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Cytokines and metabolic factors regulate tumoricidal T-cell function during cancer immunotherapy.

ABSTRACT: Recent advances in cancer biology and genetics have fostered precision therapies targeting tumor-specific attributes. Immune-based therapies that elicit cytolytic T cells (CTL) specific for tumor antigens can provide therapeutic benefit to cancer patients, however, cure rates are typically low. This largely results from immunosuppressive mechanisms operating within the tumor microenvironment, many of which inflict metabolic stresses upon CTL. Conversely, immunotherapies can mitigate specific metabolic stressors. For instance, dual costimulation immunotherapy with CD134 (OX40) plus CD137 (4-1BB) agonists appears to mediate tumor control in part by engaging cytokine networks that enable infiltrating CTL to compete for limiting supplies of glucose. Future efforts combining modalities that endow CTL with complimentary metabolic advantages should improve therapeutic efficacies.

SUBMITTER: Adler AJ

PROVIDER: S-EPMC5619014 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Cytokines and metabolic factors regulate tumoricidal T-cell function during cancer immunotherapy.

Adler Adam J AJ Mittal Payal P Ryan Joseph M JM Zhou Beiyan B Wasser Jeffrey S JS Vella Anthony T AT

Immunotherapy 20170101 1

Recent advances in cancer biology and genetics have fostered precision therapies targeting tumor-specific attributes. Immune-based therapies that elicit cytolytic T cells (CTL) specific for tumor antigens can provide therapeutic benefit to cancer patients, however, cure rates are typically low. This largely results from immunosuppressive mechanisms operating within the tumor microenvironment, many of which inflict metabolic stresses upon CTL. Conversely, immunotherapies can mitigate specific met ...[more]

PMID: 28000531

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