NUMIRDT

NUCLEOLAR-DEPENDENT SECRETION OF MICRORNA IN A MODEL OF DOXORUBICIN AND TRASTUZUMAB CARDIOMYOPATHY

 Coordinatore CENTRO CARDIOLOGICO MONZINO 

 Organization address address: Via Parea 4
city: MILANO
postcode: 20138

contact info
Titolo: Dr.
Nome: Mauro
Cognome: Melis
Email: send email
Telefono: 390258000000

 Nazionalità Coordinatore Italy [IT]
 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-2011-CIG
 Funding Scheme MC-CIG
 Anno di inizio 2011
 Periodo (anno-mese-giorno) 2011-09-01   -   2015-08-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    CENTRO CARDIOLOGICO MONZINO

 Organization address address: Via Parea 4
city: MILANO
postcode: 20138

contact info
Titolo: Dr.
Nome: Mauro
Cognome: Melis
Email: send email
Telefono: 390258000000

IT (MILANO) coordinator 100˙000.00

Mappa


 Word cloud

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

cardiac    nucleolus    doxtrz    upon    suggests    identification    myocardial    cells    circulating    stress    release    mirnas    mirna    mechanisms    trz    reuptake    mechanism    cardiotoxicity    dox   

 Obiettivo del progetto (Objective)

'Combination of Doxorubicin (Dox) and the monoclonal antibody trastuzumab (Trz) is being effectively used against breast cancer, but associated with high incidence of cardiotoxicity. The mechanisms of DoxTrz induced synergic cardiotoxicity are still unclear. Recently the activation of the microRNA 146a has been shown to have a role in the synergistic effect of Dox and Trz cardiotoxicity. MicroRNAs (miRNA) are ~22 nucleotides long non-coding RNAs regulating complex cellular processes. MiRNAs can be detected in the systemic circulation and their levels increase under various stress conditions. Growing body of evidence suggests that circulating miRNAs are actively released and may act as signaling molecules on close or even distant target cells. Mechanism of miRNA secretion is not completely characterized Recent literature suggests a intriguing idea that the nucleolus may play a critical role during miRNA release and reuptake . The short term goal of this proposal is to identify a diagnostic signature of circulating miRNA in response to DoxTrz treatment. The long term goal is to study the mechanisms of release and reuptake of miRNAs and demonstrate the role of the nucleolus in these processes. Specific tasks will focus on: 1) Analysis of circulating miRNAs from plasma of mice treated with Saline, Dox or DoxTrz. 2) Identification of secreted miRNAs in response to Dox, Trz , and DoxTrz in adult human cardiac stromal cells (hCStCs) and cardiac progenitor cells (hCPCs). 3) Study the mechanism/s of release and uptake of miRNAs upon stress. 4) Role of the nucleolar protein nucleophosmin (NPM) on miRNAs export and uptake upon stress. Significance is the delineation of new mechanisms controlling myocardial stress response and identification of molecular interventional targets that mitigate drug-mediated cardiotoxicity and improve myocardial survival.'

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