Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth
IntroductionIn recent years, natural compounds have attracted wide attention for the treatment of liver cancer due to their therapeutic potential and reduced toxicity. Among these, Schisandrin B (Sch B), a primary bioactive component derived from Schisandra chinensis, has shown notable antitumor act...
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Frontiers Media S.A.
2025-03-01
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| Series: | Frontiers in Pharmacology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fphar.2025.1547685/full |
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| author | Baoyi Jiang Jie Yang Qingtian Huang Qingtian Huang Wei Li Qian Peng Huoye Gan Tieli Peng Leyi Yao Ling Qi Ling Qi |
| author_facet | Baoyi Jiang Jie Yang Qingtian Huang Qingtian Huang Wei Li Qian Peng Huoye Gan Tieli Peng Leyi Yao Ling Qi Ling Qi |
| author_sort | Baoyi Jiang |
| collection | DOAJ |
| description | IntroductionIn recent years, natural compounds have attracted wide attention for the treatment of liver cancer due to their therapeutic potential and reduced toxicity. Among these, Schisandrin B (Sch B), a primary bioactive component derived from Schisandra chinensis, has shown notable antitumor activity; however, its specific mechanism remains unclear.MethodsThe effect of Sch B on the growth of hepatocellular carcinoma(HCC) cells were assessed using CCK-8 assay, colony formation assay and EdU assay, and apoptosis was detected by flow cytometry. The co-culture system of macrophages and HCC cells was established to detect the effect of Sch B on the cell viability and cell cycle changes of HCC cells in the co-culture system. Then, the migration of HCC cells in the co-culture system was studied using a subtoxic concentration of Sch B. Exosomes of the co-culture system with or without Sch B effect were collected for identification and protein spectrum analysis. The differential protein was analyzed by KEGG enrichment analysis and protein interaction network, which was verified by western blotting. Meanwhile, the expression changes of macrophage polarization markers were detected. Finally, the inhibitory effect of Sch B on HCC and the changes of FN1 were verified by in vivo experiments.ResultsSch B inhibited HCC cell growth; moreover, it significantly suppressed HCC cell proliferation in the co-culture system and induced S-phase cell cycle arrest by downregulating CDK4, CDK2, and cyclin A2 while upregulating p27 Kip1. Additionally, Sch B inhibited the migration of HCC cells in the co-culture system.The differentially expressed protein fibronectin 1(FN1) in liver cancer patients was higher than that in healthy people. Moreover, after SchB treatment, the expression of FN1 protein in exosomes decreased and the macrophages exhibited M1 polarization. In vivo experiments also verified that Sch B inhibited HCC growth and downregulated the expression of FN1 protein in tumor tissues.ConclusionSch B may inhibit the development of HCC by inhibiting the expression of exosomal FN1during interactions between macrophages and HCC cells. |
| format | Article |
| id | doaj-art-d3f7bea21af84d9696e7bc5c54578ebc |
| institution | DOAJ |
| issn | 1663-9812 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Pharmacology |
| spelling | doaj-art-d3f7bea21af84d9696e7bc5c54578ebc2025-08-20T02:48:46ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122025-03-011610.3389/fphar.2025.15476851547685Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growthBaoyi Jiang0Jie Yang1Qingtian Huang2Qingtian Huang3Wei Li4Qian Peng5Huoye Gan6Tieli Peng7Leyi Yao8Ling Qi9Ling Qi10Division of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaDivision of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaDivision of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaDepartment of Pathology, The Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People’s Hospital, Qingyuan, Guang Dong, ChinaBiological Sample Resource Centre, The Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People’s Hospital, Qingyuan, Guang Dong, ChinaDivision of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaDivision of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaDivision of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaZhanjiang Institute of Clinical Medicine, Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, ChinaDivision of Gastroenterology, Institute of Digestive Disease, The Affiliated Qingyuan Hospital (Qingyuan People’s Hospital), Guangzhou Medical University, Qingyuan, Guang Dong, ChinaBiological Sample Resource Centre, The Affiliated Qingyuan Hospital, Guangzhou Medical University, Qingyuan People’s Hospital, Qingyuan, Guang Dong, ChinaIntroductionIn recent years, natural compounds have attracted wide attention for the treatment of liver cancer due to their therapeutic potential and reduced toxicity. Among these, Schisandrin B (Sch B), a primary bioactive component derived from Schisandra chinensis, has shown notable antitumor activity; however, its specific mechanism remains unclear.MethodsThe effect of Sch B on the growth of hepatocellular carcinoma(HCC) cells were assessed using CCK-8 assay, colony formation assay and EdU assay, and apoptosis was detected by flow cytometry. The co-culture system of macrophages and HCC cells was established to detect the effect of Sch B on the cell viability and cell cycle changes of HCC cells in the co-culture system. Then, the migration of HCC cells in the co-culture system was studied using a subtoxic concentration of Sch B. Exosomes of the co-culture system with or without Sch B effect were collected for identification and protein spectrum analysis. The differential protein was analyzed by KEGG enrichment analysis and protein interaction network, which was verified by western blotting. Meanwhile, the expression changes of macrophage polarization markers were detected. Finally, the inhibitory effect of Sch B on HCC and the changes of FN1 were verified by in vivo experiments.ResultsSch B inhibited HCC cell growth; moreover, it significantly suppressed HCC cell proliferation in the co-culture system and induced S-phase cell cycle arrest by downregulating CDK4, CDK2, and cyclin A2 while upregulating p27 Kip1. Additionally, Sch B inhibited the migration of HCC cells in the co-culture system.The differentially expressed protein fibronectin 1(FN1) in liver cancer patients was higher than that in healthy people. Moreover, after SchB treatment, the expression of FN1 protein in exosomes decreased and the macrophages exhibited M1 polarization. In vivo experiments also verified that Sch B inhibited HCC growth and downregulated the expression of FN1 protein in tumor tissues.ConclusionSch B may inhibit the development of HCC by inhibiting the expression of exosomal FN1during interactions between macrophages and HCC cells.https://www.frontiersin.org/articles/10.3389/fphar.2025.1547685/fullSchisandrin Bhepatocellular carcinomaexosomesfibronectin 1tumor microenvironment |
| spellingShingle | Baoyi Jiang Jie Yang Qingtian Huang Qingtian Huang Wei Li Qian Peng Huoye Gan Tieli Peng Leyi Yao Ling Qi Ling Qi Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth Frontiers in Pharmacology Schisandrin B hepatocellular carcinoma exosomes fibronectin 1 tumor microenvironment |
| title | Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth |
| title_full | Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth |
| title_fullStr | Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth |
| title_full_unstemmed | Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth |
| title_short | Schisandrin B downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth |
| title_sort | schisandrin b downregulates exosomal fibronectin 1 expression to inhibit hepatocellular carcinoma growth |
| topic | Schisandrin B hepatocellular carcinoma exosomes fibronectin 1 tumor microenvironment |
| url | https://www.frontiersin.org/articles/10.3389/fphar.2025.1547685/full |
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