Endothelial Gluconeogenesis a novel target for tumor anti angiogenesis?
Angiogenesis promotes tumor progression and metastasis; unfortunately current anti-angiogenic strategies targeting endothelial growth factors suffer from limited efficacy and toxicity. The host laboratory pioneered the novel conce...
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Información proyecto EC GNG metabolism
Duración del proyecto: 34 meses
Fecha Inicio: 2016-03-18
Fecha Fin: 2019-02-13
Líder del proyecto
VIB VZW
No se ha especificado una descripción o un objeto social para esta compañía.
TRL
4-5
Presupuesto del proyecto
173K€
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
Angiogenesis promotes tumor progression and metastasis; unfortunately current anti-angiogenic strategies targeting endothelial growth factors suffer from limited efficacy and toxicity. The host laboratory pioneered the novel concept that blood vessel forming endothelial cells (ECs) reprogram their metabolism to become glucose-addicted and rely on glycolysis to generate ATP required for angiogenesis. Furthermore, to increase biomass production and maintain redox homeostasis, ECs shunt glycolytic intermediates into glycolysis side-pathways. Further ECs diverge from pre-existing blood vessel into avascular tissue, the scarcer external glucose levels will become. Currently, how ECs maintain the generation of glycolytic intermediates under such conditions remains unknown. One possibility is the de-novo synthesis of these intermediates through gluconeogenesis (GNG).
To date, nothing is known about GNG metabolism in ECs, which underscores the novelty of my proposal. GNG is particularly interesting since preliminary findings indicate that ECs express all enzymes involved in GNG, and impairing this pathway decreases EC proliferation and sprouting. Therefore, through a multi-angled approach, I will unravel the role of GNG in ECs and uncover its contribution to blood vessel sprouting both in normal and pathological angiogenesis.
Ultimately this project will explore whether blocking GNG may inhibit pathological angiogenesis (e.g. cancer) and translate my findings into therapeutic strategies.