Compounds Triggering ER Stress Exert Anti-Melanoma Effects and Overcome BRAF Inhibitor Resistance

Michaël Cerezo, Abdelali Lehraiki, Antoine Millet, Florian Rouaud, Magali Plaisant, Emilie Jaune, Thomas Botton, Cyril Ronco, Patricia Abbe, Hella Amdouni, Thierry Passeron, Veronique Hofman, Baharia Mograbi, Anne Sophie Dabert-Gay, Delphine Debayle, Damien Alcor, Nabil Rabhi, Jean Sébastien Annicotte, Laurent Héliot, Mariano Gonzalez-PisfilCaroline Robert, Solange Moréra, Armelle Virougoux, Philippe Gual, Maruf M.U. Ali, Corine Bertolotto, Paul Hofman, Robert Ballotti, Rachid Benhida, Stéphane Rocchi

    Résultats de recherche: Contribution à un journalArticleRevue par des pairs

    174 Citations (Scopus)

    Résumé

    We have discovered and developed a series of molecules (thiazole benzenesulfonamides). HA15, the lead compound of this series, displayed anti-cancerous activity on all melanoma cells tested, including cells isolated from patients and cells that developed resistance to BRAF inhibitors. Our molecule displayed activity against other liquid and solid tumors. HA15 also exhibited strong efficacy in xenograft mouse models with melanoma cells either sensitive or resistant to BRAF inhibitors. Transcriptomic, proteomic, and biochemical studies identified the chaperone BiP/GRP78/HSPA5 as the specific target of HA15 and demonstrated that the interaction increases ER stress, leading to melanoma cell death by concomitant induction of autophagic and apoptotic mechanisms.

    langue originaleAnglais
    Pages (de - à)805-819
    Nombre de pages15
    journalCancer Cell
    Volume29
    Numéro de publication6
    Les DOIs
    étatPublié - 13 juin 2016

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