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1.山西中医药大学第三临床学院,山西 晋中 030619
2.山西省人民医院肾内科,太原 030012
3.山西医科大学第五临床医学院肾内科,太原 030012
4.山西省人民医院肾脏病大数据中心,太原 030012
5.肾脏病山西省重点实验室,太原 030012
6.山西医科大学教育部慢性肾脏病医药基础研究创新中心,太原 030001
硕士研究生。研究方向:中西医结合防治肾脏疾病。E-mail:baimengqi@stu.sxtcm.edu.cn
主任医师,教授,博士生导师。研究方向:中西医结合防治肾脏疾病。E-mail:xiaoshuangzhou66@163.com
收稿:2025-12-24,
修回:2026-05-15,
录用:2026-05-18,
纸质出版:2026-06-15
移动端阅览
白梦琦,李俊虎,赵志波,等.虫草素通过Nrf2/HO-1通路抑制铁死亡延缓AKI向CKD转化的作用机制研究 [J].中国药房,2026,37(11):1428-1433.
BAI Mengqi,LI Junhu,ZHAO Zhibo,et al.Study on the mechanism of cordycepin inhibiting ferroptosis via the Nrf2/HO-1 pathway to delay the transformation from AKI to CKD[J].ZHONGGUO YAOFANG,2026,37(11):1428-1433.
白梦琦,李俊虎,赵志波,等.虫草素通过Nrf2/HO-1通路抑制铁死亡延缓AKI向CKD转化的作用机制研究 [J].中国药房,2026,37(11):1428-1433. DOI: 10.6039/j.issn.1001-0408.2026.11.08.
BAI Mengqi,LI Junhu,ZHAO Zhibo,et al.Study on the mechanism of cordycepin inhibiting ferroptosis via the Nrf2/HO-1 pathway to delay the transformation from AKI to CKD[J].ZHONGGUO YAOFANG,2026,37(11):1428-1433. DOI: 10.6039/j.issn.1001-0408.2026.11.08.
目的
2
研究虫草素延缓急性肾损伤(AKI)向慢性肾脏病(CKD)(以下简称“AKI-CKD”)转化的作用机制。
方法
2
采用网络药理学和生物信息学分析并预测虫草素延缓AKI-CKD的信号通路及其与铁死亡途径的关系。采用细胞实验对预测结果进行验证:将人肾小管上皮细胞HK-2分为空白组、虫草素组、模型组、H
2
O
2
+虫草素组,除空白组和虫草素组外,其余各组加入150 μmol/L H
2
O
2
处理72 h以诱导细胞持续性氧化应激损伤;虫草素(40 μmol/L)干预72 h后,检测细胞中谷胱甘肽过氧化物酶4(GPX4)、长链脂酰辅酶A合成酶4(ACSL4)、核转录因子红系2相关因子2(Nrf2)、血红素加氧酶1(HO-1)蛋白和mRNA表达水平。另在H
2
O
2
+虫草素的基础上引入Nrf2抑制剂ML385以验证Nrf2/HO-1通路的作用。
结果
2
网络药理学及生物信息学分析结果显示,虫草素与AKI-CKD及铁死亡相关的交集基因有42个,其中38个被注释为铁死亡相关基因;HO-1与Nrf2可能是虫草素抑制铁死亡的重要靶点,虫草素与Nrf2、HO-1蛋白的结合能分别为-8.5、-6.7 kcal/mol。细胞实验结果显示,与模型组比较,H
2
O
2
+虫草素组细胞中GPX4、Nrf2、HO-1蛋白和mRNA表达水平均显著升高(
P
<0.05),ACSL4蛋白和mRNA表达水平均显著降低(
P
<0.05);加入Nrf2抑制剂ML385后,虫草素对上述蛋白和mRNA的作用被显著逆转(
P
<0.05)。
结论
2
虫草素可通过激活Nrf2/HO-1通路抑制铁死亡,减轻肾小管上皮细胞持续性氧化应激损伤,延缓AKI-CKD进展。
OBJECTIVE
2
To investigate the mechanism of cordycepin in delaying the transformation from acute kidney injury (AKI) to chronic kidney disease (CKD) (short for “AKI-CKD”).
METHODS
2
Network pharmacology and bioinformatics were used to analyze and predict the signaling pathways of cordycepin in delaying AKI-CKD progression and its relationship with the ferroptosis pathway. Cell experiments were performed to verify the predicted results. Human renal tubular epithelial HK-2 cells were divided into blank group, cordycepin group, model group, and H
2
O
2
+cordycepin group. Except for the blank group and cordycepin group, all other groups were treated with 150 μmol/L H
2
O
2
for 72 h to induce persistent oxidative stress injury in cells. After 72 h of cordycepin (40 μmol/L) intervention, the protein and mRNA expression levels of glutathione peroxidase 4 (GPX4), long-chain acyl-CoA synthetase 4 (ACSL4),nuclear factor-erythroid 2-related factor 2(Nrf2), and heme oxygenase-1 (HO-1) in cells were detected. Furthermore, the Nrf2 inhibitor ML385 was added on the basis of H
2
O
2
+cordycepin to verify the role of the Nrf2/HO-1 pathway.
RESULTS
2
Network pharmacology and bioinformatics analysis showed that there were 42 overlapping genes related to AKI-CKD and ferroptosis that interact with cordycepin ferroptosis, among which 38 were annotated as ferroptosis-related genes. HO-1 and Nrf2 might be important targets for cordycepin to inhibit ferroptosis. The binding energies of cordycepin with Nrf2 and HO-1 proteins were -8.5 and -6.7 kcal/mol, respectively. Cell experiments showed that compared with the model group, the protein and mRNA expression levels of GPX4, Nrf2 and HO-1 were significantly increased (
P
<0.05),while the protein and mRNA expression levels of ACSL4 were significantly decrease
d (
P
<0.05) in the H
2
O
2
+cordycepin group. After the addition of the Nrf2 inhibitor ML385, the effects of cordycepin on the above proteins and mRNA were significantly reversed (
P
<0.05).
CONCLUSIONS
2
Cordycepin can inhibit ferroptosis by activating the Nrf2/HO-1 pathway, reduce persistent oxidative stress injury of renal tubular epithelial cells, and delay the progression of AKI-CKD.
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