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ProteaSys

Financiado

Cerrado

Protease Systems Biology in Tumorigenesis and Neurodegeneration

Proteolysis affects every protein through limited processing or degradation. Unlike other post−translational modifications, proteolysis is irreversible and occurs intra− and extracellularly. The large number of genetically encoded... ver más

31/01/2017

UKLFR

1M€

Presupuesto del proyecto: 1M€

Líder del proyecto

UNIVERSITAETSKLINIKUM FREIBURG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2017-01-31 No tenemos la información de la convocatoria

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Información adicional privada

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1 Participantes

UKLFR

0.00€ | Lider

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Líder del proyecto

UNIVERSITAETSKLINIKUM FREIBURG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 1M€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Proteolysis affects every protein through limited processing or degradation. Unlike other post−translational modifications, proteolysis is irreversible and occurs intra− and extracellularly. The large number of genetically encoded proteases in man (> 560) illustrates the importance of proteolysis. However, the in vivo substrate profiles of most proteases have remained elusive; presenting a major hurdle to understanding protease function in health and disease. System−wide identification of protease substrates is now enabled by novel proteomic strategies for the quantitative determination of neo N− and C−termini. In this project, proteolytic events and cleavage products are identified and validated in cellular model systems in order to understand how proteolysis contributes to tumor aggressiveness and neurodegeneration. In the area of tumor biology, the paracrine loop between cancer and stroma cells is dissected. Both cell types secrete cytokines and cytokine−modifying proteases; thereby potentiating tumor proliferation and invasiveness. Identification of key cleavage events and key proteases in tumor−stroma interaction unravels the role of proteolysis in cellular communication. In addition, the substrate profile of the stroma−specific, cell−surface protease Fibroblast activation protein is determined. In the area of neurodegeneration, this project identifies and validates substrates of the orphan, neuroprotective protease DJ−1. Mutants of DJ−1 are associated with early−onset Parkinsonism. In addition a novel dual−label approach for the monitoring protein−specific degradation rates on a proteome−wide scale is established. This unique strategy examines the relation between a–synuclein aggregation (a hallmark of Parkinson’s disease) and impaired proteome turnover. The combination of novel proteomic techniques with state−of−the−art cell biological approaches is uniquely suited to determine how proteases control cellular fate in tumorigenesis and neurodegeneration.

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