1.辽宁中医药大学 中医脏象理论及应用教育部重点实验室,沈阳 110847
2.辽宁中医药大学 第一临床学院,沈阳 110847
3.辽宁中医药大学 基础医学院,沈阳 110847
4.辽宁中医药大学 教学实验中心,沈阳 110847
董涵宇,在读硕士,从事中医药抗肿瘤研究,E-mail:2451507535@qq.com
刘文俊,博士,高级实验师,从事中医药抗肿瘤研究,E-mail:liuwenjun8341@163.com
收稿:2025-01-08,
修回:2025-02-24,
录用:2025-03-14,
网络首发:2025-03-20,
纸质出版:2026-03-20
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董涵宇,王淳,刘春英等.参麦注射液改善非小细胞肺癌顺铂耐药作用机制[J].中国实验方剂学杂志,2026,32(06):131-142.
DONG Hanyu,WANG Chun,LIU Chunying,et al.Mechanisms of Shenmai Injection in Improving Cisplatin Resistance in Non-small Cell Lung Cancer[J].Chinese Journal of Experimental Traditional Medical Formulae,2026,32(06):131-142.
董涵宇,王淳,刘春英等.参麦注射液改善非小细胞肺癌顺铂耐药作用机制[J].中国实验方剂学杂志,2026,32(06):131-142. DOI: 10.13422/j.cnki.syfjx.20251027.
DONG Hanyu,WANG Chun,LIU Chunying,et al.Mechanisms of Shenmai Injection in Improving Cisplatin Resistance in Non-small Cell Lung Cancer[J].Chinese Journal of Experimental Traditional Medical Formulae,2026,32(06):131-142. DOI: 10.13422/j.cnki.syfjx.20251027.
目的
2
观察参麦注射液是否通过影响非小细胞肺癌(NSCLC)顺铂耐药细胞脂质代谢,并诱导铁死亡改善其顺铂耐药。
方法
2
选用人肺腺癌顺铂耐药A549/DDP细胞,分为空白组、顺铂组(23.3 μmol·L
-1
顺铂)、参麦注射液组(20 g·L
-1
参麦注射液)、顺铂联合参麦注射液组(23.3 μmol·L
-1
顺铂+20 g·L
-1
参麦注射液);顺铂联合铁死亡抑制剂/诱导剂Ferrostatin-1/Erastin组(23.3 μmol·L
-1
顺铂+10 μmol·L
-1
Ferrostatin-1/5 μmol·L
-1
Erastin)、顺铂联合参麦注射液联合Ferrostatin-1/Erastin组(23.3 μmol·L
-1
顺铂+20 g·L
-1
参麦注射液+10 μmol·L
-1
Ferrostatin-1/5 μmol·L
-1
Erastin)。联合使用网络药理学、转录组/代谢组学技术、细胞增殖与活性检测(CCK-8)法、透射电镜(TEM)法、比色法及蛋白免疫印迹法(Western blot)等,体外研究顺铂联合参麦注射液对A549/DDP细胞存活率、脂滴形成、脂质代谢物含量、线粒体功能、脂质过氧化水平、谷胱甘肽(GSH)含量、总铁离子及二价亚铁离子含量和铁死亡、自噬的蛋白水平的影响。
结果
2
参麦注射液改善NSCLC顺铂耐药的作用靶点主要富集于A549/DDP细胞的脂代谢相关通路,其可在自噬、铁死亡、甘油磷脂代谢通路上影响肿瘤细胞的脂质代谢物水平。与顺铂组比较,顺铂联合参麦注射液组A549/DDP细胞存活率显著降低(
P
<
0.01),脂滴积累显著升高(
P
<
0.01),最大呼吸值、基础呼吸值、线粒体膜电位、GSH含量和总铁离子及二价亚铁离子含量显著降低(
P
<
0.01)。同时,线粒体活性氧(ROS)显著升高(
P
<
0.01),脂质过氧化水平明显升高;而小鼠溶质载体家族7成员11(SLC7A11)、泛素结合蛋白(p62)蛋白表达明显降低(
P
<
0.05,
P
<
0.01)。同时,铁蛋白重链(FTH)、微管相关蛋白1轻链3Ⅱ(LC3Ⅱ)蛋白表达明显升高(
P
<
0.05,
P
<
0.01)。此外,与顺铂联合参麦注射液组比较,顺铂联合参麦注射液联合Ferrostatin-1组A549/DDP细胞存活率明显升高(
P
<
0.05),线粒体ROS水平明显降低(
P
<
0.05),线粒体皱缩现象减少,脂质过氧化水平明显降低;与顺铂联合参麦注射液组比较,顺铂联合参麦注射液联合Erastin组细胞存活率显著降低(
P
<
0.01)。
结论
2
参麦注射液通过诱导氧化应激改善NSCLC顺铂耐药,其机制可能与脂滴自噬上调诱导的铁死亡有关。
Objective
2
To investigate whether Shenmai injection (SMI) improves cisplatin resistance in non-small cell lung cancer (NSCLC) by modulating lipid metabolism and inducing ferroptosis.
