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Mir-483 inhibits colon cancer cell proliferation and migration by targeting TRAF1
Zi-Yu Niu1, Wen-Li Li1, Da-Lei Jiang1
1Department of Gastroenterology I, Qingdao Municipal Hospital, Qingdao, PR China.
Abstract:
MicroRNAs are important regulators during human growth and development. Emerging evidence indicates that microRNAs play important roles in colorectal cancer. The aim of this study is to reveal the biological function and direct target gene of miR-483 in colorectal cancer. The biological function of miR-483 on the proliferation and migration of colon cancer cells was then examined by Edu assay and transwell assay, respectively. Our findings revealed that miR-483 mimic could significantly inhibit cell proliferation and migration. The target gene of miR-483 was predicted by target scan software and identified by a dual fluorescence reporter system which showed that TRAF1 was a direct target gene of miR-483 in SW480 cell line. These data suggest that miR-483 is a colorectal cancer suppressor which could inhibit cell proliferation and migration, possibly via targeting TRAF1. The miR-483 could be a potential treatment target for colorectal cancer.
Insights
MicroRNA-483 (miR-483) suppresses colon cancer growth and migration by targeting TRAF1. This finding suggests miR-483 as a potential therapeutic target for colorectal cancer treatment.
Area of Science:
- Molecular Biology
- Oncology
- Genetics
Background:
- MicroRNAs regulate human growth and development.
- MicroRNAs are implicated in colorectal cancer pathogenesis.
Purpose of the Study:
- To elucidate the biological function of miR-483 in colorectal cancer.
- To identify the direct target gene of miR-483.
Main Methods:
- Cell proliferation was assessed using Edu assays.
- Cell migration was evaluated by transwell assays.
- Target gene prediction and validation involved target scan software and a dual fluorescence reporter system.
Main Results:
- miR-483 mimic significantly inhibited colon cancer cell proliferation and migration.
- TRAF1 was identified as a direct target gene of miR-483 in SW480 cells.
Conclusions:
- miR-483 acts as a colorectal cancer suppressor.
- miR-483 inhibits cell proliferation and migration, potentially by targeting TRAF1.
- miR-483 represents a potential therapeutic target for colorectal cancer.
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