LAMB

Lipid-mediated activation of b-catenin in melanoma biology

Coordinatore	THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD    more  Organization address address: University Offices, Wellington Square city: OXFORD postcode: OX1 2JD contact info Titolo: Ms. Nome: Gill Cognome: Wells Email: send email Telefono: +44 1865 289800 Fax: +44 1865 289801
Nazionalità Coordinatore	United Kingdom [UK]
Totale costo	221˙606 €
EC contributo	221˙606 €
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-2013-IEF
Funding Scheme	MC-IEF
Anno di inizio	2014
Periodo (anno-mese-giorno)	2014-05-01   -   2016-04-30

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD  Organization address address: University Offices, Wellington Square city: OXFORD postcode: OX1 2JD contact info Titolo: Ms. Nome: Gill Cognome: Wells Email: send email Telefono: +44 1865 289800 Fax: +44 1865 289801	UK (OXFORD)	coordinator	221˙606.40

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 Obiettivo del progetto (Objective)

'Tumors contain multiple subpopulations of cells some of which may contribute to therapeutic resistance. Moreover phenotypic states in cancer (stem-like; invasive; proliferative; and differentiated) are dynamic and reversible, yet use many of the same signaling pathways implicated in activation and self-renewal of physiological stem cells. Of these, the Wnt/b-catenin signaling pathway plays a major role in stem cell activation and differentiation, and is frequently constitutively activated in cancers. My preliminary results indicate that surprisingly, oleic acid can substitute for Wnt in activation of b-catenin signaling. Adipocytes can play a key role in stem cell activation, can transfer lipids to cancer cells, and are frequently encountered during cancer cell invasion. I hypothesize that lipid uptake by cancer cells will alter metabolism and drive phenotype-switching via b-catenin signaling. This project therefore aims to investigate the biological and metabolic consequences of lipid uptake by cancer cells and will use melanoma as a model system since the key regulators of phenotype-switching in this cancer are known to be targeted by b-catenin signaling. Specifically, I will use standard cell biology techniques to identify the repertoire of lipids able to trigger nuclear localization of b-catenin and the biological consequences of lipid uptake (invasiveness; proliferation; differentiation etc); integrative genomics (ChIP-seq and RNA-seq) to identify direct b-catenin target genes and their relationship to those targeted by the master regulator of the melanocyte lineage, MITF, that is known to interact directly with b-catenin; and metabolomics to identify how lipid uptake and de-regulation of b-catenin signaling affect cellular metabolism. The results will provide a key insight into how lipid signalling can impact on cancer biology and potentially activate physiological stem cells, as well as provide high-level training in emerging technologies.'