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技术文章
文献引用产品：小鼠胆管癌细胞SB-1
点击次数：20 发布时间：2026/11/11 8:59:53
文章标题：Salinomycin inhibits orthopoxvirus infection in vitro and in vivo by blocking endosomal acidification
作者列表：Wang Xiang, Luo Kai, Bai He, Zhang Xudong, Qu Jialin, Wang Xiaoqing, Sun Xu, Zhao Yuting, Wang Bin, Zhang Guixin
影响因子：3.9
期刊：Scientific Reports
发表时间：2026-4-24
DOI:10.1038/s41598-026-49458-3
文献主题：Abstract
Intrahepatic cholangiocarcinoma (ICC) is a highly aggressive liver malignancy with rising global incidence and poor prognosis. Despite recent advances in treatment strategies, effective therapeutic options for ICC remain limited. Solamargine (SM), a natural steroidal alkaloid, has demonstrated anticancer activity, yet its mechanisms in ICC are not fully understood. This study shows that SM inhibits ICC progression by inducing both apoptosis and ferroptosis in vitro and in vivo. SM significantly suppressed proliferation, migration, and invasion of ICC cells (HUCCT-1 and HCCC-9810), with minimal cytotoxicity toward normal biliary epithelial cells (HIBEC). Mechanistically, SM induced mitochondrial dysfunction, ROS accumulation, and lipid peroxidation, leading to apoptosis and ferroptosis. Tranｓcriptome sequencing and gene set enrichment analysis (GSEA) revealed that SM treatment activated apoptosis- and ferroptosis-related pathways, including MAPK signaling. Western blot analysis and pharmacological inhibition assays confirmed that p38 MAPK activation was essential for SM-induced cell death, with ROS acting as an upstream activator. In vivo, SM significantly inhibited tumor growth in both orthotopic and subcutaneous ICC mouse models and showed better tolerability than gemcitabine. Tumor tissue analysis further confirmed increased markers of apoptosis and ferroptosis, along with p38 MAPK activation. These findings suggest that SM exerts dual antitumor effects in ICC, which are associated with the induction of apoptosis and ferroptosis and may involve the ROS/p38 MAPK signaling axis, highlighting its potential as a therapeutic candidate for ICC.
原创作者：上海雅吉生物科技有限公司
