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Anti-pancreatic cancer activity of ONC212 involves the unfolded protein response (UPR) and is reduced by IGF1-R and GRP78/BIP. | LitMetric

Anti-pancreatic cancer activity of ONC212 involves the unfolded protein response (UPR) and is reduced by IGF1-R and GRP78/BIP.

Oncotarget

Department of Hematology/Oncology, Laboratory of Translational Oncology and Experimental Cancer Therapeutics, Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA, USA.

Published: October 2017

AI Article Synopsis

Article Abstract

Pancreatic cancer is chemo-resistant and metastasizes early with an overall five-year survival of ∼8.2%. First-in-class imipridone ONC201 is a small molecule in clinical trials with anti-cancer activity. ONC212, a fluorinated-ONC201 analogue, shows preclinical efficacy in melanoma and hepatocellular-cancer models. We investigated efficacy of ONC201 and ONC212 against pancreatic cancer cell lines (=16 including 9 PDX-cell lines). We demonstrate ONC212 efficacy in 4 models including ONC201-resistant tumors. ONC212 is active in pancreatic cancer as single agent or in combination with 5-fluorouracil, irinotecan, oxaliplatin or RTK inhibitor crizotinib. Based on upregulation of pro-survival IGF1-R in some tumors, we found an active combination of ONC212 with inhibitor AG1024, including . We show a rationale for targeting pancreatic cancer using ONC212 combined with targeting the unfolded-protein response and ER chaperones such as GRP78/BIP. Our results lay the foundation to test imipridones, anti-cancer agents, in pancreatic cancer, that is refractory to most drugs.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5669847PMC
http://dx.doi.org/10.18632/oncotarget.20819DOI Listing

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