Methods
2
Human lung adenocarcinoma cisplatin-resistant A549/DDP cells were divided into the following groups: Blank group, cisplatin group (23.3 μmol·L
-1
cisplatin), SMI group (20 g·L
-1
SMI), cisplatin combined with SMI group (23.3 μmol·L
-1
cisplatin + 20 g·L
-1
SMI), cisplatin combined with ferroptosis inhibitor/inducer Ferrostatin-1/Erastin group (23.3 μmol·L
-1
cisplatin + 10 μmol·L
-1
Ferrostatin-1/5 μmol·L
-1
Erastin), and cisplatin combined with SMI and Ferrostatin-1/Erastin group (23.3 μmol·L
-1
cisplatin + 20 g·L
-1
SMI + 10 μmol·L
-1
Ferrostatin-1/5 μmol·L
-1
Erastin). Network pharmacology, transcriptomics and metabolomics, Cell Counting Kit-8 (CCK-8) assay, transmission electron microscopy (TEM), colorimetric assays, and Western blot analysis were employed to evaluate the effects of these treatments on A549/DDP cell viability, lipid droplet formation, lipid metabolite levels, mitochondrial function, lipid peroxidation, glutathione (GSH) content, total and ferrous iron content, and effects on ferroptiosis and autophagy related protein expression levels.
Results
2
SMI improved cisplatin resistance in NSCLC mainly by targeting lipid metabolism-related pathways in A549/DDP cells, affecting tumor cell lipid metabolism via autophagy, ferroptosis, and glycerophospholipid metabolism pathways. Compared with the cisplatin group, the cisplatin combined with SMI group showed significantly decreased cell viability (
P
<
0.01), increased lipid droplet accumulation (
P
<
0.01), and reduced mitochondrial maximal respiration, basal respiration, mitochondrial membrane potential, GSH content, total iron, and ferrous iron (all
P
<
0.01). Mitochondrial reactive oxygen species (ROS) was significantly elevated(
P
<
0.01), and lipid peroxidation levels were significantly increased. Protein expression analysis showed significant downregulation of solute carrier family 7 member 11 (SLC7A11) and p62 (
P
<
0.05,
P
<
0.01) and upregulation of ferritin heavy chain (FTH) and microtubule-associated protein 1 light chain 3Ⅱ (LC3Ⅱ) (
P
<
0.05,
P
<
0.01). Compared with the cisplatin combined with SMI group, addition of Ferrostatin-1 significantly increased cell viability (
P
<
0.05), decreased mitochondrial ROS levels (
P
<
0.05), alleviated mitochondrial shrinkage, and reduced lipid peroxidation. Conversely, addition of Erastin further decreased cell viability (
P
<
0.01).
Conclusion
2
SMI improves cisplatin resistance in NSCLC by inducing oxidative stress, which may trigger ferroptosis through upregulation of lipophagy.
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