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Isella colon

Matthew Alderdice, Susan D Richman, Simon Gollins, James P Stewart, Chris Hurt, Richard Adams, Amy Mb McCorry, Aideen C Roddy, Dale Vimalachandran, Claudio Isella, Enzo Medico, Tim Maughan, Darragh G McArt, Mark Lawler, Philip D Dunne
Colorectal cancer (CRC) biopsies underpin accurate diagnosis, but are also relevant for patient stratification in molecularly-guided clinical trials. The consensus molecular subtypes (CMSs) and colorectal cancer intrinsic subtypes (CRISs) transcriptional signatures have potential clinical utility for improving prognostic/predictive patient assignment. However, their ability to provide robust classification, particularly in pretreatment biopsies from multiple regions or at different time points, remains untested...
May 2018: Journal of Pathology
Paolo Luraghi, Viola Bigatto, Elia Cipriano, Gigliola Reato, Francesca Orzan, Francesco Sassi, Francesca De Bacco, Claudio Isella, Sara E Bellomo, Enzo Medico, Paolo M Comoglio, Andrea Bertotti, Livio Trusolino, Carla Boccaccio
Purpose: Patient-derived xenografts (" xenopatients ") of colorectal cancer metastases have been essential to identify genetic determinants of resistance to the anti-EGFR antibody cetuximab and to explore new therapeutic strategies. From xenopatients, a genetically annotated collection of stem-like cultures (" xenospheres ") was generated and characterized for response to targeted therapies. Experimental Design: Xenospheres underwent exome-sequencing analysis, gene expression profile, and in vitro targeted treatments to assess genetic, biological, and pharmacologic correspondence with xenopatients, and to investigate nongenetic biomarkers of therapeutic resistance...
February 15, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Claudio Isella, Alfredo Mellano, Francesco Galimi, Consalvo Petti, Lorenzo Capussotti, Michele De Simone, Andrea Bertotti, Enzo Medico, Andrea Muratore
OBJECTIVE: Upon colon cancer metastasis resection in liver, disease outcome is heterogeneous, ranging from indolent to very aggressive, with early recurrence. The aim of this study is to investigate the capability of metastasis associated in colon cancer 1 (MACC1) levels measured in liver metastasis specimens to predict further recurrence of the disease. METHODS: Gene expression and gene dosage of MACC1, hepatocyte growth factor (HGF), and hepatocyte growth factor receptor (MET) were assessed using quantitative realtime polymerase chain reaction on a cohort of 64 liver metastasis samples from patients with complete follow-up of 36 months and detailed clinical annotation...
June 2013: Annals of Surgery
Cristina Migliore, Valentina Martin, Vera P Leoni, Angelo Restivo, Luigi Atzori, Annalisa Petrelli, Claudio Isella, Luigi Zorcolo, Ivana Sarotto, Giuseppe Casula, Paolo M Comoglio, Amedeo Columbano, Silvia Giordano
PURPOSE: MET, the tyrosine kinase receptor for hepatocyte growth factor, is frequently overexpressed in colon cancers with high metastatic tendency. We aimed to evaluate the role of its negative regulators, miR-1 and miR-199a*, and its transcriptional activator, the metastasis-associated in colon cancer 1 (MACC1), in controlling MET expression in human colon cancer samples. EXPERIMENTAL DESIGN: The expression of MET, miR-1, miR-199a*, and MACC1 was evaluated by real-time PCR in 52 matched pairs of colorectal cancers and nontumoral surrounding tissues...
February 1, 2012: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Tobias Joyce, Daniela Cantarella, Claudio Isella, Enzo Medico, Alexander Pintzas
Sporadic colorectal cancer is a major cause of death worldwide. Development takes place in a sequential manner from benign adenomas leading to carcinomas. In 90% of tumours bearing a Ras mutation it is Ki-Ras that is mutated. We have developed a model cell system to study oncogenic Ras mutations in colorectal cancer cell lines. In this analysis two Caco-2 derived cell lines expressing Ha-RasV12 (Caco-H) and Ki-RasV12 (Caco-K), respectively, have been used in large-scale microarray profiling against a Caco-2 control...
2009: Clinical & Experimental Metastasis
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