Jun Dimerization Protein 2 (JDP2) Increases p53 Transactivation by Decreasing MDM2
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Reagents and Chemicals
2.2. DNA Constructs
2.3. Cell Culture
2.4. Transient Transfection
2.5. p53 (14X)RE Luciferase Reporter Assay
2.6. Western Blot Analysis
2.7. Statistical Analysis
3. Results
3.1. JDP2 and ATF3 Increase p53 Transactivation
3.2. p53 Binds the C-Terminal Domain of JDP2
3.3. JDP2 and ATF3 Additively Enhance p53 Transactivation and the C-Terminal Domain of JDP2 Is Required for Enhancement of p53 Transactivation
3.4. JDP2 Slightly Increases p53 Stability in H1299 Cells
3.5. JDP2 Decreases MDM2 Levels
3.6. While MDM2 Decreases p53 Transactivation, JDP2 Dose-Dependently Abolishes MDM2-Mediated p53 Repression
3.7. JDP2 Increases p21 Promoter Activity and p21 Protein Level in the Presence of p53
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Price, K.; Yang, W.H.; Cardoso, L.; Wang, C.-M.; Yang, R.H.; Yang, W.-H. Jun Dimerization Protein 2 (JDP2) Increases p53 Transactivation by Decreasing MDM2. Cancers 2024, 16, 1000. https://doi.org/10.3390/cancers16051000
Price K, Yang WH, Cardoso L, Wang C-M, Yang RH, Yang W-H. Jun Dimerization Protein 2 (JDP2) Increases p53 Transactivation by Decreasing MDM2. Cancers. 2024; 16(5):1000. https://doi.org/10.3390/cancers16051000
Chicago/Turabian StylePrice, Kasey, William H. Yang, Leticia Cardoso, Chiung-Min Wang, Richard H. Yang, and Wei-Hsiung Yang. 2024. "Jun Dimerization Protein 2 (JDP2) Increases p53 Transactivation by Decreasing MDM2" Cancers 16, no. 5: 1000. https://doi.org/10.3390/cancers16051000