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Cited by 466

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Treatment of advanced tumors with agonistic anti-GITR mAb and its effects on tumor-infiltrating Foxp3 + CD25 + CD4 + regulatory T cells

Open access
Ko, Kuibeom, Yamazaki, Sayuri, Nakamura, Kyoko, Nishioka, Tomohisa, Hirota, Keiji, Yamaguchi, Tomoyuki, Shimizu, Jun, Nomura, Takashi, Chiba, Tsutomu, Sakaguchi, Shimon·2005·The Journal of Experimental Medicine

Abstract

T cell stimulation via glucocorticoid-induced tumor necrosis factor receptor family–related protein (GITR) can evoke effective tumor immunity. A single administration of agonistic anti-GITR monoclonal antibody (mAb) to tumor-bearing mice intravenously or directly into tumors provoked potent tumor-specific immunity and eradicated established tumors without eliciting overt autoimmune disease. A large number of CD4+ and CD8+ T cells, including interferon (IFN)-γ–secreting cells, infiltrated regressing tumors. Tumor-specific IFN-γ–secreting CD4+ and CD8+ T cells also increased in the spleen. The treatment led to tumor rejection in IFN-γ–intact mice but not IFN-γ–deficient mice. Furthermore, coadministration of anti-GITR and anti–CTLA-4 mAbs had a synergistic effect, leading to eradication of more advanced tumors. In contrast, coadministration of anti-CD25 and anti-GITR mAbs was less effective than anti-GITR treatment alone, because anti-CD25 depleted both CD25+-activated effector T cells and CD25+CD4+ naturally occurring regulatory T (T reg) cells. Importantly, CD4+ T cells expressing the T reg–specific transcription factor Foxp3 predominantly infiltrated growing tumors in control mice, indicating that tumor-infiltrating natural Foxp3+CD25+CD4+ T reg cells may hamper the development of effective tumor immunity. Taken together, T cell stimulation through GITR attenuates T reg–mediated suppression or enhances tumor-killing by CD4+ and CD8+ effector T cells, including those secreting IFN-γ, or both. Agonistic anti-GITR mAb is therefore instrumental in treating advanced cancers.

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Research works printed but not linked: 2

  1. 1999, Cancer Res., 59, 3128
  2. 2003, Nat. Immunol., 4, 337

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Metadata

Authors
Ko, K., Yamazaki, S., Nakamura, K., Nishioka, T., Hirota, K., Yamaguchi, T., Shimizu, J., Nomura, T., Chiba, T., & Sakaguchi, S.
Venue
The Journal of Experimental Medicine
Published
2005-09-26
Volume
202
Issue
7
Pages
885-891
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W4239710358
Cited by
466
References
27
FWCI
16.11
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Treatment of advanced tumors with agonistic anti-GITR mAb and its effects on tumor-infiltrating Foxp3 + CD25 + CD4 + regulatory T cells. https://app.cochat.ai/papers/10.1084/jem.20050940
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Ko, K., Yamazaki, S., Nakamura, K., Nishioka, T., Hirota, K., Yamaguchi, T., Shimizu, J., Nomura, T., Chiba, T., & Sakaguchi, S. (2005). Treatment of advanced tumors with agonistic anti-GITR mAb and its effects on tumor-infiltrating Foxp3 + CD25 + CD4 + regulatory T cells. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.20050940

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