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Deciphering the ubiquitin code of the TNF receptor signalling complex and its functional role in inflammation and immunity

Obiettivo

Tumour necrosis factor (TNF) is a cytokine with important functions in inflammation, immunity and cancer. Signalling processes mediated by ubiquitin are crucial for TNF signalling. The seven lysine (K) residues and the N-terminus of ubiquitin can be used to form ubiquitin chains. Employing a method newly developed in our laboratory we identified the presence of four of these ubiquitin chain linkage types in the native TNF receptor signalling complex (TNF-RSC). Our knowledge of the specific functions of the different ubiquitin linkages is currently very limited. However, their presence in the TNF-RSC, combined with our recent technological advance in dissecting the composition of this protein complex with previously unreached specificity and sensitivity provides a unique opportunity for the proposed research programme: to molecularly and functionally decipher the ubiquitin code. We will aim to achieve this by studying the different ubiquitin chain linkages at the molecular level within the TNF-RSC and by determining how perturbation of specific ubiquitin linkage events impacts the physiological role of TNF in immunity to infection and its pathological function in inflammation-induced cancer.
The specific objectives of this project are:
• to molecularly decipher the ubiquitin code of the TNF-RSC (objective 1),
• to link this code to physiological functions of TNF in immunity to infection (objective 2)
• and to test its pathological impact on cancer-related inflammation (objective 3).

Invito a presentare proposte

ERC-2011-ADG_20110310
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Meccanismo di finanziamento

ERC-AG - ERC Advanced Grant

Istituzione ospitante

UNIVERSITY COLLEGE LONDON
Contributo UE
€ 1 760 601,26
Indirizzo
GOWER STREET
WC1E 6BT LONDON

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Tipo di attività
Higher or Secondary Education Establishments
Ricercatore principale
Henning Walczak (Prof.)
Contatto amministrativo
Giles Machell (Mr.)
Collegamenti
Costo totale
Nessun dato

Beneficiari (2)