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Cited by 989

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Enhancement of vaccine-mediated antitumor immunity in cancer patients after depletion of regulatory T cells

Open access
Dannull, J.·2005·Journal of Clinical Investigation

Abstract

In this study, we investigated whether elimination of CD4+/CD25+ Tregs using the recombinant IL-2 diphtheria toxin conjugate DAB(389)IL-2 (also known as denileukin diftitox and ONTAK) is capable of enhancing the immunostimulatory efficacy of tumor RNA-transfected DC vaccines. We show that DAB(389)IL-2 is capable of selectively eliminating CD25-expressing Tregs from the PBMCs of cancer patients without inducing toxicity on other cellular subsets with intermediate or low expression of CD25. DAB(389)IL-2-mediated Treg depletion resulted in enhanced stimulation of proliferative and cytotoxic T cell responses in vitro but only when DAB(389)IL-2 was omitted during T cell priming. DAB(389)IL-2 significantly reduced the number of Tregs present in the peripheral blood of metastatic renal cell carcinoma (RCC) patients and abrogated Treg-mediated immunosuppressive activity in vivo. Moreover, DAB(389)IL-2-mediated elimination of Tregs followed by vaccination with RNA-transfected DCs significantly improved the stimulation of tumor-specific T cell responses in RCC patients when compared with vaccination alone. Our findings may have implications in the design of immune-based strategies that may incorporate the Treg depletion strategy to achieve potent antitumor immunity with therapeutic impact.

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Metadata

Authors
Dannull, J.
Venue
Journal of Clinical Investigation
Published
2005-12-01
Volume
115
Issue
12
Pages
3623-3633
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2138163780
Cited by
989
References
4
FWCI
35.95
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Enhancement of vaccine-mediated antitumor immunity in cancer patients after depletion of regulatory T cells. https://app.cochat.ai/papers/10.1172/jci25947
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Dannull, J. (2005). Enhancement of vaccine-mediated antitumor immunity in cancer patients after depletion of regulatory T cells. Journal of Clinical Investigation. https://doi.org/10.1172/jci25947

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

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