Cited by 92MicroRNA in disease regulationWnt/β-catenin signaling in development and cancerCancer-related molecular mechanisms research

MicroRNA-224 sustains Wnt/β-catenin signaling and promotes aggressive phenotype of colorectal cancer

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Li, Tingting, Lai, Qiuhua, Wang, Shuyang, Cai, Juanjuan, Xiao, Zhiyuan, Deng, Danling, He, Liuqing, Jiao, Hongli +4 more·2016·Journal of Experimental & Clinical Cancer Research

Abstract

Background: Growing evidence suggests that Wnt/β-catenin pathway plays an important role in CRC development, progression and metastasis. Aberrant miR-224 expression has been reported in CRC. However, the mechanism of miR-224 promotes both proliferation and metastatic ability largely remains unclear. Methods: Real-time PCR was used to quantify miR-224 expression. Luciferase reporter assays were conducted to confirm the activity of Wnt/β-catenin pathway and target gene associations, and immunofluorescence staining assay was performed to observe the nuclear translocation of β-catenin. Bioinformatics analysis combined with in vivo and vitro functional assays showed the potential target genes, GSK3β and SFRP2, of miR-224. Specimens from forty patients with CRC were analyzed for the expression of miR-224 and the relationship with GSK3β/SFRP2 by real-time PCR and western blot. Results: Bioinformatics and cell luciferase function studies verified the direct regulation of miR-224 on the 3’-UTR of the GSK3β and SFRP2 genes, which leads to the activation of Wnt/β-catenin signaling and the nuclear translocation of β-catenin. In addition, knockdown of miR-224 significantly recovered the expression of GSK3β and SFRP2 and attenuated Wnt/β-catenin-mediated cell metastasis and proliferation. The ectopic upregulation of miR-224 dramatically inhibited the expression of GSK3β/SFRP2 and enhanced CRC proliferation and invasion. Conclusion: Our research showed mechanistic links between miR-224 and Wnt/β-catenin in the pathogenesis of CRC through modulation of GSK3β and SFRP2.

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Authors
Li, T., Lai, Q., Wang, S., Cai, J., Xiao, Z., Deng, D., He, L., Jiao, H., Ye, Y., Liang, L., Ding, Y., & Liao, W.
Affiliations
Nanfang Hospital (CN)
Corresponding author
Liao, Wenting
Venue
Journal of Experimental & Clinical Cancer Research
Published
2016-01-29
Volume
35
Issue
1
Pages
21-21
ISSN
  • 0392-9078 (ISSN-L)
  • 1756-9966
OpenAlex
W2274179863
Cited by
92
References
50
Citations by year
2025: 4 · 2024: 4 · 2023: 6 · 2022: 16 · 2021: 11 · 2020: 11 · 2019: 8 · 2018: 12 · 2017: 13 · 2016: 7
FWCI
5.56
Type
journal article
Language
en
Open access
Locations
  • Journal of Experimental & Clinical Cancer Research (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Basic Research Program of China (2015CB554002, 2010CB529403)
  • National Natural Science Foundation of China (NSFC)-Guangdong Joint Fund (U1201226)
  • Major Projects of the National Natural Science Foundation of China (81090422)
  • National Natural Science Foundation of China (81172055, 81472313, 81472710)
  • National Science Foundation for Young Scientists of China (81402375)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Wnt/β-catenin signaling in development and cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
Keywords
miR-224, Wnt/β-catenin signaling, colorectal cancer, GSK3β, SFRP2, β-catenin nuclear translocation, metastasis, cell proliferation, microRNA target regulation, 3' untranslated region
MeSH terms
Glycogen Synthase Kinase 3 beta, Secreted Frizzled-Related Proteins, Animals, Cell Movement, Humans, Membrane Proteins, Neoplasm Metastasis, Neoplasm Transplantation, Colorectal Neoplasms, 3' Untranslated Regions, MicroRNAs, Glycogen Synthase Kinase 3, HCT116 Cells, Cell Line, Tumor, Cell Proliferation, Mice, Wnt Signaling Pathway

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