Journal
BIOENGINEERED
Volume 12, Issue 1, Pages 8407-8418Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/21655979.2021.1977556
Keywords
Colorectal cancer; miR-130a-3p; tumor suppression; WNT1; Wnt signaling pathway
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Funding
- Technological Innovation Major Project of Guangan City [2019SYF10]
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miR-130a-3p has anti-tumor activity against colorectal cancer by targeting the WNT1 pathway, making it a potential target for CRC treatment.
The microRNA miR-130a-3p (miR-130a-3p) has anti-tumor activity against numerous cancer types. Further, miR-130a-3p may target Wnt signaling, which is a critical pathway regulating tumorigenesis. Functions of miR-130a-3p in colorectal cancer (CRC) and contributions of Wnt1 pathway modulation, however, have not been examined, hence the exploration on these two aspects. In this study, in comparison with normal controls, both CRC tissue and multiple CRC cell lines showed downregulated miR-130a-3p. MiR-130a-3p overexpression contributed to a decrease in CRC cell proliferation. Additionally, its overexpression also caused reduced expression of WNT Family Member 1 (WNT1) and downstream WNT pathway factors c-myc and cyclin D1. Dual-luciferase assay revealed WNT1 as a direct target of miR-130a-3p, and further the inhibitory effect of miR-130a-3p on c-myc and cyclin D1 was proved to be reversed by overexpressed WNT1. Collectively, miR-130a-3p inhibits CRC growth by directly targeting WNT1, and miR-130a-3p and WNT1 pathway-associated factors are defined as potential targets for CRC treatment.
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