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Cited by 678

The DOI matches its Crossref record; 40 of the 40 references it cites were found in a registry or an index.

Ionic immune suppression within the tumour microenvironment limits T cell effector function

Open access
Eil, Robert, Vodnala, Suman K., Clever, David, Klebanoff, Christopher A., Sukumar, Madhusudhanan, Pan, Jenny H., Palmer, Douglas C., Gros, Alena, Yamamoto, Tori N., Patel, Shashank J., Guittard, Geoffrey C., Yu, Zhiya, Carbonaro, Valentina, Okkenhaug, Klaus, Schrump, David S., Linehan, W. Marston, Roychoudhuri, Rahul, Restifo, Nicholas P.·2016·Nature

Abstract

Tumours progress despite being infiltrated by tumour-specific effector T cells. Tumours contain areas of cellular necrosis, which are associated with poor survival in a variety of cancers. Here, we show that necrosis releases intracellular potassium ions into the extracellular fluid of mouse and human tumours, causing profound suppression of T cell effector function. Elevation of the extracellular potassium concentration ([K+]e) impairs T cell receptor (TCR)-driven Akt–mTOR phosphorylation and effector programmes. Potassium-mediated suppression of Akt–mTOR signalling and T cell function is dependent upon the activity of the serine/threonine phosphatase PP2A. Although the suppressive effect mediated by elevated [K+]e is independent of changes in plasma membrane potential (Vm), it requires an increase in intracellular potassium ([K+]i). Accordingly, augmenting potassium efflux in tumour-specific T cells by overexpressing the potassium channel Kv1.3 lowers [K+]i and improves effector functions in vitro and in vivo and enhances tumour clearance and survival in melanoma-bearing mice. These results uncover an ionic checkpoint that blocks T cell function in tumours and identify potential new strategies for cancer immunotherapy.

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Metadata

Authors
Eil, R., Vodnala, S. K., Clever, D., Klebanoff, C. A., Sukumar, M., Pan, J. H., Palmer, D. C., Gros, A., Yamamoto, T. N., Patel, S. J., Guittard, G. C., Yu, Z., Carbonaro, V., Okkenhaug, K., Schrump, D. S., Linehan, W. M., Roychoudhuri, R., & Restifo, N. P.
Venue
Nature
Published
2016-09-14
Volume
537
Issue
7621
Pages
539-543
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2519107733
Cited by
678
References
40
FWCI
27.59
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Ionic immune suppression within the tumour microenvironment limits T cell effector function. https://app.cochat.ai/papers/10.1038/nature19364
The paper
Eil, R., Vodnala, S. K., Clever, D., Klebanoff, C. A., Sukumar, M., Pan, J. H., Palmer, D. C., Gros, A., Yamamoto, T. N., Patel, S. J., Guittard, G. C., Yu, Z., Carbonaro, V., Okkenhaug, K., Schrump, D. S., Linehan, W. M., Roychoudhuri, R., & Restifo, N. P. (2016). Ionic immune suppression within the tumour microenvironment limits T cell effector function. Nature. https://doi.org/10.1038/nature19364

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.