control group; b: SMS Medium-dose group; c: Osimertinib monotherapy group; d: SMS medium-dose combined with osimertinib group.
图3 各组细胞葡萄糖和乳酸浓度
Fig.3 Glucose (A) and lactate (B) concentrations A549 cells in each group (Mean±SD, n=3). *P<0.05, **P<0.01, ***P<0.001 vs Control group; ##P<0.01, ###P<0.001 vs Osi group. a: Control group; b: SMS Medium-dose group; c: Osimertinib monotherapy group; d: SMS medium-dose combined with osimertinib group.
图4 各组Wnt/β-catenin/LDHA信号通路相关蛋白和基因表达情况比较
Fig.4 Protein and mRNA expressions of the Wnt/β-catenin/LDHA signaling pathway in A549 cells in different groups (Mean±SD, n=3). A, B: Western blotting of β-catenin and LDHA expression levels in A549 cells. C: Western blotting of β-catenin expression and quantitative analysis its cytoplasmic and nuclear fractions. D: mRNA expressions of Wnt/β-catenin pathway genes detected by by RT-qPCR. *P<0.05, **P<0.01,***P<0.001 vs Control group. a: Control group; b: SMS Medium-dose group; c: Osimertinib monotherapy group; d: SMS medium-dose combined with osimertinib group.
图5 各组体内肿瘤组织中β-catenin蛋白表达比较
Fig.5 Immunohistochemistry of β-catenin protein expression in the tumor tissues in different groups (Mean±SD, n=3). **P<0.01, ***P<0.001 vs Control group;###P<0.001 vs Osimertinib group. a: Control group; b: SMS Medium-dose group; c: Osimertinib monotherapy group; d: SMS medium-dose combined with osimertinib group.
图6 各组Wnt/β-catenin/LDHA信号通路相关蛋白和基因表达情况比较
Fig.6 Expression of Wnt/β-catenin/LDHA pathway components in A549 cells with different treatments (Mean±SD, n=3). A: Western blotting of β‑catenin and LDHA expression in control and 10 mmol/L lactate-treated cells. B: Western blotting of cytoplasmic and nuclear fractions of β‑catenin in control and 10 mmol/L lactate-treated cells. C: mRNA expression of Wnt/β-catenin downstream targets detected by RT-qPCR. *P<0.05, **P<0.01, ***P<0.001 vs Control group. a: Control group; e: 10 mmol/L lactate treatment group.
图7 细胞免疫荧光检测细胞β-catenin蛋白的变化
Fig.7 Immunofluorescence staining for detecting β-catenin expression in A549 cells. A: Control group; B: SMS-Medium-dose group; C: Osimertinib monotherapy group; D: SMS medium-dose combined with osimertinib group; E: 10 mmol/L lactate treatment group.
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