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A Proteomic Approach Identifies Novel Proteins Involved in Invasion Mechanisms in Enteroendocrine Carcinomas

#204

Introduction: Enteroendocrine tumors dramatically lack reliable biomarkers to accurately select therapeutic strategy, due to a poor knowledge of molecular mechanisms leading to local invasion and dissemination.

Aim(s): To identify novel proteins involved in the acquisition of the invasive phenotype, defining the malignant behavior of the tumor.

Materials and methods: We used an original orthotopic xenograft model reproducing local invasion and metastatic dissemination. We compared the protein expression pattern at two stages of tumor development: non-invasive and invasive stage, through a proteomic analysis followed by validation in mouse tumors, as well as in human enteroendocrine carcinomas.

Conference: 8th Annual ENETSConcerence (2011)

Presenting Author:

Authors: Couderc C, Poncet G, Pourpe S, Couté Y, Lepinasse F,

Keywords: enteroendocrine carcinoma, invasion, biomarkers, proteomic,

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