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MiR-182-5p inhibited proliferation and metastasis of colorectal cancer by targeting MTDH
1Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China. binxiong1961@163.com.
Objective:
To investigate the role and molecular mechanism of miR-182-5p in the development of colorectal cancer (CRC), thereby providing a theoretical basis for new CRC therapeutic targets.
Patients And Methods:
The expression of miR-182-5p in CRC clinical cases and biological cell lines was detected. On-line target gene prediction and Luciferase reporter gene assay were performed to screen and verify the target of miR-182-5p, respectively. The role of miR-182-5p in CRC cell function was further analyzed.
Results:
MiR-182-5p expression was significantly decreased in both CRC tissues and cell lines. Metadherin (MTDH) was screened and verified as a functional target of miR-182-5p. The cell proliferation, invasion and migration ability of CRC cells were significantly inhibited after the up-regulation of miR-182-5p. However, MTDH limited the anti-cancer effects of miR-182-5p in CRC cells.
Conclusions:
Our research demonstrated the inhibitory function of miR-182-5p in CRC. Therefore, the miR-182-5p/MTDH axis was expected to be one of the targets of CRC targeted therapy.
Insights
MicroRNA-182-5p inhibits colorectal cancer (CRC) progression by targeting Metadherin (MTDH). Restoring miR-182-5p levels may offer a novel therapeutic strategy for CRC patients.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Colorectal cancer (CRC) remains a significant global health challenge.
- Understanding the molecular mechanisms underlying CRC development is crucial for identifying new therapeutic targets.
Purpose of the Study:
- To elucidate the role and molecular mechanism of miR-182-5p in colorectal cancer.
- To provide a theoretical basis for novel CRC therapeutic strategies.
Main Methods:
- Detected miR-182-5p expression in CRC tissues and cell lines.
- Utilized bioinformatics and luciferase reporter assays to identify and validate miR-182-5p targets.
- Assessed the impact of miR-182-5p on CRC cell proliferation, invasion, and migration.
Main Results:
- miR-182-5p expression was significantly downregulated in CRC.
- Metadherin (MTDH) was identified and validated as a direct target of miR-182-5p.
- Upregulation of miR-182-5p inhibited CRC cell proliferation, invasion, and migration, while MTDH attenuated these effects.
Conclusions:
- miR-182-5p exhibits an inhibitory role in colorectal cancer progression.
- The miR-182-5p/MTDH axis represents a potential therapeutic target for CRC treatment.
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