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Updated: Mar 1, 2026

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
Published on: March 30, 2019
MicroRNA-142-5p promotes cell growth and migration in renal cell carcinoma by targeting BTG3
Lingqi Liu1, Shuchao Liu1, Qixin Duan1
1Department of Urology, Renmin Hospital of Wuhan UniversityWuhan 430060, China.
Purpose:
Some microRNA (miRNA) levels have been found to be dysregulated in cancer patients, suggesting the potential usefulness of miRNAs in cancer therapies. The purpose of this study was to investigate the expression of miR-142-5p in human renal cell carcinoma (RCC) and its potential role in tumor growth and metastasis.
Methods:
The expression level of miR-142-5p in human RCC tissue and cell lines was determined by quantitative reverse transcription polymerase chain reaction analysis. MTT, colony formation, Transwell, and cell cycle assays were performed to explore the potential functions of miR-142-5p in human RCC cells. The potential target gene of miR-142-5p was identified and confirmed via luciferase reporter assays.
Results:
miR-142-5p expression was elevated in RCC tissues and cell lines. Overexpression of miR-142-5p significantly promoted cell proliferation and colony formation and could prevent G1 phase arrest among RCC 786-O cells. Meanwhile, the migration potential of 786-O cells was greater than that of control cells. BTG3 was identified as a direct target of miR-142-5p, and re-expression of BTG3 reversed the miR-142-5p-induced cell proliferation.
Conclusion:
miR-142-5p promoted the proliferation and migration of RCC cells by targeting BTG3. With this potential onco-miRNA role in the progression of RCC, miR-142-5p may be a therapeutic target for the treatment of RCC.
Insights
MicroRNA-142-5p (miR-142-5p) is elevated in renal cell carcinoma (RCC), promoting tumor cell proliferation and migration. Targeting miR-142-5p may offer a new therapeutic strategy for RCC treatment.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- MicroRNAs (miRNAs) are implicated in various cancers, with dysregulated levels observed in patients.
- miRNAs show potential as therapeutic agents in cancer treatment.
Purpose of the Study:
- To investigate the expression of miR-142-5p in human renal cell carcinoma (RCC).
- To explore the role of miR-142-5p in RCC tumor growth and metastasis.
Main Methods:
- Quantitative reverse transcription polymerase chain reaction (qRT-PCR) for miR-142-5p expression analysis.
- Cellular assays (MTT, colony formation, Transwell, cell cycle) to assess miR-142-5p function.
- Luciferase reporter assays to identify and confirm miR-142-5p targets.
Main Results:
- miR-142-5p expression was significantly upregulated in RCC tissues and cell lines.
- Overexpression of miR-142-5p enhanced RCC cell proliferation, colony formation, and migration.
- miR-142-5p prevented G1 phase arrest in RCC cells.
- BTG3 was identified as a direct target of miR-142-5p, and its re-expression counteracted miR-142-5p-induced proliferation.
Conclusions:
- miR-142-5p promotes RCC cell proliferation and migration by targeting BTG3.
- miR-142-5p acts as an onco-miRNA in RCC progression.
- miR-142-5p represents a potential therapeutic target for RCC treatment.
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