TFIP11, CCNL1 and EWSR1 Protein-protein Interactions, and Their Nuclear Localization
2008

Interactions of TFIP11, CCNL1, and EWSR1 in RNA Splicing

publication Evidence: moderate

Author Information

Author(s): Tannukit Sissada, Wen Xin Wang, HongJun Paine

Primary Institution: University of Southern California, School of Dentistry, Center for Craniofacial Molecular Biology

Hypothesis

TFIP11, CCNL1, and EWSR1 interact and co-localize in the nucleus, suggesting a role in RNA splicing.

Conclusion

The study confirms that TFIP11, CCNL1, and EWSR1 co-localize in nuclear speckles and are involved in RNA processing.

Supporting Evidence

  • TFIP11, CCNL1, and EWSR1 are all localized in nuclear speckles.
  • The study confirmed interactions between TFIP11 and EWSR1 using coimmunoprecipitation.
  • CCNL1 and EWSR1 are known to be involved in RNA processing.

Takeaway

This study shows that three proteins, TFIP11, CCNL1, and EWSR1, work together in the cell to help process RNA.

Methodology

The study used fluorescently-tagged proteins and confocal microscopy to observe protein localization and interactions.

Limitations

The inability to demonstrate an interaction between TFIP11 and CCNL1 through coimmunoprecipitation may indicate limitations in the assay's sensitivity.

Digital Object Identifier (DOI)

10.3390/ijms9081504

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