Theodor Boveri Institute Biocenter

Schönau am Königssee, Germany

Theodor Boveri Institute Biocenter

Schönau am Königssee, Germany
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Floter J.,Theodor Boveri Institute Biocenter | Kaymak I.,Theodor Boveri Institute Biocenter | Schulze A.,Theodor Boveri Institute Biocenter | Schulze A.,Comprehensive Cancer Center Mainfranken
Metabolites | Year: 2017

Metabolic reprogramming in cancer cells is controlled by the activation of multiple oncogenic signalling pathways in order to promote macromolecule biosynthesis during rapid proliferation. Cancer cells also need to adapt their metabolism to survive and multiply under the metabolically compromised conditions provided by the tumour microenvironment. The tumour suppressor p53 interacts with the metabolic network at multiple nodes, mostly to reduce anabolic metabolism and promote preservation of cellular energy under conditions of nutrient restriction. Inactivation of this tumour suppressor by deletion or mutation is a frequent event in human cancer. While loss of p53 function lifts an important barrier to cancer development by deleting cell cycle and apoptosis checkpoints, it also removes a crucial regulatory mechanism and can render cancer cells highly sensitive to metabolic perturbation. In this review, we will summarise the major concepts of metabolic regulation by p53 and explore how this knowledge can be used to selectively target p53 deficient cancer cells in the context of the tumour microenvironment. © 2017 by the authors. Licensee MDPI, Basel, Switzerland.

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