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Contenido archivado el 2024-05-29

Functional analysis of URI, a novel component of the TOR signalling pathway involved in nutrient metabolism regulation

Objetivo

The mammalian phosphoinositide (PI) 3-kinase-related kinase mTOR (mammalian target of rapamycin) occupies a central role in a signalling pathway involved in the control of cell growth and proliferation. It integrates signals arising from nutritional cues as well as hormones/growth factors to regulate growth by altering translation and transcription programs.

Not surprisingly, alterations in this pathway has been directly linked to a number of disease states including cancer. The host laboratory has recently discovered a novel evolutionary conserved protein, termed URI, that operates downstream of TOR in both yeast and mammalian cells to contribute, directly or indirectly, to rapamycin-sensitive gene expression.

In this proposal, we aim at
- elucidating the function(s) of URI in cell growth and proliferation in mammalian cells,
- determining the significance of rapamycin-sensitive phosphorylation of URI in modulating its function in growth control and gene expression and
- identifying novel interaction partners of URI. The proposed studies will provide new leads towards a clearer understanding of URI function(s) in cell growth and proliferation and the mechanism underlying the control of cell growth and gene expression by mTOR.

Ámbito científico (EuroSciVoc)

Palabras clave

Tema(s)

Convocatoria de propuestas

FP6-2002-MOBILITY-5
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Régimen de financiación

EIF - Marie Curie actions-Intra-European Fellowships

Coordinador

EIDGENOSSISCHE TECHNISCHE HOCHSCHULE ZURICH
Aportación de la UE
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Coste total
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