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Article Dans Une Revue Bulletin du Cancer Année : 2020

[NTRK Fusions: A new way of treatment for gastro-intestinal tumor?]

Fusions NTRK : une nouvelle piste dans les cancers digestifs ?

Résumé

The advent of molecular biology resulted in the discovery of new oncogenes that have led to the development of targeted therapies for the management of cancer patients. The development of these therapies has improved the prognosis of patients in various tumour localizations. The TRK receptor (tropomyosin receptor kinase) is a transmembrane receptor with a tyrosine kinase activity that plays a role in both cell proliferation and the physiology of the nervous system. Fusions involving the NTRK gene, which codes for this receptor, have been found in different types of solid tumours and lead to its constitutional activation. These fusions, however uncommon, are mainly found in rare pediatric tumours but can also be encountered in digestive cancers with high prevalence (such as colorectal cancer, especially in case of microsatellite instability, with a frequency of 2.5 to 38.5 %) or in aggressive cancers (such as pancreatic cancer). Therapies targeting TRK, such as larotrectinib or entrectinib, have shown significant response rates, usually greater than 6 months, for tumours from various primary sites presenting NTRK fusions and refractory to standard therapies. These fusions can be detected by different methods: immunohistochemistry, FISH (fluorescence in situ hybridization) as well as NGS (next generation sequencing). The intent of this review is to report on current knowledge on NTRK fusions in oncology and to discuss the role of these fusions in digestive cancers and potential therapeutic implications.
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hal-02882231 , version 1 (20-05-2022)

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Paternité - Pas d'utilisation commerciale

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Kaïssa Ouali, Anna Pellat, Romain Cohen, Magali Svrcek, Frédérique Penault-Llorca, et al.. Fusions NTRK : une nouvelle piste dans les cancers digestifs ?. Bulletin du Cancer, 2020, 107 (4), pp.447-457. ⟨10.1016/j.bulcan.2019.11.014⟩. ⟨hal-02882231⟩
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