Abstract:
:Metabolic reprogramming is linked to cancer cell growth and proliferation, metastasis, and therapeutic resistance in a multitude of cancers. Targeting dysregulated metabolic pathways to overcome resistance, an urgent clinical need in all relapsed/refractory cancers, remains difficult. Through genomic analyses of clinical specimens, we show that metabolic reprogramming toward oxidative phosphorylation (OXPHOS) and glutaminolysis is associated with therapeutic resistance to the Bruton's tyrosine kinase inhibitor ibrutinib in mantle cell lymphoma (MCL), a B cell lymphoma subtype with poor clinical outcomes. Inhibition of OXPHOS with a clinically applicable small molecule, IACS-010759, which targets complex I of the mitochondrial electron transport chain, results in marked growth inhibition in vitro and in vivo in ibrutinib-resistant patient-derived cancer models. This work suggests that targeting metabolic pathways to subvert therapeutic resistance is a clinically viable approach to treat highly refractory malignancies.
journal_name
Sci Transl Medjournal_title
Science translational medicineauthors
Zhang L,Yao Y,Zhang S,Liu Y,Guo H,Ahmed M,Bell T,Zhang H,Han G,Lorence E,Badillo M,Zhou S,Sun Y,Di Francesco ME,Feng N,Haun R,Lan R,Mackintosh SG,Mao X,Song X,Zhang J,Pham LV,Lorenzi PL,Marszalek J,Hefferndoi
10.1126/scitranslmed.aau1167subject
Has Abstractpub_date
2019-05-08 00:00:00issue
491eissn
1946-6234issn
1946-6242pii
11/491/eaau1167journal_volume
11pub_type
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