ArticleCancer gene therapy2022
Stabilizing and upregulating Axin with tankyrase inhibitor reverses 5-fluorouracil chemoresistance and proliferation by targeting the WNT/caveolin-1 axis in colorectal cancer cells.
Article in Cancer gene therapy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- ISM2 as a prognostic biomarker and mediator of immune infiltration in colorectal cancer: evidence from bioinformatics and experimental analysis.Journal of gastrointestinal oncology · 2025Article
- The CK1ε/SIAH1 axis regulates AXIN1 stability in colorectal cancer cells.Molecular oncology · 2024Article
- Tankyrase inhibition interferes with junction remodeling, induces leakiness, and disturbs YAP1/TAZ signaling in the endothelium.Naunyn-Schmiedeberg's archives of pharmacology · 2024Article
- Luciferase Expressing Preclinical Model Systems Representing the Different Molecular Subtypes of Colorectal Cancer.Cancers · 2023Article
- 7Marine drugs · 2023Article
- A prognostic signature based on seven T-cell-related cell clustering genes in bladder urothelial carcinoma.Open medicine (Warsaw, Poland) · 2023Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
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Abstract
Chemoresistance is a main obstacle for colorectal cancer treatment. In this study, we evaluated the effects and mechanisms of the WNT/β-catenin signaling pathway on the chemoresistance of SW480 and SW620 colorectal cancer cells. The activity of β-catenin was activated/inhibited by the small molecule compound GSK-3 inhibitor 6-bromo-indirubin-3'-oxime and the tankyrase inhibitor XAV939. The downstream target genes of the WNT/β-catenin signaling pathway were screened using a cDNA microarray and bioinformatics analysis. Apoptosis induced by 5-Fu, cell cycle distribution and expression levels of WNT/β-catenin/TCF12/caveolin-1 and multidrug resistance proteins were examed by flow cytometry and western blot after β-catenin activation/inhibition and caveolin-1 overexpression/interference. The effect and mechanism of XAV939 on proliferation and apoptosis induced by 5-Fu in xenograft tumors of nude mice were evaluated by immunohistochemistry and TUNEL staining. 6-Bromo-indirubin-3'-oxime treatment increased β-catenin expression by regulating GSK-3β phosphorylation, accompanied by upregulation of TCF12, caveolin-1, P-gp, and MRP2 and downregulation of apoptosis induced by 5-Fu. Conversely, XAV939 treatment decreased β-catenin expression by upregulating Axin, accompanied by downregulation of TCF12, Caveolin-1, P-gp, and MRP2 and upregulation of apoptosis induced by 5-Fu. The caveolin-1 gene was identified as an important downstream gene of the WNT/β-catenin signaling pathway. Caveolin-1 overexpression upregulated β-catenin expression, increased P-gp and MRP2 expression and decreased apoptosis induced by 5-Fu; conversely, caveolin-1 interference caused the opposite effects. In addition, in vivo experiments showed that XAV939 treatment reduced β-catenin expression, increased apoptosis induced by 5-Fu and repressed xenograft tumor growth. Our findings suggested that inhibition of WNT/β-catenin/TCF12/caveolin-1 provides a new promising therapeutic strategy for colorectal cancer treatment.
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