Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway

BackgroundFruquintinib, a selective vascular endothelial growth factor receptor (VEGFR) inhibitor, has shown considerable efficacy in colorectal cancer (CRC) treatment. Despite its promising therapeutic effects, the precise molecular mechanisms underlying its therapeutic effects remain incompletely...

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Main Authors: Qinqin Song, Hongjiao Wu, Ye Jin, Junzhi Hou, Jiawei Liu, Xuemei Zhang, Wanning Hu, Guogui Sun, Zhi Zhang
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-03-01
Series:Frontiers in Oncology
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Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2025.1503133/full
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author Qinqin Song
Qinqin Song
Hongjiao Wu
Ye Jin
Junzhi Hou
Jiawei Liu
Xuemei Zhang
Wanning Hu
Wanning Hu
Guogui Sun
Zhi Zhang
author_facet Qinqin Song
Qinqin Song
Hongjiao Wu
Ye Jin
Junzhi Hou
Jiawei Liu
Xuemei Zhang
Wanning Hu
Wanning Hu
Guogui Sun
Zhi Zhang
author_sort Qinqin Song
collection DOAJ
description BackgroundFruquintinib, a selective vascular endothelial growth factor receptor (VEGFR) inhibitor, has shown considerable efficacy in colorectal cancer (CRC) treatment. Despite its promising therapeutic effects, the precise molecular mechanisms underlying its therapeutic effects remain incompletely understood. In this study, we explored the functional roles and molecular mechanisms of fruquintinib in CRC therapy.Material and methodsHuman CRC cells (HCT-116 and LOVO) were cultured and treated with fruquintinib. Cell counting kit-8 assay kit (CCK-8) and colony formation assays were performed to investigate the effects of fruquintinib on cell proliferation. Wound healing and transwell assays were conducted to explore the role of fruquintinib on migration and invasion. RNA sequencing and bioinformatics analysis was used to investigate the potential mechanism of fruquintinib in the development of CRC. Western blot was used to measure the protein level.ResultsFruquintinib significantly inhibited the proliferation, migration, and invasion of colorectal cancer cells. Bioinformatics analysis indicated that fruquintinib modulated the epithelial-mesenchymal transition (EMT) pathway, and experimental validation confirmed its regulatory effects on core EMT-associated protein biomarkers. Notably, fruquintinib treatment resulted in the upregulation of E-cadherin and the downregulation of N-cadherin, vimentin, and MMP9. Western blot analysis revealed that fruquintinib dose-dependently suppressed SMAD2/3 expression. Notably, treatment with the TGF-β receptor agonist KRFK TFA attenuated fruquintinib’s effect, reversing the upregulation of E-cadherin as well as the downregulatin of N-cadherin and SMAD2/3. Additionally, KRFK TFA partially restored CRC cell migration and invasion in transwell assays, counteracting fruquintinib’s inhibitory impact.ConclusionThese findings indicate that Fruquintinib effectively hampers the migration and invasion of CRC cells by disrupting the EMT process via the TGF-β/Smad signaling pathway. This study sheds light on the mechanisms by which fruquintinib inhibits CRC progression and underscores its potential for further clinical investigation.
