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Le point sur hENT1, autres biomarqueurs

Focus on hENT1 and other biomarkers

  • Mise au Point / Update
  • Published:
Oncologie

Résumé

La mise en évidence de biomarqueurs prédictifs et/ou pronostiques a permis des avancées majeures ces dernières années en oncologie, permettant de définir de nouvelles cibles thérapeutiques ou de mieux utiliser certains traitements existants. De nombreux travaux de recherche translationnelle sont actuellement menés dans l’adénocarcinome du pancréas (ACP) et pourraient permettre à terme de mieux définir les options thérapeutiques chez un patient donné. Des biomarqueurs prédictifs de l’efficacité de la gemcitabine, des fluoropyrimidines, des sels de platine et de l’erlotinib ont été proposés ces dernières années et sont discutés dans cette revue. L’expression d’hENT1 évaluée avec l’anticorps souris est le biomarqueur le mieux validé avec une forte valeur prédictive de l’efficacité de la gemcitabine en adjuvant, mais cet anticorps n’est actuellement pas disponible. L’anticorps lapin n’a lui pas de valeur prédictive. Les autres biomarqueurs prédictifs les plus prometteurs sont l’expression de la thymidylate synthase (TS) et/ou de la DPD pour l’efficacité des fluoropyrimidines et l’expression d’ERCC1 et les mutations affectant le système de réparation de l’ADN (BRAC1/2, ATM et PALB2) pour l’efficacité des sels de platine.

Abstract

The highlighting of predictive and/or prognostic biomarkers has enabled major advances in recent years in oncology, to define new therapeutic targets and better use of some existing treatments. Many translational researches are being conducted in pancreatic adenocarcinoma and could ultimately help to better define treatment options for a given patient. Predictive biomarkers of the efficacy of gemcitabine, fluoropyrimidines, platinum salts, and erlotinib have been proposed in recent years and are discussed in this review. hENT1 expression evaluated with the mouse antibody is now the best validated biomarker with a strong predictive value for the efficacy of adjuvant gemcitabine, but this antibody is currently unavailable. The rabbit antibody has no predictive value. The other most promising predictive biomarkers are the expression of TS and/or the DPD for fluoropyrimidines efficacy and the expression of ERCC1 and mutations affecting DNA repair system (BRAC1/2, ATM, and PALB2) for platinum salts efficacy.

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Correspondence to J.-B. Bachet.

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Bachet, JB. Le point sur hENT1, autres biomarqueurs. Oncologie 17, 528–534 (2015). https://doi.org/10.1007/s10269-015-2568-2

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  • DOI: https://doi.org/10.1007/s10269-015-2568-2

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