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Related Experiment Videos

ELL binding regulates U19/Eaf2 intracellular localization, stability, and transactivation.

Wuhan Xiao1, Feng Jiang, Zhou Wang

  • 1Department of Urology, Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA.

The Prostate
|August 23, 2005
PubMed
Summary

The Eleven-nineteen Lysine-rich Leukemia (ELL) protein stabilizes and enhances the function of U19/Eaf2, a transcription factor crucial for prostate cancer cell apoptosis. This interaction is vital for U19/Eaf2

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Area of Science:

  • Molecular Biology
  • Cancer Research
  • Gene Regulation

Background:

  • U19/Eaf2, an androgen-response gene, is downregulated in advanced prostate cancer and induces apoptosis.
  • Eleven-nineteen Lysine-rich Leukemia (ELL) is an RNA polymerase II elongation factor involved in acute myeloid leukemia.
  • U19/Eaf2 interacts with ELL, forming nuclear speckles, suggesting a role in cancer progression.

Purpose of the Study:

  • To investigate the functional significance of the U19/Eaf2 and ELL interaction.
  • To characterize the consequences of ELL binding to U19/Eaf2.

Main Methods:

  • Co-transfection assays
  • Co-immunoprecipitation
  • Protein stability assays
  • Transactivation assays

Related Experiment Videos

Main Results:

  • ELL binding is essential for the nuclear speckle formation of U19/Eaf2.
  • ELL binding stabilizes U19/Eaf2 protein.
  • ELL binding enhances the transactivation activity of U19/Eaf2.

Conclusions:

  • ELL is crucial for U19/Eaf2 function.
  • ELL is required for U19/Eaf2 nuclear localization and transactivation.
  • ELL's role in U19/Eaf2 function is significant for its role as a transcription factor.