BIOPHIS

Biophysical mechanisms regulating early T cell signalling events

Coordinatore	KING'S COLLEGE LONDON    more  Organization address address: Strand city: LONDON postcode: WC2R 2LS contact info Titolo: Mr. Nome: Paul Cognome: Labbett Email: send email Telefono: +4420 7848 8184
Nazionalità Coordinatore	United Kingdom [UK]
Totale costo	100˙000 €
EC contributo	100˙000 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2012-CIG
Funding Scheme	MC-CIG
Anno di inizio	2013
Periodo (anno-mese-giorno)	2013-03-01   -   2017-02-28

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	KING'S COLLEGE LONDON  Organization address address: Strand city: LONDON postcode: WC2R 2LS contact info Titolo: Mr. Nome: Paul Cognome: Labbett Email: send email Telefono: +4420 7848 8184	UK (LONDON)	coordinator	100˙000.00

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 Obiettivo del progetto (Objective)

'The overall aim of this project is to identify key biophysical mechanisms that control the spatial arrangement of signalling proteins and membrane lipids in the regulation of T cell receptor (TCR) activation. During an immune response, T cells are activated in response to antigenic peptides in a process that requires the formation of multi-molecular signalling complexes. It is known that many T cell signalling proteins (such as the kinase Lck and the scaffold protein LAT) are not randomly distributed within the plasma membrane thus giving rise to lateral organizstion which affects signalling efficiency. However, the biophysical mechanism(s) that control protein distributions and hence the rate of molecular interactions remains poorly understood. Uniquely, I have recently developed two key technologies to unravel how protein clustering and the biophysical properties of the lipid bilayer regulate specific interactions at the molecular level. These are single-molecule, super-resolution localisation microscopy with novel statistical cluster analysis and quantification of membrane biophysical properties beyond the limit of conventional microscopy using new environmentally sensitive fluorescent probes and picosecond time-resolved excitation/detection. The research will therefore generate unique insights into the biophysical mechanisms that govern the formation of the protein clusters and complexes during early T cell signalling events. This knowledge is critical to our understanding of the molecular basis of T cell activation during the immune response and has potential applications in the development of therapeutic treatments for a range of conditions including pathogenic disease, cancer and autoimmune disease.'