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series Frontiers in Oncology
spelling doaj-art-d4d980f93fab4b198cd5e079d00f71b52025-08-20T01:58:00ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2025-03-011510.3389/fonc.2025.15031331503133Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathwayQinqin Song0Qinqin Song1Hongjiao Wu2Ye Jin3Junzhi Hou4Jiawei Liu5Xuemei Zhang6Wanning Hu7Wanning Hu8Guogui Sun9Zhi Zhang10Department of Oncology, Hebei Medical University, Shijiazhuang, ChinaAffliated Tangshan Gongren Hospital, Hebei Medical University, Tangshan, ChinaSchool of Public Health, North China University of Science and Technology, Tangshan, ChinaCollege of Clinical Medicine, North China University of Science and Technology, Tangshan, ChinaDepartment of Oncology, Affiliated Tangshan Gongren Hospital, North China University of Science and Technology, Tangshan, ChinaDepartment of Immunology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, ChinaCollege of Life Science, North China University of Science and Technology, Tangshan, ChinaDepartment of Oncology, Hebei Medical University, Shijiazhuang, ChinaAffliated Tangshan Gongren Hospital, Hebei Medical University, Tangshan, ChinaDepartment of Hebei Key Laboratory of Medical-Industrial Intergration Precision Medicine, North China University of Science and Technology Affiliated Hospital, Tangshan, ChinaDepartment of Oncology, Affiliated Tangshan Gongren Hospital, North China University of Science and Technology, Tangshan, ChinaBackgroundFruquintinib, a selective vascular endothelial growth factor receptor (VEGFR) inhibitor, has shown considerable efficacy in colorectal cancer (CRC) treatment. Despite its promising therapeutic effects, the precise molecular mechanisms underlying its therapeutic effects remain incompletely understood. In this study, we explored the functional roles and molecular mechanisms of fruquintinib in CRC therapy.Material and methodsHuman CRC cells (HCT-116 and LOVO) were cultured and treated with fruquintinib. Cell counting kit-8 assay kit (CCK-8) and colony formation assays were performed to investigate the effects of fruquintinib on cell proliferation. Wound healing and transwell assays were conducted to explore the role of fruquintinib on migration and invasion. RNA sequencing and bioinformatics analysis was used to investigate the potential mechanism of fruquintinib in the development of CRC. Western blot was used to measure the protein level.ResultsFruquintinib significantly inhibited the proliferation, migration, and invasion of colorectal cancer cells. Bioinformatics analysis indicated that fruquintinib modulated the epithelial-mesenchymal transition (EMT) pathway, and experimental validation confirmed its regulatory effects on core EMT-associated protein biomarkers. Notably, fruquintinib treatment resulted in the upregulation of E-cadherin and the downregulation of N-cadherin, vimentin, and MMP9. Western blot analysis revealed that fruquintinib dose-dependently suppressed SMAD2/3 expression. Notably, treatment with the TGF-β receptor agonist KRFK TFA attenuated fruquintinib’s effect, reversing the upregulation of E-cadherin as well as the downregulatin of N-cadherin and SMAD2/3. Additionally, KRFK TFA partially restored CRC cell migration and invasion in transwell assays, counteracting fruquintinib’s inhibitory impact.ConclusionThese findings indicate that Fruquintinib effectively hampers the migration and invasion of CRC cells by disrupting the EMT process via the TGF-β/Smad signaling pathway. This study sheds light on the mechanisms by which fruquintinib inhibits CRC progression and underscores its potential for further clinical investigation.https://www.frontiersin.org/articles/10.3389/fonc.2025.1503133/fullfruquintinibcolorectal cancerepithelial-mesenchymal transition (EMT)TGF-β/Smad signaling pathwayvascular endothelial growth factor Receptor (VEGFR)
spellingShingle Qinqin Song
Qinqin Song
Hongjiao Wu
Ye Jin
Junzhi Hou
Jiawei Liu
Xuemei Zhang
Wanning Hu
Wanning Hu
Guogui Sun
Zhi Zhang
Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway
Frontiers in Oncology
fruquintinib
colorectal cancer
epithelial-mesenchymal transition (EMT)
TGF-β/Smad signaling pathway
vascular endothelial growth factor Receptor (VEGFR)
title Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway
title_full Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway
title_fullStr Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway
title_full_unstemmed Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway
title_short Fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial-mesenchymal transition via TGF-β/Smad signaling pathway
title_sort fruquintinib inhibits the migration and invasion of colorectal cancer cells by modulating epithelial mesenchymal transition via tgf β smad signaling pathway
topic fruquintinib
colorectal cancer
epithelial-mesenchymal transition (EMT)
TGF-β/Smad signaling pathway
vascular endothelial growth factor Receptor (VEGFR)
url https://www.frontiersin.org/articles/10.3389/fonc.2025.1503133/full
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