Calcium sensing receptor (CaSR) a promising biomarker for cancer: Molecular MR imaging studies

Molecular Biomarkers & Diagnosis

ISSN: 2155-9929

Open Access

Calcium sensing receptor (CaSR) a promising biomarker for cancer: Molecular MR imaging studies

4th International Conference on Biomarkers & Clinical Research

July 15-17, 2013 Courtyard by Marriott Philadelphia Downtown, USA

Gabriella Baio, Marina Fabbi, Francesca Valdora, Daniele Pace1, Sandra Salvi, NicolÚ Villosio, Mauro Truini, Silvano Ferrini, Massimo Calabrese1 and Carlo E. Neumaier

Scientific Tracks Abstracts: J Mol Biomark Diagn

Abstract :

The calcium sensing receptor (CaSR) is a class C G-protein-coupled receptor that is crucial for the feedback regulation of extracellular free ionized calcium and it is activated physiologically by varieties of molecules including polyamines and l-amino acids. The activation of the CaSR by different ligands has the ability to activate many intracellular pathways within the cell and when CaSR expression and function are altered, the association with cancer progression is founded. Interestingly, the CaSR appears to act both as a tumour suppressor and as oncogene, depending on the pathophysiology involved. Human breast and prostate cancer cells, express at different level of CaSR and his activation might facilitate metastasis to bone in both of these tumours. Imaging technique such as magnetic resonance imaging (MRI) by using manganese ion (Mn2+) as a calcium?s analog could represent an interesting and promising tool in the understanding of CaSR expression. We developed an imaging molecular method by using manganese enhanced magnetic resonance imaging (MEMRI) to target respectively both human breast and prostate cancer animal models with different level expression of CaSR. Our findings may open new opportunity to better understand the mechanism driving CaSR signaling in different tissues in order to develop novel drugs that target the CaSR or its ligands in cancer

Biography :

Senior clinical scientist with a proven and demonstrated knowledge in molecular imaging in preclinical as well as clinical settings. Since 2008, Gabriella Baio works as Researcher and Radiologist at IRCCS Azienda Ospedaliera Universitaria San Martino-IST-National Cancer Institute, in Genoa. She focused her studies in the characterization of new biomarkers for the early detection of breast cancer and prostate cancer by Magnetic Resonance and Optical Imaging. She is invited speaker to national and international conferences and an active member of the European Society of Molecular Imaging (ESMI). She recently received the Best Poster Presentation Award ESMI-EMIM 2013

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