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- Title
The Four Homeostasis Knights: In Balance upon Post-Translational Modifications.
- Authors
Pieroni, Stefania; Castelli, Marilena; Piobbico, Danilo; Ferracchiato, Simona; Scopetti, Damiano; Di-Iacovo, Nicola; Della-Fazia, Maria Agnese; Servillo, Giuseppe
- Abstract
A cancer outcome is a multifactorial event that comes from both exogenous injuries and an endogenous predisposing background. The healthy state is guaranteed by the fine-tuning of genes controlling cell proliferation, differentiation, and development, whose alteration induces cellular behavioral changes finally leading to cancer. The function of proteins in cells and tissues is controlled at both the transcriptional and translational level, and the mechanism allowing them to carry out their functions is not only a matter of level. A major challenge to the cell is to guarantee that proteins are made, folded, assembled and delivered to function properly, like and even more than other proteins when referring to oncogenes and onco-suppressors products. Over genetic, epigenetic, transcriptional, and translational control, protein synthesis depends on additional steps of regulation. Post-translational modifications are reversible and dynamic processes that allow the cell to rapidly modulate protein amounts and function. Among them, ubiquitination and ubiquitin-like modifications modulate the stability and control the activity of most of the proteins that manage cell cycle, immune responses, apoptosis, and senescence. The crosstalk between ubiquitination and ubiquitin-like modifications and post-translational modifications is a keystone to quickly update the activation state of many proteins responsible for the orchestration of cell metabolism. In this light, the correct activity of post-translational machinery is essential to prevent the development of cancer. Here we summarize the main post-translational modifications engaged in controlling the activity of the principal oncogenes and tumor suppressors genes involved in the development of most human cancers.
- Subjects
TUMOR suppressor genes; CELL metabolism; POST-translational modification; PROTEIN synthesis; UBIQUITINATION; HOMEOSTASIS
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 22, p14480
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms232214480