The miR-17-5p microRNA is a key regulator of the G1/S phase cell cycle transition
2008

miR-17-5p MicroRNA and Cell Cycle Regulation

publication 10 minutes Evidence: moderate

Author Information

Author(s): Cloonan Nicole, Brown Mellissa K, Steptoe Anita L, Wani Shivangi, Chan Wei Ling, Forrest Alistair RR, Kolle Gabriel, Gabrielli Brian, Grimmond Sean M

Primary Institution: Institute for Molecular Bioscience, The University of Queensland

Hypothesis

miR-17-5p regulates the G1/S phase cell cycle transition and influences cell proliferation.

Conclusion

miR-17-5p can act as both an oncogene and a tumor suppressor depending on the cellular context.

Supporting Evidence

  • miR-17-5p was shown to drive a proliferative signal in HEK293T cells.
  • The study identified over 20 genes targeted by miR-17-5p involved in the G1/S phase transition.
  • Ectopic expression of miR-17-5p altered the cell cycle profile of HEK293T cells.

Takeaway

This study shows that a tiny molecule called miR-17-5p helps cells grow and divide by controlling a specific part of the cell cycle.

Methodology

The study used quantitative real-time PCR, flow cytometry, and luciferase assays to analyze the effects of miR-17-5p on cell proliferation and gene expression.

Limitations

The study primarily focused on HEK293T cells, which may limit the generalizability of the findings to other cell types.

Statistical Information

P-Value

p ≤ 0.05

Statistical Significance

p ≤ 0.05

Digital Object Identifier (DOI)

10.1186/gb-2008-9-8-r127

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