How p63 Variants Interact with DNA and iASPP
Author Information
Author(s): Rebecca Lotz, Christian Osterburg, Apirat Chaikuad, Sabrina Weber, Masato Akutsu, Anne Christin Machel, Ulrike Beyer, Jakob Gebel, Frank Löhr, Stefan Knapp, Matthias Dobbelstein, Xin Lu, Volker Dötsch
Primary Institution: Goethe University
Hypothesis
The alternative splicing in the linker region of p63 affects its binding to DNA and iASPP.
Conclusion
The ΔExon8 variant of p63 shows reduced binding affinity to DNA and iASPP compared to the full-length variant.
Supporting Evidence
- The ΔExon8 variant has a significantly reduced binding affinity to DNA.
- iASPP preferentially binds to the linker region of p63.
- Different tissues express varying ratios of full-length p63 and the ΔExon8 variant.
Takeaway
This study shows that a specific part of the p63 protein can change how it interacts with DNA and another protein called iASPP, which is important for cell functions.
Methodology
The study used pulldown assays and ELISA to investigate the binding interactions of p63 variants with DNA and iASPP.
Limitations
The study primarily focuses on in vitro interactions and may not fully represent in vivo conditions.
Statistical Information
P-Value
p<0.05
Confidence Interval
95%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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