CSC PROGRAM

Intestinal stem cells and their role in colorectal cancer progression

 Coordinatore FUNDACIO INSTITUT DE RECERCA BIOMEDICA (IRB BARCELONA) 

 Organization address address: CARRER BALDIRI REIXAC 10-12 PARC SCIENTIFIC DE BARCELONA
city: BARCELONA
postcode: 8028

contact info
Titolo: Mr.
Nome: Alexandre
Cognome: Puerto
Email: send email
Telefono: 34934039810
Fax: 34934037114

 Nazionalità Coordinatore Spain [ES]
 Totale costo 154˙417 €
 EC contributo 154˙417 €
 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-2009-IEF
 Funding Scheme MC-IEF
 Anno di inizio 2010
 Periodo (anno-mese-giorno) 2010-06-01   -   2012-05-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    FUNDACIO INSTITUT DE RECERCA BIOMEDICA (IRB BARCELONA)

 Organization address address: CARRER BALDIRI REIXAC 10-12 PARC SCIENTIFIC DE BARCELONA
city: BARCELONA
postcode: 8028

contact info
Titolo: Mr.
Nome: Alexandre
Cognome: Puerto
Email: send email
Telefono: 34934039810
Fax: 34934037114

ES (BARCELONA) coordinator 154˙417.00

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

isc    intestinal    malignancy    metastasis    crc    cscs    crypt    wnt    progression    lgr    tumor    cancer    stem    activation    cells    iscs    sub    constitutive   

 Obiettivo del progetto (Objective)

'Constitutive activation of the Wnt pathway is the key step for initiation of colorectal cancer (CRC). Wnt signaling also plays an essential role in the maintenance of intestinal stem cells (ISCs). In addition, acquisition of a constitutive crypt stem/progenitor phenotype represents the first step towards malignancy. The identification of the Wnt target gene Lgr5 as a marker for ISCs and the finding that Lgr5 ISCs represent the origin of intestinal cancer suggest that specific features of ISC are required to initiate CRC. Given the critical role of ISCs in CRC onset, we intend to study their contribution to CRC progression, tumor recurrence, and metastasis. Characterization of Lgr5 CRC cells at different disease stages will clarify, which part of the “stemness” genetical program remains conserved during progression of malignancy. We will also address to which extent an Lgr5 CRC cell residing in a primary tumor or in metastasis resembles a crypt Lgr5 ISC. To achieve this, progression of intestinal cancer derived from ISCs or differentiated cells will be studied using a novel transgenic mouse model system: Starting from defined, targeted cells which have acquired Wnt activation combined with mutation in KRAS, tumor progression can be tracked by fluorescent proteins concomitantly induced with compound mutations. “State-of the art” flow-cytometry-based sorting techniques will be used to isolate different tumor sub-populations in order to characterize them in detail. Interestingly, only a rare sub-population of tumor cells in CRC patients, so-called “cancer stem cells” (CSCs), is able to re-establish tumor growth in immune-deficient animals. We seek to understand how these tumor-promoting cells are genetically and functionally related to Lgr5 ISC and Lgr5 cells in CRC. Our results will achieve significant advancement in understanding the relationship between CSCs and ISCs and hold potential for the future development of both therapeutic and diagnostic tools.'

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