Coilin Phosphomutants Disrupt Cajal Body Formation, Reduce Cell Proliferation and Produce a Distinct Coilin Degradation Product
2011

Coilin Phosphomutants Disrupt Cajal Body Formation and Reduce Cell Proliferation

publication 10 minutes Evidence: moderate

Author Information

Author(s): Carrero Zunamys I., Velma Venkatramreddy, Douglas Heather E., Hebert Michael D.

Primary Institution: Department of Biochemistry, The University of Mississippi Medical Center, Jackson, Mississippi, United States of America

Hypothesis

How does coilin phosphorylation affect Cajal body formation and cell proliferation?

Conclusion

Coilin phosphorylation plays a crucial role in the formation and activity of Cajal bodies, impacting cell proliferation.

Supporting Evidence

  • Transient expression of coilin phosphomutants significantly reduces cell proliferation.
  • Stable cell lines expressing certain coilin mutants show altered Cajal body formation.
  • Coilin phosphorylation is linked to its ability to interact with other proteins involved in cell function.

Takeaway

This study shows that changes in a protein called coilin can affect how cells grow and how certain structures in the cell are formed.

Methodology

The study used transient and stable expression of coilin phosphomutants in HeLa cells to assess their effects on Cajal body formation and cell proliferation.

Limitations

The study primarily focuses on HeLa cells, which may not fully represent other cell types.

Statistical Information

P-Value

p<0.005

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0025743

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