Journal
CANCER CELL
Volume 29, Issue 6, Pages 805-819Publisher
CELL PRESS
DOI: 10.1016/j.ccell.2016.04.013
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Funding
- INSERM, University of Nice Sophia-Antipolis
- INSERM Transfert (COPOC)
- ARC [SFI 20121205378]
- ARC
- Fondation de France
- Cancer Research UK [20752] Funding Source: researchfish
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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.
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