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Distinct Signaling of Coreceptors Regulates Specific Metabolism Pathways and Impacts Memory Development in CAR T Cells
Journal article   Open access   Peer reviewed

Distinct Signaling of Coreceptors Regulates Specific Metabolism Pathways and Impacts Memory Development in CAR T Cells

Omkar U Kawalekar, Roddy S O'Connor, Joseph A Fraietta, Lili Guo, Shannon E McGettigan, Avery D Posey, Jr, Prachi R Patel, Sonia Guedan, John Scholler, Brian Keith, …
Immunity (Cambridge, Mass.), v 44(2), pp 380-390
16 Feb 2016
PMID: 26885860
url
http://www.cell.com/article/S1074761316300085/pdfView
Published, Version of Record (VoR) Open
url
https://doi.org/10.1016/j.immuni.2016.01.021View
Published, Version of Record (VoR) Open

Abstract

Cancer Vaccines - immunology CD28 Antigens - genetics CD28 Antigens - metabolism CD8-Positive T-Lymphocytes - physiology Cell Respiration Cells, Cultured Glycolysis Humans Immunologic Memory Mitochondria - metabolism Neoplasms - immunology Neoplasms - therapy Receptor Cross-Talk Receptors, Antigen, T-Cell - genetics Receptors, Antigen, T-Cell - metabolism Recombinant Fusion Proteins - genetics Signal Transduction - genetics Tumor Necrosis Factor Receptor Superfamily, Member 9 - genetics Tumor Necrosis Factor Receptor Superfamily, Member 9 - metabolism ESI Highly Cited Paper (Incites) Immunotherapy Lipid Metabolism
Chimeric antigen receptors (CARs) redirect T cell cytotoxicity against cancer cells, providing a promising approach to cancer immunotherapy. Despite extensive clinical use, the attributes of CAR co-stimulatory domains that impact persistence and resistance to exhaustion of CAR-T cells remain largely undefined. Here, we report the influence of signaling domains of coreceptors CD28 and 4-1BB on the metabolic characteristics of human CAR T cells. Inclusion of 4-1BB in the CAR architecture promoted the outgrowth of CD8(+) central memory T cells that had significantly enhanced respiratory capacity, increased fatty acid oxidation and enhanced mitochondrial biogenesis. In contrast, CAR T cells with CD28 domains yielded effector memory cells with a genetic signature consistent with enhanced glycolysis. These results provide, at least in part, a mechanistic insight into the differential persistence of CAR-T cells expressing 4-1BB or CD28 signaling domains in clinical trials and inform the design of future CAR T cell therapies.

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Collaboration types
Domestic collaboration
Web of Science research areas
Immunology
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